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Huang A, Xu X, Tang L, Huang L, Li J, Zhang X, Liu J, Zhou Y, Zhang B, Wang L, Zhang Q, Zhou Z, Wang Y, Wang X, Liu Q, Liu S, Yin Z, Wang F. Acceptance and willingness to pay for DTaP-HBV-IPV-Hib hexavalent vaccine among parents: A cross-sectional survey in China. Hum Vaccin Immunother 2024; 20:2333098. [PMID: 38619056 PMCID: PMC11020590 DOI: 10.1080/21645515.2024.2333098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 03/16/2024] [Indexed: 04/16/2024] Open
Abstract
DTaP-HBV-IPV-Hib hexavalent vaccine has been used in high-income countries for many years to prevent diphtheria, tetanus, pertussis, hepatitis B, poliomyelitis, and invasive Haemophilus influenzae type b disease. Currently, no hexavalent vaccines have been approved for use in China. Evidence of parental acceptance and interest in hexavalent vaccines can help policy makers and manufacturers make decisions about entering the vaccine market and the immunization program in China. We measured parental acceptance and willingness-to-pay (WTP) for a hexavalent vaccine to provide such evidence. We conducted a cross-sectional survey of children's caregivers in 16 vaccination clinics in seven cities in China and obtained information on socio-demographics, knowledge of disease, confidence in vaccines, previous vaccination experience, and acceptance of and WTP for hexavalent vaccine. Multivariate logistic regression was used to determine factors influencing acceptance, and multivariate tobit regression was used to identify factors impacting WTP. Between April 28 and June 30, 2023, a total of 581 parents of children aged 0-6 years participated in the survey; 435 (74.87%, 95% CI:71.3%-78.4%) parents indicated acceptance of hexavalent vaccine. Residence location, parents' education level, experience paying for vaccination, and disease knowledge scores were key factors affecting parents' choices for vaccination. Mean (SD) and median (IQR) willingness to pay for full 4-dose course vaccination were 2266.66 (1177.1) CNY and 2400 (1600-2800) CNY. Children's age (p < .001), parents' education level (p = .024), and perceived price barriers (p < .001) were significantly associated with WTP. Parents have high acceptance and willingness to pay for hexavalent vaccine. The less money parents have to pay out of pocket, the more willing they can be to accept the vaccine. Therefore, acceptance may increase even further if the vaccine is covered by medical insurance, provided free of charge by the government, or if its price is reduced. Our results provide reference for optimizing and adjusting immunization strategies in China.
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Affiliation(s)
- Aodi Huang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xia Xu
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Lin Tang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Lifang Huang
- Department of National Immunization Programe, Fujian Provincial Center for Disease Control and Prevention, Fuzhou, China
| | - Jun Li
- Department of National Immunization Programe, Henan Provincial Center for Disease Control and Prevention, Zhengzhou, China
| | - Xue Zhang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jiajie Liu
- Department of National Immunization Programe, Sichuan Provincial Center for Disease Control and Prevention, Chengdu, China
| | - Yang Zhou
- Department of National Immunization Programe, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, China
| | - Bingling Zhang
- Department of National Immunization Programe, Gansu Provincial Center for Disease Control and Prevention, Lanzhou, China
| | - Lei Wang
- Department of National Immunization Programe, Hubei Provincial Center for Disease Control and Prevention, Wuhan, China
| | - Qian Zhang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zemei Zhou
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yu Wang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Xiaoqi Wang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qianqian Liu
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Siyu Liu
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zundong Yin
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Fuzhen Wang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, Chinese Center for Disease Control and Prevention, Beijing, China
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Chen S, Zhou Y, Liang G, Wu W, Huang Z, Shi L, Gao Y, Gu X, Wang D. Predictive effect of estimated glomerular filtrate rate by creatinine or cystatin C on mortality in patients with coronary artery disease. Ren Fail 2024; 46:2327494. [PMID: 38566467 PMCID: PMC10993740 DOI: 10.1080/0886022x.2024.2327494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 03/03/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Renal dysfunction leads to poor prognosis of patients with coronary artery disease (CAD). Current studies have reported the prognosis or mortality of various diseases using different estimated glomerular filtrate rate (eGFR) formulas, while the performance of these equations is unclear in CAD patients. We aim to evaluate the predict effect of creatinine-based eGFR (eGFRcr), cystatin C-based eGFR (eGFRcys), and both creatinine and cystatin C-based eGFR (eGFRcr-cys) in CAD patients. METHODS A total of 23,178 patients with CAD were included from CIN-II cohort study. The association of eGFRcr, eGFRcys and eGFRcr-cys with cardiovascular and all-cause mortality was detected by Cox regression analysis. The predictive effect of eGFRcr, eGFRcys and eGFRcr-cys on mortality was assessed. RESULTS During a median follow up of 4.3 years, totally 2051 patients (8.8%) experience all-cause mortality, of which 1427 patients (6.2%) died of cardiovascular disease. For the detection of cardiovascular mortality among CAD patients, eGFRcr-cys had high discriminatory capacity with area under the curve (AUC) in receiver operator characteristic analysis of 0.730, which was significantly better than eGFRcr (AUC = 0.707, p < 0.001) and eGFRcys (AUC = 0.719, p < 0.001). Similar results were observed in all-cause mortality. Restricted cubic spline showed a U-shaped association between eGFRcr and all outcomes in patients with both reduced and supranormal eGFR levels, while a L-shaped association in eGFRcys and eGFRcr-cys. CONCLUSIONS Estimated GFR based on both creatinine and cystatin C has highest predictive effect for cardiovascular and all-cause mortality among CAD patients. Meanwhile, supranormal eGFRcr may indicate a higher risk of mortality.
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Affiliation(s)
- Shiqun Chen
- Global Health Research Center, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Science, Guangzhou, China
- Key Laboratory of Emergency and Trauma of Ministry of Education, Hainan Medical University, Haikou, China
| | - Yang Zhou
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Southern Medical University, China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Guoxiao Liang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Southern Medical University, China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Guangdong Medical University, Dongguan, China
| | - Wanying Wu
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Southern Medical University, China
- Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | | | - Lile Shi
- Zhuhai People’s Hospital, Zhuhai hospital affiliated with Jinan University, Zhuhai, China
| | - Yuwei Gao
- Zhuhai People’s Hospital, Zhuhai hospital affiliated with Jinan University, Zhuhai, China
- Zhuhai People’s hospital, Jinan university, Zhuhai, China
| | - Xia Gu
- Department of Cardiology, the Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
- The Key Laboratory of Myocardial Ischemia, Chinese Ministry of Education, Harbin, Heilongjiang, China
- Cardiovascular Imaging Center, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Dongmei Wang
- Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangdong Cadres Health Management Center, Guangzhou, China
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Chen L, Cheng Y, Zhang G, Zhou Y, Zhang Z, Chen Q, Feng Y. WGBS of embryonic gonads revealed that long non-coding RNAs in the MHM region might be involved in cell autonomous sex identity and female gonadal development in chickens. Epigenetics 2024; 19:2283657. [PMID: 38037805 PMCID: PMC10761181 DOI: 10.1080/15592294.2023.2283657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 10/01/2023] [Indexed: 12/02/2023] Open
Abstract
DNA methylation plays a key role in sex determination and differentiation in vertebrates. However, there are few studies on DNA methylation involved in chicken gonad development, and most focused on male hypermethylated regions (MHM). It is unclear whether there are specific differentially methylated regions (DMRs) in chicken embryonic gonads regulating sex determination and differentiation. Here, the DNA methylation maps showed that the difference of DNA methylation level between sexes was much higher at embryonic day 10 (E10) than that at embryonic day 6 (E6), and the significant differentially methylated regions at both stages were mainly distributed on the Z chromosome, including MHM1 and MHM2. The results of bisulphite sequencing PCR (BSP) and qRT-PCR showed hypomethylation of female MHM and upregulation of long non-coding RNAs (lncRNAs) whose promoter in the MHM region was consistent with the sequencing results, and similar results were in brain and muscle. In female sex-reversed gonads, the methylation pattern of MHM remained unchanged, and the expression levels of the three candidate lncRNAs were significantly decreased compared with those in females, but were significantly increased compared to males. The fluorescence in situ hybridization (FISH) results also showed that these lncRNAs were highly expressed in female embryonic gonads. The results of methyltransferase inhibitor and dual-luciferase reporter assay suggest that lncRNA expression may be regulated by DNA methylation within their promoters. Therefore, we speculated that MHM may be involved in cell-autonomous sex identity in chickens, and that lncRNAs regulated by MHM may be involved in female sexual differentiation.
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Affiliation(s)
- Ligen Chen
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yu Cheng
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Guixin Zhang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yang Zhou
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Zhen Zhang
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Qianhong Chen
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Yanping Feng
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology and College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
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Xu L, Li D, Song Z, Liu J, Zhou Y, Yang J, Wen P. The association between monocyte to high-density lipoprotein cholesterol ratio and chronic kidney disease in a Chinese adult population: a cross-sectional study. Ren Fail 2024; 46:2331614. [PMID: 38522954 PMCID: PMC10962299 DOI: 10.1080/0886022x.2024.2331614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 03/12/2024] [Indexed: 03/26/2024] Open
Abstract
BACKGROUND Monocyte to high-density lipoprotein cholesterol ratio (MHR) was confirmed as a novel inflammatory marker and strongly associated with the risk of several diseases. This study aimed to investigate the relationship between MHR and chronic kidney disease (CKD) in a Chinese adult population. METHODS In this cross-sectional study, 232,775 community-dwelling adults in Binhai who completed health checkups in 2021 were enrolled. Participants were categorized based on the MHR quartiles. Clinical characteristics of participants across different groups were compared using one-way ANOVA, Kruskal-Wallis h-test, and Chi-squared test as appropriate. Univariate and multivariable logistic regression analyses were taken to assess the relationship between MHR and the presence of CKD, as well as its association with low estimated glomerular filtration rate (eGFR) and proteinuria. Subgroup analyses were further executed to confirm the reliability of this relationship. RESULTS A total of 21,014 (9.0%) individuals were diagnosed with CKD. Characteristic indicators including waist circumference, body mass index (BMI), blood pressure (BP), serum uric acid (SUA), triglyceride, and fasting blood glucose (FBG) showed a gradual increase with higher MHR quartiles, whereas parameters such as age, total cholesterol, high-density lipoprotein cholesterol (HDL-C), and eGFR decreased (p < .001). In the multivariable logistic regression analysis, we observed independent associations between MHR (per 1 SD increase) and CKD, as well as low eGFR and proteinuria, with odds ratio (ORs) and 95% confidence intervals (95%CIs) of 1.206 (1.186-1.225), 1.289 (1.260-1.319), and 1.150 (1.129-1.171), respectively (p < .001). Similar conclusions were confirmed in subgroup analysis stratified by gender, age, BMI, central obesity, hypertension, and diabetes mellitus, after justification for confounding factors. CONCLUSION Elevated MHR level was independently associated with the presence of CKD, suggesting that it might serve as a useful clinical tool for risk stratification, offering valuable insights to inform preventive and therapeutic approaches for clinicians in their routine medical practice.
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Affiliation(s)
- Lingling Xu
- Center for Kidney Disease, Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Dongling Li
- Department of Nephrology, People’s Hospital of Binhai County, Yancheng, Jiangsu, China
| | - Zongwei Song
- Center for Kidney Disease, Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jin Liu
- Center for Kidney Disease, Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yang Zhou
- Center for Kidney Disease, Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Junwei Yang
- Center for Kidney Disease, Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Wen
- Center for Kidney Disease, Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
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Zhou Y, Wang T, He H, Li Q, Wan Z, Lu P, Shu C. Comparative effectiveness of endovascular treatment modalities for de novo femoropopliteal lesions at long-term follow-up: A network meta-analysis of randomized controlled trials. Int J Cardiol 2024; 404:131977. [PMID: 38508322 DOI: 10.1016/j.ijcard.2024.131977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 03/08/2024] [Accepted: 03/15/2024] [Indexed: 03/22/2024]
Abstract
PURPOSE To evaluate the best endovascular treatment for de novo femoropopliteal lesions at long-term follow-up through network meta-analysis of randomized controlled trials. METHODS Medical databases were searched on September 17, 2023. 17 trials and 7 treatments were selected. Outcomes were primary patency, target lesion revascularization (TLR), major amputation and all-cause mortality at 3 and/or 5 years. RESULTS Regarding 3-year primary patency, drug-eluting stents (DES) was the best and better than balloon angioplasty (BA; odds ratio [OR], 4.96; 95% confidence interval [CI], 2.68-9.18), bare metal stents (BMS; OR, 2.81; 95% CI, 1.45-5.46), cryoplasty (OR, 6.75; 95% CI, 2.76-16.50), covered stents (CS; OR, 3.25; 95% CI, 1.19-8.87) and drug-coated balloons (DCB; OR, 2.04; 95% CI, 1.14-3.63). Regarding 5-year primary patency, DES was the best and better than BMS (OR, 2.34; 95% CI, 1.10-4.99). Regarding 3-year TLR, DES was the best and better than BA (OR, 0.24; 95% CI, 0.13-0.44). Regarding 5-year TLR, DES was the best and better than BA (OR, 0.20; 95% CI, 0.09-0.42) and balloon angioplasty with brachytherapy (OR, 0.21; 95% CI, 0.06-0.74). Regarding 3- and 5-year major amputation, DCB was the best. Regarding 3-year mortality, DES was the best and better than CS (OR, 0.09; 95% CI, 0.01-0.67). CONCLUSIONS DES was the best treatment regarding 3-year primary patency, TLR and mortality, and DCB was the best regarding major amputation. DES was the best treatment regarding 5-year TLR, and DCB was the best regarding primary patency and major amputation. DES and DCB should be given priority in treating femoropopliteal lesions.
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Affiliation(s)
- Yang Zhou
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China
| | - Tun Wang
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China
| | - Hao He
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China
| | - Quanming Li
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China
| | - Zicheng Wan
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China
| | - Peng Lu
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China
| | - Chang Shu
- Department of Vascular Surgery, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Vascular Disease Institute of Central South University, Changsha, Hunan, China; Department of Vascular Surgery, Fuwai Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
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Zhou Y, Lin J, Li C, Zheng Y, Meng Z, Teng Y, Tao M. A fNIRS investigation of menopausal-related symptoms and brain cortical activity in menopause. J Affect Disord 2024; 353:101-108. [PMID: 37979627 DOI: 10.1016/j.jad.2023.11.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/20/2023]
Abstract
BACKGROUND This study aimed to delineate the association between menopausal-related symptoms and brain cortical hemodynamics in peri-postmenopause women. METHODS Cross-sectional data from a total of 358 Han-Chinese women who visited the Menopause Clinic in the Shanghai Sixth People's Hospital from August 2019 to August 2022. Menopausal-related symptoms were analyzed through Kupperman index (KMI) scale and PSQI scale, while cerebral blood flow was measured using a functional near-infrared spectroscopy (fNIRS). Multiple linear regression model was used to assess the risk factors for subregions of brain hemodynamic response. RESULTS After adjusting for confounding factors, we identified that menopausal symptom (B = -1.575, 95 % CI (-2.661, -0.488), p = 0.005) and duration of menopause (B = -14.583, 95 % CI (-26.753, -4.192), p = 0.007) were independently associated with the lower brain hemodynamic response in the prefrontal lobe, while in the temporal lobe, overweight (BMI ≥ 24 kg/m2) was negatively associated with the lower brain cortical activity (B = -36.882, 95 % CI (-72.708, -1.056), p = 0.044) after adjusting for other confounding variables. CONCLUSIONS Our findings proposed that menopausal symptom and overweight should be attached great importance to the postmenopausal women, which provides clinical evidence for the feasible early detection and effective prevention such as menopausal hormone therapy (MHT) of brain health in postmenopausal women.
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Affiliation(s)
- Yang Zhou
- Department of Gynecology and Obstetrics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Jiawen Lin
- Department of Gynecology and Obstetrics, Shanghai First Maternity and Infant Hospital, Tongji University, Shanghai 200126, People's Republic of China
| | - Changbin Li
- Department of Gynecology and Obstetrics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Yuanyi Zheng
- Department of Ultrasonography, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Zheying Meng
- Department of Ultrasonography, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China
| | - Yincheng Teng
- Department of Gynecology and Obstetrics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China.
| | - Minfang Tao
- Department of Gynecology and Obstetrics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, People's Republic of China.
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Zhou Y, Zhang Z, Bao F, Du Y, Dong H, Wan C, Huang Y, Zhang H. Considering microplastic characteristics in ecological risk assessment: A case study for China. J Hazard Mater 2024; 470:134111. [PMID: 38581870 DOI: 10.1016/j.jhazmat.2024.134111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 04/08/2024]
Abstract
Microplastics (MPs) pose a significant global concern, requiring a multifaceted approach to their risk assessment procedures, especially concerning their characteristics in the environment. The Horqin Left Middle Banner in Northeast China was chosen for the research region to investigate the abundance, composition, distribution, and ecological impact of MPs in surface agricultural soils. The concentrations of MPs ranged from 300 to 12800 items/kg, with a median concentration of 1550 items/kg (average = 1994 items/kg). The normal-sized MPs (500-5000 µm) had a higher relative abundance than small MPs (<500 µm). MPs were mainly derived from textiles and packaging and were affected by atmospheric transportation. Rayon and PET fibers were the main polymers identified. Furthermore, the potential environmental risks posed by the fundamental characteristics (abundance, chemical composition, and size) of MPs were quantified using multiple risk assessment models. The conditional fragmentation model indicated a propensity for MPs to degrade into smaller particles. Ecological risk assessments using pollution load index, pollution hazard index, and potential ecological risk index models revealed varying levels of risk. This study conducted a comprehensive assessment of the ecological risks of MPs based on their environmental characteristics, emphasizing the importance of considering multiple factors in the risk assessment process. ENVIRONMENT IMPLICATION: This study investigates the occurrence, distribution, and ecological risk of microplastics (MPs) in agricultural soils of the Northeast Plain of China, a major food production area. MPs are persistent organic pollutants that can pose threats to soil health, crop quality, and food security. By analyzing the composition, size, and source of MPs, as well as their fragmentation and stability in soil, this study provides valuable data for assessing the environmental risk of MPs in agricultural regions. The study also suggests strategies for mitigating MPs pollution and protecting soil ecosystems.
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Affiliation(s)
- Yang Zhou
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China
| | - Zhengyu Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China
| | - Feifei Bao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China
| | - Yuhan Du
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China
| | - Huiying Dong
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China
| | - Chengrui Wan
- College of Land Science and Technology, China Agricultural University, Beijing 100193, PR China
| | - Yuanfang Huang
- College of Land Science and Technology, China Agricultural University, Beijing 100193, PR China.
| | - Hongyan Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.
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Wang L, Tian H, Wang H, Mao X, Luo J, He Q, Wen P, Cao H, Fang L, Zhou Y, Yang J, Jiang L. Disrupting circadian control of autophagy induces podocyte injury and proteinuria. Kidney Int 2024; 105:1020-1034. [PMID: 38387504 DOI: 10.1016/j.kint.2024.01.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 12/21/2023] [Accepted: 01/12/2024] [Indexed: 02/24/2024]
Abstract
The circadian clock influences a wide range of biological process and controls numerous aspects of physiology to adapt to the daily environmental changes caused by Earth's rotation. The kidney clock plays an important role in maintaining tubular function, but its effect on podocytes remains unclear. Here, we found that podocytes expressed CLOCK proteins, and that 2666 glomerular gene transcripts (13.4%), including autophagy related genes, had 24-hour circadian rhythms. Deletion of Clock in podocytes resulted in 1666 gene transcripts with the loss of circadian rhythm including autophagy genes. Podocyte-specific Clock knockout mice at age three and eight months showed deficient autophagy, loss of podocytes and increased albuminuria. Chromatin immunoprecipitation (ChIP) sequence analysis indicated autophagy related genes were targets of CLOCK in podocytes. ChIP-PCR further confirmed Clock binding to the promoter regions of Becn1 and Atg12, two autophagy related genes. Furthermore, the association of CLOCK regulated autophagy with chronic sleep fragmentation and diabetic kidney disease was analyzed. Chronic sleep fragmentation resulted in the loss of glomerular Clock rhythm, inhibition of podocyte autophagy, and proteinuria. Rhythmic oscillations of Clock also disappeared in high glucose treated podocytes and in glomeruli from diabetic mice. Finally, circadian differences in podocyte autophagy were also abolished in diabetic mice. Deletion Clock in podocytes aggravated podocyte injury and proteinuria in diabetic mice. Thus, our findings demonstrate that clock-dependent regulation of autophagy may be essential for podocyte survival. Hence. loss of circadian controlled autophagy may play an important role in podocyte injury and proteinuria.
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Affiliation(s)
- Lulu Wang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Han Tian
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Haiyan Wang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiaoming Mao
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China; Department of Nephrology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jing Luo
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qingyun He
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Ping Wen
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Hongdi Cao
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Li Fang
- Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
| | - Yang Zhou
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Junwei Yang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
| | - Lei Jiang
- Department of Nephrology, The Second Affiliated Hospital, Nanjing Medical University, Nanjing, Jiangsu, China.
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Cui Y, Zhou Y, Gao Y, Ma X, Wang Y, Zhang X, Zhou T, Chen S, Lu L, Zhang Y, Chang X, Tong A, Li Y. Novel alternative tools for metastatic pheochromocytomas/paragangliomas prediction. J Endocrinol Invest 2024; 47:1191-1203. [PMID: 38206552 DOI: 10.1007/s40618-023-02239-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 11/02/2023] [Indexed: 01/12/2024]
Abstract
OBJECTIVE The existing prediction models for metastasis in pheochromocytomas/paragangliomas (PPGLs) showed high heterogeneity in different centers. Therefore, this study aimed to establish new prediction models integrating multiple variables based on different algorithms. DESIGN AND METHODS Data of patients with PPGLs undergoing surgical resection at the Peking Union Medical College Hospital from 2007 to 2022 were collected retrospectively. Patients were randomly divided into the training and testing sets in a ratio of 7:3. Subsequently, decision trees, random forest, and logistic models were constructed for metastasis prediction with the training set and Cox models for metastasis-free survival (MFS) prediction with the total population. Additionally, Ki-67 index and tumor size were transformed into categorical variables for adjusting models. The testing set was used to assess the discrimination and calibration of models and the optimal models were visualized as nomograms. Clinical characteristics and MFS were compared between patients with and without risk factors. RESULTS A total of 198 patients with 59 cases of metastasis were included and classified into the training set (n = 138) and testing set (n = 60). Among all models, the logistic regression model showed the best discrimination for metastasis prediction with an AUC of 0.891 (95% CI, 0.793-0.990), integrating SDHB germline mutations [OR: 96.72 (95% CI, 16.61-940.79)], S-100 (-) [OR: 11.22 (95% CI, 3.04-58.51)], ATRX (-) [OR: 8.42 (95% CI, 2.73-29.24)] and Ki-67 ≥ 3% [OR: 7.98 (95% CI, 2.27-32.24)] evaluated through immunohistochemistry (IHC), and tumor size ≥ 5 cm [OR: 4.59 (95% CI, 1.34-19.13)]. The multivariate Cox model including the above risk factors also showed a high C-index of 0.860 (95% CI, 0.810-0.911) in predicting MFS after surgery. Furthermore, patients with the above risk factors showed a significantly poorer MFS (P ≤ 0.001). CONCLUSIONS Models established in this study provided alternative and reliable tools for clinicians to predict PPGLs patients' metastasis and MFS. More importantly, this study revealed for the first time that IHC of ATRX could act as an independent predictor of metastasis in PPGLs.
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Affiliation(s)
- Y Cui
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - Y Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - Y Gao
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - X Ma
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - Y Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - X Zhang
- Department of Urology Surgery, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - T Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - S Chen
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - L Lu
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - Y Zhang
- Medical Research Center, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
| | - X Chang
- Department of Pathology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China.
| | - A Tong
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China.
| | - Y Li
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, People's Republic of China
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Chen X, Zhang W, Han X, Li X, Xia L, Wu Y, Zhou Y. TMED3 stabilizes SMAD2 by counteracting NEDD4-mediated ubiquitination to promote ovarian cancer. Mol Carcinog 2024; 63:803-816. [PMID: 38411267 DOI: 10.1002/mc.23689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 12/04/2023] [Accepted: 01/11/2024] [Indexed: 02/28/2024]
Abstract
Ovarian cancer is a major cause of death among cancer patients. Recent research has shown that the transmembrane emp24 domain (TMED) protein family plays a role in the progression of various types of cancer. In this study, we investigated the expression of TMED3 in ovarian cancer tumors compared to nontumor tissues using immunohistochemical staining. We found that TMED3 was overexpressed in ovarian cancer tumors, and its high expression was associated with poor disease-free and overall survival. To understand the functional implications of TMED3 overexpression in ovarian cancer, we conducted experiments to knockdown TMED3 using short hairpin RNA (shRNA). We observed that TMED3 knockdown resulted in reduced cell viability and migration, as well as increased cell apoptosis. Additionally, in subcutaneous xenograft models in BALB-c nude mice, TMED3 knockdown inhibited tumor growth. Further investigation revealed that SMAD family member 2 (SMAD2) was a downstream target of TMED3, driving ovarian cancer progression. TMED3 stabilized SMAD2 by inhibiting the E3 ligase NEDD4-mediated ubiquitination of SMAD2. To confirm the importance of SMAD2 in TMED3-mediated ovarian cancer, we performed functional rescue experiments and found that SMAD2 played a critical role in this process. Moreover, we discovered that the PI3K-AKT pathway was involved in the promoting effects of TMED3 overexpression on ovarian cancer cells. Overall, our study identifies TMED3 as a prognostic indicator and tumor promoter in ovarian cancer. Its function is likely mediated through the regulation of the SMAD2 and PI3K-AKT signaling pathway. These findings contribute to our understanding of the molecular mechanisms underlying ovarian cancer progression and provide potential targets for therapeutic intervention.
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Affiliation(s)
- Xiaojun Chen
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Wei Zhang
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiaotian Han
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Xiaoqi Li
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Lingfang Xia
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yong Wu
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Yang Zhou
- Department of Obstetrics and Gynaecology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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Tao Y, Tan Y, Zhou Y, Wang Y, Shi L, Liu XP. Double atrial potentials in the coronary sinus: What is the mechanism? J Cardiovasc Electrophysiol 2024; 35:1038-1040. [PMID: 38501297 DOI: 10.1111/jce.16247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 03/20/2024]
Affiliation(s)
- Yirao Tao
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yahang Tan
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yang Zhou
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Yanjiang Wang
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Liang Shi
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
| | - Xing-Peng Liu
- Department of Cardiology, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
- Heart Center and Beijing Key Laboratory of Hypertension, Beijing Chaoyang Hospital, Capital Medical University, Beijing, China
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Zhang H, Jiang M, Su P, Lv Q, Zeng G, An L, Cao J, Zhou Y, Snyder SA, Ma J, Yang T. Refinement of kinetic model and understanding the role of dichloride radical (Cl 2•-) in radical transformation in the UV/NH 2Cl process. Water Res 2024; 254:121440. [PMID: 38479170 DOI: 10.1016/j.watres.2024.121440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 02/21/2024] [Accepted: 03/07/2024] [Indexed: 04/06/2024]
Abstract
The ultraviolet/monochloramine (UV/NH2Cl) process is an emerging advanced oxidation process with promising prospects in water treatment. Previous studies developed kinetic models of UV/NH2Cl for simulating radical concentrations and pollutant degradation. However, the reaction rate constants of Cl2•- with bicarbonate and carbonate (kCl2•-, HCO3- and kCl2•-, CO32-) were overestimated in literature. Consequently, when dosing 1 mM chloride and 1 mM bicarbonate, the current models of UV/NH2Cl severely under-predicted the experimental concentrations of three important radicals (i.e., hydroxyl radical (HO•), chlorine radical (Cl•), and dichloride radical (Cl2•-)) with great deviations (> 90 %). To investigate this issue, the transformation reactions among these three radicals in UV/NH2Cl were systematically studied. For the first time, it was found that in addition to Cl•, Cl2•- was also an important parent radical of HO• in the presence of chloride, and chloride could effectively compensate the inhibitory effect of bicarbonate on HO• generation in the system. Moreover, reactions and rate constants in current models were scrutinized from corresponding literature, and the reaction rate constants of Cl2•- with bicarbonate and carbonate (kCl2•-, HCO3- and kCl2•-, CO32-) were reevaluated to be 1.47 × 105 and 3.78 × 106 M-1s-1, respectively, by laser flash photolysis. With the newly obtained rate constants, the refined model could accurately simulate concentrations of all three radicals under different chloride and bicarbonate dosages with satisfactory deviations (< 30 %). Meanwhile, the refined model performed much better in predicting pollutant degradation and radical contribution compared with the unrefined model (with the previously estimated kCl2•-, HCO3- and kCl2•-, CO32-). The results of this study enhanced the accuracy and applicability of the kinetic model of UV/NH2Cl, and deepened the understanding of radical transformation in the process.
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Affiliation(s)
- Haochen Zhang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; Nanyang Environment & Water Research Institute (NEWRI), Nanyang Technological University, 637141, Singapore
| | - Maoju Jiang
- Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, Guangdong Province 529020, China
| | - Peng Su
- Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, Guangdong Province 529020, China
| | - Qixiao Lv
- Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, Guangdong Province 529020, China
| | - Ge Zeng
- Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, Guangdong Province 529020, China
| | - Linqian An
- Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, Guangdong Province 529020, China
| | - Jiachun Cao
- Advanced Interdisciplinary Institute of Environment and Ecology, Beijing Normal University, Zhuhai 519087, China
| | - Yang Zhou
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou 510006, China
| | - Shane Allen Snyder
- Nanyang Environment & Water Research Institute (NEWRI), Nanyang Technological University, 637141, Singapore
| | - Jun Ma
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Tao Yang
- Jiangmen Key Laboratory of Synthetic Chemistry and Cleaner Production, School of Environmental and Chemical Engineering, Wuyi University, Jiangmen, Guangdong Province 529020, China; Institute of Carbon Peaking and Carbon Neutralization, Wuyi University, Jiangmen, Guangdong Province 529020, China.
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13
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Zhou SC, Zhou Z, Tang Q, Yu P, Zou H, Liu Q, Wang XQ, Jiang J, Zhou Y, Liu L, Yang BX, Luo D. Prediction of non-suicidal self-injury in adolescents at the family level using regression methods and machine learning. J Affect Disord 2024; 352:67-75. [PMID: 38360362 DOI: 10.1016/j.jad.2024.02.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 02/07/2024] [Accepted: 02/12/2024] [Indexed: 02/17/2024]
Abstract
BACKGROUND Adolescent non-suicidal self-injury (NSSI) is a major public health issue. Family factors are significantly associated with NSSI in adolescents, while studies on forecasting NSSI at the family level are still limited. In addition to regression methods, machine learning (ML) techniques have been recommended to improve the accuracy of family-level risk prediction for NSSI. METHODS Using a dataset of 7967 students and their primary caregivers from a cross-sectional study, logistic regression model and random forest model were used to test the forecasting accuracy of NSSI predictions at the family level. Cross-validation was used to assess model prediction performance, including the area under the receiver operator curve (AUC), precision, Brier score, accuracy, sensitivity, specificity, positive predictive value and negative predictive value. RESULTS The top three important family-related predictors within the random forest algorithm included family function (importance:42.66), family conflict (importance:42.18), and parental depression (importance:27.21). The most significant family-related risk predictors and protective predictors identified by the logistic regression model were family history of mental illness (OR:2.25) and help-seeking behaviors of mental distress from parents (OR:0.65), respectively. The AUCs of the two models, logistic regression and random forest, were 0.852 and 0.835, respectively. LIMITATIONS The key limitation is that this cross-sectional survey only enabled the authors to examine predictors that were considered to be proximal rather than distal. CONCLUSIONS These findings highlight the significance of family-related factors in forecasting NSSI in adolescents. Combining both conventional statistical methods and ML methods to improve risk assessment of NSSI at the family level deserves attention.
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Affiliation(s)
- Si Chen Zhou
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China
| | - Zhaohe Zhou
- School of Basic Medical Sciences, Chengdu University, Chengdu, China
| | - Qi Tang
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China
| | - Ping Yu
- Wuhan Mental Health Center, Wuhan, China; Wuhan Hospital for Psychotherapy, Wuhan, China
| | - Huijing Zou
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China
| | - Qian Liu
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China
| | - Xiao Qin Wang
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China
| | - Jianmei Jiang
- The Central Hospital of Enshi Tujia Autonomous Prefecture, Enshi, China
| | - Yang Zhou
- Wuhan Mental Health Center, Wuhan, China; Wuhan Hospital for Psychotherapy, Wuhan, China
| | - Lianzhong Liu
- Wuhan Mental Health Center, Wuhan, China; Wuhan Hospital for Psychotherapy, Wuhan, China
| | - Bing Xiang Yang
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China; Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Dan Luo
- Center for Wise Information Technology of Mental Health Nursing Research, School of Nursing, Wuhan University, Wuhan, China; Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China.
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14
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Xu Y, Zhou Y, Yi X, Nie X. LRP8 promotes tumorigenesis in ovarian cancer through inhibiting p53 signaling. Cell Biol Int 2024; 48:626-637. [PMID: 38263609 DOI: 10.1002/cbin.12133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/13/2023] [Accepted: 01/05/2024] [Indexed: 01/25/2024]
Abstract
Ovarian cancer (OC) is the most lethal gynecological malignancy with a high mortality rate. Low-density lipoprotein (LDL) receptor-related protein 8 (LRP8) is a cell membrane receptor belonging LDL receptor family and is involved in several tumor progressions. However, there is limited understanding of how LRP8 mediates OC development. LRP8 expression level was identified in human OC tissues and cells using immunohistochemical staining and quantitative polymerase chain reaction assays, respectively. Functions of LRP8 in OC progression were evaluated by Celigo cell counting, wound healing, transwell and flow cytometry assays, and the xenograft models. The human phospho-kinase array analysis was used for screening potential signaling involved in OC development. We observed that LRP8 was overexpressed in OC tissues, and high expression of LRP8 was associated with poor prognosis of OC patients. Functionally, LRP8 knockdown remarkably reduced proliferation and migration of OC cells, and induced apoptosis and S phase cycle arrest. LRP8 deficiency attenuated in vivo tumor growth of OC cells. Moreover, the addition of p53 inhibitor partially reversed the effects of LRP8 knockdown on OC cell proliferation and apoptosis, indicating the involvement of p53 signaling in LRP8-mediated OC progression. This study confirmed that LRP8/p53 axis contributed to OC progression, which might serve as a novel potential therapeutic target for OC patients.
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Affiliation(s)
- Yan Xu
- Department of Obstetrics and Gynecology, Shenyang Women's and Children's Hospital, Shenyang, China
| | - Yang Zhou
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xiling Yi
- Department of Obstetrics and Gynecology, Shenyang Women's and Children's Hospital, Shenyang, China
| | - Xiaocui Nie
- Department of Obstetrics and Gynecology, Shenyang Women's and Children's Hospital, Shenyang, China
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15
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Xie Q, Yin X, Wang Y, Qi Y, Pan C, Sulaymanov S, Qiu QS, Zhou Y, Jiang X. The signalling pathways, calcineurin B-like protein 5 (CBL5)-CBL-interacting protein kinase 8 (CIPK8)/CIPK24-salt overly sensitive 1 (SOS1), transduce salt signals in seed germination in Arabidopsis. Plant Cell Environ 2024; 47:1486-1502. [PMID: 38238896 DOI: 10.1111/pce.14820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 11/21/2023] [Accepted: 12/03/2023] [Indexed: 04/06/2024]
Abstract
For plant growth under salt stress, sensing and transducing salt signals are central to cellular Na+ homoeostasis. The calcineurin B-like protein (CBL)-CBL-interacting protein kinase (CIPK) complexes play critical roles in transducing salt signals in plants. Here, we show that CBL5, an ortholog of CBL4 and CBL10 in Arabidopsis, interacts with and recruits CIPK8/CIPK24 to the plasma membrane. Yeast cells coexpressing CBL5, CIPK8/CIPK24 and SOS1 demonstrated lesser Na+ accumulation and a better growth phenotype than the untransformed or SOS1 transgenic yeast cells under salinity. Overexpression of CBL5 improved the growth of the cipk8 or cipk24 single mutant but not the cipk8 cipk24 double mutant under salt stress, suggesting that CIPK8 and CIPK24 were the downstream targets of CBL5. Interestingly, seed germination in cbl5 was severely inhibited by NaCl, which was recovered by the overexpression of CBL5. Furthermore, CBL5 was mainly expressed in the cotyledons and hypocotyls, which are essential to seed germination. Na+ efflux activity in the hypocotyls of cbl5 was reduced relative to the wild-type under salt stress, enhancing Na+ accumulation. These findings indicate that CBL5 functions in seed germination and protects seeds and germinating seedlings from salt stress through the CBL5-CIPK8/CIPK24-SOS1 pathways.
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Affiliation(s)
- Qing Xie
- National Center for Technology Innovation of Saline-Alkali Tolerant Rice/College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Xiaochang Yin
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry (School of Agricultural and Rural Affairs, School of Rural Revitalization), Hainan University, Haikou, China
| | - Yu Wang
- National Center for Technology Innovation of Saline-Alkali Tolerant Rice/College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Yuting Qi
- MOE Key Laboratory of Cell Activities and Stress Adaptations/School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Chengcai Pan
- National Center for Technology Innovation of Saline-Alkali Tolerant Rice/College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Sunnatulla Sulaymanov
- National Center for Technology Innovation of Saline-Alkali Tolerant Rice/College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, China
| | - Quan-Sheng Qiu
- MOE Key Laboratory of Cell Activities and Stress Adaptations/School of Life Sciences, Lanzhou University, Lanzhou, China
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Lanzhou University, Lanzhou, China
| | - Yang Zhou
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, School of Tropical Agriculture and Forestry (School of Agricultural and Rural Affairs, School of Rural Revitalization), Hainan University, Haikou, China
| | - Xingyu Jiang
- National Center for Technology Innovation of Saline-Alkali Tolerant Rice/College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang, China
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Zhang X, Li Z, Zhou Y, Huang L. Chronic miliary gout complicated by chronic renal failure: a case report. Scand J Rheumatol 2024; 53:233-235. [PMID: 38407204 DOI: 10.1080/03009742.2024.2315706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 02/05/2024] [Indexed: 02/27/2024]
Affiliation(s)
- X Zhang
- Department of Nephrology, The Second Clinical College of Guizhou University of Chinese Medicine, Guiyang, P.R. China
| | - Z Li
- Department of Nephrology, The Second Clinical College of Guizhou University of Chinese Medicine, Guiyang, P.R. China
| | - Y Zhou
- Department of Nephrology, The Second Clinical College of Guizhou University of Chinese Medicine, Guiyang, P.R. China
| | - L Huang
- Department of Nephrology, The Second Clinical College of Guizhou University of Chinese Medicine, Guiyang, P.R. China
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Qiu L, Duan Y, Zhou Y, Xu F, Zheng H, Cai X, Jiang Z. Impact of digital empowerment on labor employment in manufacturing enterprises: Evidence from China. Heliyon 2024; 10:e29040. [PMID: 38638987 PMCID: PMC11024557 DOI: 10.1016/j.heliyon.2024.e29040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/20/2024] Open
Abstract
Many studies have examined the influence of digital technologies, such as robots and artificial intelligence, on enterprise labor, but few have investigated the underlying mechanisms and impact paths of digital empowerment on labor employment. Therefore, this study uses data on manufacturing enterprises listed on China's Shanghai and Shenzhen A-share markets from 2011 to 2020, and applies a panel fixed effect model to test the relationship between digital empowerment and labor employment, and the mechanisms underlying this relationship. We find that digital empowerment increases labor employment. However, the effects are heterogeneous: firms with better corporate governance, more competitive industry, and less favorable regional business environments are more motivated to optimize the structure of their labor resources. Through robustness test and mediation effect model test, we find that digital empowerment can improve enterprise human capital by increasing economies scale and managerial efficiency, especially the employment of R&D and innovation personnel and management personnel; it can also affect the amount of human capital by improving total factor productivity.
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Affiliation(s)
- Liping Qiu
- School of Business and Management, Shanghai International Studies University, Shanghai, China
| | - Yixue Duan
- School of Economics and Finance, Xi'an Jiaotong University, Xi'an, China
| | - Yang Zhou
- School of Business and Management, Shanghai International Studies University, Shanghai, China
| | - Feng Xu
- Zhejiang Private Economy Development Center, Zhejiang, China
| | - Hanyu Zheng
- Shanghai World Foreign Language Academy, Shanghai, China
| | - Xin Cai
- School of Journalism and Communication, Shanghai International Studies University, Shanghai, China
| | - Zhibin Jiang
- School of Journalism and Communication, Shanghai International Studies University, Shanghai, China
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18
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Leng Y, Tian T, Tang B, Ma Y, Li Z, Shi Q, Liu J, Zhou Y, Wang W, Huang C, Zhao X, Feng W, Liu Y, Liang J, Liu T, Liu S, Ren Q, Liu J, Zhang T, Zhou J, Huang Q, Zhang Y, Yin B, Xu Y, Liu L, Shen L, Zhao H. The oncogenic role and regulatory mechanism of ACAA2 in human ovarian cancer. Mol Carcinog 2024. [PMID: 38656551 DOI: 10.1002/mc.23729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/29/2024] [Accepted: 04/06/2024] [Indexed: 04/26/2024]
Abstract
Acetyl-CoAacyltransferase2 (ACAA2) is a key enzyme in the fatty acid oxidation pathway that catalyzes the final step of mitochondrial β oxidation, which plays an important role in fatty acid metabolism. The expression of ACAA2 is closely related to the occurrence and malignant progression of tumors. However, the function of ACAA2 in ovarian cancer is unclear. The expression level and prognostic value of ACAA2 were analyzed by databases. Gain and loss of function were carried out to explore the function of ACAA2 in ovarian cancer. RNA-seq and bioinformatics methods were applied to illustrate the regulatory mechanism of ACAA2. ACAA2 overexpression promoted the growth, proliferation, migration, and invasion of ovarian cancer, and ACAA2 knockdown inhibited the malignant progression of ovarian cancer as well as the ability of subcutaneous tumor formation in nude mice. At the same time, we found that OGT can induce glycosylation modification of ACAA2 and regulate the karyoplasmic distribution of ACAA2. OGT plays a vital role in ovarian cancer as a function of oncogenes. In addition, through RNA-seq sequencing, we found that ACAA2 regulates the expression of DIXDC1. ACAA2 regulated the malignant progression of ovarian cancer through the WNT/β-Catenin signaling pathway probably. ACAA2 is an oncogene in ovarian cancer and has the potential to be a target for ovarian cancer therapy.
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Affiliation(s)
- Yahui Leng
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Tian Tian
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Bingbing Tang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yongqing Ma
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Zihang Li
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Qin Shi
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jiaqi Liu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yang Zhou
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Wenlong Wang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Chengyang Huang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Xuan Zhao
- The Second Clinical College, Xi'an Medical University, Xi'an, China
| | - Wenxiao Feng
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yanni Liu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jingyin Liang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Tianhui Liu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Song Liu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Qiulei Ren
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Jiakun Liu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Te Zhang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Junsuo Zhou
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Qian Huang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yaling Zhang
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Bin Yin
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yuewen Xu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Liaoyuan Liu
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Li Shen
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Hongyan Zhao
- School of Basic Medicine, Hubei University of Medicine, Shiyan, China
- Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Biomedical Research Institute, Hubei University of Medicine, Shiyan, China
- Department of Clinical Oncology, Taihe Hospital, Hubei University of Medicine, Shiyan, China
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19
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Kong X, Wu Y, Li H, Yang Y, Ru L, Zhou Y, Wang Y. Anisotropic Growth of Covalent Inorganic Complexes to Nanoplatelets. Inorg Chem 2024; 63:7266-7274. [PMID: 38470025 DOI: 10.1021/acs.inorgchem.4c00065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Colloidal II-VI semiconductor nanoplatelets (NPLs) provide a new platform in material science due to their unique growth mode and advanced optical properties. However, in contrast to the rapid development of zinc blend structured NPLs, studies on the formation of wurtzite (WZ) NPLs have been limited to the lamellar assembly of specific magic-sized nanoclusters (MSCs). Therefore, the study of new precursors is important for enriching the synthesis strategy, improving the study of two-dimensional (2D) nanocrystal growth mechanisms, and constructing complex nanostructures. Here, we demonstrated that covalent inorganic complexes (CICs), as novel functional intermediates, can be directly used to form NPLs without involving MSCs. Using in situ absorption spectra, we demonstrated that the evolution followed a pseudo-first-order kinetics (kobs = 0.02 min-1 (t1/2 = 34.7 min)). Several types of binary WZ NPLs, including CdSe, CdS, CdTe, and ZnS, have been directly prepared based on this mechanism through the anisotropic growth of CICs. In addition, CICs can also be used to prepare Mn-doped CdSe NPLs. The present study not only affords new precursors for the synthesis of WZ NPLs but also advances our understanding of the synthesis mechanism of nanocrystals.
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Affiliation(s)
- Xinke Kong
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yajun Wu
- Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China
| | - Huan Li
- Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China
| | - Yuelin Yang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Lin Ru
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yang Zhou
- Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China
| | - Yuanyuan Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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20
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Zhou Y, Zhang YQ, Huang SJ, Liang Y, Liang X, Wali M, Feng YD. Urgent one-stage endoscopic treatment for choledocholithiasis related moderate to severe acute cholangitis: A propensity score-matched analysis. World J Gastroenterol 2024; 30:2118-2127. [DOI: 10.3748/wjg.v30.i15.2118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/19/2024] [Accepted: 03/27/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND During emergency endoscopic retrograde cholangiopancreatography (ERCP), the safety and feasibility of performing one-stage endoscopic treatment for patients with acute cholangitis (AC) due to choledocholithiasis are unclear.
AIM To investigate the safety and feasibility of one-stage endoscopic treatment for moderate to severe AC.
METHODS We enrolled all patients diagnosed with moderate to severe cholangitis due to common bile duct stones from January 2019 to July 2023. The outcomes were compared in this study between patients who underwent ERCP within 24 h and those who underwent ERCP 24 h later, employing a propensity score (PS) framework. Our primary outcomes were intensive care unit (ICU) admission rates, ICU length of stay, and duration of antibiotic use.
RESULTS In total, we included 254 patients and categorized them into two groups based on the time elapsed between admission and intervention: The urgent group (≤ 24 h, n = 102) and the elective group (> 24 h, n = 152). Ninety-three pairs of patients with similar characteristics were selected by PS matching. The urgent ERCP group had more ICU admissions (34.4% vs 21.5%, P = 0.05), shorter ICU stays (3 d vs 9 d, P < 0.001), fewer antibiotic use (6 d vs 9 d, P < 0.001), and shorter hospital stays (9 d vs 18.5 d, P < 0.001). There were no significant differences observed in adverse events, in-hospital mortality, recurrent cholangitis occurrence, 30-d readmission rate or 30-d mortality.
CONCLUSION Urgent one-stage ERCP provides the advantages of a shorter ICU stay, a shorter duration of antibiotic use, and a shorter hospital stay.
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Affiliation(s)
- Yang Zhou
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Yin-Qiu Zhang
- Department of Gastroenterology, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing 210019, Jiangsu Province, China
| | - Shuai-Jing Huang
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Yan Liang
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Xiao Liang
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Masoom Wali
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
| | - Ya-Dong Feng
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing 210009, Jiangsu Province, China
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Feng J, Huang X, Xu Q, Tang R, Zhou Y, Qin S, Xing S, Gao Y, Mei S, He Z. Pharmacological inhibition of the ACE/Ang-2/AT1 axis alleviates mechanical ventilation-induced pulmonary fibrosis. Int Immunopharmacol 2024; 131:111855. [PMID: 38493697 DOI: 10.1016/j.intimp.2024.111855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/22/2024] [Accepted: 03/10/2024] [Indexed: 03/19/2024]
Abstract
Mechanical ventilation (MV) is an essential therapy for acute respiratory distress syndrome (ARDS) and pulmonary fibrosis. However, it can also induce mechanical ventilation-induced pulmonary fibrosis (MVPF) and the underlying mechanism remains unknown. Based on a mouse model of MVPF, the present study aimed to explore the role of the angiotensin-converting enzyme/angiotensin II/angiotensin type 1 receptor (ACE/Ang-2/AT1R) axis in the process of MVPF. In addition, recombinant angiotensin-converting enzyme 2(rACE2), AT1R inhibitor valsartan, AGTR1-directed shRNA and ACE inhibitor perindopril were applied to verify the effect of inhibiting ACE/Ang-2/AT1R axis in the treatment of MVPF. Our study found MV induced an inflammatory reaction and collagen deposition in mouse lung tissue accompanied by the activation of ACE in lung tissue, increased concentration of Ang-2 in bronchoalveolar lavage fluid (BALF), and upregulation of AT1R in alveolar epithelial cells. The process of pulmonary fibrosis could be alleviated by the application of the ACE inhibitor perindopril, ATIR inhibitor valsartan and AGTR1-directed shRNA. Meanwhile, rACE2 could also alleviate MVPF through the degradation of Ang-2. Our finding indicated the ACE/Ang-2/AT1R axis played an essential role in the pathogenesis of MVPF. Pharmacological inhibition of the ACE/Ang-2/AT1R axis might be a promising strategy for the treatment of MVPF.
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Affiliation(s)
- Jinhua Feng
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Xi Huang
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Qiaoyi Xu
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Ri Tang
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Yang Zhou
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Shaojie Qin
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Shunpeng Xing
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Yuan Gao
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Shuya Mei
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China.
| | - Zhengyu He
- Department of Critical Care Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China.
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Xu X, Huang Z, Ding C, Deng S, Ou J, Cai Z, Zhou Y, Liang H, Chen J, Wang Z, Liu X, Xuan L, Liu Q, Zheng Z, Li Z, Zhou H. STAT5 phosphorylation plus minimal residual disease defines a novel risk classification in adult B-cell acute lymphoblastic leukaemia. Br J Haematol 2024. [PMID: 38639167 DOI: 10.1111/bjh.19467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 04/20/2024]
Abstract
The dysregulation of the Janus family tyrosine kinase-signal transducer and activator of transcription (JAK-STAT) is closely related to acute lymphoblastic leukaemia (ALL), whereas the clinical value of phosphorylated STAT5 (pSTAT5) remains elusive. Herein we performed a prospective study on clinical significance of flow cytometry-based pSTAT5 in adult B-ALL patients. A total of 184 patients were enrolled in the Precision-Classification-Directed-Target-Total-Therapy (PDT)-ALL-2016 cohort between January 2018 and December 2021, and STAT5 phosphorylation was detected by flow cytometry at diagnosis. Based on flow-pSTAT5, the population was classified into pSTAT5low (113/184, 61.1%) and pSTAT5high (71/184, 38.9%). Overall survival (OS) and event-free survival (EFS) were inferior in pSTAT5high patients than in those with pSTAT5low (OS, 44.8% vs. 65.2%, p = 0.004; EFS, 23.5% vs. 52.1%, p < 0.001), which was further confirmed in an external validation cohort. Furthermore, pSTAT5 plus flow-based minimal residual disease (MRD) postinduction defines a novel risk classification as being high risk (HR, pSTAT5high + MRD+), standard risk (SR, pSTAT5low + MRD-) and others as moderate-risk group. Three identified patient subgroups are distinguishable with disparate survival curves (3-year OS rates, 36.5%, 56.7% and 76.3%, p < 0.001), which was confirmed on multivariate analysis (hazard ratio 3.53, p = 0.003). Collectively, our study proposed a novel, simple and flow-based risk classification by integrating pSTAT5 and MRD in favour of risk-guided treatment for B-ALL.
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Affiliation(s)
- Xiuli Xu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Hematology, Ganzhou People's Hospital (Nanfang Hospital Ganzhou Hospital), Ganzhou, China
| | - Zicong Huang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Chenhao Ding
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shiyu Deng
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jiawang Ou
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zihong Cai
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yang Zhou
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Haimei Liang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junjie Chen
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - ZhiXiang Wang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Hematology, Ganzhou People's Hospital (Nanfang Hospital Ganzhou Hospital), Ganzhou, China
| | - Xiaoli Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Hematology, Ganzhou People's Hospital (Nanfang Hospital Ganzhou Hospital), Ganzhou, China
| | - Li Xuan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Clinical Medical Research, Center of Hematology Diseases of Guangdong Province, Guangzhou, China
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Clinical Medical Research, Center of Hematology Diseases of Guangdong Province, Guangzhou, China
| | - Zhongxin Zheng
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhen Li
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hongsheng Zhou
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Department of Hematology, Ganzhou People's Hospital (Nanfang Hospital Ganzhou Hospital), Ganzhou, China
- Clinical Medical Research, Center of Hematology Diseases of Guangdong Province, Guangzhou, China
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23
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Cao Y, Wang S, Li H, Gao YY, Li M, Wang H, Zhu W, Zhou Y. Anisotropic growth of gold anchors on CdSe semiconductor quantum platelets for self-assembled architectures with well-connected electronic circuits for the electrochemical detection of enrofloxacin. Analyst 2024. [PMID: 38639445 DOI: 10.1039/d4an00412d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Anisotropic growth of nanomaterials enables advances in building diverse and complex architectures, which exhibit unique properties and enrich the choice of nano-building modules for electrochemical sensor devices. Herein, an anisotropic growth method was proposed to anchor gold nanoparticles (AuNPs) onto both ends of quasi-two-dimensional CdSe semiconductor quantum nanoplatelets (NPLs), appearing with a monodisperse and uniform nano-dumbbell shape. Then, these AuNPs were exploited as natural anchor points and further initiated self-assembly to create complex architectures via dithiol bridges. Detailed studies illustrated that the covalent Se-Au bonds facilitate effective charge transfer in the internal metal-semiconductor (M-S) electric field. The narrowed energy gap and up-shifted highest occupied molecular orbital were favored for electron removal during the electro-oxidation process. The ultrathin CdSe NPLs supplied a large specific surface area, carrying remaining holes and abundant active sites for target electro-catalysis. As a result, using the assembled complex as the electrode matrix with well-connected electronic circuits, a reliable electrochemical sensor was achieved for enrofloxacin detection. Under the optimal conditions, the current response exhibits two linear dynamic ranges, 0.01-10.0 μM and 10.0-250 μM, and the detection limit was calculated as 0.0026 μM. This work not only opens up broad application prospects for heterogeneous M-S combinations as effective electrochemical matrixes but also develops reliable antibiotic assays for food and environmental safety.
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Affiliation(s)
- Yue Cao
- Key Laboratory for Organic Electronics & Information Displays and Institute of Advanced Materials, Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, PR China.
| | - Shengyan Wang
- Key Laboratory for Organic Electronics & Information Displays and Institute of Advanced Materials, Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, PR China.
| | - Huan Li
- Key Laboratory for Organic Electronics & Information Displays and Institute of Advanced Materials, Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, PR China.
| | - Yan-Yan Gao
- Key Laboratory for Organic Electronics & Information Displays and Institute of Advanced Materials, Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, PR China.
| | - Mei Li
- School of Environment, State Key Laboratory of Pollution Control and Resource Reuse, the Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing 210023, PR China.
| | - Hua Wang
- Huzhou Key Laboratory of Medical and Environmental Application Technologies, School of Life Sciences, Huzhou University, Zhejiang 313000, PR China
| | - Wenlei Zhu
- School of Environment, State Key Laboratory of Pollution Control and Resource Reuse, the Frontiers Science Center for Critical Earth Material Cycling, Nanjing University, Nanjing 210023, PR China.
| | - Yang Zhou
- Key Laboratory for Organic Electronics & Information Displays and Institute of Advanced Materials, Nanjing University of Posts & Telecommunications (NJUPT), Nanjing 210023, PR China.
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Ma X, Yin J, Qiao L, Wan H, Liu X, Zhou Y, Wu J, Niu L, Wu M, Wang X, Ye H. A programmable targeted protein-degradation platform for versatile applications in mammalian cells and mice. Mol Cell 2024; 84:1585-1600.e7. [PMID: 38479385 DOI: 10.1016/j.molcel.2024.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 01/15/2024] [Accepted: 02/21/2024] [Indexed: 04/21/2024]
Abstract
Myriad physiological and pathogenic processes are governed by protein levels and modifications. Controlled protein activity perturbation is essential to studying protein function in cells and animals. Based on Trim-Away technology, we screened for truncation variants of E3 ubiquitinase Trim21 with elevated efficiency (ΔTrim21) and developed multiple ΔTrim21-based targeted protein-degradation systems (ΔTrim-TPD) that can be transfected into host cells. Three ΔTrim-TPD variants are developed to enable chemical and light-triggered programmable activation of TPD in cells and animals. Specifically, we used ΔTrim-TPD for (1) red-light-triggered inhibition of HSV-1 virus proliferation by degrading the packaging protein gD, (2) for chemical-triggered control of the activity of Cas9/dCas9 protein for gene editing, and (3) for blue-light-triggered degradation of two tumor-associated proteins for spatiotemporal inhibition of melanoma tumor growth in mice. Our study demonstrates that multiple ΔTrim21-based controllable TPD systems provide powerful tools for basic biology research and highlight their potential biomedical applications.
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Affiliation(s)
- Xiaoding Ma
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Jianli Yin
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China; Chongqing Key Laboratory of Precision Optics, Chongqing Institute of East China Normal University, Chongqing 401120, China
| | - Longliang Qiao
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Hang Wan
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Xingwan Liu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Yang Zhou
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China; Wuhu Hospital, Health Science Center, East China Normal University, Wuhu City 241001, China
| | - Jiali Wu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Lingxue Niu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Min Wu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Xinyi Wang
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Haifeng Ye
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Centre, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China.
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25
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Pan X, Hu E, Zhou Y, Li L, Huang X, Cai Z. The prognostic nutritional index as a predictor of efficacy and early recurrence for adjuvant transarterial chemoembolization in hepatocellular carcinoma. Clin Res Hepatol Gastroenterol 2024:102344. [PMID: 38641249 DOI: 10.1016/j.clinre.2024.102344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/06/2024] [Accepted: 04/17/2024] [Indexed: 04/21/2024]
Abstract
BACKGROUND AND AIMS Postoperative adjuvant transcatheter arterial chemoembolization (TACE) can prevent recurrence of hepatocellular carcinoma (HCC) in certain patients. This study aimed to identify the potential beneficiaries of adjuvant TACE. METHODS 477 patients who underwent curative resection for HCC were enrolled in this retrospectively cohort study. The trajectory of the prognostic nutritional index (PNI) during the perioperative period was fitted using a latent-class growth mixed model. The association between adjuvant TACE and recurrence-free survival in each PNI group was assessed using the Kaplan-Meier curve. Furthermore, Cox regression analysis was conducted to identify the risk factors for early recurrence after adjuvant TACE and develop a nomogram model. RESULTS Patients in the PNI group III had a high risk of recurrence and could benefit from adjuvant TACE (P = 0.009). The prognostic prediction model for adjuvant TACE (PAT) incorporated eight variables (PNI, tumor size, tumor number, vascular invasion, sex, aspartate aminotransferase, gamma-glutamyl transferase, and degree of differentiation). Patients with PAT scores > 330 and 235-330 had significantly higher recurrence rates than those with PAT scores < 235 (P < 0.001). CONCLUSION PNI may help guide the selection of adjuvant TACE beneficiaries. PAT demonstrated a high accuracy in predicting the prognosis of patients who underwent postoperative TACE.
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Affiliation(s)
- Xinting Pan
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China
| | - En Hu
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China
| | - Yang Zhou
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China
| | - Ling Li
- Department of Interventional Radiology, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China
| | - Xinhui Huang
- Department of Interventional Radiology, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.
| | - Zhixiong Cai
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, China.
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26
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Zhou D, Mei Y, Song C, Cheng K, Cai W, Guo D, Gao S, Lv J, Liu T, Zhou Y, Wang L, Liu B, Liu Z. Exploration of the mode of death and potential death mechanisms of nucleus pulposus cells. Eur J Clin Invest 2024:e14226. [PMID: 38632688 DOI: 10.1111/eci.14226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/16/2024] [Accepted: 04/06/2024] [Indexed: 04/19/2024]
Abstract
Intervertebral disc degeneration (IVDD) is a common chronic orthopaedic disease in orthopaedics that imposes a heavy economic burden on people and society. Although it is well established that IVDD is associated with genetic susceptibility, ageing and obesity, its pathogenesis remains incompletely understood. Previously, IVDD was thought to occur because of excessive mechanical loading leading to destruction of nucleus pulposus cells (NPCs), but studies have shown that IVDD is a much more complex process associated with inflammation, metabolic factors and NPCs death and can involve all parts of the disc, characterized by causing NPCs death and extracellular matrix (ECM) degradation. The damage pattern of NPCs in IVDD is like that of some programmed cell death, suggesting that IVDD is associated with programmed cell death. Although apoptosis and pyroptosis of NPCs have been studied in IVDD, the pathogenesis of intervertebral disc degeneration can still not be fully elucidated by using only traditional cell death modalities. With increasing research, some new modes of cell death, PANoptosis, ferroptosis and senescence have been found to be closely related to intervertebral disc degeneration. Among these, PANoptosis combines essential elements of pyroptosis, apoptosis and necroptosis to form a highly coordinated and dynamically balanced programmed inflammatory cell death process. Furthermore, we believe that PANoptosis may also crosstalk with pyroptosis and senescence. Therefore, we review the progress of research on multiple deaths of NPCs in IVDD to provide guidance for clinical treatment.
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Affiliation(s)
- Daqian Zhou
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Yongliang Mei
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Chao Song
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Kang Cheng
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Weiye Cai
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Daru Guo
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Silong Gao
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Jiale Lv
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Tao Liu
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Yang Zhou
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Liquan Wang
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Bing Liu
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
| | - Zongchao Liu
- Department of Orthopedics, The Affiliated Traditional Chinese Medicine Hospital, Southwest Medical University, Luzhou, Sichuan Province, China
- Luzhou Longmatan District People's Hospital, Luzhou, Sichuan, China
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27
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Wei Z, Zhou Y, Li Z, Kulkarni M, Zhang Y. Supporting equitable and responsible highway safety improvement funding allocation strategies - Why AI prediction biases matter. Accid Anal Prev 2024; 202:107585. [PMID: 38631113 DOI: 10.1016/j.aap.2024.107585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 03/18/2024] [Accepted: 04/12/2024] [Indexed: 04/19/2024]
Abstract
The existing methodologies for allocating highway safety improvement funding closely rely on the utilization of crash prediction models. Specifically, these models produce predictions that estimate future crash hazard levels in different geographical areas, which subsequently support the future funding allocation strategies. In recent years, there is a burgeoning interest in applying artificial intelligence (AI)-based models to perform crash prediction tasks. Despite the remarkable accuracy of these AI-based crash prediction models, they have been observed to yield biased prediction outcomes across areas of different socioeconomic statuses. These biases are primarily attributed to the inherent measurement and representation biases of AI-based prediction models. More precisely, measurement bias arises from the selection of target variables to reflect crash hazard levels, while representation bias results from the issue of imbalanced number of samples representing areas with different socioeconomic statuses within the dataset. Consequently, these biased prediction outcomes have the potential to perpetuate an unfair allocation of funding resources, contributing to worsen social inequality over time. Drawing upon a real-world case study in North Carolina, this study designs an AI-based crash prediction model that utilizes previous sociodemographic and crash-related variables to predict future severe crash rate of each area to reflect the crash hazardous level. By incorporating a fair regression framework, this study endeavors to transform the crash prediction model to become both fair and accurate, aiming to support equitable and responsible safety improvement funding allocation strategies.
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Affiliation(s)
- Zihang Wei
- Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX, United States.
| | - Yang Zhou
- Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX, United States.
| | - Zihao Li
- Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX, United States.
| | - Mihir Kulkarni
- Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX, United States.
| | - Yunlong Zhang
- Zachry Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX, United States.
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Zhou Y, Chi M, Zhou Z, Wang L, Yuan L, Zheng L, Huang Y. Herb-drug interactions: Quantitative analysis of levofloxacin absorption and transporter expression in the rat intestine following combined treatment with Persicaria capitata (Buch.-Ham. ex D. Don) H. Gross. J Pharm Biomed Anal 2024; 245:116156. [PMID: 38636190 DOI: 10.1016/j.jpba.2024.116156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
Persicaria capitata (Buch.-Ham. ex D. Don) H. Gross, a traditional Chinese medicinal plant, is often used to treat various urologic disorders in China. P. capitata extracts (PCE) have been used in combination with levofloxacin (LVFX) to treat urinary tract infections (UTIs) for a long time. However, little is known about the absorption of LVFX and transporter expression in the intestine after combined treatment with PCE, restricting the development and utilization of PCE. In view of this, a UPLC-MS/MS method was established for the determination of LVFX in intestinal sac fluid samples and in situ intestinal circulation perfusate samples to explore the effect of PCE on the intestinal absorption characteristics of LVFX ex vivo and in vivo. To further evaluate the interaction between LVFX and PCE, western blotting, immunohistochemistry, and RT-qPCR were utilized to determine the expression levels of drug transporters (OATP1A2, P-gp, BCRP, and MRP2) involved in the intestinal absorption of LVFX after combined treatment with PCE. Using the everted intestinal sac model, the absorption rate constant (Ka) and cumulative drug absorption (Q) of LVFX in each intestinal segment were significantly lower in groups treated with PCE than in the control group. Ka at 2 h decreased most in the colon segment (from 0.088 to 0.016 µg/h·cm2), and Q at 2 h decreased most in the duodenum (from 213.29 to 33.92 µg). Using the intestinal circulation perfusion model, the Ka value and percentage absorption rate (A) of LVFX in the small intestine decreased significantly when PCE and LVFX were used in combination. These results showed that PCE had a strong inhibitory effect on the absorption of LVFX in the rat small intestine (ex vivo and in vivo intestinal segments). In addition, PCE increased the protein and mRNA expression levels of efflux transporters (P-gp, BCRP, and MRP2) and decreased the expression of the uptake transporter OATP1A2 significantly. The effects increased as the PCE concentration increased. These findings indicated that PCE changed the absorption characteristics of levofloxacin, possibly by affecting the expression of transporters in the small intestine. In addition to revealing a herb-drug interaction (HDI) between PCE and LVFX, these results provide a basis for further studies of their clinical efficacy and mechanism of action.
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Affiliation(s)
- Yang Zhou
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, China
| | - Mingyan Chi
- School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, China; National Engineering Research Center of Miao's Medicines, Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang 550004, China
| | - Zuying Zhou
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, China
| | - Ling Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, China
| | - Li Yuan
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, China
| | - Lin Zheng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China.
| | - Yong Huang
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang 550004, China; School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, China.
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Addai FP, Wu J, Lin F, Ma X, Han J, Liu Y, Zhou Y, Wang Y. Alloyed Trimetallic Nanocomposite as an Efficient and Recyclable Solid Matrix for Ideonella sakaiensis Lipase Immobilization. Langmuir 2024. [PMID: 38626327 DOI: 10.1021/acs.langmuir.4c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
In this work, a trimetallic (Ni/Co/Zn) organic framework (tMOF), synthesized by a solvothermal method, was calcinated at 400 and 600 °C and the final products were used as a support for lipase immobilization. The material annealed at 400 °C (Ni-Co-Zn@400) had an improved surface area (66.01 m2/g) and pore volume (0.194 cm3/g), which showed the highest enzyme loading capacity (301 mg/g) with a specific activity of 0.196 U/mg, and could protect the enzyme against thermal denaturation at 65 °C. The optimal pH and temperature for the lipase were 8.0 and 45 °C but could tolerate pH levels 7.0-8.0 and temperatures 40-60 °C. Moreover, the immobilized enzyme (Ni-Co-Zn@Lipase, Ni-Co-Zn@400@Lipase, or Ni-Co-Zn@600@Lipase) could be recovered and reused for over seven cycles maintaining 80, 90, and 11% of its original activity and maintained a residual activity >90% after 40 storage days. The remarkable thermostability and storage stability of the immobilized lipase suggest that the rigid structure of the support acted as a protective shield against denaturation, while the improved pH tolerance toward the alkaline range indicates a shift in the ionization state attributed to unequal partitioning of hydroxyl and hydrogen ions within the microenvironment of the active site, suggesting that acidic residues may have been involved in forming an enzyme-support bond. The high enzyme loading capacity, specific activity, encouraging stability, and high recoverability of the tMOF@Lipase indicate that a multimetallic MOF could be a better platform for efficient enzyme immobilization.
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Affiliation(s)
- Frank Peprah Addai
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jiacong Wu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Feng Lin
- Key Laboratory of Healthy Freshwater Aquaculture, Ministry of Agriculture, Zhejiang Institute of Freshwater Fisheries, Zhejiang, Huzhou 313001, China
| | - Xinnan Ma
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Juan Han
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yuelin Liu
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yang Zhou
- School of Life Sciences, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yun Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
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30
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Ji Z, Guan X, Zhou Y, Qian J, Yin X, Chen F. LiNbO 3 Coating and F - Doping Stabilize the Crystal Structure and Ameliorate the Interface of LiNi 0.88Co 0.06Mn 0.03Al 0.03O 2 to Improve the Electrochemical Properties and Safety Capability. Langmuir 2024; 40:8180-8193. [PMID: 38581394 DOI: 10.1021/acs.langmuir.4c00260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/08/2024]
Abstract
Ni-rich layered materials Li[NixCoyMnzAl1-x-y-z]O2 (x > 0.8) are regarded as the competitive cathode for practical applications in lithium-ion batteries owing to the large discharging capacity. Nevertheless, the strong oxidation activity, the poor structure, and the thermal stability at the electrode-electrolyte interface would lead to much trouble, for example, inferior electrochemical properties and acute safety issues. To ameliorate the above problems, this work reports a strategy for the double modification of F- doping and LiNbO3 covering in LiNi0.88Co0.06Mn0.03Al0.03O2 cathode via using high-temperature calcining and ball-milling technology. As a result, the cathodes after F- doping and LiNbO3 covering not only demonstrate a more stabilized crystal structure and particle interface but also reduce the release of high-activity oxygen species to ameliorate the thermal runaway. The electrochemical tests show that the LiNbO3-F--modified cathode displays a superior rate capability of 159.3 mAh g-1 at 10.0 C and has the predominant capability retention of 92.1% in the 200th cycle at 25 °C, much superior than those (125.4 mAh g-1 and 84.0%) of bare cathode. Thus, the F- doped and LiNbO3-coated Ni-rich oxides could be a promising cathode to realize the high capacity and a stabilized interface.
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Affiliation(s)
- Zuhong Ji
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Xiaodong Guan
- Suzhou Huayi New Energy Technology Co., Ltd., Suzhou 215433, China
| | - Yang Zhou
- Suzhou Huayi New Energy Technology Co., Ltd., Suzhou 215433, China
| | - Junchao Qian
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Xingliang Yin
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, PR China
| | - Feng Chen
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
- Key Laboratories of Fine Chemicals and Surfactants in Sichuan Provincial Universities, Zigong 643000, PR China
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31
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Zhou M, Zhou W, Yang H, Cao L, Li M, Yin P, Zhou Y. Molecular Modeling of Shockwave-Mediated Blood-Brain Barrier Opening for Targeted Drug Delivery. ACS Appl Mater Interfaces 2024. [PMID: 38622933 DOI: 10.1021/acsami.4c00812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Bubble-enhanced shock waves induce the transient opening of the blood-brain barrier (BBB) providing unique advantages for targeted drug delivery of brain tumor therapy, but little is known about the molecular details of this process. Based on our BBB model including 28 000 lipids and 280 tight junction proteins and coarse-grained dynamics simulations, we provided the molecular-level delivery mechanism of three typical drugs for the first time, including the lipophilic paclitaxel, hydrophilic gemcitabine, and siRNA encapsulated in liposome, across the BBB. The results show that the BBB is more difficult to be perforated by shock-induced jets than the human brain plasma membrane (PM), requiring higher shock wave speeds. For the pores formed, the BBB exhibits a greater ability to self-heal than PM. Hydrophobic paclitaxel can cross the BBB and be successfully absorbed, but the amount is only one-third of that of PM; however, the absorption of hydrophilic gemcitabine was almost negligible. Liposome-loaded siRNAs only stayed in the first layer of the BBB. The mechanism analysis shows that increasing the bubble size can promote drug absorption while reducing the risk of higher shock wave overpressure. An exponential function was proposed to describe the relation between bubble and overpressure, which can be extended to the experimental microbubble scale. The calculated overpressure is consistent with the experimental result. These molecular-scale details on shock-assisted BBB opening for targeted drug delivery would guide and assist experimental attempts to promote the application of this strategy in the clinical treatment of brain tumors.
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Affiliation(s)
- Mi Zhou
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Wenyu Zhou
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
| | - Hong Yang
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
| | - Luoxia Cao
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
| | - Ming Li
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
| | - Ping Yin
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
- School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Yang Zhou
- Institute of Chemical Materials, Chinese Academy of Engineering and Physics, Mianyang 621900, China
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32
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Gao X, Li W, Sun X, Hao Y, Sun M, Yang Y, Wu G, Zhou Y. The important role of nitrate in iron and manganese dissolution and sulfate formation in fine particles at a coastal site in Northern China. Sci Total Environ 2024; 921:170318. [PMID: 38280608 DOI: 10.1016/j.scitotenv.2024.170318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/17/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
Bioavailable transition trace elements, such as soluble iron (Fes) and soluble manganese (Mns) in aerosols, play a crucial role in atmospheric sulfate formation and marine ecosystems. In this study conducted during the spring of 2017 in Qingdao, a coastal city in Northern China, we applied a combined approach of multiple linear regression (MLR) incorporating the results of positive matrix factorization (PMF) to estimate the solubility of Fe and Mn from various sources. PMF analysis showed that dust was the largest contributor to total Fe (FeT) (45.5 %), followed by non-ferrous smelting (20.3 %) and secondary formation processes (17.8 %). However, secondary formation processes (33.2 %), vehicle exhaust (19.3 %) and aqueous-phase processes (19.0 %) were found to be the primary contributors to Fes. For total Mn (MnT) and Mns, dust (21.2 % ∼ 35.0 %), secondary formation processes (20.3 % ∼ 25.6 %) and industry (12.6 % ∼ 16.3 %) were identified as the dominant contributors. The solubilities of Fe and Mn varied significantly depending on their sources. Interestingly, nitrate played a more pronounced role than sulfate in facilitating the dissolution of Fe and Mn during the acid processing due to the high molar ratio of NO3-/2SO42- (1.72 ± 0.54) under the average RH of 56 % ± 15 %. This phenomenon suggested that the acid processing was primarily triggered by nitrate formation due to the low deliquescence relative humidity (DRH) of nitrate. Additionally, we discovered that the catalytic oxidation of SO2 in aerosol water was primarily driven by Fe rather than Mn, serving as a more significant pathway for sulfate formation within a pH range of 2.0 to 4.4. These findings provide valuable insights into the impact of acidification on the dissolution of Fe and Mn under conditions of moderate RH in the real ambient atmosphere with the increasing of NO3-/2SO42- molar ratio.
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Affiliation(s)
- Xiaomei Gao
- School of Water Conservancy and Environment, University of Jinan, Jinan, Shandong, China
| | - Wenshuai Li
- Frontier Science Center for Deep Ocean Multispheres and Earth System (FDOMES) and Physical Oceanography Laboratory, Ocean University of China, Qingdao, Shandong, China; College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, Shandong, China
| | - Xiaoyan Sun
- Jinan Ecological and Environmental Monitoring Center, Jinan, Shandong, China
| | - Yu Hao
- North China Sea Data and Information Service, State Oceanic Administration, Qingdao, Shandong, China.
| | - Mingge Sun
- Frontier Science Center for Deep Ocean Multispheres and Earth System (FDOMES) and Physical Oceanography Laboratory, Ocean University of China, Qingdao, Shandong, China; College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, Shandong, China
| | - Yiyan Yang
- Frontier Science Center for Deep Ocean Multispheres and Earth System (FDOMES) and Physical Oceanography Laboratory, Ocean University of China, Qingdao, Shandong, China; College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, Shandong, China
| | - Guanru Wu
- Frontier Science Center for Deep Ocean Multispheres and Earth System (FDOMES) and Physical Oceanography Laboratory, Ocean University of China, Qingdao, Shandong, China; College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, Shandong, China
| | - Yang Zhou
- Frontier Science Center for Deep Ocean Multispheres and Earth System (FDOMES) and Physical Oceanography Laboratory, Ocean University of China, Qingdao, Shandong, China; College of Oceanic and Atmospheric Sciences, Ocean University of China, Qingdao, Shandong, China.
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Yin F, Zhou Y, Xie D, Liang Y, Luo X. Evaluating the adverse effects and mechanisms of nanomaterial exposure on longevity of C. elegans: A literature meta-analysis and bioinformatics analysis of multi-transcriptome data. Environ Res 2024; 247:118106. [PMID: 38224941 DOI: 10.1016/j.envres.2024.118106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/28/2023] [Accepted: 01/02/2024] [Indexed: 01/17/2024]
Abstract
Exposure to large-size particulate air pollution (PM2.5 or PM10) has been reported to increase risks of aging-related diseases and human death, indicating the potential pro-aging effects of airborne nanomaterials with ultra-fine particle size (which have been widely applied in various fields). However, this hypothesis remains inconclusive. Here, a meta-analysis of 99 published literatures collected from electronic databases (PubMed, EMBASE and Cochrane Library; from inception to June 2023) was performed to confirm the effects of nanomaterial exposure on aging-related indicators and molecular mechanisms in model animal C. elegans. The pooled analysis by Stata software showed that compared with the control, nanomaterial exposure significantly shortened the mean lifespan [standardized mean difference (SMD) = -2.30], reduced the survival rate (SMD = -4.57) and increased the death risk (hazard ratio = 1.36) accompanied by upregulation of ced-3, ced-4 and cep-1, while downregulation of ctl-2, ape-1, aak-2 and pmk-1. Furthermore, multi-transcriptome data associated with nanomaterial exposure were retrieved from Gene Expression Omnibus (GSE32521, GSE41486, GSE24847, GSE59470, GSE70509, GSE14932, GSE93187, GSE114881, and GSE122728) and bioinformatics analyses showed that pseudogene prg-2, mRNAs of abu, car-1, gipc-1, gsp-3, kat-1, pod-2, acdh-8, hsp-60 and egrh-2 were downregulated, while R04A9.7 was upregulated after exposure to at least two types of nanomaterials. Resveratrol (abu, hsp-60, pod-2, egrh-2, acdh-8, gsp-3, car-1, kat-1, gipc-1), naringenin (kat-1, egrh-2), coumestrol (egrh-2) or swainsonine/niacin/ferulic acid (R04A9.7) exerted therapeutic effects by reversing the expression levels of target genes. In conclusion, our study demonstrates the necessity to use phytomedicines that target hub genes to delay aging for populations with nanomaterial exposure.
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Affiliation(s)
- Fei Yin
- College of Textile and Clothing Engineering, Soochow University, 199 Ren-Ai Road, Suzhou, 215123, China
| | - Yang Zhou
- School of Textile Science and Engineering/National Engineering Laboratory for Advanced Yarn and Clean Production, Wuhan Textile University, Wuhan, 430200, China.
| | - Dongli Xie
- College of Textile and Clothing Engineering, Soochow University, 199 Ren-Ai Road, Suzhou, 215123, China
| | - Yunxia Liang
- College of Textile and Clothing Engineering, Soochow University, 199 Ren-Ai Road, Suzhou, 215123, China.
| | - Xiaogang Luo
- College of Textile and Clothing Engineering, Soochow University, 199 Ren-Ai Road, Suzhou, 215123, China.
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Fan C, Liang Q, Wang Y, Chen P, Wu J, Wu Q, Jiang S, Zhou Y, He R, Tai F. Cu-II-directed self-assembly of fullerenols to ameliorate copper stress in maize seedlings. Sci Total Environ 2024:172416. [PMID: 38631627 DOI: 10.1016/j.scitotenv.2024.172416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Revised: 04/09/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
Widespread use of copper-based agrochemical may cause copper excessive accumulation in agricultural soil to seriously threaten crop production. Recently, fullerenols are playing important roles in helping crops build resistance to abiotic stresses by giving ingenious and successful resolutions. However, there is a lack of knowledge on their beneficial effects in crops under stresses induced by heavy metals. Herein, the visual observation of Cu2+-mediated assembly of fullerenols via electrostatic and coordination actions was carried out in vitro, showing that water-soluble nanocomplexes and water-insoluble cross-linking nanohybrids were selectively fabricated by precisely adjusting feeding ratios of fullerenols and CuSO4. Furthermore, maize simultaneous exposure of fullerenols and CuSO4 solutions was tested to investigate the comparative effects of seed germination and seedling growth relative to exposure of CuSO4 alone. Under moderate Cu2+ stresses (40 and 80 μM), fullerenols significantly mitigated the detrimental effects of seedlings, including phenotype, root and shoot elongation, biomass accumulation, antioxidant capacity, and Cu2+ uptake and copper transporter-related gene expressions in roots. Under 160 μM of Cu2+ as a stressor, fullerenols also accelerated germination of Cu2+-stressed seeds eventually up to the level of the control. Summarily, fullerenols can enhance tolerance of Cu2+-stressed maize mainly due to direct detoxification through fullerenol-Cu2+ interactions restraining the Cu2+ intake into roots and reducing free Cu2+ content in vivo, as well as fullerenol-maize interactions to enhance resistance by maintaining balance of reactive oxygen species and optimizing the excretion and transport of Cu2+. This will unveil valuable insights into the beneficial roles of fullerenols and its mechanism mode in alleviating heavy metal stress on crop plants.
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Affiliation(s)
- Chenjie Fan
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Qingyuan Liang
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Yan Wang
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Peimei Chen
- National Key Laboratory of Wheat and Maize Crop Science, College of Life Science, Henan Agricultural University, Zhengzhou 450046, China
| | - Jiakai Wu
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Qingnan Wu
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Shijun Jiang
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Yang Zhou
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China
| | - Rui He
- NanoAgro Center, College of Plant Protection, Henan Agricultural University, Zhengzhou 450046, China.
| | - Fuju Tai
- National Key Laboratory of Wheat and Maize Crop Science, College of Life Science, Henan Agricultural University, Zhengzhou 450046, China.
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Zhang C, Zhou Y, Xi S, Han D, Wang Z, Zhu J, Cai Y, Zhang H, Jin G, Mi Y. The TRIF-RIPK1-Caspase-8 signalling in the regulation of TLR4-driven gene expression. Immunology 2024. [PMID: 38618995 DOI: 10.1111/imm.13795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 04/05/2024] [Indexed: 04/16/2024] Open
Abstract
The inflammatory response is tightly regulated to eliminate invading pathogens and avoid excessive production of inflammatory mediators and tissue damage. Caspase-8 is a cysteine protease that is involved in programmed cell death. Here we show the TRIF-RIPK1-Caspase-8 is required for LPS-induced CYLD degradation in macrophages. TRIF functions in the upstream of RIPK1. The homotypic interaction motif of TRIF and the death domain of RIPK1 are essential for Caspase-8 activation. Caspase-8 cleaves CYLD and the D235A mutant is resistant to the protease activity of Caspase-8. TRIF and RIPK1 serve as substrates of Capase-8 in vitro. cFLIP interacts with Caspase-8 to modulate its protease activity on CYLD and cell death. Deficiency in TRIF, Caspase-8 or CYLD can lead to a decrease or increase in the expression of genes encoding inflammatory cytokines. Together, the TRIF-Caspase-8 and CYLD play opposite roles in the regulation of TLR4 signalling.
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Affiliation(s)
- Chengyang Zhang
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yang Zhou
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Shuangtong Xi
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Danlin Han
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ziyu Wang
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Jingwen Zhu
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yizhe Cai
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Haifeng Zhang
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Ge Jin
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yang Mi
- Department of Biochemistry and molecular biology, School of Basic Medical Sciences, Zhengzhou University, Zhengzhou, China
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Li D, Yuan G, Wang YO, Wang H, Zhang Q, Wang YA, Gu Y, Zhang H, Zhang Y, Song J, Fu Z, Lin K, Qiu C, Zhou Y, Fan M, Zhao Y, Guo J, Jiang N, Ai J, Liu H, Zhang W. Clinical Characteristics, Treatment, and Prognosis of Osteoarticular Brucellosis: A Retrospective Real-World Study in Shenyang, China, 2014-2019. Foodborne Pathog Dis 2024. [PMID: 38608217 DOI: 10.1089/fpd.2023.0027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2024] Open
Abstract
This study aimed to assess the clinical characteristics, treatment, and prognosis of osteoarticular brucellosis. We conducted a retrospective study enrolling brucellosis patients from the Sixth People's Hospital of Shenyang between September 2014 and June 2019. A total of 1917 participants were admitted during this period. After applying propensity score matching, we retrospectively analyzed 429 patients with osteoarthritis and 429 patients without osteoarthritis. The primary outcome was treatment completion. The secondary outcome was symptom disappearance and seroconversion. Brucellosis patients with osteoarthritis had longer treatment course (160 [134.3-185.7] vs. 120 [102.3-137.7] d, p = 0.008) than those without osteoarthritis. The most common involved site was lumbar vertebrae (290 [67.6%]) in brucellosis patients with osteoarthritis. Longer symptom duration (90 [83.0-97.0] vs. 42 [40.2-43.8], p < 0.001) along with no significant difference in seroconversion (180 [178.8-181.2] vs. 180 [135.1-224.9], p = 0.212) was observed in osteoarthritis patients with treatment course >90 d. Peripheral joint involvement (adjusted hazard ratio [95% confidence interval] 1.485 [1.103-1.999]; p = 0.009) had a shorter symptom duration compared with shaft joint involvement. No significant differences were observed in treatment therapy between doxycycline plus rifampin (DR) or plus cephalosporins (DRC) in treatment course (p = 0.190), symptom persistence (p = 0.294), and seroconversion (p = 0.086). Lumbar vertebra was the most commonly involved site. Even if all symptoms disappeared, Serum agglutination test potentially remained positive in some patients. Compared with peripheral arthritis, shaft arthritis was the high-risk factor for longer symptom duration. The therapeutic effects were similar between DR and DRC. In summary, our study provided important insights into the clinical characteristics, treatment, and outcomes of osteoarticular brucellosis. Clinical Trial Registration number: NCT04020536.
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Affiliation(s)
- Dan Li
- The Sixth People's Hospital of Shenyang, Shenyang, China
- Emergency Treatment and Innovation Center of Public Health Emergencies, Shenyang, China
| | - Guanmin Yuan
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Yan O Wang
- The Sixth People's Hospital of Shenyang, Shenyang, China
- Emergency Treatment and Innovation Center of Public Health Emergencies, Shenyang, China
| | - Hongyu Wang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Qiran Zhang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Yan A Wang
- The Sixth People's Hospital of Shenyang, Shenyang, China
- Emergency Treatment and Innovation Center of Public Health Emergencies, Shenyang, China
| | - Ye Gu
- The Sixth People's Hospital of Shenyang, Shenyang, China
- Emergency Treatment and Innovation Center of Public Health Emergencies, Shenyang, China
| | - Haocheng Zhang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Yi Zhang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Jieyu Song
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhangfan Fu
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Ke Lin
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Chao Qiu
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Yang Zhou
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Mingxiang Fan
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Yuanhan Zhao
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Jinxin Guo
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Ning Jiang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Jingwen Ai
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
| | - Hongyan Liu
- The Sixth People's Hospital of Shenyang, Shenyang, China
- Emergency Treatment and Innovation Center of Public Health Emergencies, Shenyang, China
| | - Wenhong Zhang
- Department of Infectious Diseases, National Medical Center for Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, Huashan Hospital, Fudan University, Shanghai, China
- Huashen Institute of Microbes and Infections, Shanghai, China
- National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
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Zhang Y, Xu Z, Shan M, Cao J, Zhou Y, Chen Y, Shi L. Arterial Smooth Muscle Cell AKAP150 Mediates Exercise-Induced Repression of Ca V1.2 Channel Function in Cerebral Arteries of Hypertensive Rats. Arterioscler Thromb Vasc Biol 2024. [PMID: 38602101 DOI: 10.1161/atvbaha.124.319543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024]
Abstract
BACKGROUND Hypertension is a major, prevalent risk factor for the development and progression of cerebrovascular disease. Regular exercise has been recommended as an excellent choice for the large population of individuals with mild-to-moderate elevations in blood pressure, but the mechanisms that underlie its vascular-protective and antihypertensive effects remain unknown. Here, we describe a mechanism by which myocyte AKAP150 (A-kinase anchoring protein 150) inhibition induced by exercise training alleviates voltage-dependent L-type Ca2+ channel (CaV1.2) activity and restores cerebral arterial function in hypertension. METHODS Spontaneously hypertensive rats and newly generated smooth muscle-specific AKAP150 knockin mice were used to assess the role of myocyte AKAP150/CaV1.2 channel in regulating cerebral artery function after exercise intervention. RESULTS Activation of the AKAP150/PKCα (protein kinase Cα) signaling increased CaV1.2 activity and Ca2+ influx of cerebral arterial myocyte, thus enhancing vascular tone in spontaneously hypertensive rats. Smooth muscle-specific AKAP150 knockin mice were hypertensive with higher CaV1.2 channel activity and increased vascular tone. Furthermore, treatment of Ang II (angiotensin II) resulted in a more pronounced increase in blood pressure in smooth muscle-specific AKAP150 knockin mice. Exercise training significantly reduced arterial myocyte AKAP150 expression and alleviated CaV1.2 channel activity, thus restoring cerebral arterial function in spontaneously hypertensive rats and smooth muscle-specific AKAP150 knockin mice. AT1R (AT1 receptor) and AKAP150 were interacted closely in arterial myocytes. Exercise decreased the circulating Ang II and Ang II-involved AT1R-AKAP150 association in myocytes of hypertension. CONCLUSIONS The current study demonstrates that aerobic exercise ameliorates CaV1.2 channel function via inhibiting myocyte AKAP150, which contributes to reduced cerebral arterial tone in hypertension.
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Affiliation(s)
- Yanyan Zhang
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
- Laboratory of Sports Stress and Adaptation of General Administration of Sport, Beijing Sport University, China. (Y. Zhang, L.S.)
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, China. (Y. Zhang, L.S.)
| | - Zhaoxia Xu
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
| | - Meiling Shan
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
| | - Jiaqi Cao
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
| | - Yang Zhou
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
| | - Yu Chen
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
| | - Lijun Shi
- Department of Exercise Physiology, Beijing Sport University, China. (Y. Zhang, Z.X., M.S., J.C., Y. Zhou, Y.C., L.S.)
- Laboratory of Sports Stress and Adaptation of General Administration of Sport, Beijing Sport University, China. (Y. Zhang, L.S.)
- Key Laboratory of Physical Fitness and Exercise, Ministry of Education, Beijing Sport University, China. (Y. Zhang, L.S.)
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Yang P, Wu Q, Zhou Y, Li Y. Primary Epithelioid Angiosarcoma of the Jejunal Mesentery Causing Abdominal Bleeding: Case Report and Literature Review. Onco Targets Ther 2024; 17:327-338. [PMID: 38617088 PMCID: PMC11016259 DOI: 10.2147/ott.s453698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/12/2024] [Indexed: 04/16/2024] Open
Abstract
Gastrointestinal angiosarcoma is an extremely rare malignant tumor of the digestive tract, characterized by a very poor prognosis, with few patients surviving more than 1 year after diagnosis. This case report describes a 71-year-old female patient with a 3-year history of intermittent abdominal pain and significant exacerbation of abdominal pain and bloating 2 weeks prior to treatment. After surgical treatment, the pathological and immunohistochemical diagnosis was primary epithelioid angiosarcoma of the jejunal mesentery. The patient refused postoperative adjuvant chemotherapy and died 4 months after diagnosis due to widespread systemic metastasis. In addition, this article reviews 38 previously reported cases of primary gastrointestinal angiosarcoma, aiming to further understand angiosarcoma and thus guide clinical practitioners in providing more comprehensive treatment approaches.
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Affiliation(s)
- Peiyuan Yang
- Department of Gastrointestinal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130000, People’s Republic of China
| | - Qiong Wu
- Department of Pathology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130000, People’s Republic of China
| | - Yang Zhou
- Department of Gastrointestinal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130000, People’s Republic of China
| | - Yongchao Li
- Department of Gastrointestinal Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130000, People’s Republic of China
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Tang J, Zhou Y, Gong L, Deng J, Yuan Y, Zhong Y, Li J, Wang G. ARDS in solid organ transplant recipients hospitalized for COVID-19 based on the 2023 new definition. Heart Lung 2024; 66:103-107. [PMID: 38604053 DOI: 10.1016/j.hrtlng.2024.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 04/03/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Solid organ transplant recipients (SOTRs) are more likely to suffer complications after being infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). OBJECTIVES We aimed to describe the clinical features of SOTRs infected with SARS-CoV-2 and to assess independent risk factors associated with the development of acute respiratory distress syndrome (ARDS) following COVID-19 infection in SOTRs based on the new ARDS definition. METHODS 358 SOTRs infected with SARS-CoV-2 were recruited and divided into two groups, patients with ARDS (n = 81) and patients without ARDS (n = 277). Demographic data, initial laboratory findings, therapeutic measures, and outcome indicators were compared between the two groups. The association between the onset of ARDS and related factors was analyzed using a logistic regression model. A nomogram was created to estimate the probability of developing ARDS. RESULTS Approximately 22.6 % (81/358) of hospitalized SOTRs infected with SARS-CoV-2 developed ARDS. In comparison to patients without ARDS, those with ARDS presented with more underlying conditions, decreased lymphocyte counts and serum albumin levels, but increased levels of leukocytes, serum creatinine, nitrogen urea, uric acid, and inflammatory markers. Cerebrovascular disease, leukocyte counts, albumin levels, and IL-6 levels were independent risk factors for the development of ARDS in this population. Furthermore, a nomogram prediction model was created utilizing the aforementioned factors to facilitate early prediction of ARDS, exhibiting an AUC (area under curve) of 0.81. CONCLUSIONS Cerebrovascular disease, leukocyte counts, albumin levels, and IL-6 levels were independent risk factors for the development of ARDS following COVID-19 infection in SOTRs.
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Affiliation(s)
- Jun Tang
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Yang Zhou
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Linmei Gong
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Jiayi Deng
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Yihao Yuan
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Yanjun Zhong
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Jinxiu Li
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China
| | - Guyi Wang
- Department of Critical Care Medicine, the Second Xiangya Hospital, Central South University, Changsha, China; Hunan Provincial Center for Intensive Care Medicine and Clinical Research in Smart Healthcare, Changsha, China; Center for Smart Intensive Care Clinical Medicine Research, Central South University, Changsha, China.
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Chen Y, Wu R, Li X, Cao M, Yang M, Fu B, Xuan C, Chen C, Zhou Y, Hu R. β-Lapachone, an NQO1 bioactivatable drug, prevents lung tumorigenesis in mice. Eur J Pharmacol 2024:176511. [PMID: 38604545 DOI: 10.1016/j.ejphar.2024.176511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 02/27/2024] [Accepted: 03/14/2024] [Indexed: 04/13/2024]
Abstract
Lung cancer is one of the most lethal cancers with high incidence worldwide. The prevention of lung cancer is of great significance to reducing the social harm caused by this disease. An in-depth understanding of the molecular changes underlying precancerous lesions is essential for the targeted chemoprevention against lung cancer. Here, we discovered an increased NQO1 level over time within pulmonary premalignant lesions in both the KrasG12D-driven and nicotine-derived nitrosamine ketone (NNK)-induced mouse models of lung cancer, as well as in KrasG12D-driven and NNK-induced malignant transformed human bronchial epithelial cells (BEAS-2B and 16HBE). This suggests a potential correlation between the NQO1 expression and lung carcinogenesis. Based on this finding, we utilized β-Lapachone (β-Lap), an NQO1 bioactivatable drug, to suppress lung tumorigenesis. In this study, the efficacy and safety of low-dose β-Lap were demonstrated in preventing lung tumorigenesis in vivo. In conclusion, our study suggests that long-term consumption of low-dose β-Lap could potentially be an effective therapeutic strategy for the prevention of lung premalignant lesions. However, further studies and clinical trials are necessary to validate our findings, determine the safety of long-term β-Lap usage in human, and promote the use of β-Lap in high-risk populations.
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Affiliation(s)
- Yaxin Chen
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Ruoyu Wu
- Jinling High School, 210005, Nanjing, China
| | - Xingyan Li
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Mengran Cao
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Mengdi Yang
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Bin Fu
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Chenyuan Xuan
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Chi Chen
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China
| | - Yang Zhou
- Henan Provincial Clinical Research Center for Pediatric Diseases, Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou University, 450018, Zhengzhou, China.
| | - Rong Hu
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, 210009, Nanjing, China.
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Cui YY, Zhou Y, Gao YJ, Li TY, Wang Y, Zhang WQ, Zhou T, Chen S, Tong AL. [Clinical features of patients with metastatic pheochromocytoma/paraganglioma]. Zhonghua Yi Xue Za Zhi 2024; 104:1174-1179. [PMID: 38583049 DOI: 10.3760/cma.j.cn112137-20230820-00271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/08/2024]
Abstract
Objective: To analyze the clinical features of patients with metastatic pheochromocytoma/paraganglioma (PPGL). Methods: A follow-up study. The clinical data of 250 patients with metastatic PPGL treated at Peking Union Medical College Hospital from January 2018 to August 2023 were retrospectively analyzed, including 124 males and 126 females. The clinical features and treatment status of patients with metastatic PPGL were summarized and analyzed. Kaplan-Meier survival curve was used to evaluate patients' prognosis. Results: The age of onset, age of diagnosis, and age of tumor metastasis in patients with metastatic PPGL were (33.1±14.2) years, (35.4±15.2) years, and (40.7±15.3) years, respectively. Metastasis occurred in 26.4%(66/250) of patients at the time of initial diagnosis. Among patients without metastases at the time of initial diagnosis, the time from primary tumor resection to metastasis[M(Q1, Q3)] was 5.0 (3.0, 9.0) years, among which 20.1%(37/184) of patients had metastases more than 10 years after surgery. Most patients showed increased 24-hour urinary norepinephrine and plasma normetanephrine, accounting for 78.2%(176/225) and 78.7%(85/108), respectively. 42.3%(69/163) of patients had increased neuron specific enolase (NSE)levels. Germline mutations were screened in 201 patients, of which 55.2%(111/201) had germline pathogenic mutations. In patients with gene mutations, 76.5%(85/111) had SDHB mutations. 52.0%(130/250) of metastatic PPGL patients had primary sites outside the adrenal gland, with the Ki-67 index of 5% (3%, 8%). There were 85.6%(214/250) patients had multisystem metastasis, with bone metastasis being the most common site of metastasis, accounting for 60.8%(152/250). In terms of treatment, 32.8%(75/229) of patients underwent two treatment regimens and 8.7%(20/229) of patients underwent three treatment regimens. Most patients had a good prognosis, with a 5-year and 10-year survival rate of 88.0% and 84.0%, respectively. However, some patients had rapid disease progression, and as of August 2023, 30 patients died, and the time from diagnosis to death in deceased patients was 2.0 (1.0, 4.0) years. Conclusions: Patients with metastatic PPGL have a high rate of germline mutations, especially those with SDHB mutations. The metastatic PPGL is usually multisystem metastasis with the characteristics of mostly paraganglioma, large lesion diameter and high Ki-67 index.
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Affiliation(s)
- Y Y Cui
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Y Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Y J Gao
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - T Y Li
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Y Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - W Q Zhang
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - T Zhou
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - S Chen
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - A L Tong
- Department of Endocrinology, Key Laboratory of Endocrinology, National Health Commission of the People's Republic of China, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China
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Ouyang Y, Liu Y, Fan Y, Zhou Y, Shi T. The impact of salinity on the cohesion process of quartz substracts: A molecular dynamics study. J Chem Phys 2024; 160:134503. [PMID: 38557844 DOI: 10.1063/5.0196707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024] Open
Abstract
The moisture with salt ions adsorbed on the mineral soil surface is crucial to the cohesion process when the media is exposed to marine or coastal environments. However, the impact of salinity on the cohesion of soils is not well studied at the nanoscale. In this study, the salinity effect was investigated by studying the wettability and capillary force of NaCl solutions on quartz substrates via a molecular dynamics-based approach. Besides, a new visualization method was proposed to measure the contact angle of liquid droplets from the aspect of nanoscale. The results indicated that salt ions can weaken the wettability of the liquid on the quartz surface and inhibit the capillary force. Compared with water, the liquid with a 10% NaCl solution can achieve a capillary force reduction of around 70%, resulting in a detrimental effect on the cohesion of soils. Overall, this study enhanced the understanding of the nanoscale salinity effect on the cohesion process and provided insights into the modification of the mechanical properties of soils from the aspect of nanoscale.
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Affiliation(s)
- Yubing Ouyang
- College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
| | - Yanming Liu
- College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
| | - Yujian Fan
- College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
| | - Yang Zhou
- College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
| | - Tao Shi
- College of Civil Engineering, Zhejiang University of Technology, Hangzhou 310023, China
- Zhejiang Key Laboratory of Civil Engineering Structures and Disaster Prevention and Mitigation Technology (Zhejiang University of Technology), Hangzhou 310023, China
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Li YR, Zhou Y, Yu J, Zhu Y, Lee D, Zhu E, Li Z, Kim YJ, Zhou K, Fang Y, Lyu Z, Chen Y, Tian Y, Huang J, Cen X, Husman T, Cho JM, Hsiai T, Zhou JJ, Wang P, Puliafito BR, Larson SM, Yang L. Engineering allorejection-resistant CAR-NKT cells from hematopoietic stem cells for off-the-shelf cancer immunotherapy. Mol Ther 2024:S1525-0016(24)00221-1. [PMID: 38584391 DOI: 10.1016/j.ymthe.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/21/2024] [Accepted: 04/03/2024] [Indexed: 04/09/2024] Open
Abstract
The clinical potential of current FDA-approved chimeric antigen receptor (CAR)-engineered T (CAR-T) cell therapy is encumbered by its autologous nature, which presents notable challenges related to manufacturing complexities, heightened costs, and limitations in patient selection. Therefore, there is a growing demand for off-the-shelf universal cell therapies. In this study, we have generated universal CAR-engineered NKT (UCAR-NKT) cells by integrating iNKT TCR engineering and HLA gene editing on hematopoietic stem cells (HSCs), along with an ex vivo, feeder-free HSC differentiation culture. The UCAR-NKT cells are produced with high yield, purity, and robustness, and they display a stable HLA-ablated phenotype that enables resistance to host cell-mediated allorejection. These UCAR-NKT cells exhibit potent antitumor efficacy to blood cancers and solid tumors, both in vitro and in vivo, employing a multifaceted array of tumor-targeting mechanisms. These cells are further capable of altering the tumor microenvironment by selectively depleting immunosuppressive tumor-associated macrophages and myeloid-derived suppressor cells. In addition, UCAR-NKT cells demonstrate a favorable safety profile with low risks of graft-versus-host disease and cytokine release syndrome. Collectively, these preclinical studies underscore the feasibility and significant therapeutic potential of UCAR-NKT cell products and lay a foundation for their translational and clinical development.
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Affiliation(s)
- Yan-Ruide Li
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yang Zhou
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jiaji Yu
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yichen Zhu
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Derek Lee
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Enbo Zhu
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Zhe Li
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yu Jeong Kim
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Kuangyi Zhou
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ying Fang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Zibai Lyu
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yuning Chen
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Yanxin Tian
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jie Huang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xinjian Cen
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Tiffany Husman
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jae Min Cho
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Tzung Hsiai
- Division of Cardiology, Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Jin J Zhou
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Pin Wang
- Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089, USA
| | - Benjamin R Puliafito
- Department of Hematology and Oncology, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Sarah M Larson
- Department of Internal Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Centre, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Lili Yang
- Department of Microbiology, Immunology & Molecular Genetics, University of California, Los Angeles, Los Angeles, CA 90095, USA; Jonsson Comprehensive Cancer Centre, University of California, Los Angeles, Los Angeles, CA 90095, USA; Eli and Edythe Broad Centre of Regenerative Medicine and Stem Cell Research, University of California, Los Angeles, Los Angeles, CA 90095, USA; Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA.
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Gao T, Niu L, Wu X, Dai D, Zhou Y, Liu M, Wu K, Yu Y, Guan N, Ye H. Sonogenetics-controlled synthetic designer cells for cancer therapy in tumor mouse models. Cell Rep Med 2024:101513. [PMID: 38608697 DOI: 10.1016/j.xcrm.2024.101513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 02/21/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024]
Abstract
Bacteria-based therapies are powerful strategies for cancer therapy, yet their clinical application is limited by a lack of tunable genetic switches to safely regulate the local expression and release of therapeutic cargoes. Rapid advances in remote-control technologies have enabled precise control of biological processes in time and space. We developed therapeutically active engineered bacteria mediated by a sono-activatable integrated gene circuit based on the thermosensitive transcriptional repressor TlpA39. Through promoter engineering and ribosome binding site screening, we achieved ultrasound (US)-induced protein expression and secretion in engineered bacteria with minimal noise and high induction efficiency. Specifically, delivered either intratumorally or intravenously, engineered bacteria colonizing tumors suppressed tumor growth through US-irradiation-induced release of the apoptotic protein azurin and an immune checkpoint inhibitor, a nanobody targeting programmed death-ligand 1, in different tumor mouse models. Beyond developing safe and high-performance designer bacteria for tumor therapy, our study illustrates a sonogenetics-controlled therapeutic platform that can be harnessed for bacteria-based precision medicine.
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Affiliation(s)
- Tian Gao
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Lingxue Niu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Xin Wu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China; The Radiology Department of Shanxi Provincial People's Hospital, The Fifth Hospital of Shanxi Medical University, Taiyuan 030001, China
| | - Di Dai
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Yang Zhou
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China; Wuhu Hospital, Health Science Center, East China Normal University, Middle Jiuhua Road 263, Wuhu City, China
| | - Mengyao Liu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Ke Wu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Yuanhuan Yu
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China
| | - Ningzi Guan
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China.
| | - Haifeng Ye
- Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Dongchuan Road 500, Shanghai 200241, China; Wuhu Hospital, Health Science Center, East China Normal University, Middle Jiuhua Road 263, Wuhu City, China.
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Yang W, Jian M, Wang X, Zhou Y, Liang Y, Chen Y, Li Y, Li K, Ma B, Liu H, Han R. Dynamic Cortical Connectivity During Propofol Sedation in Glioma Patients. J Neurosurg Anesthesiol 2024:00008506-990000000-00104. [PMID: 38577956 DOI: 10.1097/ana.0000000000000964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/26/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND The behavioral manifestations and neurophysiological responses to sedation can assist in understanding brain function after neurological damage, and can be described by cortical functional connectivity. Glioma patients may experience neurological deficits that are not clinically detectable before sedation. We hypothesized that patients with gliomas exhibit distinct cortical connectivity patterns compared to non-neurosurgical patients during sedation. METHODS This is a secondary analysis of a previously published prospective observational study. Patients scheduled for resection of supratentorial glioma (n=21) or a non-neurosurgical procedure (n=21) under general anesthesia were included in this study. Frontal electroencephalography (EEG) signals were recorded at different sedation levels as assessed by the Observer Assessment of Alertness/Sedation (OAA/S) score. Kernel principal component analysis and k-means clustering were used to determine possible temporal dynamics from the weighted phase lag index characteristics. RESULTS Ten EEG connectivity states were identified by clustering (76% consistency), each with unique properties. At OAA/S 3, the median (Q1, Q3) occurrence rates of state 6 (glioma group, 0.110 [0.083, 0.155] vs. control group, 0.070 [0.030, 0.110]; P=0.008) and state 7 (glioma group, 0.105 [0.083, 0.148] vs. control group: 0.065 [0.038, 0.090]; P=0.001), which are dominated by beta connectivity, were significantly different between the 2 groups, reflecting differential conversion of the beta band between the left and right brain regions. In addition, the temporal dynamics of the brain's functional connectivity was also reflected in the transition relationships between metastable states. CONCLUSIONS There were differences in EEG functional connectivity, which is dynamic, between the glioma and nonglioma groups during sedation.
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Affiliation(s)
- Wanning Yang
- Department of Anesthesiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Qiu X, Liu R, Ling H, Zhou Y, Ren X, Zhou F, Zhang J, Huang W, Wang Z, Ding K. Discovery of 5-aminopyrido[2,3-d]pyrimidin-7(8H)-one derivatives as new hematopoietic progenitor kinase 1 (HPK1) inhibitors. Eur J Med Chem 2024; 269:116310. [PMID: 38479166 DOI: 10.1016/j.ejmech.2024.116310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 04/07/2024]
Abstract
Hematopoietic progenitor kinase 1 (HPK1) is a negative regulator of T-cell receptor signaling. While HPK1 is considered as a promising target for cancer immunotherapy, no small-molecule HPK1 inhibitors have been approved for cancer treatment. Herein, we report the discovery of a series of new HPK1 inhibitors with a 5-aminopyrido[2,3-d]pyrimidin-7(8H)-one scaffold. The most potent compound 9f inhibited HPK1 kinase activity with an IC50 of 0.32 nM in the time-resolved fluorescence resonance energy transfer (TR-FRET) assays, while displayed reasonable selectivity in a panel of 416 kinases. Cellular engagement of HPK1 by compound 9f was confirmed through the nano-bioluminescence resonance energy transfer (Nano-BRET) experiments. Compound 9f effectively reduced the phosphorylation of the downstream protein SLP-76 in primary peripheral blood mononuclear cells (PBMCs) and human T lymphocytic leukemia Jurkat cells. Compound 9f also enhanced the IL-2 and IFN-γ secretion in PBMCs. Furthermore, the binding mode of compound 9f with HPK1 was confirmed by the resolved cocrystal structure. Taken together, this study provides HPK1 inhibitors with a novel scaffold and clear binding mode for further development of HPK1-targeted therapeutic agents.
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Affiliation(s)
- Xiaorong Qiu
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China; University of Chinese Academy of Sciences, Beijing, 100049, China; School of Molecular Medicine, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310013, China
| | - Rong Liu
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China
| | - Huan Ling
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yang Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, College of Pharmacy, Jinan University, 855 Xingye Avenue East, Guangzhou, 511400, China
| | - Xiaomei Ren
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China
| | - Fengtao Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, College of Pharmacy, Jinan University, 855 Xingye Avenue East, Guangzhou, 511400, China
| | - Jinwei Zhang
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China
| | - Weixue Huang
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China.
| | - Zhen Wang
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China.
| | - Ke Ding
- State Key Laboratory of Chemical Biology, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, #345 Lingling Rd., Shanghai, 200032, China; International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Discovery of Chinese Ministry of Education (MOE), Guangzhou City Key Laboratory of Precision Chemical Drug Development, College of Pharmacy, Jinan University, 855 Xingye Avenue East, Guangzhou, 511400, China; Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang, 310022, China.
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Du Z, Song X, Liu W, Wang Z, Sha H, Xu Q, Zhou Y, Li Y, Luo J, Zhao S. Combining rigid and deformable groups to construct a robust birefringent crystal for compact polarization components. Sci Bull (Beijing) 2024:S2095-9273(24)00224-X. [PMID: 38599957 DOI: 10.1016/j.scib.2024.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/14/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024]
Abstract
There is a pressing demand for the development of novel birefringent crystals tailored for compact optical components, especially for crystals exhibiting large birefringence across a range of temperatures. This has commonly been achieved by introducing various deformable groups with high polarizability anisotropy. In this study, we combined both rigid and deformable groups to synthesise a new birefringent crystal, Al2Te2MoO10, which demonstrates an exceptional birefringence value of 0.29@550 nm at room temperature. Not only is this higher birefringence than that of commercial crystals, but Al2Te2MoO10 exhibits excellent birefringence stability over a wide temperature range, from 123 to 503 K. In addition, the first-principles theory calculations and structural analyses suggest that although the rigid AlO6 groups do not make much contribution to the prominent birefringence, they nonetheless played a role in maintaining the structural anisotropy at elevated temperatures. Based on these findings, this paper proposes a novel structural design strategy to complement conventional approaches for developing optimal birefringent crystals under various environmental conditions.
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Affiliation(s)
- Zhipeng Du
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; College of Chemistry, Fuzhou University, Fuzhou 350108, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China
| | - Xianyu Song
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; College of Chemistry, Fuzhou University, Fuzhou 350108, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China
| | - Wei Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China
| | - Ziyi Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China
| | - Hongyuan Sha
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China
| | - Qianting Xu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Yang Zhou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China
| | - Yanqiang Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Junhua Luo
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China; Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
| | - Sangen Zhao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; Fujian College, University of Chinese Academy of Sciences, Fuzhou 350002, China; Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China.
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Shen R, Qin S, Lv Y, Liu D, Ke Q, Shi C, Jiang L, Yang J, Zhou Y. GLP-1 receptor agonist attenuates tubular cell ferroptosis in diabetes via enhancing AMPK-fatty acid metabolism pathway through macropinocytosis. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167060. [PMID: 38354757 DOI: 10.1016/j.bbadis.2024.167060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 01/24/2024] [Accepted: 02/04/2024] [Indexed: 02/16/2024]
Abstract
Kidney tubules are mostly responsible for pathogenesis of diabetic kidney disease. Actively reabsorption of iron, high rate of lipid metabolism and exposure to concentrated redox-active compounds constructed the three main pillars of ferroptosis in tubular cells. However, limited evidence has indicated that ferroptosis is indispensable for diabetic tubular injury. Glucagon-like peptide-1 receptor agonist (GLP-1RA) processed strong benefits on kidney outcomes in people with diabetes. Moreover, GLP-1RA may have additive effects by improving dysmetabolism besides glucose control and weight loss. Therefore, the present study aimed at exploring the benefits of exendin-4, a high affinity GLP-1RA on kidney tubular dysregulation in diabetes and the possible mechanisms involved, with focus on ferroptosis and adenosine 5'-monophosphate-activated protein kinase (AMPK)-mitochondrial lipid metabolism pathway. Our data revealed that exendin-4 treatment markedly improved kidney structure and function by reducing iron overload, oxidative stress, and ACSL4-driven lipid peroxidation taken place in diabetic kidney tubules, along with reduced GPX4 expression and GSH content. AMPK signaling was identified as the downstream target of exendin-4, and enhancement of AMPK triggered the transmit of its downstream signal to activate fatty acid oxidation in mitochondria and suppress lipid synthesis and glycolysis, and ultimately alleviated toxic lipid accumulation and ferroptosis. Further study suggested that exendin-4 was taken up by tubular cells via macropinocytosis. The protective effect of exendin-4 on tubular ferroptosis was abolished by macropinocytosis blockade. Taken together, present work demonstrated the beneficial effects of GLP-1RA treatment on kidney tubular protection in diabetes by suppressing ferroptosis through enhancing AMPK-fatty acid metabolic signaling via macropinocytosis.
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Affiliation(s)
- Rui Shen
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Songyan Qin
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Yunhui Lv
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Dandan Liu
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Qingqing Ke
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Caifeng Shi
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China
| | - Lei Jiang
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China.
| | - Junwei Yang
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China.
| | - Yang Zhou
- Center for Kidney Disease, The Second Affiliated Hospital of Nanjing Medical University, China.
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49
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Yuan Z, Qiao H, Wang Z, Wang H, Han M, Zhang W, Zhou Y, Hassan HM, Zhao W, Qin T. Taohe Chengqi decoction alleviated metabolic-associated fatty liver disease by boosting branched chain amino acids catabolism in the skeletal muscles of type 2 diabetes mellitus. Phytomedicine 2024; 126:155315. [PMID: 38387274 DOI: 10.1016/j.phymed.2023.155315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 12/03/2023] [Accepted: 12/25/2023] [Indexed: 02/24/2024]
Abstract
OBJECTIVE Metabolic-associated fatty liver disease (MAFLD) is the most prevalent liver disease, whereas type 2 diabetes mellitus (T2DM) is considered an independent risk factor for MAFLD incidence. Taohe Chengqi decoction (THCQ) is clinically prescribed for T2DM treatment; however, the hepatoprotective effect of THCQ against MAFLD is still unknown. This study intended to elucidate the therapeutic effect of THCQ on T2DM-associated MAFLD and to investigate the underlying mechanisms. METHODS THCQ lyophilized powder was prepared and analyzed by UHPLC-MS/MS. A stable T2DM mouse model was established by high-fat diet (HFD) feeding combined with streptozotocin (STZ) injection. The T2DM mice were administered THCQ (2.5 g/kg or 5 g/kg) to explore the pharmacological effects of THCQ on T2DM-associated MAFLD. Liver tissue transcriptome was analyzed and the participatory roles of PPARα/γ pathways were verified both in vivo and in vitro. Serum metabolome analysis was used to explore the metabolome changes and skeletal muscle branched chain amino acid (BCAA) catabolic enzymes were further detected. Moreover, an AAV carrying BCKDHA shRNA was intramuscularly injected to verify the impact of THCQ on skeletal muscle BCAA catabolism and the potential therapeutic outcome on hepatic steatosis. RESULTS THCQ improved hepatic steatosis in MAFLD. RNA-sequencing analysis showed dysregulation in the hepatic PPARγ-related fatty acid synthesis, while PPARα-dependent fatty acid oxidation was elevated following THCQ treatment. Interestingly, in vitro analyses of these findings showed that THCQ had minor effects on fatty acid oxidation and/or synthesis. The metabolomic study revealed that THCQ accelerated BCAA catabolism in the skeletal muscles, in which knockdown of the BCAA catabolic enzyme BCKDHA diminished the THCQ therapeutic effect on hepatic steatosis. CONCLUSION This study highlighted the potential therapeutic effect of THCQ on hepatic steatosis in MALFD. THCQ upregulated fatty acid oxidation and reduced its synthesis via restoration of PPARα/γ pathways in HFD/STZ-induced T2DM mice, which is mediated through augmenting BCKDH activity and accelerating BCAA catabolism in the skeletal muscles. Overall, this study provided in-depth clues for "skeletal muscles-liver communication" in the therapeutic effect of THCQ against hepatic steatosis. These findings suggested THCQ might be a potential candidate against T2DM-associated MAFLD.
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Affiliation(s)
- Ziqiao Yuan
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; State Key Laboratory of Esophageal Cancer Prevention and Treatment; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China; Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Hui Qiao
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; State Key Laboratory of Esophageal Cancer Prevention and Treatment; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Ziwei Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; State Key Laboratory of Esophageal Cancer Prevention and Treatment; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Haoran Wang
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; State Key Laboratory of Esophageal Cancer Prevention and Treatment; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Mingru Han
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; State Key Laboratory of Esophageal Cancer Prevention and Treatment; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Wenzhou Zhang
- Department of Pharmacy, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China
| | - Yang Zhou
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou 450018, China
| | - Hozeifa Mohamed Hassan
- Precision Medicine Center, Taizhou Central Hospital (Taizhou University Hospital), Taizhou 318000, China.
| | - Wen Zhao
- Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education of China; State Key Laboratory of Esophageal Cancer Prevention and Treatment; School of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Tingting Qin
- Department of Pharmacy, The Affiliated Cancer Hospital of Zhengzhou University & Henan Cancer Hospital, Zhengzhou 450008, China.
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50
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Zhong H, Zhou H, Li Y, Li C, Tsui MTK, Mitchell CPJ, Zhou Y, Yang Y, Chen L, Ren H, Tang W. Methylmercury photodegradation in paddy water: An overlooked process mitigating methylmercury risks. Water Res 2024; 253:121332. [PMID: 38377924 DOI: 10.1016/j.watres.2024.121332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/15/2024] [Accepted: 02/16/2024] [Indexed: 02/22/2024]
Abstract
Photodegradation is critical to reduce the potent neurotoxic methylmercury (MeHg) in water and its subsequent accumulation along food chains. However, this process has been largely ignored in rice paddies, which are hotspots of MeHg production and receive about a quarter of the world's developed freshwater resources. Here, we reported that significant MeHg photodegradation, primarily mediated by hydroxyl radicals, occurs in the overlying water during rice growth. By incorporating field-measured light interception into a rice paddy biogeochemistry model, as well as photodegradation rates obtained from 42 paddy soils stretching ∼3500 km across China, we estimated that photodegradation reduced MeHg concentrations in paddy water and rice by 82 % and 11 %, respectively. Without photodegradation, paddy water could be a significant MeHg source for downstream ecosystems, with an annual export of 178 - 856 kg MeHg to downstream waters in China, the largest rice producer. These findings suggest that photodegradation in paddy water is critical for preventing greater quantities of MeHg entering human food webs.
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Affiliation(s)
- Huan Zhong
- School of the Environment, Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing, Jiangsu Province, PR China
| | - Hangyu Zhou
- School of the Environment, Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing, Jiangsu Province, PR China
| | - Yanbin Li
- Key Laboratory of Marine Chemistry Theory and Technology (Ministry of Education) and College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, Shandong Province, PR China.
| | - Chengjun Li
- Institute of Environmental Research at Greater Bay Area, Guangzhou University, Guangzhou, Guangdong Province, PR China
| | - Martin Tsz-Ki Tsui
- School of Life Sciences, Earth and Environmental Sciences Programme, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR, PR China; State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon Tong, Kowloon, Hong Kong SAR, PR China
| | - Carl P J Mitchell
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Scarborough, Ontario M1C 1A4, Canada
| | - Yang Zhou
- School of the Environment, Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing, Jiangsu Province, PR China
| | - Yanan Yang
- School of the Environment, Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing, Jiangsu Province, PR China
| | - Long Chen
- Key Laboratory of Geographic Information Science (Ministry of Education), School of Geographic Sciences, East China Normal University, Shanghai, PR China
| | - Hongqiang Ren
- School of the Environment, Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing, Jiangsu Province, PR China
| | - Wenli Tang
- School of the Environment, Nanjing University, State Key Laboratory of Pollution Control and Resource Reuse, Nanjing, Jiangsu Province, PR China.
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