1
|
Lu Q, Liu L, Li J, Song S, Kuang H, Xu C, Guo L. Rapid and sensitive quantitation of amitraz in orange, tomato, and eggplant samples using immunochromatographic assay. Food Chem 2024; 446:138899. [PMID: 38452506 DOI: 10.1016/j.foodchem.2024.138899] [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: 11/05/2023] [Revised: 02/11/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
Amitraz (AMT) is a broad-spectrum formamidine insecticide and acaricide. In this study, we produced an anti-AMT monoclonal antibody (mAb) with high performance. The half-maximal inhibitory concentration of the anti-AMT mAb was 4.418 ng/mL, the cross reactivity with other insecticides was negligible, and an affinity constant was 2.06 × 109 mmol/L. Additionally, we developed an immunochromatographic assay for the rapid detection of AMT residues in oranges, tomatoes, and eggplants. The cut-off values were 2000 μg/kg in oranges and tomato samples and 1000 μg/kg in eggplant samples and the calculated limits of detection were 14.521 μg/kg, 6.281 μg/kg, and 3.518 μg/kg in oranges, tomatoes, and eggplants, respectively, meeting the detection requirements for AMT in fruits and vegetables. The recovery rates ranged between 95.8 % and 105.2 %, consistent with the recovery rates obtained via LC-MS/MS. Our developed immunochromatographic assay can effectively, accurately, and rapidly determine AMT residues in oranges, tomatoes, and eggplants.
Collapse
Affiliation(s)
- Qianqian Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jinyan Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Shanshan Song
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hua Kuang
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Lingling Guo
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| |
Collapse
|
2
|
Abstract
OBJECTIVE The present study aimed to evaluate the risk factors for gestational diabetes mellitus (GDM) and build and validate an early risk prediction model of GDM by comparing the differences in the indicators of the first trimester of pregnancy between pregnant women with GDM and non-gestational diabetes mellitus (NGDM). Thus, this study provided a theoretical basis for early intervention of GDM. METHODS A total of 6000 pregnant women who underwent a routine prenatal examination in Qinhuangdao Maternal and Child Health Hospital (Qinhuangdao City, Hebei Province, China) from January 2016-2022 were retrospectively selected and randomly divided into a modeling cohort (4200 cases) and validation cohort (1800 cases) at a ratio of 3:7. According to the results of oral glucose tolerance test (OGTT), they were divided into NGDM and GDM groups. The modeling cohort consisted of 2975 NGDM and 1225 GDM cases, while the validation cohort consisted of 1281 NGDM and 519 GDM cases. The differences in general conditions and laboratory indicators between different groups were compared, and logistic regression analysis was further used to establish a risk prediction model for GDM in the first trimester. The receiver operating characteristic curve (ROC) and Hosmer-Lemeshow (HL) tests were used to evaluate the prediction of the model efficacy. RESULTS Age, pre-pregnancy body mass index (BMI), glycosylated hemoglobin (HbA1c), blood uric acid (UA), triglyceride (TG), and high-density lipoprotein cholesterol (HDL-C) in the first trimester were independent risk factors for GDM (P < 0.05). The model equation was Y = 1/{1 + exp[- (- 18.373 + age × 0.065 + BMI × 0.030 + first-trimester HbA1c × 2.519 + UA × 0.014 + TG × 0.224-HDL-C × 0.635)]}. The area under the ROC curve (AUC) of the model cohort was 0.803 (0.788-0.817), the sensitivity was 72.0%, and the specificity was 73.5%. The AUC of the validation cohort was 0.782 (0.759-0.806), the sensitivity was 68.6%, and the specificity was 73.8%. The P values of the HL test in both the training and validation sets were > 0.05, indicating a satisfactory model fit. CONCLUSION Age, pre-pregnancy BMI, HbA1C in early pregnancy, blood UA, TG, and HDL-C are independent risk factors for GDM. The risk prediction model established by combining age, pre-pregnancy BMI, and laboratory indicators in the first trimester can provide a theoretical basis for early screening, monitoring, and intervention of GDM high-risk pregnant women.
Collapse
Affiliation(s)
- Z-R Niu
- Department of Endocrinology, First Hospital of Qinhuangdao, Qinhuangdao, 066000, Hebei, China
| | - L-W Bai
- Department of Obstetrics, Qinhuangdao Hospital for Maternal and Child Health, Qinhuangdao, 066000, Hebei, China
| | - Q Lu
- Department of Endocrinology, First Hospital of Qinhuangdao, Qinhuangdao, 066000, Hebei, China.
| |
Collapse
|
3
|
Su R, He X, Houk KN, Lu Q, Liu F. Periselectivity and ambimodal transition states in cycloadditions of tetrachloro-o-benzoquinone with 6,6-dimethylfulvene. J Comput Chem 2024; 45:752-760. [PMID: 38116842 DOI: 10.1002/jcc.27264] [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: 08/31/2023] [Revised: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 12/21/2023]
Abstract
The reaction mechanism of cycloadditions of tetrachloro-o-benzoquinone with 6,6-dimethylfulvene were systematically investigated with density functional theory calculations. It was found that conditional primary interactions stabilize the ambimodal transition states in the endo pathways. Ambimodal transition states lead to [6 + 4]/[4 + 2] adducts or [4 + 2]/[2 + 4] adducts, which interconvert through 3,3-sigmatropic shift reactions. The substituent effects on periselectivity were also investigated.
Collapse
Affiliation(s)
- Ruirui Su
- College of Sciences, Nanjing Agricultural University, Nanjing, China
| | - Xue He
- College of Sciences, Nanjing Agricultural University, Nanjing, China
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, USA
| | - Qianqian Lu
- College of Sciences, Nanjing Agricultural University, Nanjing, China
| | - Fang Liu
- College of Sciences, Nanjing Agricultural University, Nanjing, China
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, USA
| |
Collapse
|
4
|
Dong L, Liu M, Fang M, Lu Q, Li X, Ma Y, Zhao T. Nucleation-Inhibited Emulsion Interfacial Assembled Polydopamine Microvesicles as Artificial Antigen-Presenting Cells. Small 2024:e2400714. [PMID: 38593314 DOI: 10.1002/smll.202400714] [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] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/31/2024] [Indexed: 04/11/2024]
Abstract
Albeit microemulsion systems have emerged as efficient platforms for fabricating tunable nano/microstructures, lack of understanding on the emulsion-interfacial assembly hindered the control of fabrication. Herein, a nucleation-inhibited microemulsion interfacial assembly method is proposed, which deviates from conventional interfacial nucleation approaches, for the synthesis of polydopamine microvesicles (PDA MVs). These PDA MVs exhibit an approximate diameter of 1 µm, showcasing a pliable structure reminiscent of cellular morphology. Through modifications of antibodies on the surface of PDA MVs, their capacity as artificial antigen presentation cells is evaluated. In comparison to solid nanoparticles, PDA MVs with cell-like structures show enhanced T-cell activation, resulting in a 1.5-fold increase in CD25 expression after 1 day and a threefold surge in PD-1 positivity after 7 days. In summary, the research elucidates the influence of nucleation and interfacial assembly in microemulsion polymerization systems, providing a direct synthesis method for MVs and substantiating their effectiveness as artificial antigen-presenting cells.
Collapse
Affiliation(s)
- Lingkai Dong
- School of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, P. R. China
| | - Minchao Liu
- School of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, P. R. China
| | - Meng Fang
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, P. R. China
| | - Qianqian Lu
- School of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, P. R. China
| | - Xingjin Li
- School of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, P. R. China
| | - Yanming Ma
- School of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, P. R. China
| | - Tiancong Zhao
- School of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, P. R. China
| |
Collapse
|
5
|
Huang X, Liu M, Lu Q, Lv K, Wang L, Yin S, Yuan M, Li Q, Li X, Zhao T, Zhao D. Physical-Chemical Coupling Coassembly Approach to Branched Magnetic Mesoporous Nanochains with Adjustable Surface Roughness. Adv Sci (Weinh) 2024:e2309564. [PMID: 38582520 DOI: 10.1002/advs.202309564] [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] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/19/2024] [Indexed: 04/08/2024]
Abstract
Self-assembly processes triggered by physical or chemical driving forces have been applied to fabricate hierarchical materials with subtle nanostructures. However, various physicochemical processes often interfere with each other, and their precise control has remained a great challenge. Here, in this paper, a rational synthesis of 1D magnetite-chain and mesoporous-silica-nanorod (Fe3O4&mSiO2) branched magnetic nanochains via a physical-chemical coupling coassembly approach is reported. Magnetic-field-induced assembly of magnetite Fe3O4 nanoparticles and isotropic/anisotropic assembly of mesoporous silica are coupled to obtain the delicate 1D branched magnetic mesoporous nanochains. The nanochains with a length of 2-3 µm in length are composed of aligned Fe3O4@mSiO2 nanospheres with a diameter of 150 nm and sticked-out 300 nm long mSiO2 branches. By properly coordinating the multiple assembly processes, the density and length of mSiO2 branches can well be adjusted. Because of the unique rough surface and length in correspondence to bacteria, the designed 1D Fe3O4&mSiO2 branched magnetic nanochains show strong bacterial adhesion and pressuring ability, performing bacterial inhibition over 60% at a low concentration (15 µg mL-1). This cooperative coassembly strategy deepens the understanding of the micro-nanoscale assembly process and lays a foundation for the preparation of the assembly with adjustable surface structures and the subsequent construction of complex multilevel structures.
Collapse
Affiliation(s)
- Xirui Huang
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Minchao Liu
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Qianqian Lu
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Kexin Lv
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Lipeng Wang
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Sixing Yin
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Minjia Yuan
- Shanghai Qiran Biotechnology Co., Ltd, Shanghai, 201702, China
| | - Qi Li
- Shanghai Qiran Biotechnology Co., Ltd, Shanghai, 201702, China
| | - Xiaomin Li
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Tiancong Zhao
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| | - Dongyuan Zhao
- College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China
| |
Collapse
|
6
|
Xi S, Chen Z, Lu Q, Liu C, Xu L, Lu C, Cheng R. Comparison of laparoscopic and open inguinal-hernia repair in elderly patients: the experience of two comprehensive medical centers over 10 years. Hernia 2024:10.1007/s10029-024-03004-0. [PMID: 38573484 DOI: 10.1007/s10029-024-03004-0] [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: 01/07/2024] [Accepted: 02/23/2024] [Indexed: 04/05/2024]
Abstract
PURPOSE The safety of laparoscopic inguinal-hernia repair must be carefully evaluated in elderly patients. Very little is known regarding the safety of the laparoscopic approach in elderly patients under surgical and medical co-management (SMC). Therefore, this study evaluated the safety of the laparoscopic approach in elderly patients, especially patients with multiple comorbidities under SMC. METHODS From January 2012 to December 2021, patients aged ≥ 65 years who underwent open or laparoscopic inguinal-hernia repair during hospitalization were consecutively enrolled. Postoperative outcomes included major and minor operation-related complications, and other adverse events. To reduce potential selection bias, propensity score matching was performed between open and laparoscopic groups based on patients' demographics and comorbidities. RESULTS A total of 447 elderly patients who underwent inguinal-hernia repair were enrolled, with 408 (91.3%) underwent open and 39 (8.7%) laparoscopic surgery. All postoperative outcomes were comparable between open and laparoscopic groups after 1:1 propensity score matching (all p > 0.05). Moreover, compared to the traditional care group (n = 360), a higher proportion of the SMC group (n = 87) was treated via the laparoscopic approach (18.4% vs. 6.4%, p = 0.00). In the laparoscopic approach subgroup (n = 39), patients in the SMC group (n = 16) were older with multiple comorbidities but were at higher risks of only minor operation-related complications, compared to those in the traditional care group. CONCLUSIONS Laparoscopic inguinal-hernia repair surgery is safe for elderly patients, especially those with multiple comorbidities under SMC.
Collapse
Affiliation(s)
- S Xi
- Department of Comprehensive Surgery, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China
| | - Z Chen
- Department of General Surgery, First Medical Center of Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China
| | - Q Lu
- Department of Comprehensive Surgery, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China
| | - C Liu
- Department of Comprehensive Surgery, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China
| | - L Xu
- Department of Comprehensive Surgery, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China
| | - C Lu
- Department of General Surgery, First Medical Center of Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China.
| | - R Cheng
- Department of Comprehensive Surgery, The Second Medical Center and National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, No. 28 Fu Xing Road, Beijing, 100853, China.
| |
Collapse
|
7
|
Dong XY, Zou YX, Lyu FF, Yang WH, Zhang HL, Niu YH, Wang HJ, Guo R, Wang X, Li L, Lin ZH, Luo L, Lu DL, Lu Q, Liu HM, Chen LN. [A multicenter study on respiratory pathogen detection with Mycoplasma pneumoniae pneumonia in children]. Zhonghua Er Ke Za Zhi 2024; 62:310-316. [PMID: 38527500 DOI: 10.3760/cma.j.cn112140-20240117-00054] [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: 03/27/2024]
Abstract
Objective: To analyze the status of respiratory pathogen detection and the clinical features in children with Mycoplasma pneumoniae pneumonia (MPP). Methods: A prospective, multicenter study was conducted to collect clinical data, including medical history, laboratory examinations and multiplex PCR tests of children diagnosed with MPP from 4 hospitals in China between November 15th and December 20th, 2023. The multiplex PCR results and clinical characteristics of MPP children in different regions were analyzed. The children were divided into severe and mild groups according to the severity of the disease. Patients in the severe group were further divided into Mycoplasma pneumoniae (MP) alone and Multi-pathogen co-detection groups based on whether other pathogens were detected besides MP, to analyze the influence of respiratory pathogen co-detection rate on the severity of the disease. Mann-Whitney rank sum test and Chi-square test were used to compare data between independent groups. Results: A total of 298 children, 136 males and 162 females, were enrolled in this study, including 204 children in the severe group with an onset age of 7.0 (6.0, 8.0) years, and 94 children in the mild group with an onset age of 6.5 (4.0, 7.8) years. The level of C-reactive protein, D-dimer, lactic dehydrogenase (LDH) were significantly higher (10.0 (5.0, 18.0) vs. 5.0 (5.0, 7.5) mg/L, 0.6 (0.4, 1.1) vs. 0.5 (0.3, 0.6) mg/L, 337 (286, 431) vs. 314 (271, 393) U/L, Z=2.02, 2.50, 3.05, all P<0.05), and the length of hospitalization was significantly longer in the severe group compared with those in mild group (6.0 (6.0, 7.0) vs. 5.0 (4.0, 6.0) d, Z=4.37, P<0.05). The time from onset to admission in severe MPP children was significantly shorter than that in mild MPP children (6.0 (5.0, 9.5) vs. 9.0 (7.0, 13.0) d, Z=2.23, P=0.026). All patients completed the multiplex PCR test, with 142 cases (47.7%) MPP children detected with 21 pathogens including adenovirus 25 cases (8.4%), human coronavirus 23 cases (7.7%), rhinovirus 21 cases (7.0%), Streptococcus pneumoniae 21 cases (7.0%), influenza A virus 18 cases (6.0%). The pathogens with the highest detection rates in Tianjin, Shanghai, Wenzhou and Chengdu were Staphylococcus aureus at 10.7% (8/75), adenovirus at 13.0% (10/77), adenovirus at 15.3% (9/59), and both rhinovirus and Haemophilus influenzae at 11.5% (10/87) each. The multi-pathogen co-detection rate in severe MPP children was significantly higher than that in mild MPP group (52.9% (108/204) vs. 36.2% (34/94), χ²=10.62,P=0.005). Among severe MPP children, there are 89 cases in the multi-pathogen co-detection group and 73 cases in the simple MPP group. The levels of LDH, D-dimer and neutrophil counts in the multi-pathogen co-detection group were significantly higher than those in the simple MPP group (348 (284, 422) vs. 307 (270, 358) U/L, 0.8 (0.5, 1.5) vs. 0.6 (0.4, 1.0) mg/L, 4.99 (3.66, 6.89)×109 vs. 4.06 (2.91, 5.65)×109/L, Z=5.17, 4.99, 6.11, all P<0.05). Conclusions: The co-detection rate of respiratory pathogens, LDH and D-dimer in children with severe MPP were higher than those with mild MPP. Among severe MPP children the stress response of children in co-detection group was more serious than that of children with simple MPP.
Collapse
Affiliation(s)
- X Y Dong
- Department of Pulmonology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Y X Zou
- Department of Pulmonology, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Machang District, Tianjin 300074, China
| | - F F Lyu
- Department of Pediatric Respiratory Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - W H Yang
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - H L Zhang
- Department of Pediatric Respiratory Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - Y H Niu
- Department of Pulmonology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - H J Wang
- Department of Pulmonology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - R Guo
- Department of Pulmonology, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Machang District, Tianjin 300074, China
| | - X Wang
- Department of Pulmonology, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Machang District, Tianjin 300074, China
| | - L Li
- Department of Pulmonology, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Machang District, Tianjin 300074, China
| | - Z H Lin
- Department of Pediatric Respiratory Medicine, the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - L Luo
- Department of Pediatric Pulmonology, Yaan People's Hospital, Yaan 625000, China
| | - D L Lu
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Q Lu
- Department of Pulmonology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - H M Liu
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - L N Chen
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| |
Collapse
|
8
|
Lu Q, Shi W, Zhang F, Ding Y. ATX1 and HUB1/2 promote recruitment of the transcription elongation factor VIP2 to modulate the floral transition in Arabidopsis. Plant J 2024. [PMID: 38446797 DOI: 10.1111/tpj.16707] [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] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 01/14/2024] [Accepted: 01/27/2024] [Indexed: 03/08/2024]
Abstract
Histone 2B ubiquitination (H2Bub) and trimethylation of H3 at lysine 4 (H3K4me3) are associated with transcription activation. However, the function of these modifications in transcription in plants remains largely unknown. Here, we report that coordination of H2Bub and H3K4me3 deposition with the binding of the RNA polymerase-associated factor VERNALIZATION INDEPENDENCE2 (VIP2) to FLOWERING LOCUS C (FLC) modulates flowering time in Arabidopsis. We found that RING domain protein HISTONE MONOUBIQUITINATION1 (HUB1) and HUB2 (we refer as HUB1/2), which are responsible for H2Bub, interact with ARABIDOPSIS TRITHORAX1 (ATX1), which is required for H3K4me3 deposition, to promote the transcription of FLC and repress the flowering time. The atx1-2 hub1-10 hub2-2 triple mutant in FRIGIDIA (FRI) background displayed early flowering like FRI hub1-10 hub2-2 and overexpression of ATX1 failed to rescue the early flowering phenotype of hub1-10 hub2-2. Mutations in HUB1 and HUB2 reduced the ATX1 enrichment at FLC, indicating that HUB1 and HUB2 are required for ATX1 recruitment and H3K4me3 deposition at FLC. We also found that the VIP2 directly binds to HUB1, HUB2, and ATX1 and that loss of VIP2 in FRI hub1-10 hub2-2 and FRI atx1-2 plants resulted in early flowering like that observed in FRI vip2-10. Loss of function of HUB2 and ATX1 impaired VIP2 enrichment at FLC, and reduced the transcription initiation and elongation of FLC. In addition, mutations in VIP2 reduced HUB1 and ATX1 enrichment and H2Bub and H3K4me3 levels at FLC. Together, our findings revealed that HUB1/2, ATX1, and VIP2 coordinately modulate H2Bub and H3K4me3 deposition, FLC transcription, and flowering time.
Collapse
Affiliation(s)
- Qianqian Lu
- Ministry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics; Chinese Academy of Sciences (CAS) Center for Excellence in Molecular Plant Sciences; School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui, 230027, China
| | - Wenwen Shi
- Ministry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics; Chinese Academy of Sciences (CAS) Center for Excellence in Molecular Plant Sciences; School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui, 230027, China
| | - Fei Zhang
- Ministry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics; Chinese Academy of Sciences (CAS) Center for Excellence in Molecular Plant Sciences; School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui, 230027, China
| | - Yong Ding
- Ministry of Education Key Laboratory for Membraneless Organelles and Cellular Dynamics; Chinese Academy of Sciences (CAS) Center for Excellence in Molecular Plant Sciences; School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui, 230027, China
| |
Collapse
|
9
|
Xu J, Li X, Lu Q, Li X, Shan H. HMGA1 regulates the mitochondrial apoptosis pathway in sepsis-induced cardiomyopathy. Cell Biochem Biophys 2024:10.1007/s12013-024-01236-6. [PMID: 38430408 DOI: 10.1007/s12013-024-01236-6] [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: 01/23/2024] [Accepted: 02/12/2024] [Indexed: 03/03/2024]
Abstract
High mobility group protein AT-hook 1 (HMGA1), an architectural transcription factor, has previously been reportedto play an essential role in architectural remodeling processes. However, its effects on cardiovascular diseases, particularly sepsis-induced cardiomyopathy, have remained unclear. The study aimed to investigate the role of HMGA1 in lipopolysaccharide-induced cardiomyopathy. Mice subjected to lipopolysaccharide for 12 h resulted in cardiac dysfunction. We used an adeno-associated virus 9 delivery system to achieve cardiac-specific expression of the HMGA1 gene in the mice. H9c2 cardiomyocytes were infected with Ad-HMGA1 to overexpress HMGA1 or transfected with si-HMGA1 to knock down HMGA1. Echocardiography was applied to measure cardiac function. RT-PCR was used to detect the transcriptional level of inflammatory cytokines. CD45 and CD68 immunohistochemical staining were used to detect inflammatory cell infiltration and TUNEL staining to evaluate the cardiomyocyte apoptosis, MitoSox was used to detect mitochondrial reactive oxygen species, JC-1 was used todetect Mitochondrial membrane potential. Our findings revealed that the overexpression of HMGA1 exacerbated myocardial inflammation and apoptosis in response to lipopolysaccharide treatment. Additionally, we also observed that H9c2 cardiomyocytes with HMGA1 overexpression exhibited enhanced inflammation and apoptosis upon stimulation with lipopolysaccharide for 12 h. Conversely, HMGA1 knockdown in H9c2 cardiomyocytes attenuated lipopolysaccharide-induced cardiomyocyte inflammation and apoptosis. Further investigations into the molecular mechanisms underlying these effects showed that HMGA1 promoted lipopolysaccharide-induced mitochondrial-dependent cardiomyocyte apoptosis. The study reveals that HMGA1 worsens myocardial inflammation and apoptosis in response to lipopolysaccharide treatment. Mechanically, HMGA1 exerts its effects by regulating the mitochondria-dependent apoptotic pathway.
Collapse
Affiliation(s)
- Jing Xu
- The First Affiliated Hospital of Shihezi University, Xinjiang, China
| | - Xinwei Li
- Changji Branch, First Affiliated Hospital of Xinjiang Medical University, Xinjiang, China
| | - Qianqian Lu
- The First Affiliated Hospital of Shihezi University, Xinjiang, China
| | - Xiaohua Li
- Medical School of Shihezi University, Xinjiang, China
| | - Hongying Shan
- The First Affiliated Hospital of Shihezi University, Xinjiang, China.
- Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China.
| |
Collapse
|
10
|
Lu Q, Wang N, Jiang K, Zhou H, Zhang P, Zhang J, Wang S, Sun P, Xu F. Comprehensive genomic profiling to identify actionable alterations for breast cancer brain metastases in the Chinese population. ESMO Open 2024; 9:102389. [PMID: 38460250 PMCID: PMC10940923 DOI: 10.1016/j.esmoop.2024.102389] [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: 11/06/2023] [Revised: 12/24/2023] [Accepted: 01/27/2024] [Indexed: 03/11/2024] Open
Abstract
BACKGROUND Breast cancer brain metastasis (BCBM) is a crucial issue in the treatment of breast cancer and is associated with poor prognosis. Therefore, novel therapeutic targets are urgently needed in clinical practice. In this study, we aimed to identify potential actionable targets in brain metastases (BMs) utilising the FoundationOne® CDx (F1CDx). PATIENTS AND METHODS Formalin-fixed paraffin-embedded archived specimens including 16 primary breast tumours (PTs), 49 BCBMs and 7 extracranial metastases (ECMs) from 54 patients who underwent surgery for BCBM were tested using F1CDx. Tumour-infiltrated lymphocytes (TILs) of BMs were also tested using haematoxylin-eosin staining. RESULTS The median tumour mutational burden (TMB) and TILs in BMs were 5.0 (range 0-29) mut/Mb and 1.0% (range 0%-5.0%), respectively. High TMB (≥10 mut/Mb) was detected in four cases (8%). Genomic alterations (GAs) were detected in all samples. The top-ranked somatic mutations in BMs were TP53 (82%), PIK3CA (35%), MLL2 (22%), BRCA2 (14%) and ATM (14%) and the most prevalent copy number alterations were ERBB2 (64%), RAD21 (36%), CCND1 (32%), FGF19 (30%) and FGF3 (30%). The most prevalent GAs were relatively consistent between paired PTs and BMs. Actionable GAs were detected in 94% of all BMs. Consistent rate in actionable GAs was 38% (6/16) between paired PTs/ECMs and BMs. Compared to matched PTs/ECMs, additional actionable GAs (BRAF, FGFR1, PTEN, KIT and CCND1) were discovered in 31% (5/16) of the BMs. CONCLUSIONS TMB and TILs were relatively low in BCBMs. Comparable consistency in actionable GAs was identified between BCBMs and matched PTs/ECMs. It was, therefore, logical to carry out genomic testing for BCBMs to identify potential new therapeutic targets when BCBM specimens were available, as ∼31% of samples carried additional actionable GAs.
Collapse
Affiliation(s)
- Q Lu
- Department of Radiology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - N Wang
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - K Jiang
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - H Zhou
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - P Zhang
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - J Zhang
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - S Wang
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China
| | - P Sun
- Department of Pathology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China.
| | - F Xu
- Department of Medical Oncology, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, P. R. China.
| |
Collapse
|
11
|
Zhao SY, Liu HM, Lu Q, Liu XC, Hong JG, Liu EM, Zou YX, Yang M, Chen ZM, Zhang HL, Zhao DY, Zhang XB, Yin Y, Dong XY, Lu XX, Liu JR, Chen LN. [Interpretation of key points in diagnosis and treatment of Mycoplasma pneumoniae pneumonia in children (November 2023)]. Zhonghua Er Ke Za Zhi 2024; 62:108-113. [PMID: 38228509 DOI: 10.3760/cma.j.cn112140-20231120-00382] [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] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Affiliation(s)
- S Y Zhao
- Department of No.2 Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing 100045, China
| | - H M Liu
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Q Lu
- Department of Pulmonology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - X C Liu
- Department of No.2 Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing 100045, China
| | - J G Hong
- Department of Pediatrics, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai 200080, China
| | - E M Liu
- Department of Respiratory, Children's Hospital of Chongqing Medical University, Chongqing 400014, China
| | - Y X Zou
- Department of Pulmonology, Tianjin Children's Hospital (Children's Hospital of Tianjin University), Machang Compus, Tianjin 300074, China
| | - M Yang
- Department of Pharmacy, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing 100045, China
| | - Z M Chen
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, Hangzhou 310052, China
| | - H L Zhang
- Department of Pediatric Respiratory Medicine, the Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China
| | - D Y Zhao
- Department of Respiratory Medicine, Children's Hospital of Nanjing Medical University, Nanjing 210008, China
| | - X B Zhang
- Department of Respiratory Disease, Children's Hospital of Fudan University, Shanghai 201102, China
| | - Y Yin
- Department of Respiratory Medicine, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - X Y Dong
- Department of Pulmonology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - X X Lu
- Department of Respiratory Medicine, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430015, China
| | - J R Liu
- Department of No.2 Respiratory Medicine, Beijing Children's Hospital, Capital Medical University, National Clinical Research Center for Respiratory Diseases, National Center for Children's Health, Beijing 100045, China
| | - L N Chen
- Department of Pediatric Pulmonology and Immunology, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| |
Collapse
|
12
|
Lu Q, Ding H, Liu L, Xu L, Kuang H, Xu C, Guo L. Immunochromatographic assay for rapid detection of flupyradifurone in grape, blueberry, and tomato samples. Food Chem 2024; 433:137328. [PMID: 37690139 DOI: 10.1016/j.foodchem.2023.137328] [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: 07/02/2023] [Revised: 08/17/2023] [Accepted: 08/28/2023] [Indexed: 09/12/2023]
Abstract
Flupyradifurone (FPF) is a neonicotinoid insecticide that effectively controls the spread of various pests. In this study, we established an immunochromatographic assay based on a highly specific and sensitive anti-FPF monoclonal antibody (mAb) to screen for FPF residues in grapes, blueberries, and tomatoes. The cut-off value for the immunochromatographic assay was 5 mg/kg for grapes and 10 mg/kg for blueberries and tomatoes. The calculated limit of detection of the immunochromatographic assay was 0.009 mg/kg, 0.033 mg/kg, and 0.040 mg/kg for grapes, blueberries, and tomatoes, respectively. The recovery rates of the immunochromatographic assay were 97.0-108.2 % in grape samples, 90.9-105.1 % in blueberry samples, and 94.0-103.7 % in tomato samples, and the detection results were highly consistent with LC-MS/MS results. Therefore, this immunochromatographic assay was an effective and rapid tool for screening for FPF in grapes, blueberries, and tomatoes.
Collapse
Affiliation(s)
- Qianqian Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hongliu Ding
- Key Laboratory of Food Safety Rapid Detection Technology and Product Evaluation for Market Regulation of Jiangsu Province, Suzhou, Jiangsu 215133, China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Liguang Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hua Kuang
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| | - Lingling Guo
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
| |
Collapse
|
13
|
Zhang M, Shi X, Zhang B, Zhang Y, Chen Y, You D, Zhao H, Lu Q, Ma Y. Predictive value of cytokines combined with human neutrophil lipocalinin acute ischemic stroke-associated pneumonia. BMC Neurol 2024; 24:30. [PMID: 38233767 PMCID: PMC10792925 DOI: 10.1186/s12883-023-03488-w] [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] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 12/05/2023] [Indexed: 01/19/2024] Open
Abstract
OBJECTIVE To explore the predictive value of interleukin-6 (IL-6) combined with human neutrophil lipocalin (HNL) of stroke-associated pneumonia (SAP) in patients who were diagnosed with acute ischemic stroke (AIS). METHODS 108patients were divided into two groups: pneumonia group (52 cases) and non-pneumonia group (56 cases), according to whether the patients developed SAP within 7 days of admission. General information was compared between the two groups, like age, gender, history of hypertension, diabetes mellitus, cardiovascular disease, dysphagia, smoking and alcoholhistory. Clinical data were recorded and compared, including lipid profile, interleukin-6 (IL-6), homocysteine (Hcy), National Institutes of Health Stroke Scale (NIHSS) score, and HNL. Multivariate Logistic regression analysis was used to screen the risk factors of AIS-AP, and the predictive value of IL-6 and HNL alone and in combination was evaluated by receiver operating characteristic curve (ROC curve). RESULTS Logistic regression analysis showed that dysphagia (OR,0.018; 95% CI, 0.001 ~ 0.427; P = 0.013), increased NIHSS scores(OR,0.012; 95% CI, 0.000 ~ 0.434; P = 0.016), and high levels of IL-6 (OR,0.014; 95% CI, 0.000 ~ 0.695; P = 0.032)and HNL (OR,0.006; 95% CI, 0.000 ~ 0.280; P = 0.009) were independent risk factors for SAP with significant difference (all P < 0.05). According to the ROC curve analysis of IL-6, the area under the curve (AUC) was 0.881 (95% CI: 0.820 ~ 0.942), and the optimal cutoff value was 6.89 pg/mL with the sensitivity of 73.1% and specificity of 85.7%. As for the ROC curve analysis of HNL, the AUC was 0.896 (95% CI: 0.839 ~ 0.954), and the best cutoff value was 99.66ng/mL with the sensitivity of 76.9% and specificity of 89.3%. The AUC of the combination of IL-6 and HNL increased to 0.952 (95% CI: 0.914 ~ 0.989), and the sensitivity and specificity increased to 80.8% and 92.9%, respectively. CONCLUSION In this research, the levels of IL-6 ≥ 6.89 pg/mL and HNL ≥ 99.66ng/mL were considered as risk factors for AIS patients complicated with SAP. The combined detection had higher predictive value for patients with SAP, which may help to identify who were in highrisk.
Collapse
Affiliation(s)
- Mingming Zhang
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Xiaoqian Shi
- Department of Clinical Laboratory, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Bin Zhang
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Yingqi Zhang
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Ying Chen
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China.
- , No.89 Donggang Road, Shijiazhuang, 050031, Hebei, China.
| | - Daofeng You
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Hongmin Zhao
- Department of General Practice, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Qianqian Lu
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| | - Yanrong Ma
- Department of Emergency, The First Hospital of Hebei Medical Univerisity, Shijiazhuang, China
| |
Collapse
|
14
|
Han C, Zhao F, Lu Q, Liu F. Computational Determination of the Mechanism of the Palladium-Catalyzed Domino Reaction of ortho-Iodostyrene, Oxanorbornadiene, and Phenylboronic Acid. J Org Chem 2023; 88:15608-15614. [PMID: 37905531 DOI: 10.1021/acs.joc.3c01522] [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: 11/02/2023]
Abstract
The palladium-catalyzed three-component domino reaction of ortho-iodostyrene, 2,3-dicarbomethoxy-7-oxanorbornadiene (ONBD), and phenylboronic acid discovered by the Lautens group provides a convenient method to synthesize indenes derivatives. Herein, density functional theory (DFT) calculations were employed to explore the detailed mechanism of this domino reaction. The computational results suggest that the alkene-insertion-first and the transmetalation-first mechanisms are competitive, and the former mechanism is slightly more favorable because of the difficult intramolecular alkene insertion of the alkyl-PdII-aryl than alkyl-PdII-I complex. Further analysis on substituents of ONBD unveils the impacts of noncovalent interactions and electronic effect on the rate-determining retro-Diels-Alder process. The understanding of this domino reaction has important implications for developing a novel palladium-catalyzed domino reaction with a retro-Diels-Alder strategy.
Collapse
Affiliation(s)
- Chunyu Han
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Fengyue Zhao
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Qianqian Lu
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Fang Liu
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| |
Collapse
|
15
|
Ren LH, Ge M, Ding J, Zhu H, Li YY, Lu Q, Yu T, Shi RH. [Safety and efficacy of yellow zebra guide wire exchange system in the treatment of complete upper digestive stenosis]. Zhonghua Yi Xue Za Zhi 2023; 103:3133-3135. [PMID: 37840185 DOI: 10.3760/cma.j.cn112137-20230531-00899] [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: 10/17/2023]
Abstract
To investigate the efficacy and safety of yellow zebra guide wire exchange system in the treatment of complete upper digestive stenosis. To analyze the success rate and adverse events, a retrospective analysis was conducted on patients with complete digestive stenosis in Zhongda Hospital Affiliated to Southeast University from May 2019 to April 2023 and the First Affiliated Hospital of Nanjing Medical University from August 2011 to March 2015. A total of 41 patients were included, including 25 males and 16 females, aged (65±12) years (28-94 years). Among them, 40 patients were successfully inserted with yellow zebra guide wire and underwent endoscopic treatment using the outer tube replacement with hard steel wire, with 97.6% (40/41) effective rate. Eleven patients (27.5%) were accompanied by varying degrees of retrosternal pain, without complications such as bleeding or perforation.
Collapse
Affiliation(s)
- L H Ren
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - M Ge
- Department of General Practice, Unit 32051, the People's Liberation Army, Wuxi 214000, China
| | - J Ding
- Department of Gastroenterology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - H Zhu
- Department of Gastroenterology, the First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Y Y Li
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - Q Lu
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - T Yu
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - R H Shi
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| |
Collapse
|
16
|
Yan W, Mourad WF, Shi Z, Yang J, Lu Q, Qi W, Tubin S, Hanlon A, Wu X, Chen X. The Safety and Efficacy of SCART for Bulky Metastatic or Recurrent Cancer, a Phase I Study. Int J Radiat Oncol Biol Phys 2023; 117:e158. [PMID: 37784750 DOI: 10.1016/j.ijrobp.2023.06.986] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) We are proposing a new treatment methodology, (called Stereotactic Centralized Ablative Radiation Therapy, (SCART), for bulky or metastatic tumors, which is based on the principles of SFRT, by using SBRT methods to deliver an ablative radiation dose to the central portion of the target while keeping the dose to surrounding normal tissue to a relatively low level. We performed a prospective dose escalation study of SCART for bulky metastatic or recurrent cancer. The purpose of the study was to determine dose-limiting toxicities (DLTs) and the Maximum Tolerated Dose (MTD) of SCART. MATERIALS/METHODS This study was registered at ClinicalTrials.gov Identifier: NCT0488198, and approved at Foshan Chancheng Hospital. Patients with unresectable solid "bulky" nonhematological malignancies with limited treatment options were enrolled and received SCART with a prescription to the central spot in the tumor with a peripheral dose to the tumor edge at around 20% isodose line of the prescription dose. Five dose levels were proposed. The primary endpoint was the maximum tolerated dose (MTD), defined as the highest dose where zero of three or one of six patients experienced grade 3 dose-limiting toxicity (DLT), scored according to the Common Toxicity Criteria for Adverse Events v. 4.03, up to 6 months after SCART. RESULTS A total of 21 patients received SCART and have eligible data for study follow-up. The dose was escalated for two patients to 24 GyX3. No grade 3 toxicity was observed in any of the enrolled patients. The median SCART dose was 18 Gy (range: 15 - 24). Six out of the 18 patients with data for overall survival (OS) died, and the median time to death was 16.29 months (range: 0.99 - 25.58). Three patients out of the 15 patients with available data for local recurrence (LR) were found to have an LR and the median time to LR was 16.01 months (range: 0.99 - 25.58). There appears to be a trend of tumors decreasing from the patient's first visit date, or pre-SCART, to their final volume post-SCART. The mean percent change for tumor shrinkage between first visit volumes and post-SCART volumes was 49.49% (SD: 40.89, p-value:0.009). Of 15 patients with available data for progression free survival, 9 had a local recurrence or were deceased. Estimated median survival (i.e., when survival is 50%) was equal to16.80 months (95% CI = 13.90, NA). The survival rate at 12 months and 24 months were72.22% and 24.07%, respectively. Of 15 patients with available data for time to local recurrence, 3 people had a local recurrence. The percent of patients that were free from local recurrence at one and two years after the beginning of SCART treatment was 85.56% for both. CONCLUSION Despite the high dose delivered and the excellent local control achieved; the incidence of Any toxicity was unexpectedly low. Multiple courses of SCART are possible. The optimal dose, volume and timing of SCART still need more study.
Collapse
Affiliation(s)
- W Yan
- Baptist Health System, Corbin, KY
| | - W F Mourad
- University of Kentucky Department of Radiation Medicine, Lexington, KY
| | - Z Shi
- School of Medicine, Texas Tech University Health Sciences Center, Radiation Oncology Clinic, UMC Cancer Center, Lubbock, TX
| | - J Yang
- Junxin Oncology Group, Guangzhou, China
| | - Q Lu
- Junxin Oncology Group, Guangzhou, China
| | - W Qi
- Junxin Oncology Group, Guangzhou, China
| | - S Tubin
- Medaustron - The Center for Ion Therapy and Research, Wiener Neustadt, Austria
| | | | - X Wu
- Executive Medical Physics Associates, Miami, FL
| | - X Chen
- Indiana University, Indianapolis, IN
| |
Collapse
|
17
|
Bi T, Lu Q, Pan X, Dong F, Hu Y, Xu Z, Xiu P, Liu Z, Li J. circFAM134B is a key factor regulating reticulophagy-mediated ferroptosis in hepatocellular carcinoma. Cell Cycle 2023; 22:1900-1920. [PMID: 37603831 PMCID: PMC10599178 DOI: 10.1080/15384101.2023.2249302] [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: 03/17/2023] [Revised: 05/25/2023] [Accepted: 08/04/2023] [Indexed: 08/23/2023] Open
Abstract
Ferroptosis is an important mode of regulated cell death (RCD). Its inhibition is closely related to therapeutic resistance and poor prognosis in hepatocellular carcinoma (HCC). Previous reports have demonstrated ferroptosis as a biological process highly dependent on selective autophagy, such as ferritinophagy, lipophagy, and clockophagy. Our study also revealed a role for ER-phagy-mediated ferroptosis in HCC cells treated with multi-targeted tyrosine kinase inhibitors (TKIs). In the current study, we found that the homologous circular RNA (circRNA) of the family with sequence similarity 134, member B (FAM134B), hsa_circ_0128505 (was abbreviated as circFAM134B in the present study), was identified to specifically target ER-phagy to promote lenvatinib (LV)-induced ferroptosis using reactive oxygen species (ROS), Fe2+, malondialdehyde (MDA), and western blot (WB) assays in HCC cells. RNA pull-down and mass spectrometry analyses suggested that circFAM134B and FAM134B mRNA were enriched with several common interacting proteins. Among them, poly (A) binding protein cytoplasmic 4 (PABPC4) was identified as the most enriched binding partner. It was proven to be a novel antagonist against the nonsense-mediated mRNA decay (NMD) mechanism. We then applied RNA immunoprecipitation (RIP), RNA pull-down, luciferase reporter, and NMD reporter gene assays to further explore the exact role and underlying mechanism of circFAM134B-PABPC4-FAM134B axis in HCC cells. circFAM134B was confirmed as a sponge that competitively interacted with PABPC4, thereby influencing FAM134B mRNA nonsense decay. Our results provide novel evidences and strategies for the comprehensive treatment of HCC.
Collapse
Affiliation(s)
- Tao Bi
- Department of Hepatobiliary Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
- Department of Gastrointestinal Surgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Qianqian Lu
- Department of Oncology, Yantai Affiliated Hospital of Binzhou Medical University, Yantai, China
| | - Xiaohong Pan
- School of Pharmacy, Binzhou Medical University, Yantai, China
| | - Fenglin Dong
- Department of Hepatobiliary Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Yejia Hu
- Department of Pathophysiology, School of Basic Medicine, Binzhou Medical University, Yantai, China
| | - Zongzhen Xu
- Department of Hepatobiliary Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Peng Xiu
- Department of Hepatobiliary Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Zhiqian Liu
- Department of Hepatobiliary Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Jie Li
- Department of Hepatobiliary Surgery, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| |
Collapse
|
18
|
Zheng R, Zhu F, Cheng C, Huang W, Zhang H, He X, Lu Q, Xi H, Shen K, Yu H. 3D Printing-Assisted versus Conventional Extracorporeal Fenestration Tevar for Stanford Type B Arteries Dissection with Undesirable Proximal Anchoring Zone: Efficacy Analysis. Heart Surg Forum 2023; 26:E363-E371. [PMID: 37679083 DOI: 10.59958/hsf.5885] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 08/06/2023] [Indexed: 09/09/2023]
Abstract
BACKGROUND To compare the outcomes of two Thoracic Endovascular Aortic Repair (TEVAR) techniques of Left Subclavian Artery (LSA) reconstruction for Stanford Type B Aortic Dissection (TBAD) patients with undesirable proximal anchoring zone. METHODS We retrospectively reviewed 57 patients with TBAD who underwent either three dimensional (3D)-printing-assisted extracorporeal fenestration (n = 32) or conventional extracorporeal fenestration (n = 25) from December 2021 to January 2023. We compared their demographic characteristics, operative time, technical success rate, complication rate, secondary intervention rate, mortality rate, and aortic remodeling. RESULTS Compared with the conventional group, the 3D-printing-assisted group had a significantly shorter operative time (147.84 ± 33.94 min vs. 223.40 ± 65.93 min, p < 0.001), a significantly lower rate of immediate endoleak (3.1% vs. 24%, p = 0.048) and a significantly higher rate of true lumen diameter expansion in the stent-graft segment (all p < 0.05), but a significantly longer stent graft modification time (37.63 ± 2.99 min vs. 28.4 ± 2.12 min, p < 0.001). There were no significant differences in other outcomes between the two groups (p > 0.05). The degree of false lumen thrombosis was higher in the stent-graft segment than in the non-stent-graft segment in both groups and the difference was statistically significant (X2 = 5.390, 4.878; p = 0.02, 0.027). CONCLUSIONS Both techniques are safe and effective for TBAD with an undesirable proximal landing zone. The 3D-printing-assisted extracorporeal fenestration TEVAR technique has advantages in operative time, endoleak risk, and aortic remodeling, while the traditional extracorporeal fenestration TEVAR technique has advantages in stent modification.
Collapse
Affiliation(s)
- Rongyi Zheng
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Fangtao Zhu
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Cunwei Cheng
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Weihua Huang
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Haojie Zhang
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Xin He
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Qianqian Lu
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Huayuan Xi
- The Fifth Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Kailin Shen
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| | - Haibin Yu
- The Second Affiliated Hospital of Zhengzhou University, 450000 Zhengzhou, Henan, China.
| |
Collapse
|
19
|
Lu Q, Yu H, Zhao T, Zhu G, Li X. Nanoparticles with transformable physicochemical properties for overcoming biological barriers. Nanoscale 2023; 15:13202-13223. [PMID: 37526946 DOI: 10.1039/d3nr01332d] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
In recent years, tremendous progress has been made in the development of nanomedicines for advanced therapeutics, yet their unsatisfactory targeting ability hinders the further application of nanomedicines. Nanomaterials undergo a series of processes, from intravenous injection to precise delivery at target sites. Each process faces different or even contradictory requirements for nanoparticles to pass through biological barriers. To overcome biological barriers, researchers have been developing nanomedicines with transformable physicochemical properties in recent years. Physicochemical transformability enables nanomedicines to responsively switch their physicochemical properties, including size, shape, surface charge, etc., thus enabling them to cross a series of biological barriers and achieve maximum delivery efficiency. In this review, we summarize recent developments in nanomedicines with transformable physicochemical properties. First, the biological dilemmas faced by nanomedicines are analyzed. Furthermore, the design and synthesis of nanomaterials with transformable physicochemical properties in terms of size, charge, and shape are summarized. Other switchable physicochemical parameters such as mobility, roughness and mechanical properties, which have been sought after most recently, are also discussed. Finally, the prospects and challenges for nanomedicines with transformable physicochemical properties are highlighted.
Collapse
Affiliation(s)
- Qianqian Lu
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai 200433, P. R. China.
| | - Hongyue Yu
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai 200433, P. R. China.
| | - Tiancong Zhao
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai 200433, P. R. China.
| | - Guanjia Zhu
- Institute of Nanochemistry and Nanobiology, Shanghai University, Shanghai 200444, P. R. China.
| | - Xiaomin Li
- Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai 200433, P. R. China.
| |
Collapse
|
20
|
Tao XH, Xu T, Lu Q, Yang WD, Hu YQ, Fu WZ, Yue H, Zhang ZL. [Paget's disease of bone with SQSTM1 and HNRNPA2B1 gene mutations: report of 2 cases]. Zhonghua Nei Ke Za Zhi 2023; 62:1021-1025. [PMID: 37528043 DOI: 10.3760/cma.j.cn112138-20220901-00648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Affiliation(s)
- X H Tao
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - T Xu
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - Q Lu
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - W D Yang
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - Y Q Hu
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - W Z Fu
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - H Yue
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| | - Z L Zhang
- Department of Osteoporosis and Bone Diseases, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Research Center of Bone Disease, Shanghai 200233, China
| |
Collapse
|
21
|
Zhao F, Li Y, Houk KN, Lu Q, Liu F. Computational Elucidation on the Conformational Control of Selectivity in Intramolecular Ring-Closing Metathesis vs Intermolecular Homometathesis. J Org Chem 2023. [PMID: 37364253 DOI: 10.1021/acs.joc.3c00466] [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: 06/28/2023]
Abstract
The ring-closing metathesis reaction of diene plays an important role in the construction of cyclic compounds. In this research, density functional theory (DFT) calculations were conducted to elucidate the mechanisms and origins of the selectivity of ring-closing metathesis and homometathesis. The computational results suggest that the selectivity is determined by the substrate conformation. For the ester-tethered substrate, the homometathesis is more favorable, due to the planar structure of ester facilitating the conjugative effect of the formed E-homometathesis product. For the amide-tethered substrate, the ring-closing metathesis product is the only observed product because the steric hindrance of N-substituents disfavors homometathesis.
Collapse
Affiliation(s)
- Fengyue Zhao
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Yixuan Li
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Qianqian Lu
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Fang Liu
- College of Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| |
Collapse
|
22
|
Liang L, Zhang H, Lu Q, Zhou C, Li S. [Advanced Faster RCNN: a non-contrast CT-based algorithm for detecting pancreatic lesions in multiple disease stages]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:755-763. [PMID: 37313817 DOI: 10.12122/j.issn.1673-4254.2023.05.11] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To propose a non-contrast CT-based algorithm for automated and accurate detection of pancreatic lesions at a low cost. METHODS With Faster RCNN as the benchmark model, an advanced Faster RCNN (aFaster RCNN) model for pancreatic lesions detection based on plain CT was constructed. The model uses the residual connection network Resnet50 as the feature extraction module to extract the deep image features of pancreatic lesions. According to the morphology of pancreatic lesions, 9 anchor frame sizes were redesigned to construct the RPN module. A new Bounding Box regression loss function was proposed to constrain the training process of RPN module regression subnetwork by comprehensively considering the constraints of the lesion shape and anatomical structure. Finally, a detection frame was generated using the detector in the second stage. The data from a total of 728 cases of pancreatic diseases from 4 clinical centers in China were used for training (518 cases, 71.15%) and testing (210 cases, 28.85%) of the model. The performance of aFaster RCNN was verified through ablation experiments and comparison experiments with 3 classical target detection models SSD, YOLO and CenterNet. RESULTS The aFaster RCNN model for pancreatic lesion detection achieved recall rates of 73.64% at the image level and 92.38% at the patient level, with an average precision of 45.29% and 53.80% at the image and patient levels, respectively, which were higher than those of the 3 models for comparison. CONCLUSION The proposed method can effectively extract the imaging features of pancreatic lesions from non-contrast CT images to detect the pancreatic lesions.
Collapse
Affiliation(s)
- L Liang
- School of Biomedical Engineering, Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, Guangzhou 510515, China
| | - H Zhang
- General Surgery Center, Second Department of Hepatobiliary Surgery, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Q Lu
- Department of Ultrasound, Yancheng Third People's Hospital, Yancheng 224008, China
| | - C Zhou
- General Surgery Center, Second Department of Hepatobiliary Surgery, Guangdong Provincial Research Center for Artificial Organ and Tissue Engineering, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - S Li
- School of Biomedical Engineering, Guangdong Provincial Key Laboratory of Medical Image Processing, Southern Medical University, Guangzhou 510515, China
| |
Collapse
|
23
|
Lu Q, Chai Y, Ren L, Ren P, Zhou J, Lin C. Research on quality evaluation of innovation and entrepreneurship education for college students based on random forest algorithm and logistic regression model. PeerJ Comput Sci 2023; 9:e1329. [PMID: 37346726 PMCID: PMC10280670 DOI: 10.7717/peerj-cs.1329] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 03/15/2023] [Indexed: 06/23/2023]
Abstract
The quality evaluation of innovation and entrepreneurship (I&E) in the education sector is achieving worldwide attention as empowering nations with high quality talents is quintessential for economic progress. China, a pioneer in the world market in almost all sectors have transformed its educational policies and incorporated entrepreneurial skills as a part of their education models to further catalyst the country's economic progress. This research focuses on building a novel hybrid Machine Learning (ML) model by integrating two powerful algorithms namely Random Forest (RF) and Logistic Regression (LR) to assess the intensity of the I&E in education from the data acquired from 25 leading Higher Educational Institution's (HEI) in different provinces. The major contributions to the work are, (1) construction of quality index for each topic of interest using individual RF, (2) ranking the indicators based on the quality index to assess the strength and weaknesses, (3) and finally use the LR algorithm study the quality of each indicator. The efficacy of the proposed hybrid model is validated using the benchmark classification metrics to assess its learning and prediction performance in evaluating the quality of I&E education. The result of the research portrays that the universities have now started to integrate entrepreneurship skills as a part of the curriculum, which is evident from the better ranking of the topic curriculum development which is followed by the enrichment of skills. This comprehensive research will help the institutions to identify the potential areas of growth to boost the economic development and improve the skill set necessary for I&E education among college students.
Collapse
Affiliation(s)
- Qianqian Lu
- Administrative Office, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, China
| | - Yongxiang Chai
- School of Information, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, China
| | - Lihui Ren
- Department of Public Physical Education, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, China
| | - Pengyu Ren
- Department of Public Physical Education, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, China
| | - Junhui Zhou
- Department of Public Physical Education, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, China
| | - Chunlei Lin
- Department of Education and Engineering, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang, China
| |
Collapse
|
24
|
Mao J, Lu Q, Li P, Shi S, Li J, Li Y, Chen S, Xie X. CCDC3 Gene Regulates the Proliferation of Breast Cancer Cells. Bull Exp Biol Med 2023; 174:653-658. [PMID: 37052857 DOI: 10.1007/s10517-023-05763-9] [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: 03/22/2022] [Indexed: 04/14/2023]
Abstract
We studied the effect of CCDC3 on the viability of human breast cancer cell line MDA-MB-231. The levels of CCDC3 mRNA and the corresponding protein in MDA-MB-231, MCF-7, T-47D, and HCC1937 cell lines were measured by reverse transcription quantitative real-time PCR and Western blotting. Since MDA-MB-231 cells had higher expression of mRNA CCDC3 and CCDC3 protein, we used this cell line for transfection with small interfering RNA by lentivirus. Cell Counting Kit-8 and clone formation assay were used to detect the effects of CCDC3 knockdown on cell viability; flow cytometry was used to detect the effects of CCDC3 knockdown on cell apoptosis and cell cycle. In MDA-MB-231 cell line, the CCDC3 protein level was significantly down-regulated after CCDC3 knockdown in comparison with the control group (p<0.05). The cell viability and the number of clones in the CCDC3 knockdown group were significantly reduced (p<0.05), while the apoptosis rate significantly increased (p<0.05). Thus, after CCDC3 knockdown, cell viability is weakened in MDA-MB-231 cells, and cell apoptosis rate is increased. Therefore, CCDC3 gene is promising as a new candidate target for BC treatment.
Collapse
Affiliation(s)
- J Mao
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Q Lu
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - P Li
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - S Shi
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - J Li
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - Y Li
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - S Chen
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China
| | - X Xie
- The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan Province, China.
| |
Collapse
|
25
|
Li J, Hu N, Zhang Y, Yang X, Deng M, Gong W, Yin L, Liu Y, Gao Y, Wei W, Wang X, Liang X, Ma Y, Sang X, Liu C, Wang J, Lu Q, Song F, Yuan X, Wang Y, Li J, Jin W, Liu X, Song X. Abstract 6158: BGB-24714, a novel oral IAP antagonist, displayed significant anti-tumor activities in preclinical models as a monotherapy and in combination with paclitaxel. Cancer Res 2023. [DOI: 10.1158/1538-7445.am2023-6158] [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: 04/07/2023]
Abstract
Abstract
Background: Evasion of apoptosis is identified as one of the essential hallmarks of cancer and upregulation of inhibitor of apoptosis proteins (IAPs) is one of the mechanisms by which tumor cells evade apoptosis. An oral SMAC mimetic and antagonist of cellular IAP1 (cIAP1) and X-linked IAP (XIAP), BGB-24714, is currently investigated in a phase 1a/1b oncology trial in patients with advanced or metastatic solid tumors (NCT05381909). Here, we evaluated the anti-tumor activity of BGB-24714 as a single agent or in combination with paclitaxel in preclinical models.
Results: BGB-24714 effectively inhibited cIAP1 by inducing its degradation in MDA-MB-231 cells, with an EC50 of 2.5 nM. BGB-24714 also potently antagonized the inhibitory interaction of XIAP with caspase-9 and induced caspase-9 autoactivation in MDA-MB-231 cells, with an EC50 of 23 nM. In a total of 25 breast cancer cell lines treated with TNFα, BGB-24714 potently inhibited the in vitro proliferation of 5 breast cancer cells with EC50 < 100 nM. In pharmacodynamics studies, single dose administration of BGB-24714 significantly induced degradation of cIAP1 and antagonism of the XIAP: Smac interaction in the MDA-MB-231 xenograft model in a dose dependent manner. Using the same model, BGB-24714 exhibited dose-dependent anti-tumor activities as a single agent. The tumor growth inhibition rates were 30%, 52% and 73% in low to high dosage treatment groups. Furthermore, BGB-24714 at medium dosage level demonstrated synergized anti-tumor activity in HCC1806 xenograft model when used in combination with paclitaxel. In intermittent dosing study, BGB-24714 with the intermittent dosing schedule demonstrated significant but slightly less effective anti-tumor activity than the continuous dosing schedule. In summary, BGB-24714, as a novel oral IAP antagonist, showing significant anti-tumor activities in preclinical models, which is promising and warrants the testing of the compound in human.
Citation Format: Jie Li, Nan Hu, Yilu Zhang, Xiaolong Yang, Minjuan Deng, Wenfeng Gong, Longbo Yin, Yong Liu, Yajuan Gao, Wei Wei, Xing Wang, Xinyi Liang, Yanwen Ma, Xuxing Sang, Chang Liu, Jingyuan Wang, Qianqian Lu, Fengtao Song, Xi Yuan, Yibing Wang, Jing Li, Wei Jin, Xuesong Liu, Xiaomin Song. BGB-24714, a novel oral IAP antagonist, displayed significant anti-tumor activities in preclinical models as a monotherapy and in combination with paclitaxel [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2023; Part 1 (Regular and Invited Abstracts); 2023 Apr 14-19; Orlando, FL. Philadelphia (PA): AACR; Cancer Res 2023;83(7_Suppl):Abstract nr 6158.
Collapse
Affiliation(s)
- Jie Li
- 1BeiGene Ltd., Shanghai, China
| | - Nan Hu
- 2BeiGene Ltd., Beijing, China
| | | | | | | | | | | | | | | | - Wei Wei
- 2BeiGene Ltd., Beijing, China
| | | | | | | | | | | | | | | | | | - Xi Yuan
- 2BeiGene Ltd., Beijing, China
| | | | - Jing Li
- 2BeiGene Ltd., Beijing, China
| | - Wei Jin
- 2BeiGene Ltd., Beijing, China
| | | | | |
Collapse
|
26
|
Lu Q, Xu X, Guo L, Song S, Liu L, Zhu Y, Kuang H, Xu C, Xu L. Rapid and sensitive detection of chlordimeform in cucumber and tomato samples using an immunochromatographic assay. Analyst 2023; 148:780-786. [PMID: 36683457 DOI: 10.1039/d2an01923j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Chlordimeform (CDM) is a broad-spectrum and highly effective insecticide and acaricide used to control pests in agriculture. We produced two monoclonal antibodies (mAbs) against CDM and developed an immunochromatographic assay to screen CDM in cucumbers and tomatoes. MAb 4A3 had high sensitivity with a 50% inhibitory concentration of 0.287 ng mL-1. The assay had a cut-off value of 25 μg kg-1 and a visual limit of detection (vLOD) of 1 μg kg-1 in cucumbers and a cut off value of 50 μg kg-1 and a vLOD of 2.5 μg kg-1 in tomatoes. The calculated limit of detection (cLOD) in cucumbers and tomatoes was 0.115 μg kg-1 and 0.215 μg kg-1, respectively. The recovery rates were 97.9% to 106.9% for cucumbers and 97.8% to 107.4% for tomatoes, consistent with the results obtained from indirect competitive ELISA. Our findings showed that the immunochromatographic assay is an efficient and accurate method for CDM detection in cucumbers and tomatoes.
Collapse
Affiliation(s)
- Qianqian Lu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Lingling Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Shanshan Song
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Yingyue Zhu
- School of Biotechnology and Food Engineering, Changshu Institute of Technology, Changshu, Jiangsu, 215500, People's Republic of China.
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| | - Liguang Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China. .,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, People's Republic of China
| |
Collapse
|
27
|
Lu Q, Yang X, Li K, Sun H. Effect of adjuvant therapy on non-metastatic high risk upper urothelial carcinoma after radical nephroureterectomy: A single-center retrospective analysis. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00556-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
|
28
|
Lu Q, Yang X, Cai L. Predicting the MIBC in stalked tumor of VI-RADS 2 using nomogram of MRI characteristics. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)01105-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
|
29
|
Lu Q, Yang X, Cai L, Zheng B, Chen X, Liang Y, Xin Y, Ma T. Performance of the OncoUrine test on the predictive capacity of non-muscle-invasive bladder cancer patients candidate for repeated transurethral resection. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00650-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
|
30
|
Lu Q, Zhao R, Li Q, Ma Y, Chen J, Yu Q, Zhao D, An S. Elemental composition and microbial community differences between wastewater treatment plant effluent and local natural surface water: A Zhengzhou city study. J Environ Manage 2023; 325:116398. [PMID: 36244289 DOI: 10.1016/j.jenvman.2022.116398] [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: 07/07/2022] [Revised: 09/06/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Wastewater treatment plant (WWTP) effluent is discharged into rivers as supplemental water, which may result in ecological risk. This study compares the element composition and microbial community of WWTP effluent and natural surface water (NSW) and reveals the potential ecological risk of WWTP effluent discharge. Twenty recently upgraded WWTPs and three relatively large reservoirs in Zhengzhou city, China, were selected. The contents of N, P, S, K, Ca, Mg, B, Si, Na, Fe, Mn, Co, Ni and Sn were significantly higher in WWTP effluent than in NSW, while those of Mo, V, Pb and Cd were significantly lower. There was no significant difference between WWTP effluent and NSW in terms of the element imbalance index (IMI) (representing the extent of imbalance of element proportions) relative to the class IV surface water quality standard (the control standard for most Chinese rivers). The macronutrient IMI relative to the Hoagland formula was significantly lower in WWTP effluent than in NSW, and WWTP effluent discharge could significantly lower this index in NSW; this may be an important cause of primary productivity explosion. The microbial diversity was significantly higher in WWTP effluent than in NSW. The predicted relative abundances of mobile genetic elements and oxidative-stress-tolerant phenotypes were significantly higher in WWTP effluent than in NSW, whereas the abundance of gram-negative phenotypes was significantly lower, and that of potential pathogenic phenotypes was slightly lower. The effluent from upgraded WWTPs exhibited a low risk of pathogen diffusion but a high risk of antibiotic resistance gene diffusion. The element composition and microbial community should be considered when evaluating the ecological risk of WWTP effluent discharge.
Collapse
Affiliation(s)
- Qianqian Lu
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| | - Ran Zhao
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| | - Qiming Li
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| | - Yu Ma
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| | - Jing Chen
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| | - Qi Yu
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| | - Dehua Zhao
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China.
| | - Shuqing An
- Department of Biological Science and Technology, Nanjing University, Nanjing, 210093, PR China
| |
Collapse
|
31
|
Lu Q, Zhou X, Liu R, Shi G, Zheng N, Gao G, Wang Y. Impacts of a bacterial algicide on metabolic pathways in Chlorella vulgaris. Ecotoxicol Environ Saf 2023; 249:114451. [PMID: 38321670 DOI: 10.1016/j.ecoenv.2022.114451] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 05/29/2022] [Revised: 10/04/2022] [Accepted: 12/16/2022] [Indexed: 02/08/2024]
Abstract
Chlorella is a dominant species during harmful algal blooms (HABs) worldwide, which bring about great environmental problems and are also a serious threat to drinking water safety. Application of bacterial algicides is a promising way to control HABs. However, the identified bacterial algicides against Chlorella and the understanding of their effects on algal metabolism are very limited. Here, we isolated a novel bacterium Microbacterium paraoxydans strain M1 that has significant algicidal activities against Chlorella vulgaris (algicidal rate 64.38 %, at 120 h). Atrazine-desethyl (AD) was then identified from strain M1 as an effective bacterial algicide, with inhibition or algae-lysing concentration values (EC50) of 1.64 μg/mL and 1.38 μg/mL, at 72 h and 120 h, respectively. LAD (2 μg/mL AD) or HAD (20 μg/mL AD) causes morphology alteration and ultrastructure damage, chlorophyll a reduction, gene expression regulation (for example, psbA, 0.05 fold at 24 h, 2.97 fold at 72 h, and 0.23 fold of the control in HAD), oxidative stress, lipid oxidation (MDA, 2.09 and 3.08 fold of the control in LAD and HAD, respectively, at 120 h) and DNA damage (average percentage of tail DNA 6.23 % at 120 h in HAD, slight damage: 5∼20 %) in the algal cells. The impacts of AD on algal metabolites and metabolic pathways, as well as the algal response to the adverse effects were investigated. The results revealed that amino acids, amines, glycosides and urea decreased significantly compared to the control after 24 h exposure to AD (p < 0.05). The main up-regulated metabolic pathways implied metabonomic resistance and defense against osmotic pressure, oxidative stress, photosynthesis inhibition or partial cellular structure damage, such as phenylalanine metabolism, arginine biosynthesis. The down-regulated glycine, serine and threonine metabolism is a major lead in the algicidal mechanism according to the value of pathway impact. The down-regulated glycine, and serine are responsible for the downregulation of glyoxylate and dicarboxylate metabolism, aminoacyl-tRNA biosynthesis, glutathione metabolism, and sulfur metabolism, which strengthen the algae-lysing effect. It is the first time to highlight the pivotal role of glycine, serine and threonine metabolism in algicidal activities, which provided a new perspective for understanding the mechanism of bacterial algicides exerting on algal cells at the metabolic level.
Collapse
Affiliation(s)
- Qianqian Lu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China
| | - Xinzhu Zhou
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China
| | - Ruidan Liu
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China
| | - Guojing Shi
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China
| | - Ningning Zheng
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China
| | - Guanghai Gao
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China; State key Laboratory of Hydroscience and Engineering, Tsinghua University, China.
| | - Yingying Wang
- Ministry of Education Key Laboratory of Pollution Processes and Environmental Criteria, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300371, China; Nankai International Advanced Research Institute (Shenzhen Futian), Shenzhen, China.
| |
Collapse
|
32
|
Wang C, Cheng T, Lu Q, Li W, Liu B, Yue L, Du M, Sheng W, Lu Z, Yang J, Geng F, Gao X, Lü J, Pan X. Oxygen therapy accelerates apoptosis induced by selenium compounds via regulating Nrf2/MAPK signaling pathway in hepatocellular carcinoma. Pharmacol Res 2023; 187:106624. [PMID: 36563868 DOI: 10.1016/j.phrs.2022.106624] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [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: 10/14/2022] [Revised: 12/14/2022] [Accepted: 12/18/2022] [Indexed: 12/25/2022]
Abstract
Selenium has good antitumor effects in vitro, but the hypoxic microenvironment in solid tumors makes its clinical efficacy unsatisfactory. We hypothesized that the combination with oxygen therapy might improve the treatment efficacy of selenium in hypoxic tumors through the changes of redox environment. In this work, two selenium compounds, Na2SeO3 and CysSeSeCys, were selected to interrogate their therapeutic effects on hepatocellular carcinoma (HCC) under different oxygen levels. In tumor-bearing mice, both selenium compounds significantly inhibited the tumor growth, and combined with oxygen therapy further reduced the tumor volume about 50 %. In vitro HepG2 cell experiments, selenium induced autophagy and delayed apoptosis under hypoxia (1 % O2), while inhibited autophagy and accelerated apoptosis under hyperoxia (60 % O2). We found that, in contrast to hypoxia, the hyperoxic environment facilitated the H2Se, produced by the selenium metabolism in cells, to be rapidly oxidized to generate H2O2, leading to inhibit the expression level of Nrf2 and to increase that of phosphorylation of p38 and MKK4, resulting in inhibiting autophagy and accelerating apoptosis. Once the Nrf2 gene was knocked down, selenium compounds combined with hyperoxia treatment would further activate the MAPK signaling pathway and further increase apoptosis. These findings highlight oxygen can significantly enhance the anti-HCC effect of selenium compounds through regulating the Nrf2 and MAPK signaling pathways, thus providing novel therapeutic strategy for the hypoxic tumors and pave the way for the application of selenium in clinical treatment.
Collapse
Affiliation(s)
- Cheng Wang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | | | - Qianqian Lu
- Yantai Affiliated Hospital of Binzhou Medical University, Yantai 264003, China
| | - Wenzhen Li
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Ben Liu
- Yantai Affiliated Hospital of Binzhou Medical University, Yantai 264003, China
| | - Lijun Yue
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Maoru Du
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Wenxue Sheng
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Zhaochen Lu
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Jingnan Yang
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Feng Geng
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China
| | - Xue Gao
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
| | - Junhong Lü
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China; Jinan Microecological Biomedicine Shandong Laboratory, Jinan 250000, China.; Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201203, China.
| | - Xiaohong Pan
- School of Pharmacy, Binzhou Medical University, Yantai 264003, China.
| |
Collapse
|
33
|
Wang J, Xiang C, Cai Y, Mei Z, Lu Q, Liu B, Zou L. Clinicopathological and prognostic significance of COX-2 in glioma patients: a meta-analysis. Arq Neuropsiquiatr 2022; 80:1254-1261. [PMID: 36580964 PMCID: PMC9800163 DOI: 10.1055/s-0042-1758864] [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] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND In recent years, cyclooxygenase-2 (COX-2) has been identified as a cancer stem cell (CSC) marker in gliomas. Nevertheless, the clinical and prognostic significance of COX-2 in glioma patients remains controversial. OBJECTIVE To evaluate the correlation of COX-2 with the prognosis in glioma patients. METHODS Eligible studies on this subject were included, and pooled odd ratios (ORs) and hazard ratios (HRs) with 95% confidence intervals (95%CIs) were estimated. Publication bias was assessed through funnel plots, and heterogeneity and sensitivity were analyzed as well. RESULTS In the present study, 11 articles with a total of 641 patients were included. The high expression of COX-2 in glioma patients was negatively associated with overall survival (OS) (n = 11; HR = 2.26; 95%CI = 1.79-2.86), and the subgroup analysis showed no differences in OS between Asian (n = 5; HR = 2.16; 95%CI = 1.57-2.97) and non-Asian (n = 6; HR = 2.39; 95%CI = 1.69-3.38) glioma patients. The Begg funnel plots test indicated that there was no evident risk of publication bias in the meta-analysis. CONCLUSION The present study suggests that COX-2 could be recommended as a useful pathological and prognostic biomarker in the clinical practice.
Collapse
Affiliation(s)
- Jun Wang
- China Three Gorges University, The People's Hospital, Yichang, Hubei Province, China.
| | - Chenyan Xiang
- China Three Gorges University, The People's Hospital, Yichang, Hubei Province, China.
| | - Yi Cai
- China Three Gorges University, College of Basic Medical Sciences, Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, Yichang, Hubei, China.,China Three Gorges University, College of Basic Medical Sciences, The Institute of Infection and Inflammation, Yichang, China.
| | - Ziyi Mei
- China Three Gorges University, College of Basic Medical Sciences, Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, Yichang, Hubei, China.,China Three Gorges University, College of Basic Medical Sciences, The Institute of Infection and Inflammation, Yichang, China.
| | - Qianqian Lu
- China Three Gorges University, College of Basic Medical Sciences, Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, Yichang, Hubei, China.,China Three Gorges University, College of Basic Medical Sciences, The Institute of Infection and Inflammation, Yichang, China.
| | - Binbin Liu
- China Three Gorges University, College of Basic Medical Sciences, Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, Yichang, Hubei, China.,China Three Gorges University, College of Basic Medical Sciences, The Institute of Infection and Inflammation, Yichang, China.
| | - Lili Zou
- China Three Gorges University, College of Basic Medical Sciences, Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, Yichang, Hubei, China.,China Three Gorges University, College of Basic Medical Sciences, The Institute of Infection and Inflammation, Yichang, China.,Address for correspondence Lili Zou
| |
Collapse
|
34
|
Lu Q, Yu X, Wang H, Yu Z, Zhang X, Zhao Y. Quantitative trait locus mapping for important yield traits of a sorghum-sudangrass hybrid using a high-density single nucleotide polymorphism map. Front Plant Sci 2022; 13:1098605. [PMID: 36605962 PMCID: PMC9808045 DOI: 10.3389/fpls.2022.1098605] [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] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
The sorghum-sudangrass hybrid is a vital gramineous herbage.The F2 population was obtained to clarify genetic regularities among the traits of sorghum-sudangrass hybrids by bagging and selfing in the F1 generation using 'scattered ear sorghum' and 'red hull sudangrass.' This hybrid combines the characteristics of the strong resistance of parents, high yield, and good palatability and has clear heterosis. A thorough understanding of the genetic mechanisms of yield traits in sorghum-sudangrass hybrids is essential in improving their yield. Therefore, we conducted quantitative trait locus (QTL) mapping for plant height, stem diameter, tiller number, leaf number, leaf length, leaf width, and fresh weight of each plant in three different environments, using a high-density genetic linkage map based on single nucleotide polymorphism markers previously constructed by our team. A total of 55 QTLs were detected, uniformly distributed over the 10 linkage groups (LGs), with logarithm of odds values ranging between 2.5 and 7.1, which could explain the 4.9-52.44% phenotypic variation. Furthermore, 17 yield-related relatively high-frequency QTL (RHF-QTL) loci were repeatedly detected in at least two environments, with an explanatory phenotypic variation of 4.9-30.97%. No RHF-QTLs were associated with the tiller number. The genes within the confidence interval of RHF-QTL were annotated, and seven candidate genes related to yield traits were screened. Three QTL sites overlapping or adjacent to previous studies were detected by comparative analysis. We also found that QTL was enriched and that qLL-10-1 and qFW-10-4 were located at the same location of 25.81 cM on LG10. The results of this study provide a foundation for QTL fine mapping, candidate gene cloning, and molecular marker-assisted breeding of sorghum-sudangrass hybrids.
Collapse
|
35
|
Chen H, Lu Q, An H, Li J, Shen S, Zheng X, Chen W, Wang L, Li J, Du Y, Wang Y, Liu X, Baumann M, Tacke M, Zou L, Wang J. The synergistic activity of SBC3 in combination with Ebselen against Escherichia coli infection. Front Pharmacol 2022; 13:1080281. [PMID: 36588729 PMCID: PMC9797518 DOI: 10.3389/fphar.2022.1080281] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
Escherichia coli ranks as the number one clinical isolate in the past years in China according to The China Antimicrobial Surveillance Network (CHINET), and its multidrug-resistant (MDR) pathogenic strains account for over 160 million cases of dysentery and one million deaths per year. Here, our work demonstrates that E. coli is highly sensitive to the synergistic combination of SBC3 [1,3-Dibenzyl-4,5-diphenyl-imidazol-2-ylidene silver (I) acetate] and Ebselen, which shows no synergistic toxicity on mammalian cells. The proposed mechanism for the synergistic antibacterial effect of SBC3 in combination with Ebselen is based on directly inhibiting E. coli thioredoxin reductase and rapidly depleting glutathione, resulting in the increase of reactive oxygen species that cause bacterial cell death. Furthermore, the bactericidal efficacy of SBC3 in combination with Ebselen has been confirmed in mild and acute peritonitis mice. In addition, the five most difficult to treat Gram-negative bacteria (including E. coli, Acinetobacter baumannii, Enterobacter cloacae, Klebsiella pneumoniae, and Pseudomonas aeruginosa) are also highly sensitive to a synergistic combination of SBC3 and Ebselen. Thus, SBC3 in combination with Ebselen has potential as a treatment for clinically important Gram-negative bacterial infections.
Collapse
Affiliation(s)
- Hao Chen
- The Second People’s Hospital of China Three Gorges University, Yichang, Hubei, China,The Second People’s Hospital of Yichang, Yichang, Hubei, China
| | - Qianqian Lu
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Haoyue An
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Juntong Li
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Shuchu Shen
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Xi Zheng
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Wei Chen
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Lu Wang
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Jihong Li
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Youqin Du
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Yueqing Wang
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Xiaowen Liu
- Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China
| | - Marcus Baumann
- The School of Chemistry, University College Dublin, Belfield, Dublin, Ireland
| | - Matthias Tacke
- The School of Chemistry, University College Dublin, Belfield, Dublin, Ireland,*Correspondence: Lili Zou, ; Jun Wang, ; Matthias Tacke,
| | - Lili Zou
- The Second People’s Hospital of China Three Gorges University, Yichang, Hubei, China,The Second People’s Hospital of Yichang, Yichang, Hubei, China,Hubei Key Laboratory of Tumor Microenvironment and Immunotherapy, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,The Institute of Infection and Inflammation, College of Basic Medical Sciences, China Three Gorges University, Yichang, Hubei, China,*Correspondence: Lili Zou, ; Jun Wang, ; Matthias Tacke,
| | - Jun Wang
- The People’s Hospital of China Three Gorges University, Yichang, Hubei, China,*Correspondence: Lili Zou, ; Jun Wang, ; Matthias Tacke,
| |
Collapse
|
36
|
Lu Q, Zhang JN, Huo Y, Xia Q, Jiao JY, Li M. [Susceptibility and mechanism of sodium salicylate-induced tinnitus model in low estrogen rats]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2022; 57:1479-1483. [PMID: 36707953 DOI: 10.3760/cma.j.cn115330-20220322-00125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Objective: The susceptibility of tinnitus rats with low estrogen level induced by sodium salicylate and the changes of tumor necrosis factor α (TNF-α) in serum were observed to investigate the relationship between tinnitus occurrence and estrogen level. Methods: Forty-two healthy female Wistar rats were randomly divided into control group(n=6), normal group(n=6), sham operation group(n=6) and ovariectomized group(n=24). Control group was intraperitoneally injected with normal saline 200 mg/kg for 14 consecutive days. Normal group, sham operation group and ovariectomized group were intraperitoneally injected with sodium salicylate 200 mg/kg for 14 consecutive days. Before and after sodium salicylate induction, the tinnitus behavior of rats in each group was detected by prepulse inhibition (PPI) and gap pre-pulse inhibition of the acoustic startle (GPIAS) test. Before and after sodium salicylate induction, blood samples were collected from eyeballs of rats in each group, and serum levels of estradiol and TNF-α were detected by ELISA. SPSS 25.0 software was used to analyze the data. Results: (1) Following 14 days of sodium salicylate intervention, there was no significant difference in PPI inhibition rate between groups or within groups(all P>0.05). (2)There was no significant difference in the inhibition rate of GPIAS in the four groups before sodium salicylate injection(F=0.217, P>0.05). With sodium salicylate injected for 14 days, the inhibition rate of GPIAS in ovariectomized group (30.88%±15.40%) was significantly lower than that in the other three groups (44.11%±21.06%, 38.27%±10.92%, 51.59%±11.34%), and the difference was statistically significant(F=3.533, P<0.05). The inhibition rate of GPIAS in ovariectomized group with sodium salicylate injected for 14 days was significantly lower than that before injection, and the difference was statistically significant(t=2.977, P<0.05).There was no significant difference in GPIAS inhibition rate between the other three groups before and after sodium salicylate injection(P>0.05). (3)The level of TNF-α in ovariectomized rats was significantly higher than that in the other three groups, the difference was statistically significant(all P<0.05). With sodium salicylate injection for 14 days, TNF-α level in the ovariectomized group increased more significantly than that in the other three groups, the difference was statistically significant(F=8.045, P<0.05). TNF-α levels increased following salicylate injection in normal group, sham operation group and ovariectomized group, and the differences were statistically significant(t value was -4.843, -4.932 and -5.965 respectively, each P<0.05). There was no significant difference in TNF-α levels before and after normal saline injection in control group(all P>0.05). Conclusion: Low estrogen levels increase susceptibility to sodium salicylate-induced tinnitus. Decreased estrogen levels may increase susceptibility to tinnitus through the increased expression of pro-inflammatory factor TNF-α.
Collapse
Affiliation(s)
- Q Lu
- Department of Otolaryngology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - J N Zhang
- Department of Otolaryngology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Y Huo
- Department of Otolaryngology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - Q Xia
- Department of Otolaryngology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - J Y Jiao
- Department of Otolaryngology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| | - M Li
- Department of Otolaryngology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China
| |
Collapse
|
37
|
Yin R, Lu Q, Jiao JL, Lin K, Wang C, Yuan L, Ding Y, Dong N, Wang BJ, Niu YH, Fang YS, Liu W, Sun YF, Zou B, Zhang XE, Xiao P, Sun L, Du X, Zhu YY, Dong XY. [Characteristics and related factors of viral nucleic acid negative conversion in children infected with Omicron variant strain of SARS-CoV-2]. Zhonghua Er Ke Za Zhi 2022; 60:1307-1311. [PMID: 36444435 DOI: 10.3760/cma.j.cn112140-20220623-00582] [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] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To understand the characteristics and associated factors of viral nucleic acid conversion in children infected with Omicron variant strain of SARS-CoV-2 in Shanghai. Methods: The clinical symptoms, laboratory results and other data of 177 children infected with SARS-CoV-2 who were hospitalized in Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University (designated hospital for SARS-CoV-2 infection in Shanghai) from April 25 to June 8, 2022 were retrospectively analyzed. According to the chest imaging findings, the children were divided into mild and common type groups. According to their age, the unvaccinated children were divided into<3 years old group and 3-<18 years old group. According to the vaccination status, the children aged 3-<18 year were divided into non-vaccination group, 1-dose vaccination group and 2-dose vaccination group. Comparison between groups was performed by independent sample t-test and analysis of variance, and multivariate linear regression analysis was used for multivariate analysis. Results: Among the 177 children infected with Omicron variant of SARS-CoV-2, 96 were males and 81 were females, aged 3 (1, 6) years. The time of viral nucleic acid negative conversion was (10.3±3.1) days. The 177 children were 138 cases of mild type and 39 cases of common type. Among the children aged 3-<18 years old, 55 cases were not vaccinated, 5 cases received 1-dose and 36 cases received 2-dose vaccination. Among the 36 children who received 2 doses of vaccination, the time of viral nucleic acid negative conversion was shorter in those vaccinated within 6 months than those over 6 months ((7.1±1.9) vs. (10.8±3.0) d, t=-3.23, P=0.004). Univariate analysis showed that the time of nucleic acid negative conversion of SARS-CoV-2 was associated with age, underlying diseases, gastrointestinal symptoms, white blood cell count, proportion of neutrophils, proportion of lymphocytes, and the number of doses of SARS-CoV-2 vaccine (t=3.87, 2.55, 2.04, 4.24, 3.51, 2.92, F=16.27, all P<0.05). Multiple linear regression analysis showed that older age (β=-0.33, 95% CI -0.485--0.182, P<0.001) and more doses of vaccination (β=-0.79, 95% CI -1.463--0.120, P=0.021) were associated with shortened nucleic acid negative conversion time in children, while lower lymphocyte proportion (β=-0.02, 95% CI -0.044--0.002, P=0.031) and underlying diseases (β=1.52, 95% CI 0.363-2.672, P=0.010) were associated with prolonged nucleic acid negative conversion time in children. Conclusion: The children infected with Omicron variant of SARS-CoV-2 with reduced lymphocyte proportion and underlying diseases may have longer time of viral nucleic acid negative conversion,while children with older age and more doses of vaccination may have shorter time of viral nucleic acid negative conversion.
Collapse
Affiliation(s)
- R Yin
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Q Lu
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - J L Jiao
- Institute of Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - K Lin
- Department of Endoscopy Center, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - C Wang
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - L Yuan
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Y Ding
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - N Dong
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - B J Wang
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Y H Niu
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Y S Fang
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - W Liu
- Department of Cardiology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Y F Sun
- Department of Neonatology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - B Zou
- Department of Hematology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - X E Zhang
- Department of Nephrology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - P Xiao
- Department of Digestive Infection, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - L Sun
- Department of Nephrology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - X Du
- Department of Hematology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - Y Y Zhu
- Department of Neonatology, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| | - X Y Dong
- Department of Respiratory, Shanghai Children's Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200062, China
| |
Collapse
|
38
|
Lu Q, Yu X, Wang H, Yu Z, Zhang X, Zhao Y. Construction of ultra-high-density genetic linkage map of a sorghum-sudangrass hybrid using whole genome resequencing. PLoS One 2022; 17:e0278153. [PMID: 36445892 PMCID: PMC9707794 DOI: 10.1371/journal.pone.0278153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 11/10/2022] [Indexed: 12/02/2022] Open
Abstract
The sorghum-sudangrass hybrid is a vital annual gramineous herbage. Few reports exist on its ultra-high-density genetic map. In this study, we sought to create an ultra-high-density genetic linkage map for this hybrid to strengthen its functional genomics research and genetic breeding. We used 150 sorghum-sudangrass hybrid F2 individuals and their parents (scattered ear sorghum and red hull sudangrass) for high-throughput sequencing on the basis of whole genome resequencing. In total, 1,180.66 Gb of data were collected. After identification, filtration for integrity, and partial segregation, over 5,656 single nucleotide polymorphism markers of high quality were detected. An ultra-high-density genetic linkage map was constructed using these data. The markers covered approximately 2,192.84 cM of the map with average marker intervals of 0.39 cM. The length ranged from 115.39 cM to 264.04 cM for the 10 linkage groups. Currently, this represents the first genetic linkage map of this size, number of molecular markers, density, and coverage for sorghum-sudangrass hybrid. The findings of this study provide valuable genome-level information on species evolution and comparative genomics analysis and lay the foundation for further research on quantitative trait loci fine mapping and gene cloning and marker-assisted breeding of important traits in sorghum-sudangrass hybrids.
Collapse
Affiliation(s)
- Qianqian Lu
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Xiaoxia Yu
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Huiting Wang
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Zhuo Yu
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
- * E-mail:
| | - Xia Zhang
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Yaqi Zhao
- Agricultural College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| |
Collapse
|
39
|
Xie S, Zhang R, Li Z, Liu C, Xiang W, Lu Q, Chen Y, Yu Q. Indispensable role of melatonin, a scavenger of reactive oxygen species (ROS), in the protective effect of Akkermansia muciniphila in cadmium-induced intestinal mucosal damage. Free Radic Biol Med 2022; 193:447-458. [PMID: 36328351 DOI: 10.1016/j.freeradbiomed.2022.10.316] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [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: 06/25/2022] [Revised: 10/15/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
Abstract
The gastrointestinal tract is the main target of cadmium toxicity. However, whether Akkermansia muciniphila (A. muciniphila), which has been reported to be the next generation of promising probiotics, can alleviate cadmium-induced intestinal damage has not been investigated. In this study, we found that compared to the cadmium exposure group, mice gavaged with A. muciniphila showed less severe intestinal mucosal damage, with improved bodyweight, colon length, a decline in inflammation, and significantly increased glutathione and goblet cell numbers. Meanwhile, melatonin was interestingly found to be strikingly increased after A. muciniphila treatment. We then demonstrated that melatonin also could ameliorate the intestinal mucosal damage caused by cadmium through scavenging reactive oxygen species (ROS) and increasing the number of goblet cells. Furthermore, mice treated with inhibitors had a low level of melatonin and could not reproduce the beneficial effects of the A. muciniphila. Our results implied that the regulation of melatonin production by A. muciniphila is associated with an increase in enterochromaffin cells number, which determine melatonin secretion. This study indicated that the A. muciniphila-melatonin axis reduces cadmium-induced damage by increasing the goblet cells and scavenging the ROS, which may guide the prevention of the toxic effects of heavy metals.
Collapse
Affiliation(s)
- Shuang Xie
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Rui Zhang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Zhaoyan Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Chunru Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China
| | - Weiwei Xiang
- Laboratory of Microbiology, Immunology and Metabolism, Diprobio (Shanghai) Co, Limited, Shanghai, 200335, PR China
| | - Qianqian Lu
- Laboratory of Microbiology, Immunology and Metabolism, Diprobio (Shanghai) Co, Limited, Shanghai, 200335, PR China
| | - Yanyu Chen
- Laboratory of Microbiology, Immunology and Metabolism, Diprobio (Shanghai) Co, Limited, Shanghai, 200335, PR China
| | - Qinghua Yu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Weigang 1, Nanjing, Jiangsu, 210095, PR China; Laboratory of Microbiology, Immunology and Metabolism, Diprobio (Shanghai) Co, Limited, Shanghai, 200335, PR China.
| |
Collapse
|
40
|
Shi S, Dong N, Ding Y, Wang C, Yuan L, Fang YS, Wang BJ, Niu YH, Wei ZZ, Pu T, Dong XY, Lu Q. [COVID-19 treated with oral Nirmatrelvir-Ritonavir in 3 children]. Zhonghua Er Ke Za Zhi 2022; 60:1168-1171. [PMID: 36319152 DOI: 10.3760/cma.j.cn112140-20220701-00608] [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] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To summarize the application experience and the therapeutic effect of Nirmatrelvir-Ritonavir (trade name: Paxlovid) for COVID-19 in children. Methods: A retrospective analysis was performed on the clinical data, including collecting the clinical manifestations and clinical outcomes, dynamically monitoring the blood routine, hepatic and renal function and SARS-CoV-2 nucleic acid results, and observing the related side effects during the treatment, etc, of 3 cases with COVID-19 treated with Paxlovid admitted to Shanghai Children's Hospital (designated referral hospital for SARS-CoV-2 infection in Shanghai) from May 1st to June 1st, 2022. Results: The 3 cases were 12, 14, 17 years of age, among which 2 cases were males, 1 case was female. All 3 cases were mild cases with underlying diseases and risk of developing into severe COVID-19, with symptoms of high fever, sore throat and dry cough. The treatment of Paxlovid at 3rd day of symptom onset contributed to the symptom-free after 1-2 days and negative results of SARS-CoV-2 nucleic acid after 2-4 days. All patients had no adverse manifestations of gastrointestinal tract and nervous system but a case had little skin rashes, which recovered after the withdrawal of Paxlovid. Three cases had normal hepatic and renal function during the Paxlovid treatment. At 3 months after discharge, no clinical manifestations of post-COVID syndrome were found in all 3 cases. Conclusion: Paxlovid was effective and relatively safe in the treatment of 3 children with COVID-19.
Collapse
Affiliation(s)
- S Shi
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - N Dong
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - Y Ding
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - C Wang
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - L Yuan
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - Y S Fang
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - B J Wang
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - Y H Niu
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - Z Z Wei
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - T Pu
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - X Y Dong
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| | - Q Lu
- Department of Respiratory Medicine, Shanghai Children's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200062, China
| |
Collapse
|
41
|
Gan L, Li XE, Lu Q, Zhang LC. [The prevalence and influence factors of work-related musculoskeletal disorders of dental nurse]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2022; 40:756-760. [PMID: 36348557 DOI: 10.3760/cma.j.cn121094-20210830-00432] [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] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Objective: To investigate the prevalence and Influence factors of work-related musculoskeletal disorders (WMSDs) among dental nurses in tertiary stomatology hospitals. Methods: From June to July 2020, 1321 dental nurses from 18 tertiary stomatology hospitals in 18 provinces of China were enrolled as research subjects through a phased sampling method. The cross-sectional study was performed with validated instruments including the basic information questionnaire, Effort-Reward Imbalance Questionnaire, Nurse-Physician Collaboration Scale, and Chinese Musculoskeletal Questionnaire, so as to get the information about the social demography information, nursing-physician cooperation, work stress and the incidence of WMSDs. The influenang factors of WMSDs was analyzed. Results: The past prevalence, annual prevalence, and weekly prevalence of WMSDs were 80.8% (1067/1321) , 68.7% and 43.7% (575/1321) . 58.4% (771/1321) of nurses had WMSDs in three or more body parts. Neck (51.4%) , waist (42.2%) and shoulder (41.6%) were the top three body regions in the past year. The absenteeism rate due to musculoskeletal disorders ranged from 3.5% to 9.0%, waist (8.9%) and neck (8.0%) were the top two body regions. Working more than 40 hours per week (OR=1.74, P<0.001) and effect/reward>1 (OR=1.50, P=0.002) were risk factors of WMSDs (OR=1.74, 95% CI: 1.32~2.30; OR=1.50, 95%CI: 1.17~1.92, P<0.05) , while regular physical exercise every week (≥30 min per times) was the protective factor (OR=0.74, 95%CI: 0.56~0.97, P=0.030) . Conclusion: The prevalence rate of WMSDs of dental nurses in China was high, and most of the nurses suffered with many body parts. Thus, we should reduce controllable occupational stresso, ensuring adequate rest and strengthening physical exercise to reduce the incidence of WMSDs.
Collapse
Affiliation(s)
- L Gan
- Nursing Department of Peking University Stomatology Hospital, Beijing 100081, China
| | - X E Li
- Nursing Department of Peking University Stomatology Hospital, Beijing 100081, China
| | - Q Lu
- Peking University Health Science Center School of Nursing, Beijing 100191, China
| | - L C Zhang
- Peking University Health Science Center School of Nursing, Beijing 100191, China
| |
Collapse
|
42
|
Lu Q, Zhang L, Lin C. Big Data-Driven Vocational Undergraduate Talent Training and Social Needs Adaptability Analysis and Collaborative Path Mining. Comput Intell Neurosci 2022; 2022:8476412. [PMID: 36262626 PMCID: PMC9576360 DOI: 10.1155/2022/8476412] [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] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/13/2022] [Accepted: 09/20/2022] [Indexed: 11/18/2022]
Abstract
Aiming at the problem of mismatch between talent cultivation and social demand in the process of undergraduate education, this paper proposes a big data-driven method of adaptability analysis and collaborative path mining between vocational undergraduate talent cultivation and social demand. Starting from the big data-driven vocational undergraduate talent training and social needs, this paper points out the problems existing in the current social needs and puts forward the basic framework of vocational undergraduate talent training mode. Secondly, the clustering model of talent training and social demand is analyzed, and the clustering mining method is proposed. Finally, the big data-driven personnel training and social adaptation mining analysis, in their own ability and social needs adaptability analysis, the basic adaptation accounted for a higher proportion. Professional competence has a higher trust value in cluster analysis. Today's social employment situation is becoming more and more severe, and how to enhance the quality of profession undergraduate students has become one of the theoretical and practical issues worthy of attention in China's colleges at this stage. The talent training model of colleges and universities is closely in route with the demands of society, and the problem of student hire is prominent. Therefore, this paper proposes a student employability training program that combines the elements of student employability through social needs research.
Collapse
Affiliation(s)
- Qianqian Lu
- Administrative Office, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang 322100, China
| | - Lin Zhang
- Personnel Department, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang 322100, China
| | - Chunlei Lin
- Department of Education and Engineering, Zhejiang Guangsha Vocational and Technical University of Construction, Dongyang 322100, China
| |
Collapse
|
43
|
Wu G, YU X, Yu Z, Lu Q, Yang D, Shi Y, Li J, Li JI. Fine mapping of a major QTL qPA7–1 for low hydrocyanic acid content in sorghum-sudangrass hybrid. Genome 2022; 65:605-619. [DOI: 10.1139/gen-2021-0114] [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: 11/22/2022]
Abstract
The purpose of this study was to study the genetic mechanism of low hydrocyanic acid (HCN) content. Segregation of HCN content trait in fresh stems and leaves was determined in the sorghum-sudangrass hybrid F2 population (N = 1200), also used to detect a quantitative trait locus (QTL) for HCN content. Our hypothesis was that the additive effect of QTL was negative, showing that QTL was associated with low HCN. In the present research, a total of 11 simple sequence repeats (SSR) polymorphic primers were screened, and four SSR markers associated with low HCN content were developed based on the bulked segregant analysis (BSA) method. A high-resolution genetic linkage group of the previously known qPA7–1 locus of the low HCN trait was constructed by analyzing different population, families and recombinants. Then, the QTL qPA7–1 of sorghum-sudangrass hybrid was fine-mapped to a 203.6 kb region between markers SORBI4G4–120 and SORBI4G4–680, and seven candidate genes for low HCN were predicted in this region based on sequence comparison with the sorghum reference genome. According to gene annotation, indicating that low HCN related candidate genes in this study may be different from the known regulation mode of sorghum dhurrin biosynthesis and metabolism.
Collapse
Affiliation(s)
- Guofang Wu
- Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Xiaoxia YU
- Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Zhuo Yu
- Inner Mongolia Agricultural University, Hohhot, Saihan District, China
| | - Qianqian Lu
- Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| | - Dongsheng Yang
- Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Yue Shi
- Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - Jiaqi Li
- Inner Mongolia University, Hohhot, Inner Mongolia, China
| | - JIngwei Li
- Inner Mongolia Agricultural University, Hohhot, Inner Mongolia, China
| |
Collapse
|
44
|
Chen L, Hu P, Lu Q, Zhang F, Su Y, Ding Y. Vernalization attenuates dehydration tolerance in winter-annual Arabidopsis. Plant Physiol 2022; 190:732-744. [PMID: 35670724 PMCID: PMC9434170 DOI: 10.1093/plphys/kiac264] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 05/04/2022] [Indexed: 05/27/2023]
Abstract
In winter-annual plants, exposure to cold temperatures induces cold tolerance and accelerates flowering in the following spring. However, little is known about plant adaptations to dehydration stress after winter. Here, we found that dehydration tolerance is reduced in winter-annual Arabidopsis (Arabidopsis thaliana) after vernalization. Winter-annual Arabidopsis plants with functional FRIGIDA (FRI) exhibited high dehydration tolerance, with small stomatal apertures and hypersensitivity to exogenous abscisic acid. Dehydration tolerance and FLOWERING LOCUS C (FLC) transcript levels gradually decreased with prolonged cold exposure in FRI plants. FLC directly bound to the promoter of OPEN STOMATA1 (OST1) and activated OST1 expression. Loss of FLC function resulted in decreased dehydration tolerance and reduced OST1 transcript levels. FLC and OST1 act in the same dehydration stress pathway, with OST1 acting downstream of FLC. Our study provides insights into the mechanisms by which FRI modulates dehydration tolerance through the FLC-OST1 module. Our results suggest that winter-annual Arabidopsis integrates dehydration tolerance and flowering time to adapt to environmental changes from winter to spring.
Collapse
Affiliation(s)
| | | | - Qianqian Lu
- Ministry of Education, Key Laboratory for Membraneless Organelles and Cellular Dynamics; Chinese Academy of Sciences (CAS), Center for Excellence in Molecular Plant Sciences; Biomedical Sciences and Health Laboratory of Anhui Province; School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui 230027, China
| | - Fei Zhang
- Ministry of Education, Key Laboratory for Membraneless Organelles and Cellular Dynamics; Chinese Academy of Sciences (CAS), Center for Excellence in Molecular Plant Sciences; Biomedical Sciences and Health Laboratory of Anhui Province; School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Anhui 230027, China
| | | | | |
Collapse
|
45
|
Li L, Chen XJ, Cui MH, Feng LM, Fu C, Gu J, Ha CF, Huang XF, Lu Q, Ma XX, Shen DH, Tian QJ, Wang G, Wang SX, Wu LY, Xie MQ, Yang X, Zhang SL, Zhou XR, Zhu L. [Chinese guideline on the management of endometrial hyperplasia]. Zhonghua Fu Chan Ke Za Zhi 2022; 57:566-574. [PMID: 36008282 DOI: 10.3760/cma.j.cn112141-20220628-00418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
|
46
|
Lu Q, Mao J, Xia H, Song S, Chen W, Zhao D. Effect of wastewater treatment plant discharge on the bacterial community in a receiving river. Ecotoxicol Environ Saf 2022; 239:113641. [PMID: 35597140 DOI: 10.1016/j.ecoenv.2022.113641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 12/22/2021] [Revised: 04/29/2022] [Accepted: 05/10/2022] [Indexed: 06/15/2023]
Abstract
The effluent of wastewater treatment plants (WWTPs) is an important water resource for some rivers in regions with relatively low precipitation, which may pose ecological risks. Various pollutants and microorganisms are discharged into rivers, along with the WWTP effluent, but this process has not been thoroughly studied. The objective of this study was to evaluate the effect of WWTP effluent on the bacterial community in the sediment and water column of an urban river and to identify the relationship between the total and active bacterial communities. Five sites were sampled in the river, including the most upstream site of the river (Up-most), 200 m upstream of the WWTP (Up-200), at the point of effluent discharge of the WWTP (Eff-pl) and 50 m (Down-50) and 1000 m (Down-1000) downstream of the WWTP. Compared with the two upstream sites (Up-most and Up-200), the bacterial species composition of Eff-pl was significantly different (p < 0.05) in both the sediment and water columns, while the bacterial species composition at Down-1000 was significantly different (p < 0.05) in the sediment but not in the water. The relative abundance of Proteobacteria, Actinobacteriota and Verrucomicrobiota was significantly different (p < 0.05) at Eff-pl in both the sediment and water columns compared with that at the upstream sites. The shared bacterial species between the DNA and RNA 16 S rRNA analyses were only 45.5-62.2% and 43.2-52.3% for the sediment and water, respectively. Accordingly, WWTP effluent drainage significantly alters (p < 0.05) the bacterial composition in the receiving river but can be recovered in water within a short distance. However, in sediment, a longer recovery space is probably needed. Analyses of the combination of total and active bacterial compositions are recommended to evaluate the ecological consequences of WWTP effluent drainage on the bacterial composition.
Collapse
Affiliation(s)
- Qianqian Lu
- Department of Biological Science and Technology, Nanjing University, Nanjing 210093, PR China
| | - Junbo Mao
- Sinohydro Bureau 11 Co., Ltd, Zhengzhou 450001, PR China
| | - Haijun Xia
- Sinohydro Bureau 11 Co., Ltd, Zhengzhou 450001, PR China
| | - Siyuan Song
- Huadong Engineering Corporation Limited, Hangzhou 311122, PR China
| | - Wenjuan Chen
- Sinohydro Bureau 11 Co., Ltd, Zhengzhou 450001, PR China
| | - Dehua Zhao
- Department of Biological Science and Technology, Nanjing University, Nanjing 210093, PR China.
| |
Collapse
|
47
|
Yang T, Li H, Cao J, Lu Q, Wang Z, He L, Sun H, Han K. Investigating the climatology of North China's urban inland lake based on six years of observations. Sci Total Environ 2022; 826:154120. [PMID: 35240163 DOI: 10.1016/j.scitotenv.2022.154120] [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: 11/15/2021] [Revised: 02/19/2022] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
There are unclear characteristics of the effect of lake breeze in small urban inland lakes due to little research on lake breezes. In this work, six-year observations were performed to study the comprehensive climatologic characteristics of lake breezes on North China's urban inland lake, Lake Hengshui (75 km2). By removing background winds calculated by ERA5 data and successfully recording the lake-land breeze cycle, we devised a succinct and effective approach for distinguishing lake-land breezes. Lake-land breeze had a high annual occurrence frequency of 13.4%-24.7% and a yearly mean lake-breeze speed of 1.6 m/s and yearly mean lake-breeze duration of 4.8 h; spring has the highest frequency and summer has the lowest frequency because of the greater thermal differences between lake and land in spring. The lake breeze mostly started at 06:00-07:00 and 10:00-13:00 (LST), showing a double-peak pattern, and ended at 17:00-19:00 (LST). On the other hand, the land breezes mainly started at 00:00-01:00 (LST) and ended at 05:00-06:00. The distance between each station and the lake has a negative correlation to the frequency and duration of the lake-land breeze, showing the higher frequency and duration at the near stations and the lower frequency and duration at the stations far from the lake. The land breeze has similar spatial characteristics. Winter has relatively lower seasonal average wind speeds of the lake breeze at most stations; spring and winter have high average wind speeds of the land breeze at each station, while summer and autumn have low. The study of the city lake's lake-land breeze will shed new insights into addressing the urban layout.
Collapse
Affiliation(s)
- Ting Yang
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China.
| | - Hongyi Li
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jie Cao
- Key Laboratory of Meteorological Disaster (KLME), Ministry of Education & Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Qianqian Lu
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zifa Wang
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Litao He
- Hengshui Municipal Ecology and Environment Bureau, Hengshui 053000, China
| | - Huanhuan Sun
- State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
| | - Kun Han
- Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| |
Collapse
|
48
|
Lu Q, Guan H, Wang YE, Xiong D, Lin T, Xue F, Mao J. Nickel/Photoredox-Catalyzed Enantioselective Reductive Cross-Coupling between Vinyl Bromides and Benzyl Chlorides. J Org Chem 2022; 87:8048-8058. [PMID: 35666844 DOI: 10.1021/acs.joc.2c00707] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A visible-light-promoted nickel/photoredox-catalyzed reductive cross-coupling reaction between vinyl bromides and benzyl chlorides is reported. A diverse array of enantioenriched allylic centers containing products could be achieved in good yields (up to 90%) and high enantioselectivities (up to 95% ee). The mechanistic studies show that this reductive cross-coupling involves a radical pathway.
Collapse
Affiliation(s)
- Qianqian Lu
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Haixing Guan
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China.,Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Yan-En Wang
- College of Science, Hebei Agricultural University, Baoding 071000, P. R. China
| | - Dan Xiong
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Tingzhi Lin
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| | - Fei Xue
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Jianyou Mao
- Technical Institute of Fluorochemistry (TIF), Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China
| |
Collapse
|
49
|
Wu HL, Chen L, Wei M, Lu Q, Li N, Wang GQ, Shi RH. [Effect and mechanism of glucocorticoids in preventing stenosis after esophageal endoscopic submucosal dissection]. Zhonghua Yi Xue Za Zhi 2022; 102:1506-1511. [PMID: 35692065 DOI: 10.3760/cma.j.cn112137-20210905-02024] [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] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Objective: To explore the role and specific mechanism of glucocorticoids in preventing stenosis after esophageal endoscopic submucosal dissection (ESD). Methods: Data of 81 patients [51 cases were male and 30 cases were female, aged (62.09±7.95) years] undergoing early esophageal cancer or precancerous lesions with a stripping range ≥3/4 circle hospitalized from January 2019 to February 2021 in Department of Gastroenterology, Zhongda Hospital, Southeast University. They were randomly divided into the control group (n=23), oral prednisone acetate group (n=28) and/or combined with local injection Triamcinolone acetonide group (n=30). Analysis the stenosis rates, endoscopic stent dilatation times, the scores of the Atkinson classification and QLQ-OES18 after 12 weeks. Also the expression of carbohydrate sulfotransferase15 (CHST15) mRNA, TGF-β1 and Collagen-Ⅰ protein were compared by real-time PCR or immunohistochemistry. Results: The stenosis rates of the control group, oral prednisone acetate group and/or combined with local injection Triamcinolone acetonide group were 82.6% (19/23), 46.4% (13/28) and 20.0% (6/30) (P<0.001); endoscopic stent dilatation times [M (Q1,Q3)] in these three groups were 2 (1, 3), 0 (0, 0) and 0 (0, 0) (P<0.001). After ESD, the scores of the Atkinson classification and QLQ-OES18 in the three groups were lower than before (P<0.001); and the expression of CHST15 mRNA in the three groups were 4.31±0.13, 3.44±0.07 and 2.84±0.21 respectively (P<0.001). Compared with the control group, the expression of CHST15 mRNA in oral prednisone acetate group was down-regulated (P<0.001), and was the lowest in oral prednisone acetate combined with local injection Triamcinolone acetonide group (P<0.001). As CHST15 mRNA was down-regulated, the expression of TGF-β1 and Collagen-I protein was also down-regulated (P<0.05). Conclusions: Oral prednisone alone or combined with local injection of triamcinolone acetonide both can prevent esophageal stenosis effectively. Oral combined with local injection of glucocorticoid is particularly more effective. Glucocorticoid can reduce the expression of CHST15 mRNA, thereby inhibiting the expression of TGF-β1 and Collagen-I protein.
Collapse
Affiliation(s)
- H L Wu
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - L Chen
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - M Wei
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - Q Lu
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - N Li
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - G Q Wang
- Department of Pathology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - R H Shi
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| |
Collapse
|
50
|
Lu Q, Guo Y, Yang G, Cui L, Wu Z, Zeng X, Pan D, Cai Z. Structure and Anti-Inflammation Potential of Lipoteichoic Acids Isolated from Lactobacillus Strains. Foods 2022; 11:foods11111610. [PMID: 35681360 PMCID: PMC9180668 DOI: 10.3390/foods11111610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 12/31/2022] Open
Abstract
Lactobacillus are normal inhabitants of the gastrointestinal tract and confer a variety of health effects. Lipoteichoic acid (LTA), an amphiphilic substance located in the cell membrane, is a key molecule in probiotic–host crosstalk. Through the characterization of structural characteristics of LTA molecules derived from Lactobacillus plantarum A3, Lactobacillus reuteri DMSZ 8533, and Lactobacillus acidophilus CICC 6074, there exists some heterogeneity in LTA molecules, which perhaps contributes to the distinguishable adhesion properties of Lactobacillus strains based on fluorescence microscopy observations. In LPS-induced RAW 264.7 cells, LTAs derived from three Lactobacillus strains obviously alleviated inflammatory responses as evidenced by the altered inflammatory cytokine levels of TNF-α, IL-6, and IL-10. Western blotting demonstrated that L. reuteri LTA blocked LPS-triggered expression of the MAPK and NF-κB pathways. The findings further validated that LTA is an important effector molecule and deserves further consideration as an alternative therapeutic for ulcerative colitis treatment.
Collapse
Affiliation(s)
- Qianqian Lu
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
| | - Yingqi Guo
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
| | - Guo Yang
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
| | - Lei Cui
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
| | - Zhen Wu
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
| | - Xiaoqun Zeng
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
| | - Daodong Pan
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
| | - Zhendong Cai
- Key Laboratory of Animal Protein Deep Processing Technology of Zhejiang Province, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China; (Q.L.); (Y.G.); (G.Y.); (L.C.); (Z.W.); (X.Z.); (D.P.)
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Ningbo University, Ningbo 315211, China
- Correspondence:
| |
Collapse
|