1
|
Xu XH, Liu YD. [Research Progress in the Roles of MRE11-RAD50-NBS1 Complex and Human Diseases]. Zhongguo Yi Xue Ke Xue Yuan Xue Bao 2024; 46:232-241. [PMID: 38686720 DOI: 10.3881/j.issn.1000-503x.15556] [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: 05/02/2024]
Abstract
DNA is susceptible to various factors in vitro and in vivo and experience different forms of damage,among which double-strand break(DSB)is a deleterious form.To maintain the stability of genetic information,organisms have developed multiple mechanisms to repair DNA damage.Among these mechanisms,homologous recombination(HR)is praised for the high accuracy.The MRE11-RAD50-NBS1(MRN)complex plays an important role in HR and is conserved across different species.The knowledge on the MRN complex mainly came from the previous studies in Saccharomyces cerevisiae and Caenorhabditis elegans,while studies in the last decades have revealed the role of mammalian MRN complex in DNA repair of higher animals.In this review,we first introduces the MRN complex regarding the composition,structure,and roles in HR.In addition,we discuss the human diseases such as ataxia-telangiectasia-like disorder,Nijmegen breakage syndrome,and Nijmegen breakage syndrome-like disorder that are caused by dysfunctions in the MRN complex.Furthermore,we summarize the mouse models established to study the clinical phenotypes of the above diseases.
Collapse
Affiliation(s)
- Xiao-Hui Xu
- Women's Hospital,School of Medicine,Zhejiang University,Hangzhou 310006,China
| | - Yi-Dan Liu
- Women's Hospital,School of Medicine,Zhejiang University,Hangzhou 310006,China
| |
Collapse
|
2
|
Gu YN, Xu XH, Wang YP, Li YT, Liang Z, Yu Z, Peng YZ, Song BQ. [Effects of cerium oxide nanoenzyme-gelatin methacrylate anhydride hydrogel in the repair of infected full-thickness skin defect wounds in mice]. Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi 2024; 40:131-140. [PMID: 38418174 DOI: 10.3760/cma.j.cn501225-20231120-00201] [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: 03/01/2024]
Abstract
Objective: To investigate the effects of cerium oxide nanoenzyme-gelatin methacrylate anhydride (GelMA) hydrogel (hereinafter referred to as composite hydrogel) in the repair of infected full-thickness skin defect wounds in mice. Methods: This study was an experimental study. Cerium oxide nanoenzyme with a particle size of (116±9) nm was prepared by hydrothermal method, and GelMA hydrogel with porous network structure and good gelling performance was also prepared. The 25 μg/mL cerium oxide nanoenzyme which could significantly promote the proliferation of human skin fibroblasts and had high superoxide dismutase activity was screened out. It was added to GelMA hydrogel to prepare composite hydrogel. The percentage of cerium oxide nanoenzyme released from the composite hydrogel was calculated after immersing it in phosphate buffer solution (PBS) for 3 and 7 d. The red blood cell suspension of mice was divided into PBS group, Triton X-100 group, cerium oxide nanoenzyme group, GelMA hydrogel group, and composite hydrogel group, which were treated with corresponding solution. The hemolysis of red blood cells was detected by microplate reader after 1 h of treatment. The bacterial concentrations of methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli were determined after being cultured with PBS, cerium oxide nanoenzyme, GelMA hydrogel, and composite hydrogel for 2 h. The sample size in all above experiments was 3. Twenty-four 8-week-old male BALB/c mice were taken, and a full-thickness skin defect wound was prepared in the symmetrical position on the back and infected with MRSA. The mice were divided into control group without any drug intervention, and cerium oxide nanoenzyme group, GelMA hydrogel group, and composite hydrogel group applied with corresponding solution, with 6 mice in each group. The wound healing was observed on 3, 7, and 14 d after injury, and the remaining wound areas on 3 and 7 d after injury were measured (the sample size was 5). The concentration of MRSA in the wound exudation of mice on 3 d after injury was measured (the sample size was 3), and the blood flow perfusion in the wound of mice on 5 d after injury was observed using a laser speckle flow imaging system (the sample size was 6). On 14 d after injury, the wound tissue of mice was collected for hematoxylin-eosin staining to observe the newly formed epithelium and for Masson staining to observe the collagen situation (the sample size was both 3). Results: After immersion for 3 and 7 d, the release percentages of cerium oxide nanoenzyme in the composite hydrogel were about 39% and 75%, respectively. After 1 h of treatment, compared with that in Triton X-100 group, the hemolysis of red blood cells in PBS group, GelMA hydrogel group, cerium oxide nanoenzyme group, and composite hydrogel group was significantly decreased (P<0.05). Compared with that cultured with PBS, the concentrations of MRSA and Escherichia coli cultured with cerium oxide nanoenzyme, GelMA hydrogel, and composite hydrogel for 2 h were significantly decreased (P<0.05). The wounds of mice in the four groups were gradually healed from 3 to 14 d after injury, and the wounds of mice in composite hydrogel group were all healed on 14 d after injury. On 3 and 7 d after injury, the remaining wound areas of mice in composite hydrogel group were (29±3) and (13±5) mm2, respectively, which were significantly smaller than (56±12) and (46±10) mm2 in control group and (51±7) and (38±8) mm2 in cerium oxide nanoenzyme group (with P values all <0.05), but was similar to (41±5) and (24±9) mm2 in GelMA hydrogel group (with P values both >0.05). On 3 d after injury, the concentration of MRSA on the wound of mice in composite hydrogel group was significantly lower than that in control group, cerium oxide nanoenzyme group, and GelMA hydrogel group, respectively (with P values all <0.05). On 5 d after injury, the volume of blood perfusion in the wound of mice in composite hydrogel group was significantly higher than that in control group, cerium oxide nanoenzyme group, and GelMA hydrogel group, respectively (P<0.05). On 14 d after injury, the wound of mice in composite hydrogel group basically completed epithelization, and the epithelization was significantly better than that in the other three groups. Compared with that in the other three groups, the content of collagen in the wound of mice in composite hydrogel group was significantly increased, and the arrangement was also more orderly. Conclusions: The composite hydrogel has good biocompatibility and antibacterial effect in vivo and in vitro. It can continuously sustained release cerium oxide nanoenzyme, improve wound blood perfusion in the early stage, and promote wound re-epithelialization and collagen synthesis, therefore promoting the healing of infected full-thickness skin defect wounds in mice.
Collapse
Affiliation(s)
- Y N Gu
- Xi'an Medical University, Xi'an 710021, China
| | - X H Xu
- Xi'an Medical University, Xi'an 710021, China
| | - Y P Wang
- Department of Plastic Surgery, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| | - Y T Li
- Xi'an Medical University, Xi'an 710021, China
| | - Z Liang
- Department of Plastic Surgery, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| | - Z Yu
- Department of Plastic Surgery, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| | - Y Z Peng
- Institute of Burn Research, State Key Laboratory of Trauma and Chemical Poisoning, the First Affiliated Hospital of Army Medical University (the Third Military Medical University), Chongqing 400038, China
| | - B Q Song
- Department of Plastic Surgery, the First Affiliated Hospital, Air Force Medical University, Xi'an 710032, China
| |
Collapse
|
3
|
Xu SB, Wang MY, Shi XZ, Wang Q, Yu M, Zhang W, Xu XH, Liu LK. Influence of PD-1/PD-L1 on immune microenvironment in oral leukoplakia and oral squamous cell carcinoma. Oral Dis 2023; 29:3268-3277. [PMID: 35921211 DOI: 10.1111/odi.14332] [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: 03/01/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 11/27/2022]
Abstract
OBJECTIVE To evaluate the relation between the expression of PD-1, PD-L1, CD3, CD8, Foxp3 and clinicopathological features in patients with oral leukoplakia (OLK) and oral squamous cell carcinomas (OSCC) as well as the malignant outcome in OLK patients, and to study the effect of PD-1 and PD-L1 on immune microenvironment in the progression of oral carcinogenesis. METHODS We evaluated the expression of PD-1/PD-L1 and composition of CD3+ , CD8+ and Foxp3+ T lymphocytes in OLK and OSCC samples by immunohistochemical (IHC) staining and analyzed their relation with clinical information and malignant transformation in OLK patients. RESULTS IHC staining demonstrated that the expression of PD-1 was significantly increased in the high-grade OLK group than in the low-grade OLK group, while PD-L1 was detected mainly in OSCC. The expression of CD3, CD8, and Foxp3 was found higher in the high-grade OLK group than in the low-grade OLK group, and the Foxp3+ cells were found more in the OSCC group than in the high-grade OLK group. PD-1 was significantly correlated with CD3 (p < 0.05, R = 0.52), CD8 (p < 0.05, R = 0.46), and Foxp3 (p < 0.05, R = 0.46), and the low PD-1-expression group showed a better malignant-free survival than high PD-1 expression group in the OLK (p < 0.05). CONCLUSION The PD-1/PD-L1 may induce immune suppression in OLK and accelerate the progress of malignant transformation.
Collapse
Affiliation(s)
- Shuang-Bo Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Meng-Yao Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Xin-Zhan Shi
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Periodontology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Qiong Wang
- Department of Oral medical center, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu, China
| | - Miao Yu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Periodontology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Wei Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Xiao-Hui Xu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of the First Outpatient, College of Stomatology, Nanjing Medical University, Nanjing, China
| | - Lai-Kui Liu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| |
Collapse
|
4
|
Zhang MR, Zhang L, Aierken A, Chen Q, Yu L, Xu XH, Qiu ZM. [Esophageal dysmotility detection in patients with gastroesophageal reflux-related cough and its influence on the efficacy of anti-reflux therapy]. Zhonghua Jie He He Hu Xi Za Zhi 2023; 46:985-992. [PMID: 37752040 DOI: 10.3760/cma.j.cn112147-20230223-00086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Objective: To investigate the characteristics of esophageal dysmotility in patients with an initial diagnosis of acid/non-acid gastroesophageal reflux-related cough (GERC), and its correlation with the therapeutic response to anti-reflux treatments to search for the useful indicators to screen patients with chronic cough suitable for anti-reflux therapy. Methods: A total of 173 patients with suspicious GERC who attended the Chronic Cough Specialist Clinic of Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University between June 2020 and December 2022 were retrospectively selected for the study. The age of the patients was (45.1±14.6) years old, including 87 males and 86 females. Their demographic characteristics, clinical manifestations, and the results of high-resolution manometry (HRM) and multichannel intraluminal impedance-pH monitoring (MII-pH) were collected. Information on the etiological identification process and final diagnosis was also recorded. The recruited cases were grouped according to therapeutic outcomes and divided into cases with a favourable response to conventional anti-reflux treatment, cases with a favourable response to intensified anti-reflux treatment, and cases with no response to anti-reflux treatment. Factors influencing the efficacy of anti-reflux treatment were investigated. Differences between groups were compared using the χ2 test, Student-Newman-Keuls test, and Kruskal-Wallis H(K) test, where applicable. Logistic regression analysis using forward stepwise regression based on maximum likelihood estimation was used to screen for influence factors. Results: The 175 patients with suspicious GERC included 45 (26.0%) patients who responded to conventional anti-reflux treatment, 54 (31.2%) who responded to intensified anti-reflux treatment and 74 (42.8%) who did not respond to anti-reflux therapies. Esophageal dysmotility was present in 52.0% of patients (90/173), but was less common in patients who responded to conventional anti-reflux treatment (χ2=8.09, P=0.018). Although the majority of reflux episodes were non-acid (136/173, 78.6%), the proportion of acid reflux (χ2=19.49, P<0.001) and acid exposure time (H=11.04, P=0.004) were significantly higher in patients who responded to conventional anti-reflux treatment. The patients with acid and non-acid GERC had comparable proportion of esophageal dysmotility (64.9% vs. 48.5%, χ2=3.11, P=0.078), with a shorter break [2.4 (0.7, 5.6) cm vs. 6.1 (1.4, 10.0) cm, Z=-2.39, P=0.017], longer upper esophageal sphincter [(4.1±0.9) cm vs. (3.7±1.3) cm, t=-2.09, P=0.038], higher percentage of normal esophageal contractions [60.0% (17.8%, 90.0%) vs. 30.0% (0, 80.0%), Z=-2.14, P=0.032], and lower percentage of large break [10.0% (0, 40.0%) vs. 50.0% (0, 100.0%), Z=-2.92, P=0.004] in the patients with non-acid GERC. The mean resting pressure of the lower esophageal sphincter was significantly lower (H=7.49, P=0.024), while the percentage of ineffective esophageal contractions was markedly higher (H=8.60, P=0.014) in the patients who responded to intensified anti-reflux treatment and in the patients who did not respond to the anti-reflux therapies. Multifactorial logistic regression analysis identified the percentage of ineffective contraction as an independent factor predicting the efficacy of conventional anti-reflux treatment, with a cut-off value of≤45% and a moderate predictive value (AUC=0.67, P=0.004). Conclusions: Esophageal dysmotility is common in GERC patients with different characteristics in acid and non-acid GERC. The percentage of ineffective esophageal contraction may be a useful indicator for selecting an anti-reflux strategy and predicting treatment outcomes.
Collapse
Affiliation(s)
- M R Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - L Zhang
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Alimire Aierken
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Q Chen
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - L Yu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - X H Xu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| | - Z M Qiu
- Department of Pulmonary and Critical Care Medicine, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200065, China
| |
Collapse
|
5
|
Xu XH, Wang Y, Wei FS, Feng XS, Bo MH, Tang HW, Wang DS, Bian L, Wang BY, Zhang WY, Huang YS, Li Z, Guo JP, Zuo PB, Jiang CW, Xu XJ, Zhou ZL, Zou P. Characteristics of flight delays during solar flares. Sci Rep 2023; 13:6101. [PMID: 37055539 PMCID: PMC10102245 DOI: 10.1038/s41598-023-33306-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 04/10/2023] [Indexed: 04/15/2023] Open
Abstract
Solar flares are one of the severest solar activities that have important effects on near-Earth space. Previous studies have shown that flight arrival delays increase as a result of solar flares, but the intrinsic mechanism behind this relationship is still unknown. In this study, we conducted a comprehensive analysis of flight departure delays during 57 solar X-ray events by using a huge amount of flight data (~ 5 × 106 records) gathered over a 5-year period. It is found that the average flight departure delay time during solar X-ray events increased by 20.68% (7.67 min) compared to quiet periods. Our analysis also revealed apparent time and latitude dependencies, with flight delays being more serious on the dayside than on the nightside and longer (shorter) delays tending to occur in lower (higher) latitude airports during solar X-ray events. Furthermore, our results suggest that the intensity of solar flares (soft X-ray flux) and the Solar Zenith Angle directly modulate flight departure delay time and delay rate. These results indicate that communication interferences caused by solar flares directly affect flight departure delays. This work expands our conventional understanding of the impacts of solar flares on human society and provides new insights for preventing or coping with flight delays.
Collapse
Affiliation(s)
- X H Xu
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
| | - Y Wang
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China.
- Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China.
| | - F S Wei
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
- Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China
| | - X S Feng
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
- Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China
| | - M H Bo
- Travelsky Mobile Technology Limited, Beijing, China
| | - H W Tang
- Travelsky Mobile Technology Limited, Beijing, China
| | - D S Wang
- Travelsky Mobile Technology Limited, Beijing, China
| | - L Bian
- Travelsky Mobile Technology Limited, Beijing, China
| | - B Y Wang
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
| | - W Y Zhang
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
| | - Y S Huang
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
| | - Z Li
- Nanjing University of Information Science and Technology, Nanjing, China
| | - J P Guo
- Institute for Frontiers in Astronomy and Astrophysics, Beijing Normal University, Beijing, China
- Planetary and Space Physics Group, Department of Astronomy, Beijing Normal University, Beijing, China
| | - P B Zuo
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
- Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China
| | - C W Jiang
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
- Key Laboratory of Solar Activity and Space Weather, National Space Science Center, Chinese Academy of Sciences, Beijing, China
| | - X J Xu
- State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macao, China
| | - Z L Zhou
- State Key Laboratory of Lunar and Planetary Sciences, Macau University of Science and Technology, Macao, China
| | - P Zou
- Shenzhen Key Laboratory of Numerical Prediction for Space Storm, Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen, China
| |
Collapse
|
6
|
Zhang ZL, He N, Xu XH, Men P, Guan L, Li DH, Zhai SD. [Drug clinical comprehensive evaluation of tetrandrine in the treatment of pneumoconiosis]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:217-221. [PMID: 37006149 DOI: 10.3760/cma.j.cn121094-20220829-00430] [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: 04/04/2023]
Abstract
Objective: To analyze the safety, effectiveness, economics, innovation, suitability and accessibility of tetrandrine in the treatment of pneumoconiosis, and provide evidence-based basis for health policy decision-making and clinical practice. Methods: In July 2022, the system searched PubMed, Embase, the Cochrane Library, CNKI, Wanfang, SinoMed databases (the retrieval time was from the establishment of the database to June 30, 2022), screened the documents that meet the standards, extracted and evaluated the data, and used the "HTA checklist" developed by the International Network of Agencies for Health Technology Assessment (INAHTA) to evaluate the HTA report. AMSTAR-2 Scale was used to evaluate the quality of systematic evaluation/Meta analysis. CHEERS Scale was used to evaluate the quality of pharmacoeconomics research. The included cohort study or case-control study was evaluated with the Newcastle-Ottawa Scale. The included randomized controlled trial (RCT) studies were evaluated using the Cochrane Risk Bias Assessment Tool (Cochrane RCT) quality evaluation criteria. Comprehensive comparison and analysis based on the characteristics of the data included in the study. Results: A total of 882 related literatures were detected from the initial screening. According to relevant standards, 8 RCT studies were finally selected for analysis. Statistical results showed that basic treatment with tetrandrine could better improve FEV(1) (MD=0.13, 95%CI: 0.06-0.20, P<0.001), FEV(1)/FVC (MD=4.48, 95%CI: 0.61-8.35, P=0.02) and clinical treatment efficiency. Tetrandrine had a low incidence of adverse reactions. The affordability coefficient of tetrandrine tablets was 0.295-0.492. Conclusion: Tetrandrine can improve the clinical symptoms and pulmonary ventilation function of pneumoconiosis patients, most of the adverse reactions are mild, and the clinical application is safe.
Collapse
Affiliation(s)
- Z L Zhang
- Department of Pharmacy, Peking University Third Hospital, Beijing 100191, China
| | - N He
- Department of Pharmacy, Peking University Third Hospital, Beijing 100191, China
| | - X H Xu
- Department of Pharmacy, Peking University Third Hospital, Beijing 100191, China
| | - P Men
- Department of Pharmacy, Peking University Third Hospital, Beijing 100191, China
| | - L Guan
- Department of Occupational Disease, Peking University Third Hospital, Beijing 100191, China
| | - D H Li
- National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - S D Zhai
- Department of Pharmacy, Peking University Third Hospital, Beijing 100191, China
| |
Collapse
|
7
|
Wang L, Huang ZM, Jiang YY, Zhu M, Zhang N, Xiong FB, Zou HZ, Xu XH. [Application study of stool-based methylated SDC2 test in the screening of colorectal neoplasms for physical examination population]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1767-1773. [PMID: 36536564 DOI: 10.3760/cma.j.cn112150-20220314-00233] [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: 12/31/2022]
Abstract
Objective: To investigate the value of stool-based methylated SDC2 test in physical examination population for the screening of colorectal neoplasms. Methods: Using the prospective cohort study method, from December 2020 to November 2021, 2 107 participants from the First People's Hospital of Xiushui County, Jiangxi Province were enrolled, consisted of 1 012 males and 1 094 females, aged 20-90 years with the median age of 49 years old. Fresh stool samples were collected and SDC2 DNA methylation tests were carried out as the primary screening method. The participants with positive results were recommended to undergo colonoscopy, and those who were negative were followed up by telephone. The positive rate of screening, the compliance of colonoscopy, and the detection of colorectal lesions were analyzed by chi-square test. Combined the follow-up results of negative subjects, the value of SDC2 DNA methylation test for the screening of colorectal neoplasms was evaluated. Results: Among the 2 107 participants, 2 106 completed the SDC2 methylation test. 113 participants (5.4%) were positive. The positive rate of primary screening increased with age significantly (χ2=32.135, P<0.001). Out of 113 cases, 72 (63.7%) underwent colonoscopy examinations. Finally, 3 (4.2%) cases of colorectal cancer, 12 (16.7%) cases of advanced adenoma, 31 (43.1%) cases of non-advanced adenoma, and 16 (22.2%) cases of non-adenomatous polyp were detected. The positive predictive value (PPV) of stool-based SDC2 DNA methylation test for intestinal lesions and colorectal neoplasms were 86.1% and 63.9%, respectively. Among the 1 374 follow-up participants, the negative predictive value (NPV) of this test for intestinal lesions and colorectal neoplasms were 97.7% and 99.4%, respectively. Conclusion: Primary stool-based SDC2 DNA methylation test and subsequent colonoscopy examination can effectively find colorectal neoplasms. This strategy may be a potential tool for the screening of colorectal neoplasms in general risk population.
Collapse
Affiliation(s)
- L Wang
- Gastroenterology Department, The First People's Hospital of Xiushui County, Jiujiang 332400, China
| | - Z M Huang
- Health Management Center, The First Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Y Y Jiang
- Gastroenterology Department, The First People's Hospital of Xiushui County, Jiujiang 332400, China
| | - M Zhu
- Gastroenterology Department, The First People's Hospital of Xiushui County, Jiujiang 332400, China
| | - N Zhang
- Gastroenterology Department, The First People's Hospital of Xiushui County, Jiujiang 332400, China
| | - F B Xiong
- Gastroenterology Department, The First Hospital of Nanchang, Nanchang 330008, China
| | - H Z Zou
- Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Diseases, The Sixth Affiliated Hospital of Sun Yat-sen University, Guangzhou 510655, China
| | - X H Xu
- Gastroenterology Department, The First People's Hospital of Xiushui County, Jiujiang 332400, China
| |
Collapse
|
8
|
Qi ZY, Zhang JS, Xu XH, Gan ZC, Xiong RC, Zhang SY, Wang JY, Liu MH, Li Y, Wang Q, Li FY, Chen XL. [Implement of mixed reality navigation based on multimodal imaging in the resection of intracranial eloquent lesions]. Zhonghua Wai Ke Za Zhi 2022; 60:1100-1107. [PMID: 36480878 DOI: 10.3760/cma.j.cn112139-20220531-00248] [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: 06/17/2023]
Abstract
Objective: To examine the clinical feasibility of mixed reality navigation (MRN) technology based on multimodal imaging for the resection of intracranial eloquent lesions. Methods: Fifteen patients with intracranial eloquent lesions admitted to the Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital from September 2020 to September 2021 were retrospectively enrolled. There were 7 males and 8 females, aged (50±16) years (range: 16 to 70 years). Postoperative pathological diagnosis included meningioma (n=7), metastatic carcinoma (n=3), cavernous hemangioma, glioma, ependymoma, aneurysmal changes and lymphoma (n=1, respectively). The open-source software was used to perform the three-dimensional visualization of preoperative images, and the self-developed MRN system was used to perform the fusion and interaction of multimodal images, so as to formulate the surgical plan and avoid damaging the eloquent white matter fiber tracts. Traditional navigation, intraoperative ultrasound and fluorescein sodium angiography were used to determine the extent of lesion resection. The intraoperative conditions of MRN-assisted surgery were analyzed, and the setup time and localization error of MRN system were measured. The changes of postoperative neurological function were recorded. Results: MRN based on multimodal imaging was achieved in all patients. The MRN system setup time (M(IQR)) was 36 (12) minutes (range: 20 to 44 minutes), and the localization error was 3.2 (2.0) mm (range: 2.6 to 6.7 mm). The reliability of eloquent white matter fiber tracts localization based on MRN was rated as "excellent" in 11 cases, "medium" in 3 cases, and "poor" in 1 case. There were no perioperative death and no new impairment in motor, language, or visual functions after operation. Transient limb numbness occurred in 1 patient after operation, and recovered to the preoperative state in 2 weeks after operation. Conclusion: The MRN system based on multimodal imaging can improve the surgical accuracy and safety, and reduce the incidence of iatrogenic neurological dysfunction.
Collapse
Affiliation(s)
- Z Y Qi
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - J S Zhang
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - X H Xu
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - Z C Gan
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - R C Xiong
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - S Y Zhang
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - J Y Wang
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - M H Liu
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - Y Li
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Q Wang
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - F Y Li
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| | - X L Chen
- Department of Neurosurgery, the First Medical Center, People's Liberation Army General Hospital, Beijing 100853, China
| |
Collapse
|
9
|
Cao YW, Chu J, Xu XH, Zhao ZH, Zhao Q, Liu QY, Lu ZL, Ma W. [Intraseasonal variation of the association between cold temperature and mortality risk in Shandong Province]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1429-1434. [PMID: 36274609 DOI: 10.3760/cma.j.cn112150-20220429-00430] [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 explore the intraseasonal variation in mortality risk from cold temperature exposure in Shandong Province. Methods: Mortality data in Shandong province from 2013 to 2018 were collected from the cause of death surveillance system of Shandong Center for Disease Control and Prevention. The basic information mainly included the date of death, age, gender, education level, cause of death, home address, etc. The daily meteorological data from China Meteorological Data Network mainly included the grid coordinate data of 0.01°×0.01° latitude and longitude, such as daily average temperature (℃) and daily average relative humidity (%). The cold season was from November to February. The first two months were the early cold season and the last two months were the late cold season. The extreme cold temperature was defined as the 10th percentile of the temperature range of cold season. Time-stratified case crossover design with distributed lag non-linear model analyzed the association between temperature and mortality and the association between extreme low temperature and mortality in different lag days in the cold season, and compared the intraseasonal differences between early (November-December) and late (January-February) cold season. Results: The temperature ranged from -17.3 ℃ to 18.6 ℃ in Shandong Province during the cold season from 2013 to 2018, and the P10 (extreme low temperature) was -13.7 ℃. The average daily temperature in the early cold season was (3.63±4.66) ℃. The temperature in the late cold season was (-0.09±3.70) ℃. The average daily relative humidity was (63.89±14.75) % in the early cold season and (62.27±14.19) % in the late cold season. This study included 1 473 300 deaths in the cold season in Shandong Province between 2013 and 2018. There were 824 601 (55.97%) males and 349 824 (23.75%) cases aged<65 years. There were 803 691 (54.55%) deaths due to circulatory diseases and 140 415 (9.53%) deaths due to respiratory diseases. The results of DLNM showed that the cumulative OR of extreme low temperature in the four months of cold season was 1.74 (95%CI: 1.63, 1.86) with the optimal temperature of 18.6 ℃ as the reference. The cumulative OR values of early and late cold season were 1.50 (95%CI: 1.32, 1.71) and 2.56 (95%CI: 2.12, 3.09), respectively (P<0.001). The lag effect lasted for 12 d. Conclusion: There is an intraseasonal variation of the association between cold temperature and mortality risk in Shandong Province. The mortality risk related to cold temperature in the late cold season is higher than that in the early cold season.
Collapse
Affiliation(s)
- Y W Cao
- Department of Epidemiology,School of Public Health, Shandong University, Jinan 250012, China Shandong University Climate Change and Health Center, Jinan 250012, China
| | - J Chu
- Department of Chronic and Non-Communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - X H Xu
- Department of Chronic and Non-Communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Z H Zhao
- Department of Epidemiology,School of Public Health, Shandong University, Jinan 250012, China Shandong University Climate Change and Health Center, Jinan 250012, China
| | - Q Zhao
- Department of Epidemiology,School of Public Health, Shandong University, Jinan 250012, China Shandong University Climate Change and Health Center, Jinan 250012, China
| | - Q Y Liu
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
| | - Z L Lu
- Department of Chronic and Non-Communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China
| | - Wei Ma
- Department of Epidemiology,School of Public Health, Shandong University, Jinan 250012, China Shandong University Climate Change and Health Center, Jinan 250012, China
| |
Collapse
|
10
|
Chu J, Xu ML, Lu ZL, Liu J, Chen XX, Dong J, Xu XH, Fu ZT, Jiang F, Guo XL. [Mortality level and tendency of road traffic injury in Shandong Province from 2012 to 2020]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1307-1313. [PMID: 36207896 DOI: 10.3760/cma.j.cn112150-20220520-00510] [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 analyze the mortality level and tendency of road traffic injury in Shandong province from 2012 to 2020. Methods: Based on the data of road traffic deaths from the cause of death registration system in Shandong province from 2012 to 2020, the mortality rates of road traffic injury were calculated by sex, age, area, and injury type. The mortality was standardized based on the age structure of the Chinese population in the sixth Population Census in 2010. The annual percent change (APC) and average annual percent change (AAPC) of the mortalities and the standarized mortalities were calculated by using Joinpoint regression model, and the trends were also examined. Results: In 2020, the crude mortality of road traffic injury in Shandong Province was 15.58/100 000, and the standardized mortality was 12.90/100 000. From 2012 to 2020, the standardized mortality of road traffic injury in Shandong province showed a downward trend with AAPC of -5.4%. The standardized mortality of middle-south mountain areas, male and children aged 0-14 years in Shandong showed a significantly decreasing trend with AAPC of -6.8%, -6.1% and -6.0%, respectively. The standardized mortality of people aged 65 years and over did not decrease significantly, but the number of deaths increased significantly by 50.96% in 2020 (5 780 cases), compared with those in 2012 (3 829 cases). The standardized mortality of pedestrian and motorcyclists decreased significantly with AAPC of -7.5% and -6.7%, respectively. There was no significant change in the standardized mortality among people who rode motor vehicles or bicycles. Conclusion: From 2012 to 2020, the standardized mortality of road traffic injury in Shandong Province showed an obvious downward trend, but the standardized mortality of people aged 65 years and over did not decrease significantly. In the future, it is still necessary to take government-led, multi-sectoral collaboration, with a focus on comprehensive preventive measures, to further reduce road traffic injury mortality.
Collapse
Affiliation(s)
- J Chu
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - M L Xu
- Cheeloo College of Medicine, Shandong University, Jinan 250012, China Department of Burn and Plastic Surgery, Shandong Provincial Hospital, Jinan 250021, China
| | - Z L Lu
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - J Liu
- Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - X X Chen
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - J Dong
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - X H Xu
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - Z T Fu
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - F Jiang
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| | - X L Guo
- Department of Non-communicable Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan 250014, China Institute of Preventive Medicine, Shandong University, Jinan 250014, China
| |
Collapse
|
11
|
Li J, Yang J, Feng JY, Xu XH, Xu TL, Dong WL, Zhang YB, Zhou M. [Construction of IPA decision model for diabetes prevention and control based on economy and importance]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:947-951. [PMID: 35899347 DOI: 10.3760/cma.j.cn112150-20210825-00829] [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 determine the priority of diabetes prevention and control measures in the perspective of the economy and importance, and provide theoretical support for guiding relevant departments to implement measures based on actual economic level. Methods: An online survey was conducted on the importance, feasibility and implementation of major chronic disease prevention and control measures in 488 national demonstration areas for comprehensive chronic disease prevention and control. The content of the survey was divided into individual and group levels, with 10 dimensions and 44 measures, to obtain the scores of the economy and importance. IPA model was used to divide the dimension index of diabetes prevention and control into quadrants. The standardized factor load coefficient of the second-order confirmatory factor analysis was used to determine the priority of dimension index in the same quadrant. The priority of prevention and control measures in each dimension was determined by the discriminant parameter of project response theory. Results: The mean scores of economy and importance were 66.50 and 89.94, respectively, and the matrix was divided into four quadrants. The first quadrant was the "highest priority" with high importance and economy, including medical insurance and family doctors, health education, high-risk detection and intervention, patient management and community action. The second quadrant was characterized as high importance but low economy, which was the priority for improvement, including only one dimension of complication screening. The third quadrant was the lowest priority due to low importance and economy, including personal health service evaluation and follow-up, environmental support, diabetes co-infection prevention and glycemic policy. The last quadrant had low importance but high economy, which was the second improvement level. The priority measures in different quadrants were: (1) the highest priority: blood lipid control, occupational site, prevention and control work plan, blood glucose testing, family doctor contract service; (2) the priority improvement: annual neuropathy screening; (3)the lowest priority: universal access to risk scoring, healthy eating, healthy dining innovations and tuberculosis screening. Conclusion: IPA model can be used to construct a decision-making model for diabetes prevention and control and determine the priority of corresponding measures.
Collapse
Affiliation(s)
- J Li
- Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, Taiyuan 030000, China
| | - J Yang
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - J Y Feng
- Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, Taiyuan 030000, China
| | - X H Xu
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - T L Xu
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - W L Dong
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Y B Zhang
- Shanxi Provincial Key Laboratory of Major Diseases Risk Assessment, Shanxi Medical University, Taiyuan 030000, China
| | - Maigeng Zhou
- National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| |
Collapse
|
12
|
Xu J, Wang Q, Song YF, Xu XH, Zhu H, Chen PD, Ren YP. Long noncoding RNA X-inactive specific transcript regulates NLR family pyrin domain containing 3/caspase-1-mediated pyroptosis in diabetic nephropathy. World J Diabetes 2022; 13:358-375. [PMID: 35582664 PMCID: PMC9052004 DOI: 10.4239/wjd.v13.i4.358] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/24/2022] [Accepted: 03/17/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND NLRP3-mediated pyroptosis is recognized as an essential modulator of renal disease pathology. Long noncoding RNAs (lncRNAs) are active participators of diabetic nephropathy (DN). X inactive specific transcript (XIST) expression has been reported to be elevated in the serum of DN patients.
AIM To evaluate the mechanism of lncRNA XIST in renal tubular epithelial cell (RTEC) pyroptosis in DN.
METHODS A DN rat model was established through streptozotocin injection, and XIST was knocked down by tail vein injection of the lentivirus LV sh-XIST. Renal metabolic and biochemical indices were detected, and pathological changes in the renal tissue were assessed. The expression of indicators related to inflammation and pyroptosis was also detected. High glucose (HG) was used to treat HK2 cells, and cell viability and lactate dehydrogenase (LDH) activity were detected after silencing XIST. The subcellular localization and downstream mechanism of XIST were investigated. Finally, a rescue experiment was carried out to verify that XIST regulates NLR family pyrin domain containing 3 (NLRP3)/caspase-1-mediated RTEC pyroptosis through the microRNA-15-5p (miR-15b-5p)/Toll-like receptor 4 (TLR4) axis.
RESULTS XIST was highly expressed in the DN models. XIST silencing improved renal metabolism and biochemical indices and mitigated renal injury. The expression of inflammation and pyroptosis indicators was significantly increased in DN rats and HG-treated HK2 cells; cell viability was decreased and LDH activity was increased after HG treatment. Silencing XIST inhibited RTEC pyroptosis by inhibiting NLRP3/caspase-1. Mechanistically, XIST sponged miR-15b-5p to regulate TLR4. Silencing XIST inhibited TLR4 by promoting miR-15b-5p. miR-15b-5p inhibition or TLR4 overexpression averted the inhibitory effect of silencing XIST on HG-induced RTEC pyroptosis.
CONCLUSION Silencing XIST inhibits TLR4 by upregulating miR-15b-5p and ultimately inhibits renal injury in DN by inhibiting NLRP3/caspase-1-mediated RTEC pyroptosis.
Collapse
Affiliation(s)
- Jia Xu
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| | - Qin Wang
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| | - Yi-Fan Song
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| | - Xiao-Hui Xu
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| | - He Zhu
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| | - Pei-Dan Chen
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| | - Ye-Ping Ren
- Department of Nephrology, Shenzhen University General Hospital, Shenzhen 518000, Guangdong Province, China
| |
Collapse
|
13
|
Zhang ZH, Xiong JM, Zhu YY, Zhang XD, Wu WJ, Zhou L, Zhuang JH, Xu XH. WNK3-PER1 interactions regulate the circadian rhythm in the suprachiasmatic nucleus in rats. Am J Transl Res 2022; 14:1001-1009. [PMID: 35273702 PMCID: PMC8902561] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 07/08/2021] [Indexed: 06/14/2023]
Abstract
PER1 is a core component of the internal time-keeping system. In the suprachiasmatic nucleus, it serves as the primary circadian pacemaker in mammalian brains. PER1 functions with other clock components to generate a feedback loop involving the transcriptional repression of gene expression to produce a circadian rhythm with an approximately 24-hour cycle. Post-transcriptional modifications (PTMs) are a basic regulatory mechanism that both perpetuate self-sustained oscillations and interpret metabolic input into circadian physiology by affecting factors such as protein stability, interactions, localization, and activity. Here we examined whether the serine/threonine protein kinase WNK3, which is expressed in a circadian rhythm, can interact and colocalize with PER1 in the SCN. In rats, WNK3 knockdown in the SCN is associated with altered sleep patterns. Moreover, WNK3 can phosphorylate PER1 to promote its degradation and is associated with circadian oscillations when PER1 is expressed in vitro.
Collapse
Affiliation(s)
- Zhao-Huan Zhang
- School of Preclinical Medicine, Wannan Medical CollegeWuhu 241001, Anhui, China
- Department of Laboratory Medicine, Changzheng Hospital, Naval Medical UniversityShanghai 200003, China
| | - Jian-Mei Xiong
- Department of Neurology, Hainan Hospital, General Hospital of PLASanya 572014, Hainan, China
| | - Yun-Yi Zhu
- School of Life Sciences, Shanghai UniversityShanghai 200444, China
| | - Xiao-Dan Zhang
- School of Life Sciences, Shanghai UniversityShanghai 200444, China
| | - Wen-Jie Wu
- School of Life Sciences, Shanghai UniversityShanghai 200444, China
| | - Lin Zhou
- Department of Laboratory Medicine, Changzheng Hospital, Naval Medical UniversityShanghai 200003, China
| | - Jian-Hua Zhuang
- Department of Neurology, Changzheng Hospital, Naval Medical UniversityShanghai 200003, China
| | - Xiao-Hui Xu
- School of Preclinical Medicine, Wannan Medical CollegeWuhu 241001, Anhui, China
- School of Life Sciences, Shanghai UniversityShanghai 200444, China
| |
Collapse
|
14
|
Zhang ZH, Hu J, Chen Q, Chen J, Hu X, Koh K, Chen H, Xu XH. The magnetic-nanoparticle-assisted sensitive detection of nitrated α-syn in blood based on a sensitizing electrochemical layer. Nanoscale 2021; 13:8107-8117. [PMID: 33881108 DOI: 10.1039/d1nr01415c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Parkinson's disease (PD) is the second most prevalent neurodegenerative disease. Nitrated α-synuclein (α-syn) in the blood is a potentially efficient biomarker for PD in its early stages. In this work, an ultrasensitive electrochemical immunosensor was developed for the specific detection of nitrated α-syn. Supramolecule-mediated AuNP composites (GNCs) were modified on the gold electrode as a sensing film to capture anti-nitrated α-syn. Basic characterization studies revealed that GNCs were composed of abundant binding sites and had high conductivity with a large surface area, biocompatibility, and remarkable electrochemical activity. Anti-α-syn-modified magnetic nanoparticles (MNPs) were used as signal amplification tags to construct a sensitive sandwich assay. With a high specific surface area, strong conductivity, and abundant active sites, GNCs as an amplifying matrix can enhance the performance of the immunoassay and obtain preliminary signal amplification. MNPs showed excellent stability and led to a net decrease in the charge-transfer resistance due to their unique spherical structure and high conductivity, resulting in a sensitive electrochemical signal change according to the nitrated α-syn concentration in the sample. Therefore, this simple nitrated α-syn immunoassay with sensitivity and selectivity has potential for practical clinical applications.
Collapse
Affiliation(s)
- Zhao-Huan Zhang
- Department of Laboratory Medicine, Changzheng Hospital, Naval Medical University, Shanghai, 200003, PR China
| | - Junjie Hu
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, PR China.
| | - Qiang Chen
- School of Medicine, Shanghai University, Shanghai 200444, PR China
| | - Jie Chen
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, PR China. and School of Medicine, Shanghai University, Shanghai 200444, PR China
| | - Xiaojun Hu
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, PR China.
| | - Kwangnak Koh
- Institute of General Education, Pusan National University, Busan, 609-735, Republic of Korea
| | - Hongxia Chen
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, PR China.
| | - Xiao-Hui Xu
- School of Preclinical Medicine, Wannan Medical College, Wuhu 241001, PR China. and School of Life Sciences, Shanghai University, Shanghai 200444, PR China
| |
Collapse
|
15
|
Xu XH, He WJ, Guo F, Wang LB, Cui FG, Wang HY, Zhu QS. Medium-Term Clinical Results of High-Flexion Knee Prostheses in Patients with Rheumatoid Arthritis. Orthop Surg 2021; 13:1277-1283. [PMID: 33955670 PMCID: PMC8274214 DOI: 10.1111/os.12933] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 12/22/2020] [Accepted: 12/27/2020] [Indexed: 11/06/2022] Open
Abstract
Objective This study was performed to evaluate the function and satisfaction outcome of patients with rheumatoid arthritis (RA) who underwent total knee arthroplasty (TKA) with high‐flexion prostheses. Materials and methods Twenty‐two patients (35 knees) using high‐flexion prostheses (Zimmer, Warsaw, IN) were followed up for a period of 7–11 years from February 2007 to December 2009. Clinical and radiographic follow‐up was performed using Hospital for Special Surgery (HSS), Short‐Form 36 scores (SF‐36), American Knee Society score (KSS), and Knee Society Total Knee Arthroplasty Roentgenographic Evaluation and Scoring System. Patient satisfaction assessments took place at the final follow‐up sessions using the Marsh Satisfaction Questionnaire. Results The average ROM improved from preoperative 68.43° ± 33.78° to 95.54° ± 7.03° at the final follow‐up. The HSS score and KSS score for pain improved from (46.49 ± 12.73) points to (85.46 ± 3.90) points and from 20.57 ± 5.91 points to 47.43 ± 3.51 points at the follow‐up evaluation, respectively. Physical Component Summary(PCS) and Physical Component Summary (MCS) scores were 45.38 and 52.56, respectively by the end of follow‐up. Deep venous thrombosis developed in one patient and one patient required surgical revision due to infection. There were no instances of prosthetic loosening. The satisfaction rate of patients was 95.5%. Conclusion Although this particular model of TKA did not yield high‐flexion angles (ie, 140°) required for kneeling, squatting, or rising from the floor, significant clinical and radiographic gains were evident in these patients with RA.
Collapse
Affiliation(s)
- Xiao-Hui Xu
- Department of Orthopaedics, DeZhou People's Hospital, DeZhou, Shandong, China.,Department of Orthopaedics, Xijing Hospital, Air Force Military Medical University, Changle West Road, Xi'an, China
| | - Wen-Jian He
- Department of Orthopaedics, DeZhou People's Hospital, DeZhou, Shandong, China
| | - Feng Guo
- Department of Orthopaedics, DeZhou People's Hospital, DeZhou, Shandong, China
| | - Li-Bin Wang
- Department of Medical college, Shananxi Engergy Institue, Xianyang, China
| | - Feng-Guo Cui
- Department of Orthopaedics, DeZhou People's Hospital, DeZhou, Shandong, China
| | - Hua-Yi Wang
- Department of Orthopaedics, Xijing Hospital, Air Force Military Medical University, Changle West Road, Xi'an, China
| | - Qing-Sheng Zhu
- Department of Orthopaedics, Xijing Hospital, Air Force Military Medical University, Changle West Road, Xi'an, China
| |
Collapse
|
16
|
Xia C, Xu XH, Huang Y. [Research progress of diabetes complicated with invasive lung fungal infection]. Zhonghua Jie He He Hu Xi Za Zhi 2021; 44:128-131. [PMID: 33535327 DOI: 10.3760/cma.j.cn112147-20200509-00573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
|
17
|
Xu WQ, Xu XH, Liu C, Yao LL, Wang XM. [Advances in Hippo signaling pathway in oral squamous cell carcinoma]. Zhonghua Kou Qiang Yi Xue Za Zhi 2021; 56:221-225. [PMID: 33557511 DOI: 10.3760/cma.j.cn112144-20200611-00333] [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: 11/05/2022]
Abstract
Oral squamous cell carcinoma (OSCC) is a common cancer that develops from oral epithelial cells, it has a high incidence, mortality and teratogenic rate, which poses a serious threat to people's life and health.The Hippo signaling pathway plays a key role in tumorigenesis, regulation of stem cell homeostasis, tissue regeneration, and organ size control. In OSCC, activation of Hippo signaling pathway can inhibit malignant biological behavior, epithelial mesenchymal transformation and distant metastasis of tumors, and improve the survival rate of patients. Considering the importance of the Hippo signaling pathway in the development of cancer, this paper summarized the composition and regulatory mechanism of Hippo pathway, elaborated the role of Hippo signaling pathway in the occurrence and development of OSCC.At the same time, make a simple generalization about the potential therapeutic approaches and strategies to reduce the risk of drug resistance for OSCC patients targeting this pathway.
Collapse
Affiliation(s)
- W Q Xu
- Department of Dentistry, The Second Affiliated Hospital of Harbin Medical University, Harbin 150000, China
| | - X H Xu
- Department of Dentistry, The Second Affiliated Hospital of Harbin Medical University, Harbin 150000, China
| | - C Liu
- Department of Dentistry, The Second Affiliated Hospital of Harbin Medical University, Harbin 150000, China
| | - L L Yao
- Department of Dentistry, The Second Affiliated Hospital of Harbin Medical University, Harbin 150000, China
| | - X M Wang
- Department of Dentistry, The Second Affiliated Hospital of Harbin Medical University, Harbin 150000, China
| |
Collapse
|
18
|
Yang WH, Zhou RM, Wang L, Xiang XJ, Guo ZJ, Xu XH. [Analysis of cases with maxillofacial arteriovenous malformation treated with balloon temporary block and percutaneous puncture sclerotherapy]. Zhonghua Kou Qiang Yi Xue Za Zhi 2021; 56:94-97. [PMID: 34645242 DOI: 10.3760/cma.j.cn112144-20200211-00047] [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: 11/05/2022]
Abstract
To analysis the treatment effectiveness of maxillofacial arteriovenous malformation (AVM) by means of temporary balloon block and percutaneous puncture sclerotherapy. The treatment outcomes of 20 patients with AVM of maxillofacial deformity, aged (26.8±3.0) 18-36 years, from Dec 2012 to Dec 2019 were collected and retrospectively analyzed. All patients had been diagnosed AVM by digital substraction angiography (DSA). All the cases were treated by using balloons to temporary block responsible artery of the AVM in order to change the high-flow malformations into low-flow venous malformation. Then injection of polyethylene foam cinnamyl alcohol was conducted via percutaneous puncturing for hardening the vascular malformation. Comparing the symptoms and imaging changes before treatment with those 1-6 months after treatment according to Achauer curative effect evaluation standard. Totally 60% (12/20) of the cases were type Ⅱa AVM, and their treatments were effective. However, the treatment effects of type Ⅲb and type Ⅳ patients were relatively poor. The clinical effective rate was 85% (17/20), and the clinical curative rate was 50% (10/20). No skin necrosis, organ damage and other serious complications were observed for the 20 patients. The AVM patients with a main supply artery treated by using a balloon artery temporary block to make high flow malformations into low-flow and followed by percutaneous puncture sclerotherapy, could get good curative effect. It seemed that this approach was safe and effective.
Collapse
Affiliation(s)
- W H Yang
- Center of the Diagnosis and Treatment Interventional, the University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - R M Zhou
- Center of the Diagnosis and Treatment Interventional, the University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - L Wang
- Center of the Diagnosis and Treatment Interventional, the University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - X J Xiang
- Center of the Diagnosis and Treatment Interventional, the University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - Z J Guo
- Center of the Diagnosis and Treatment Interventional, the University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - X H Xu
- Department of Ultrasound, the University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| |
Collapse
|
19
|
Xiang Z, Xu XH, Knight GE, Burnstock G. Transient expression of thyrotropin releasing hormone peptide and mRNA in the rat hippocampus following global cerebral ischemia/reperfusion injury. Int J Neurosci 2020; 132:787-801. [PMID: 33080155 DOI: 10.1080/00207454.2020.1840374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION The role of extra-hypothalamic thyrotropin-releasing hormone (TRH) has been investigated by pharmacological studies using TRH or its analogues and found to produce a wide array of effects in the central nervous system. METHODS Immunofluorescence, In situ labeling of DNA (TUNEL), in situ hybridization chain reaction and quantitative real-time polymerase chain reaction were used in this study. RESULTS We found that the granular cells of the dentate gyrus expressed transiently a significant amount of TRH-like immunoreactivity and TRH mRNA during the 6-24 h period following global cerebral ischemia/reperfusion injury. TUNEL showed that apoptosis of neurons in the CA1 region occurred from 48 h and almost disappeared at 7 days. TRH administration 30 min before or 24 h after the injury could partially inhibit neuronal loss, and improve the survival of neurons in the CA1 region. CONCLUSION These data suggest that endogenous TRH expressed transiently in the dentate gyrus of the hippocampus may play an important role in the survival of neurons during the early stage of ischemia/reperfusion injury and that delayed application of TRH still produced neuroprotection. This delayed application of TRH has a promising therapeutic significance for clinical situations.
Collapse
Affiliation(s)
- Zhenghua Xiang
- Department of Neurobiology, MOE Key Laboratory of Molecular Neurobiology, Ministry of Education, Second Military Medical University, Shanghai, PR China
| | - Xiao-Hui Xu
- School of Life Science, Shanghai University, Shanghai, People's Republic of China
| | - Gillian E Knight
- Autonomic Neuroscience Centre, University College Medical School, London
| | - Geoffrey Burnstock
- Autonomic Neuroscience Centre, University College Medical School, London.,Department of Pharmacology and Therapeutics, The University of Melbourne, Australia
| |
Collapse
|
20
|
Liang J, Zhao YX, Shi DM, Li YP, Yu Y, Xu XH, Peng PA, Yu M, Wu YF, Sun TN, Zhou YJ. [Initial implantation experience and short-term follow-up results of implanting leadless intracardiac transcatheter pacing system]. Zhonghua Xin Xue Guan Bing Za Zhi 2020; 48:866-870. [PMID: 33076625 DOI: 10.3760/cma.j.cn112148-20200305-00160] [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: 11/05/2022]
Abstract
Objective: To explore the utility and safety of leadless intracardiac transcatheter pacing system. Methods: The study was a prospective observational study. Patients underwent Micra transcatheter pacing system in Beijing Anzhen hospital from December 2019 to January 2020 were enrolled. The baseline characteristics, platelet count, hemoglobin, anticoagulation and/or antiplatelet therapy, mean procedural time, average fluoroscopy time, number of deployment and electrical parameters (threshold, R-wave amplitude, impedance) were recorded. Ultrasonography of bilateral femoral and iliac veins was performed in all patients. Patients were followed including access site complication, adverse event and device evaluation at implant, hospital discharge, 1 and 3 months post-implant. R-wave≥5 mV, impedance between 400 and 1 500 Ω and threshold increase≤1.5 V than implant is considered a stable parameter. Femoral access site complications included hematoma, hemorrhage, pseudoaneurysm, and arteriovenous fistula. Adverse events included dislodgement, cardiac effusion/perforation and infection. Left ventricular end diastolic diameter and ejection fraction before and at 1 month after implant were reported. Results: Five patients were enrolled and pacemaker implantation was successful in all 5 patients. Patients were all males and the average age was (78.4±8.4) years. 2 patients received aspirin and clopidogrel therapy, 1 patient suffered from anemia and thrombocytopenia occurred in 1 patient. No stenosis, occlusion and vascular malformation of bilateral femoral and iliac veins was observed. The mean implant time was (39.6±1.7) minutes. The average fluoroscopy time was (9.2±1.3) minutes and the number of deployment was (1.40±0.55). Electrical parameters(threshold, R-Wave amplitude and impedance) were as follows: (0.40±0.10) V/0.24 ms, (10.80±3.72) mV and (822.00±162.23) Ω at implant; (0.45±0.07) V/0.24 ms, (13.04±2.41) mV, and (748.0±91.5) Ω at discharge, (0.40±0.06) V/0.24 ms, (14.26±4.11) mV, and (700.0±91.7) Ω at 1 month post-implant and (0.39±0.05) V/0.24 ms, 14.40±3.97 mV, and (682.0±96.0) Ω at 3 months post-implant, respectively. Threshold increase was ≤1.5 V compared to that during implantation, electrical parameters were acceptable and stable. There was no difference in LVEDD [(44.00±5.24) mm vs. (44.00±5.34) mm,P=1.000] and EF [(62.00±3.39)% vs. (62.20±3.56)%, P=0.861] before and 1 month post-implant. No incidence of access site complications, cardiac effusion/perforation, dislodgment or infections occurred during the 3 months. Conclusions: The leadless transcatheter pacemaker implantation performed in our study archived a high implant success rate and favorable safety profile as well as associated with low and stable pacing thresholds. The long-term safety and benefit of leadless pacemaker need to be evaluated in future clinical studies.
Collapse
Affiliation(s)
- J Liang
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - Y X Zhao
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - D M Shi
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - Y P Li
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - Y Yu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - X H Xu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - P A Peng
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - M Yu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - Y F Wu
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - T N Sun
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| | - Y J Zhou
- Department of Cardiology, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Disease, Beijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic Disease, Clinical Center for Coronary Heart Disease, Capital Medical University, Beijing 100029, China
| |
Collapse
|
21
|
Xu XH, Yang J, Wang LJ, Yin P, Liu JM, Dong WL, Wang W, Wang X, Qin L, Zhou MG. [Burden of disease attributed to high level serum low-density lipoprotein cholesterol in China in 2017]. Zhonghua Liu Xing Bing Xue Za Zhi 2020; 41:839-844. [PMID: 32564546 DOI: 10.3760/cma.j.cn112338-20191205-00861] [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: 11/05/2022]
Abstract
Objective: To quantitatively analyze the death and disability-adjusted life years (DALY) attributed to high level serum LDL-C in Chinese population in 2017. Methods: Data were obtained from the '2017 Global Burden of Disease Study (GBD2017)'. Population attributable fraction (PAF), number and rate of deaths and DALY attributable to high LDL-C were used to describe the burden of disease by gender, age groups, diseases and provinces in China. Both rates on mortality and DALY were standardized by GBD world population. Results: In 2017, 862 759 deaths were caused by high level serum LDL-C in China, that accounting for 8.25% of the total deaths. Of the attributable deaths, 705 355 (81.76%) persons died from ischemic heart disease (IHD), while the remaining 18.24% from ischemic stroke (IS). High LDL-C accounted for 40.30% of the total deaths from ischemic heart disease and 18.49% from ischemic stroke. The highest PAF of death (13.70%) appeared in Jilin province and the lowest in Zhejiang province (4.65%). PAF of death was seen higher in females than in males, while both age-standardized rates of mortality and DALY appeared higher in males than in females. High LDL-C attributed mortality rate appeared as 61.08/100 000 after standardization in Chinese population. High LDL-C attributed DALYs were 18.16 million person years, among which 76.76% were caused by IHD (13.94 million person years), with DALY rate as 1285.83/100 000. Among provinces, Heilongjiang showed the highest standardized DALY rate, and Zhejiang the lowest. The PAF, number of deaths, rates on mortality and DALY caused by high LDL-C were high among residents above 70 years old, with the DALY number as 8.56 million person years, highest seen in the age group from 50 to 69 years old. Conclusion: The burden of disease attributed to high level LDL-C was quite high and with gender, age group and interprovincial differences, in China in 2017.
Collapse
Affiliation(s)
- X H Xu
- Division of Comprehensive Prevention and Evaluation, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - J Yang
- Division of Science, Education and International Cooperation, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - L J Wang
- Division of Vital Statistics and Death Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - P Yin
- Division of Vital Statistics and Death Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - J M Liu
- Division of Vital Statistics and Death Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - W L Dong
- Division of Comprehensive Prevention and Evaluation, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - W Wang
- Division of Vital Statistics and Death Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - X Wang
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - L Qin
- Division of Obesity and Metabolic Diseases Control and Prevention, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - M G Zhou
- National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| |
Collapse
|
22
|
Wang X, Zhang M, Wang ZH, Zhang X, Zhao ZP, Huang ZJ, Qi SG, Li C, Xu XH, Wang LM. [Correlation between hypertension label and self-rated health in adult residents in China]. Zhonghua Liu Xing Bing Xue Za Zhi 2020; 41:379-384. [PMID: 32294839 DOI: 10.3760/cma.j.issn.0254-6450.2020.03.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To study the correlation between hypertension label and self-rated health (SRH) in adults aged ≥18 years in China. Methods: Data were from 2013 Chronic Non-communicable Disease and Risk Factor Surveillance Project. The project collected the information through multi stage stratified cluster sampling, face-to-face questionnaire survey and on-site body measurement. The SRH status of the adults was inquired according to the recommendation of Behavioral Risk Factor Surveillance System (BRFSS) in the United States. Blood pressure measurement was performed by using OMRON HBP-1300 electronic sphygmomanometer. Surveymeans and surveyfreq processes were used to describe the general characteristics of the sample population. The cumulative odds logit model was implemented by the processes of surveylogistic to analyze the association between hypertension label and self-rated health in adults in China. Results: A total of 173 008 subjects were included in this study. Hypertension was associated with poorer SRH (OR=1.29, 95%CI: 1.22-1.35, P<0.001), but this association was eliminated by adjustment for hypertension label (P=0.670). Hypertension label was associated with poorer SRH (OR=2.09, 95%CI: 1.96-2.23, P<0.001) and the association was still significant even after adjusting for actual hypertension status (OR=2.08, 95%CI: 1.94-2.23, P<0.001). In hypertension group, those with hypertension label had poorer SRH than those without hypertension label (OR=2.18, 95%CI: 2.02-2.36, P<0.001). In normal blood pressure group, those with hypertension label had poorer SRH than those without hypertension label (OR=1.89, 95%CI: 1.64-2.18, P<0.001). Men's SRH was more sensitive to hypertension label, especially in hypertension group (OR=2.20, 95%CI: 1.98-2.45, P<0.001). The results were all adjusted for demographic factors, smoking status, alcohol consumption, physical activity and chronic diseases. Conclusions: Hypertension label is associated with self-rated health independently in adults in China. The diagnosis of hypertension should strictly follow the latest guidelines.
Collapse
Affiliation(s)
- X Wang
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - M Zhang
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Z H Wang
- Division of Elderly Health, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - X Zhang
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Z P Zhao
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - Z J Huang
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - S G Qi
- Division of Elderly Health, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - C Li
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - X H Xu
- Division of Vital Statistics and Death Surveillance, National Center for Chronic and Non- communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| | - L M Wang
- Division of Non-communicable Disease Risk Factor Surveillance, National Center for Chronic and Non-communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 100050, China
| |
Collapse
|
23
|
Yang HJ, Yang ZM, Xu XH, Guo RB. Increasing the methane production rate of hydrogenotrophic methanogens using biochar as a biocarrier. Bioresour Technol 2020; 302:122829. [PMID: 32028147 DOI: 10.1016/j.biortech.2020.122829] [Citation(s) in RCA: 4] [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: 12/05/2019] [Revised: 01/13/2020] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
The existence of CO2 in biogas will affect its practicality, so the methanation of CO2 is of great significance. Carrier materials play a key role in bioconversion of CO2 to methane during biogas upgrading. Herein, different materials were used to evaluate the bioconversion process of CO2 to methane, which consisted of black ceramsite (BC) and biochars prepared from corn straw and digestate. The results showed that after adding the carrier materials, the methane production rate increased by more than 20%, and the corn straw biochar (CSB) group even increased by more than 70%. This may be attributed to the large specific surface area and more functional groups in corn straw biochar which was suitable for the immobilization of hydrogenotrophic methanogens (HMs). Therefore, corn straw biochar is a good carrier material for the accelerated bioconversion of CO2 to methane.
Collapse
Affiliation(s)
- Hao-Jie Yang
- Shandong Industrial Engineering Laboratory of Biogas Production and Utilization, Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong Province 266101, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Zhi-Man Yang
- Shandong Industrial Engineering Laboratory of Biogas Production and Utilization, Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong Province 266101, PR China
| | - Xiao-Hui Xu
- Shandong Industrial Engineering Laboratory of Biogas Production and Utilization, Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong Province 266101, PR China
| | - Rong-Bo Guo
- Shandong Industrial Engineering Laboratory of Biogas Production and Utilization, Key Laboratory of Biofuels, Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, Shandong Province 266101, PR China; Dalian National Laboratory for Clean Energy, Dalian 116023, PR China.
| |
Collapse
|
24
|
Nunan J, Clarke D, Malakouti A, Tannetta D, Calthrop A, Xu XH, Chan NB, Khalil R, Li W, Walden A. Triage Into the Community for COVID-19 (TICC-19) Patients Pathway - Service evaluation of the virtual monitoring of patients with COVID pneumonia. Acute Med 2020; 19:183-191. [PMID: 33215171] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
INTRODUCTION COVID-19 pneumonia presented a unique problem for healthcare systems with the potential to overwhelm hospitals and lead to unnecessary morbidity and mortality. Safe triage and follow up systems are required to manage this unprecedented demand. METHODS We designed a pathway for the triage and assessment of patients based on their resting oxygen saturations and response to a 30 metre rapid walking test. We admitted patients to a 'Virtual Ward' for remote oximetry monitoring from the Emergency Department, step down from inpatient wards and from the local Primary Care 'Hot Hub'. This allowed the safe and managed readmission of those patients who deteriorated at home. RESULTS During the first wave of COVID-19 we entered 273 onto the pathway for Virtual Ward follow up. Of these, 31 patients were readmitted to hospital, two were admitted to Intensive Care and one patient died. Median oxygen saturation at presentation was 97 % (IQR 96-98%) and following a 30 metre walk test 96% (IQR 94-97%). Median NEWS-2 score was 2 (IQR 1-3). On feedback 99.5% of patients were likely or extremely likely to recommend the service to their family and friends. There was a cost avoidance of £107,600 per month. CONCLUSION It is safe, feasible and cost effective to set up a triage system with remote oximetry monitoring for patients with COVID-19 and overwhelmingly patients find it a positive experience.
Collapse
Affiliation(s)
- J Nunan
- Department of Acute Medicine, Royal Berkshire Hospital, Berkshire
| | - D Clarke
- Department of Emergency Medicine, Royal Berkshire Hospital, Berkshire
| | | | - D Tannetta
- University of Reading, Reading, Berkshire
| | - A Calthrop
- Department of Emergency Medicine, Royal Berkshire Hospital, Berkshire
| | - X H Xu
- Newcastle Medical School, Framlington Place, Newcastle upon Tyne
| | - N B Chan
- Informatics Research Centre, Henley Business School, University of Reading, Whiteknight Campus, United Kingdom
| | - R Khalil
- University of Reading, Reading, Berkshire
| | - W Li
- Informatics Research Centre, Henley Business School, University of Reading, Whiteknight Campus, United Kingdom
| | - A Walden
- Department of Acute Medicine, Royal Berkshire Hospital, Berkshire
| |
Collapse
|
25
|
Abstract
The effects of miR-145 (microRNA 145) on M. pneumoniae (MP)-infected MRC-5 (Medical Research Council cell strain 5) cell TGF-β/Smad (transforming growth factor beta/Smad) fibrosis pathway were explored through constructing MP-infected MRC-5 cell models. In addition, the qPCR (quantitative real-time polymerase chain reaction) and Western blot were applied to detect the mRNA and protein expressions of miR-145, TGF-β1 (transforming growth factor beta 1), Smad3, Smad4, MMP2 (matrix metalloproteinase 2), FN1 (fibronectin 1), ELN (elastin) and COLI α1 (collagen type I alpha 1) signaling molecules in TGF-β/Smad fibrosis pathway. The results showed that the expression of miR-145 in MRC-5 cells was significantly increased after MP infection. In addition, miR-145 inhibited the fibrosis promoting TGF-β/Smad pathway by targeting Smad3, a key factor in the TGF-β/Smad pathway. It can be concluded that, in the process of MP infection, the expression of miR-145 is stimulated to negatively regulate the fibrosis-promoting pathway of TGF-β/Smad.
Collapse
Affiliation(s)
- T Xu
- Department of Critical Care Medicine (First ward), Linzi District People's Hospital, Zibo City, Shandong Province, China
| | - Y X Wu
- Department of Critical Care Medicine (First ward), Linzi District People's Hospital, Zibo City, Shandong Province, China
| | - J X Sun
- Department of Critical Care Medicine (First ward), Linzi District People's Hospital, Zibo City, Shandong Province, China
| | - F C Wang
- Department of Critical Care Medicine (First ward), Linzi District People's Hospital, Zibo City, Shandong Province, China
| | - Z Q Cui
- Department of Critical Care Medicine (First ward), Linzi District People's Hospital, Zibo City, Shandong Province, China
| | - X H Xu
- Department of Rheumatology and Immunology, Qilu Hospital of Shandong University (Qing Dao), Qingdao, Shandong Province, China
| |
Collapse
|
26
|
Chen YH, Wang Q, Zhang YN, Xu XH, Lu J, Zhang SD, Zhang CL. [Value of anti-Müllerian hormone and age in predicting pregnancy outcomes of in vitro fertilization and embryo transfer treatment]. Zhonghua Fu Chan Ke Za Zhi 2019; 54:239-244. [PMID: 31006189 DOI: 10.3760/cma.j.issn.0529-567x.2019.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the value of anti-Müllerian hormone (AMH) and age in predicting outcomes of patients undergoing in vitro fertilization and embryo transfer treatment. Methods: In this retrospective study, 6 328 Chinese patients who underwent the first in vitro fertilization or intracytoplasmic sperm injection and embryo transfer treatment in Henan Provincial People's Hospital between July 2016 and July 2018 were analyzed. All the patients were categorized into two groups according to pregnancy or not. Baseline data and outcomes of two groups were compared. The regression analysis was conducted to identify the independent factors of clinical pregnancy rates. Furthermore, correlation analysis was performed between AMH and other factors. Results: (1) The total clinical pregnancy rate was 56.86% (3 547/6 238). Age, AMH, basal FSH, antral follicle number (AFC), starting dose of gonadotropin (Gn), total doses of Gn, duration of Gn, number of oocytes, transferable cleavage embryos and transferred embryos were significantly different (all P<0.01). (2) Correlation analysis showed that AMH had significant passive correlation with age, basal FSH, starting dose of Gn and total doses of Gn (all P<0.01), while showed significant positive correlation with AFC, body mass index, duration of Gn, number of oocytes and transferable cleavage embryos (all P<0.01). Of all the factors, AMH had the strongest correlation with AFC (P<0.01). (3) Multivariate logistic regression analysis suggested that age was the independent influencing factor of clinical pregnancy rate (OR=0.938, 95%CI: 0.824-0.952, P<0.01), while AMH not (OR=1.004, 95%CI: 0.984-1.024, P=0.687). In the subgroups according to age, the advanced group (age>35 years old) had lower clinical pregnancy rate and higher cancellation rate for no available embryos. Conclusions: AMH has no predictive value of clinical pregnancy outcomes for patients with in vitro fertilization and embryo transfer treatment, while age has certain predictive value of pregnancy outcomes. AMH level may have indictive value for the evaluation of ovarian reserve.
Collapse
Affiliation(s)
- Y H Chen
- Reproductive Medical Center, Henan Provincial People's Hospital, Zhengzhou 450003, China
| | | | | | | | | | | | | |
Collapse
|
27
|
Zhou SH, Xiao X, Sun YN, Xu XH, Ding X, Zhang SY, Zhang M, Lv WL, Gao QH. Ehrlichia species in pond-farmed leeches (Hirudinaria sp.) in Hubei Province, China. PLoS One 2019; 14:e0215082. [PMID: 30958857 PMCID: PMC6453479 DOI: 10.1371/journal.pone.0215082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 03/26/2019] [Indexed: 11/25/2022] Open
Abstract
Leeches are frequently used in traditional Chinese medicine. However, they are potentially hazardous to human and animal health by transmitting several pathogens. Studies of diseases transmitted by leeches are scarce. The purpose of this study was to analyze the pathogens carried in pond-farmed medicinal leech in China. Leeches were collected from 6 farms in Hubei Province in central China. DNA was extracted from the internal organ of leeches to analyze the origin of blood meal. Leech genera were confirmed through amplification of 18S rRNA and mitochondrial gene cytochrome oxidase I (COI) gene by PCR and host animal species were identified through amplification of mitochondrial cytochrome b gene. Species of Ehrlichia in the leech specimens were screened with PCR using specific primers. PCR amplification and DNA sequencing showed that 620 leeches were Hirudinaria sp. Ehrlichia DNA was detected in 39 specimens from 2 farms. We obtained a total of 65 sequences of the cytB gene from 620 leech internal organ samples including sequences of human (n = 5), rat (n = 1), domestic pig (n = 10), duck (n = 23), goose (n = 12) and buffalo (n = 14). Phylogenetic analysis of the rrs and groEL gene sequences showed that Ehrlichia detected in the study were closely related to Ehrlichia sp. in ticks from Korea and Japan. To the best of our knowledge, this is the first report on Ehrlichia DNA being detected from leeches. Our findings provided new data on Ehrlichia spp. and farmed leech species in China.
Collapse
Affiliation(s)
- Shu-Han Zhou
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Xiao Xiao
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
- Lab Animal Research Center, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Yi-Na Sun
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Xiao-Hui Xu
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Xin Ding
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Si-Yi Zhang
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Min Zhang
- Lab Animal Research Center, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Wen-Liang Lv
- Clinical College, Hubei University of Chinese Medicine, Wuhan, Hubei, China
- * E-mail: (WLL); (QHG)
| | - Qing-Hua Gao
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, Hubei, China
- * E-mail: (WLL); (QHG)
| |
Collapse
|
28
|
Wu W, Geng P, Zhu J, Li J, Zhang L, Chen W, Zhang D, Lu Y, Xu X. KLF2 regulates eNOS uncoupling via Nrf2/HO-1 in endothelial cells under hypoxia and reoxygenation. Chem Biol Interact 2019; 305:105-111. [PMID: 30928399 DOI: 10.1016/j.cbi.2019.03.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 03/07/2019] [Accepted: 03/11/2019] [Indexed: 01/05/2023]
Abstract
Kruppel-like factor 2 (KLF2) regulates endothelial functions by modulating endothelial nitric oxide synthase (eNOS)/nitric oxide (NO) pathway. Tetrahydrobiopterin (BH4) and S-glutathionylation of eNOS play essential roles in eNOS uncoupling and activation. However, the influence of KLF2 on eNOS uncoupling and the mechanism of eNOS activation still remain unknown. A hypoxia and reoxygenation (H/R) model of human umbilical vein endothelial cells (HUVECs) was utilized in this study. Cell viability and the eNOS uncoupling-related oxidative stress index were measured. The Nrf2 inhibitor ML385 and HO-1 siRNA were used to elucidate the mechanism of activation. The results show that overexpression of KLF2 increased the cell viability, reduced the lactate dehydrogenase leakage rate, downregulated the generation of O2•- and ONOO-, and increased NO levels and eNOS activity. Overexpression of KLF2 also increased the BH4/BH2 ratio and the GSH/GSSG ratio, thus significantly improving eNOS uncoupling in the H/R model. KLF2 has no regulatory effect on the upstream-associated proteins in eNOS activation. However, when combined with the Nrf2 inhibitor or HO-1 siRNA, the regulatory effect of KLF2 on eNOS uncoupling was strongly reduced. These results suggest that KLF2 could improve eNOS uncoupling via Nrf2/HO-1 in H/R-induced endothelial injury.
Collapse
Affiliation(s)
- WeiDang Wu
- Xidian Grp Hospital, Xi'an, 710077, China
| | | | - Jun Zhu
- Xidian Grp Hospital, Xi'an, 710077, China
| | - JianWei Li
- Xi'an No 4 Hospital, Xi'an, 710004, China
| | - Long Zhang
- Xidian Grp Hospital, Xi'an, 710077, China
| | - WenLu Chen
- Xidian Grp Hospital, Xi'an, 710077, China
| | | | - Yan Lu
- Xidian Grp Hospital, Xi'an, 710077, China
| | - XiaoHui Xu
- Xidian Grp Hospital, Xi'an, 710077, China.
| |
Collapse
|
29
|
Xu XH, Liao Q, Wu MJ, Geng YX, Li DY, Zhu JG, Li CC, Hu RH, Shou YR, Chen YH, Lu HY, Ma WJ, Zhao YY, Zhu K, Lin C, Yan XQ. Detection and analysis of laser driven proton beams by calibrated Gafchromic HD-V2 and MD-V3 radiochromic films. Rev Sci Instrum 2019; 90:033306. [PMID: 30927782 DOI: 10.1063/1.5049499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Accepted: 03/03/2019] [Indexed: 06/09/2023]
Abstract
The radiochromic film (RCF) is a high-dose, high-dynamic range dosimetry detection medium. A stack of RCFs can be used to detect both spatial and energetic distribution of laser driven ion beams with a large divergence angle and continuous energy spectrum. Two types of RCFs (HD-V2 and MD-V3, from Radiation Products Design, Inc.) have been calibrated using MeV energy protons and carbon ions produced by using a 2 × 6 MV tandem electrostatic accelerator. The proportional relationship is obtained between the optical density and the irradiation dose. For protons, the responses are consistent at all energies with a variation of about 15%. For carbon ions, the responses are energy related, which should be noted for heavy ion detection. Based on the calibration, the broad energy spectrum and charge distribution of laser accelerated proton beam with energy from 3 to 8 MeV and pC charge were detected and reconstructed at the Compact LAser Plasma Accelerator at Peking University.
Collapse
Affiliation(s)
- X H Xu
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - Q Liao
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - M J Wu
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - Y X Geng
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - D Y Li
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - J G Zhu
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - C C Li
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - R H Hu
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - Y R Shou
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - Y H Chen
- State Key Labaratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
| | - H Y Lu
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - W J Ma
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - Y Y Zhao
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - K Zhu
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - C Lin
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| | - X Q Yan
- State Key Laboratory of Nuclear Physics and Technology, and Key Laboratory of HEDP of the Ministry of Education, CAPT, Peking University, Beijing 100871, China
| |
Collapse
|
30
|
Hu B, Kou ZQ, Shao CC, Yin HY, Liu ZD, Xu XH, Fang M, Chen BL, Wei CY, Li GF, Bi ZW. [Characteristics and drug resistance of non-O157 Shiga toxin-producing E. coli in animal feces, from Shandong Province]. Zhonghua Yu Fang Yi Xue Za Zhi 2019; 52:271-276. [PMID: 29973006 DOI: 10.3760/cma.j.issn.0253-9624.2018.03.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To understand the infection status, characteristics and drug resistance of non-O157 Shiga toxin-producing E. coli (STEC) in animal feces in Shandong Province. Methods: From 2015 to 2016, convient sampling method was used to collect 1 022 fresh feces of animals in Weishan county and Laizhou city, and 24 non-O157 STEC were isolated. The serotypes of non-O157 STEC strains were confirmed through serum agglutination test. The susceptibility was explored through the antimicrobial sensitivity experiments. ESBLs activity was confirmed by double-disc diffusion. PCR method was used to detect the resistance genes. PFGE typing was operated to assess the relatedness and variability of the strains. The multi-locus sequence typing (MLST) was adopted to get the allelic profile and ST sequence of strains. Analysis was made on the evolutionary relationship between different ST groups was made through CLC Sequence Viewer and Counting Express. Results: A total of 24 non-O157 STEC were isolated from animal feces. 23 strains were from pig feces, and 1 strain was from cow feces, and the serotypes were more dispersed. All of the 24 strains carried stx2 genes. The highest resistance rate was sulfamethoxazole(22 strains), the mount of cotrimoxazole and nalidixic acid was 18 strains, chloramphenicol was 13 strains, tetracycline was 19, and there was a phenomenon of multiple drug resistance. The drug resistance spectrum was sulfamethoxazole tetracycline-compound novammin-naphthidine-chloramphenicol. All strains were sensitive to cefepime and imipenem. The ESBLs confirmatory test showed that 4 strains of non O157 STEC produced beta lactamase. PCR detected 7 resistance genes, and 4 tetracycline resistance genes (Tet A, Tet B, tetC and tetD) were detected. The beta lactamase resistance genes (blaSHV-1, bla CTX-M, bla TEM) were all negative. 24 strains were divided into 15 PFGE types, and their clustering results were more dispersed and no dominant PFGE type. There were 11 kinds of MLST types, most of them are ST540 and ST5133 types, each of which was 4 strains, and clustered into 1 MLST genomes. Conclusion: The serotypes of non-O157 STEC in animal feces O157 STEC were dispersed, and the resistant rate to common antibiotic was high. MLST typing results presents obvious polymorphism. Surveillance and manage ment of these strains should be strengthened.
Collapse
Affiliation(s)
- B Hu
- Shandong Provincial Center for Disease Control and Prevention, Ji'nan, Shandong 250014, China
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
31
|
Abstract
Pericytes, a kind of mural cells for microcirculation, are critical for vascular development and function. Although current studies indicate that PDGF/PDGFR-β, Ang/Tie2, TGF-β involve in the regulation of pericytes recruitment, the mechanisms governing pericytes migration and regulating angiogenesis, especially in cancers, have not been fully clear. Many evidences have showed that cancer vessels are characterized by abnormal pericyte coverage and altered pericytes-endothelial cells interactions, which contribute to the metastasis and progress of cancers. Therefore pericyte-targeting tend to be a promising anticancer therapy. Here we discuss the roles of pericytes in vasculatures and the effects of pericyte-targeting in anticancer treatment.
Collapse
|
32
|
Xu XH, Jiang ZL, Feng FQ, Lu RR. Mechanisms of N α-lauroyl arginate ethyl ester against Penicillium digitatum and Pectobacterium carotovorum subsp. carotovorum. J Food Sci Technol 2018; 55:3675-3682. [PMID: 30150827 PMCID: PMC6098789 DOI: 10.1007/s13197-018-3296-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 06/01/2018] [Accepted: 06/17/2018] [Indexed: 12/14/2022]
Abstract
The purpose of this study was to investigate the antimicrobial activity and mechanisms of Nα-lauroyl arginate ethyl ester (LAE) against Penicillium digitatum and Pectobacterium carotovorum subsp. carotovorum. The minim inhibitory concentrations of LAE against P. digitatum and P. carotovorum were found to be 400 and 25 μg/ml, respectively. Loss of intracellular protein and nucleic acid increased significantly, and membrane permeability reached 76.28, 54.29 and 85.20%, respectively, when 400 μg/ml of LAE was applied to the hyphae and spores of P. digitatum and to P. carotovorum. Flow cytometry showed that LAE reduced the membrane potential, and the depolarization ratios of P. digitatum and P. carotovorum were 98.19 and 97.25% (P < 0.05), respectively. Transmission electron microscopy photos revealed that LAE caused a rough surface, irregular cellular organelles, protoplast shrinkage, intracytoplasmic coagulation and empty cavities in all three cell types. These results showed that LAE had notable ability to damage the structure of fungal and bacterial cells, making it a possible alternative chemical for use in the preservation of fruits and vegetables.
Collapse
Affiliation(s)
- Xiao-Hui Xu
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122 Jiangsu People’s Republic of China
| | - Zeng-Liang Jiang
- Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058 People’s Republic of China
| | - Feng-Qin Feng
- Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058 People’s Republic of China
| | - Rong-Rong Lu
- School of Food Science and Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122 Jiangsu People’s Republic of China
| |
Collapse
|
33
|
Li HQ, Lu CF, Wang J, Yin GP, Sun R, Xu XH, Liu BL, Li FF, Jing T, Lee KO, Ye L, Ma JH, Su XF. A comparison of clinical efficacy and economic value in Basalin- and Lantus-treated patients with type 2 diabetes using continuous glucose monitoring system. J Endocrinol Invest 2018. [PMID: 28643298 DOI: 10.1007/s40618-017-0712-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [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] [Indexed: 10/19/2022]
Abstract
AIM To determine the clinical non-inferiority of recombinant glargine-Basalin vs glargine-Lantus, in treatment of type 2 diabetes mellitus (T2DM) using continuous glucose monitoring system (CGMS). METHODS One hundred patients with T2DM were recruited. They were either regularly taking Basalin (Basalin group) or Lantus (Lantus group) (n = 50 each). CGMS was employed to real-time monitor blood glucose profile for 4 days (from day 1 to day 5). To exclude the effect of patient background, the study design was to have a blinded crossover from glargine-Basalin to glargine-Lantus on day 3, and vice versa. 24-hour mean blood glucose (24hMBG), 24-hour standard deviation of blood glucose (24hSDBG), 24-hour mean amplitude of glycemic excursion (24hMAGE), and number of glycemic excursion (NGE) every 24 h (24hNGE) were calculated for each glargine from 100 patients. RESULTS No significant difference of 24hMBG, 24hSDBG, 24hMAGE, and 24hNGE (p > 0.05 for all) was found between Basalin and Lantus treatments. The glucose area under the curve and time when blood glucose was below 3.9 mmol/L, between 3.9 and 10.0 mmol/L, or above 10.0 mmol/L were similar between Basalin and Lantus treatment. The frequency of hypoglycemic episodes was also similar. However, the mean cost of Basalin was only 72% of Lantus's in one treatment course. CONCLUSION Glargine-Basalin is non-inferior in clinical efficacy compared to glargine-Lantus. In view of the large difference in the cost of glargine-Basalin, it would be much more cost-effective for our patients.
Collapse
Affiliation(s)
- H Q Li
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - C F Lu
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - J Wang
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - G P Yin
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - R Sun
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - X H Xu
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - B L Liu
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - F F Li
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - T Jing
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - K O Lee
- Division of Endocrinology, Department of Medicine, National University of Singapore, Singapore, Singapore
| | - L Ye
- National Heart Research Institute Singapore, National Heart Centre Singapore, Singapore, Singapore
| | - J H Ma
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China.
| | - X F Su
- Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210029, China.
| |
Collapse
|
34
|
Wu W, Wang G, Wang L, Liu HD, Wang Q, Xu XH, Ding RY, Xu BX, Han HL, Zhou Y, Gong J, Wang HN, Li BW, Sun ZZ. [Ryan index for detection of laryngopharyngeal reflux diseases]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 52:885-889. [PMID: 29262444 DOI: 10.3760/cma.j.issn.1673-0860.2017.12.002] [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: 11/05/2022]
Abstract
Objective: To explore the utility of pharyngeal pH monitoring which positive standard is Ryan index in diagnosis of laryngopharyngeal reflux disease. Methods: In a retrospective study, clinical data of 590 patients who had symptoms laryngopharyngeal reflux disease from February 2016 to March 2017 were analyzed. All patients were received electronic laryngoscopy, assessment of reflux symptom index(RSI) and reflux finding score(RFS), and pharyngeal pH monitoring. SPSS 19.0 software was used to analyze the date. Results: There were 94 patients whose Ryan index were positive(15.93%). Among the 94 patients, 70 were positive during upright, 12 during supine and 12 during both upright and supine. There were 40 patients(6.78%)with pH decline events related to symptoms, while those Ryan index were normal. There were 536(90.85%), 417(70.68%), 233(39.49%) and 117(19.83%) patients with pH<6.5, pH<6.0, pH<5.5 and pH<5.0 events respectively. The positive rate of RSI, RFS, RSI and RFS, RSI or RFS were 44.24%, 16.78%, 7.12%, 53.90% respectively. The RFS score in Ryan index positive group was higher than that in Ryan index negative group[(8.2±2.4) vs (4.0±2.9), u=5.424, P<0.05], while the RSI score in Ryan index positive group was not statistically different from that in Ryan index negative group[(11.3±6.2) vs (12.7±5.8), t=1.247, P=0.167]. Conclusions: Pharyngeal pH monitoring is an objective and non-invasive method which can reflect laryngopharyngeal reflux directly. However, with the Ryan index as a criterion for the diagnosis of laryngopharyngeal reflux disease, partial patients may be missed. Further studies are needed to obtain more accurate and objective laryngopharyngeal pH statistical index for diagnosis of laryngopharyngeal reflux disease.
Collapse
Affiliation(s)
- W Wu
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China; State Environmental Protection Key Laboratory of Environmental Sense Organ Stress and Health, Beijing 100101, China
| | - G Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China; State Environmental Protection Key Laboratory of Environmental Sense Organ Stress and Health, Beijing 100101, China
| | - L Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - H D Liu
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - Q Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing 100101, China
| | - X H Xu
- Molecular Biology Research Laboratory, Johns Hopkins University, Baltimore 21218, USA
| | - R Y Ding
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - B X Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - H L Han
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - Y Zhou
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - J Gong
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - H N Wang
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - B W Li
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| | - Z Z Sun
- Department of Otorhinolaryngology Head and Neck Surgery, Chinese People Liberation Army 306th Hospital, Beijing 100101, China
| |
Collapse
|
35
|
Xu XH, Lv ZQ, Zhou XY, Jiang N. Drought prediction and sustainable development of the ecological environment. Environ Sci Pollut Res Int 2017; 24:26974-26982. [PMID: 26805925 DOI: 10.1007/s11356-015-6011-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 06/16/2015] [Accepted: 12/22/2015] [Indexed: 06/05/2023]
Abstract
In the 1990s ecological early warning research began with the aim of elucidating the effect of drought in dry regions of the world. Drought has been a prevalent natural disaster, ravaging the Yun'nan province of China for over 5 years since 2009. Due to the extensive range, depth and devastating losses, the drought has reached a once-in-a-century severity. Yun'nan province suffered particularly badly from the drought, which took its toll on both the ecological environment and the sustainable economic development of the province. We chose to study Pu'er city in Yun'nun province for this research, and analysed the drought traits of Pu'er city utilizing geographic information technology. We applied the Mann-Kendall test for trend, linear tendency estimation and percentage of precipitation anomalies, as well as using combinations of monthly data searches of meteorological reports from 1980-2010. The results showed that except for a small rise in spring precipitation, the overall rainfall of Pu'er city showed a decreasing trend. The results of this study can provide an adequate and reliable theoretical basis and technological methods for use in government decision making, and promote research into early warning ecology.
Collapse
Affiliation(s)
- X H Xu
- School of Resource Environment and Earth Science, Yunnan University, 2th of Cuihu North Road, Kunming, 650091, China
| | - Z Q Lv
- School of Resource Environment and Earth Science, Yunnan University, 2th of Cuihu North Road, Kunming, 650091, China.
| | - X Y Zhou
- Institution of Traveling and Geology Science, Jilin Normal University, Siping, 136000, China
| | - N Jiang
- School of Resource Environment and Earth Science, Yunnan University, 2th of Cuihu North Road, Kunming, 650091, China
| |
Collapse
|
36
|
Chen ZW, Miu HF, Wang HP, Wu ZN, Wang WJ, Ling YJ, Xu XH, Sun HJ, Jiang X. Pterostilbene protects against uraemia serum-induced endothelial cell damage via activation of Keap1/Nrf2/HO-1 signaling. Int Urol Nephrol 2017; 50:559-570. [DOI: 10.1007/s11255-017-1734-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 10/25/2017] [Indexed: 12/11/2022]
|
37
|
Hu XY, Zheng XY, Ma FR, Long M, Han R, Zhou LJ, Wang F, Gong R, Pan T, Zhang SX, Du B, Jin P, Guo CY, Zheng YQ, Liu M, He LH, Qiu JH, Xu M, Song L, Xu XH, Liu XW, Wang SP. [Prevalence of hearing disorders in China: a population-based survey in four provinces of China]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2017; 51:819-825. [PMID: 27938607 DOI: 10.3760/cma.j.issn.1673-0860.2016.11.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the prevalence, severity of hearing disorders and demographics of people with hearing disorders based on the whole population in Jilin, Guangdong, Shannxi and Gansu provinces in China. Methods: According to " WHO Ear and Hearing Disorders Survey Protocol" , 144 clusters were chosen with probability proportional sampling(PPS) method from the four provinces covering 194, 688, 061 residents. Audiological test, otological examination and questionnaire surveying were conducted for all samples from August, 2014 to September, 2015. The hearing disorders were classified according to WHO criteria and classification. Results: Among 47 511 targeted residents, 45, 052 individuals (94.82% response rate) participated in the survey. The standardized prevalence rates of hearing disorders and disabling hearing disorders were 15.84 % and 5.17 % respectively. Almost 50% of people with hearing disorders had no awareness of it or its starting time. There was significant difference in the prevalence among people of different ages, genders, occupations, provinces, marital status and education levels. The prevalence of hearing disorders increased significantly as age grew. People above 60 years old occupied 55.31% of the total hearing disorders. The prevalence of hearing disorders among male, people of low education and those who lost husband or wife, as well as workers and farmers was relatively higher. Conclusions: The prevalence of hearing disorders is high, and hearing disorders are " invisible" . Demographics and socioeconomic factors significantly influence the prevalence of hearing disorders.
Collapse
Affiliation(s)
- X Y Hu
- China Rehabilitation Research Center for Deaf Children, Beijing 100029, China
| | - X Y Zheng
- Institute of Population Research, Peking University, Beijing 100871, China
| | - F R Ma
- Department of Otorhinolaryngology, Peking University Third Hospital, Beijing 100191, China
| | - M Long
- China Rehabilitation Research Center for Deaf Children, Beijing 100029, China
| | - R Han
- China Rehabilitation Research Center for Deaf Children, Beijing 100029, China
| | - L J Zhou
- China Rehabilitation Research Center for Deaf Children, Beijing 100029, China
| | - F Wang
- China Rehabilitation Research Center for Deaf Children, Beijing 100029, China
| | - R Gong
- Institute of Population Research, Peking University, Beijing 100871, China
| | - T Pan
- Department of Otorhinolaryngology, Peking University Third Hospital, Beijing 100191, China
| | - S X Zhang
- Department of Otorhinolaryngology, Peking University Third Hospital, Beijing 100191, China
| | - B Du
- Department of Otorhinolaryngology Head and Neck Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - P Jin
- Department of Otorhinolaryngology Head and Neck Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - C Y Guo
- Language and Hearing Rehabilitation Center of Jilin Province, Changchun 130052, China
| | - Y Q Zheng
- Department of Otorhinolaryngology Head and Neck Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - M Liu
- Otorhinolaryngology Hospital of First Affiliated Hospital of Sun Yetsan University, Guangzhou 510080, China
| | - L H He
- Guangdong Rehabilitation Centre, Guangzhou 510055, China
| | - J H Qiu
- Department of Otorhinolaryngology Head and Neck Surgery, Xijing Hospital, Xi'an 710032, China
| | - M Xu
- Department of Otorhinolaryngology Head and Neck Surgery, Second Affiliated Hospital, Xi'an Jiaotong University School of Medicine, Xi'an 710004, China
| | - L Song
- Language and Hearing Rehabilitation Center of Shanxi Province, Xi'an 710016, China
| | - X H Xu
- Department of Otorhinolaryngology, Lanzhou General Hospital, Lanzhou Command, Lanzhou 730050, China
| | - X W Liu
- Department of Otorhinolaryngology, Lanzhou University Second Hospital, Lanzhou 730030, China
| | - S P Wang
- Hearing and Language Rehabilitation Center of Gangsu Province, Lanzhou 730050, China
| |
Collapse
|
38
|
Xu XH, Guan XW, Feng SL, Ma YZ, Chen SW, Hui L. One-pot synthesis and biological evaluation of N -(aminosulfonyl)-4-podophyllotoxin carbamates as potential anticancer agents. Bioorg Med Chem Lett 2017; 27:2890-2894. [DOI: 10.1016/j.bmcl.2017.04.082] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 04/14/2017] [Accepted: 04/26/2017] [Indexed: 10/19/2022]
|
39
|
Zhou ZM, Xu XH, Liang J, Hu B, Cheng YJ, Shi C, Zhou YJ. [The impact of cigarette cessation intervention on mental state of patients with coronary heart disease]. Zhonghua Nei Ke Za Zhi 2017; 55:854-858. [PMID: 27801340 DOI: 10.3760/cma.j.issn.0578-1426.2016.11.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: This study was designed to observe the impact of cigarette cessation on anxiety and depression in patients with coronary heart disease (CHD). Methods: A total of 690 cigarette smoking patients with CHD identified by coronary angiography (CAG) were included and analyzed in the study.The mental state were scored with Hamilton anxiety (HAMA) and depression (HAMD) scale both on admission and at 6-month follow-up.The patients were divided into two groups based on the cigarette cessation.The score of mental state between the two groups were compared.The patients were treated with percutaneous coronary intervention (PCI), coronary artery bypass grafting (CABG), or medicine therapy (MT). Results: The clinic data and score of mental state were similar at the time of admission (HAMA: 10.66±5.53 vs 11.09±5.61, P=0.311; HAMD: 29.81±10.13 vs 28.94±10.22, P=0.266 4) between the two groups.After 6 months, the proportions of subjects in smoking cession group with anxiety (24.2% vs 32.3%, P<0.05), depression (18.0% vs 27.5%, P<0.05), and anxiety and depression (7.0% vs 16.2%, P<0.001) decreased significantly compared with those in smoking group irrespective of the treatment strategy.Both the HAMA and HAMD scores were lower in smoking cessation group (HAMA: 9.83±3.40; HAMD: 24.91±7.90) than in smoking group (HAMA: 10.98±4.87; HAMD: 27.70±11.16) (all P<0.001). Conclusions: Smoking cessation is good for the relief of anxiety and depression in CHD patient.
Collapse
Affiliation(s)
- Z M Zhou
- Department of Cardiology 12th Ward, Beijing Anzhen Hospital, Capital Medical University, Beijing Institute of Heart, Lung and Blood Vessel Diseases, Beijing 100029, China
| | | | | | | | | | | | | |
Collapse
|
40
|
Xu XH, Zhao C, Peng Q, Xie P, Liu QH. Kaempferol inhibited VEGF and PGF expression and in vitro angiogenesis of HRECs under diabetic-like environment. ACTA ACUST UNITED AC 2017; 50:e5396. [PMID: 28273207 PMCID: PMC5378449 DOI: 10.1590/1414-431x20165396] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 12/01/2016] [Indexed: 12/19/2022]
Abstract
Diabetic retinopathy (DR) is one of the common and specific microvascular complications of diabetes. This study aimed to investigate the anti-angiogenic effect of kaempferol and explore its underlying molecular mechanisms. The mRNA expression level of vascular endothelial growth factor (VEGF) and placenta growth factor (PGF) and the concentrations of secreted VEGF and PGF were measured by qTR-PCR and ELISA assay, respectively. Human retinal endothelial cells (HRECs) proliferation, migration, and sprouting were measured by CCK-8 and transwell, scratching wound, and tube formation assays, respectively. Protein levels were determined by western blot. High glucose (25 mM) increased the mRNA expression levels of VEGF and PGF as well as the concentrations of secreted VEGF and PGF in HRECs, which can be antagonized by kaempferol (25 µM). Kaempferol (5-25 µM) significantly suppressed cell proliferation, migration, migration distance and sprouting of HRECs under high glucose condition. The anti-angiogenic effect of kaempferol was mediated via downregulating the expression of PI3K and inhibiting the activation of Erk1/2, Src, and Akt1. This study indicates that kaempferol suppressed angiogenesis of HRECs via targeting VEGF and PGF to inhibit the activation of Src-Akt1-Erk1/2 signaling pathway. The results suggest that kaempferol may be a potential drug for better management of DR.
Collapse
Affiliation(s)
- X H Xu
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province, China.,People's Liberation Army 454 Hospital, Nanjing City, Jiangsu Province, China
| | - C Zhao
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province, China
| | - Q Peng
- People's Liberation Army 454 Hospital, Nanjing City, Jiangsu Province, China
| | - P Xie
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province, China
| | - Q H Liu
- Department of Ophthalmology, The First Affiliated Hospital of Nanjing Medical University, Nanjing City, Jiangsu Province, China
| |
Collapse
|
41
|
Zhang ZH, Zhao WQ, Ma FF, Zhang H, Xu XH. Rab10 Disruption Results in Delayed OPC Maturation. Cell Mol Neurobiol 2017; 37:1303-1310. [DOI: 10.1007/s10571-017-0465-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Accepted: 01/16/2017] [Indexed: 12/14/2022]
|
42
|
Yu ZH, Xu XH, Wang SD, Song MF, Liu Y, Yin Y, Mao HJ, Tang GZ. Effect and safety of paroxetine combined with zolpidem in treatment of primary insomnia. Sleep Breath 2017; 21:191-195. [DOI: 10.1007/s11325-017-1462-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 12/18/2016] [Accepted: 01/11/2017] [Indexed: 10/20/2022]
|
43
|
Xu XH, Yu L, Chen Q, Huang Y, Sun HH, Yi LS, Xu SC, Lyu HJ, Qiu ZM. [Changes and implications of esophageal function in patients with chronic cough induced by gastroesophageal reflux]. Zhonghua Jie He He Hu Xi Za Zhi 2016; 39:850-855. [PMID: 27852360 DOI: 10.3760/cma.j.issn.1001-0939.2016.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the changes in the esophageal function and their association with the therapeutic outcome in patients with gastroesophageal reflux-induced chronic cough (GERC). Methods: One hundred thirty-five patients with definite GERC consecutively referred to our respiratory clinic were recruited into the study between January 2012 and August 2015.Cough was due to acid reflux in 81 patients and non-acid reflux in 54 patients, with the favorable response to the standard antireflux therapy in 88 patients and to the intensified antireflux treatment in 47 patients. The control groups included 26 patients with gastroesphageal reflux disease without cough and 22 healthy volunteers. All the subjects underwent an esophageal manometry from which the parameters were recorded, including the pressure, length and relaxation rate of lower esophageal sphincter, and the peristaltic contractive amplitude, wave velocity and contractive time of esophagus. The data were combined with the results of multi-channel intraluminal impedance combined with pH monitoring to analyze the changes of esophageal function in the patients with acid or non-acid GERC and their relation to the outcomes of antireflux therapy. Results: Compared with healthy volunteers, patients with GERC presented with a lower pressure [(11±5) mmHg vs (15±5) mmHg (1 mmHg=0.133 kPa), q=3.70, P=0.000], shorter overall length [(2.2±0.5) cm vs (3.0±1.0) cm, q=2.78, P=0.017] and similar relaxation rate of lower esophageal sphincter(q=1.14, P=0.258). Furthermore, they also showed a decrease in esophageal peristaltic contractive amplitude [(33±13) mmHg vs (45±11) mmHg, q=2.19, P=0.030] and wave velocity [(2.6±0.8) cm/s vs (3.4±0.6) cm/s, q=2.91, P=0.010] but an increase in esophageal contractive time of esophagus [(4.9±2.2) s vs (3.1±0.8) s, q=3.25, P=0.001] in addition to a linear negative correlation between esophageal peristaltic wave velocity and bolus clearance (r=-0.603, P=0.000). However, these parameters were not different between patients with GERC and gastroesophageal reflux disease without cough. The patients with GERC due to acid and non-acid reflux presented with a similar esophageal dysmotility but different variables reflecting the acidity of refluxates as indicated by multi-channel intraluminal impedance combined with pH monitoring. The esophageal peristaltic wave velocity was significantly lower in the patients with GERC responsive to the standard antireflux therapy than in those responsive to the intensified antireflux therapy [(2.2±0.6) cm/s vs (3.0±1.0) cm/s, t= 2.066, P= 0.041]. Conclusions: Esophageal dysfunction is present in patients with GERC. Its characteristics and severity are not associated with the types of gastroesophageal reflux inducing cough, but may predict the efficacy of medical antireflux therapy.
Collapse
Affiliation(s)
- X H Xu
- *Department of Respiratory Medicine, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | | | | | | | | | | | | | | | | |
Collapse
|
44
|
Lv XS, Qiu Y, Wang ZY, Jiang GM, Chen YT, Xu XH, Hurt RH. Aerosol synthesis of phase-controlled iron-graphene nanohybrids through FeOOH nanorod intermediates. Environ Sci Nano 2016; 3:1215-1221. [PMID: 28133538 PMCID: PMC5260819 DOI: 10.1039/c6en00178e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Iron-based nanoparticles form the basis for a host of sustainable alternative technologies based on this earth-abundant, low-toxicity element that can adopt a variety of oxidation states, crystal phases, and functions. Control of size, shape, and phase stability is a challenge for many nano-iron-based technologies, especially those involving Fe0 that is susceptible to oxidation under ambient conditions. This article presents a continuous method for hybridizing Fe-based nanoparticles with carbon in the form of graphene-encapsulated Fe-based particles with core-shell symmetry that allows flexible control of iron particle size, shape, and phase stability. The method uses FeOOH nanorods and graphene oxide as precursors, and subjects them to an aerosol-phase microdroplet drying and annealing process to yield a range of Fe/C nanohybrids whose structure can be controlled through adjustment of aerosol process temperature and post-synthesis thermal treatment conditions. We demonstrate that FeOOH nanorods can be successfully encapsulated in graphene, and transform during annealing into encapsulated Fe3O4 or Fe0 nanoparticles by reductive fragmentation, where the graphene nanosack acts as a carbothermic reductant. The hybrids are characterized by vibrating sample magnetometry and Cr(VI) reduction rates in aqueous media. The Fe0-graphene hybrids show high activity, good stability, and good recyclability in aqueous Cr(VI) removal due to the effect of graphene encapsulation. The present work suggests this rapid and continuous synthesis method can produce stable Fe-based materials, and can be extended to other metal systems, where graphene encapsulation can induce in situ reduction of metal oxide precursors into zero-valent metal-graphene hybrids.
Collapse
Affiliation(s)
- X S Lv
- School of Engineering, Brown University, Providence, Rhode Island 02912; Engineering Research Center for Waste Oil Recovery Technology and Equipment, Ministry of Education, Chongqing Technology and Business University, Chongqing 400067, China
| | - Y Qiu
- School of Engineering, Brown University, Providence, Rhode Island 02912
| | - Z Y Wang
- School of Engineering, Brown University, Providence, Rhode Island 02912
| | - G M Jiang
- Engineering Research Center for Waste Oil Recovery Technology and Equipment, Ministry of Education, Chongqing Technology and Business University, Chongqing 400067, China
| | - Y T Chen
- School of Engineering, Brown University, Providence, Rhode Island 02912
| | - X H Xu
- Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - R H Hurt
- School of Engineering, Brown University, Providence, Rhode Island 02912
| |
Collapse
|
45
|
Huang Y, Yu L, Xu XH, Chen Q, Lyu HJ, Jin XY, Qiu ZM. [Validation of the Chinese version of Hull airway reflux questionnaire and its application in the evaluation of chronic cough]. Zhonghua Jie He He Hu Xi Za Zhi 2016; 39:355-61. [PMID: 27180589 DOI: 10.3760/cma.j.issn.1001-0939.2016.05.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE To validate the effectiveness, repeatability and treatment responsiveness of the Chinese version of Hull airway reflux questionnaire (HARQ), and to determine its clinical value. METHODS A standard Chinese version of HARQ was developed by an established translation procedure and its repeatability was assessed in a preliminary study involving 55 untreated patients with stable chronic cough. Thereafter, a total of 132 patients with chronic cough referred to our respiratory clinic were recruited into the study between May 2014 and April 2015. After their cough was evaluated with the HARQ, cough symptom score or cough reflex sensitivity to inhaled capsaicin and the correlations among them were analyzed, and the causes of chronic cough in all the patients were presumptively determined according to an established diagnostic protocol and finally confirmed with the subsequent therapy specific to the etiologies. After two weeks of effective treatment, HARQ, cough symptom score and cough reflex sensitivity to inhaled capsaicin were measured once more, and treatment responsiveness was calculated. The score of the HARQ in 132 patients with chronic cough were compared with that in 104 healthy volunteers. RESULTS The repeatability of the Chinese version of the HARQ was validated at a week interval with the intraclass correlation coefficients of 0.96 (95%CI: 0.93-0.98, P=0.00) for total score (n=55). No correlation was found between the HARQ and cough symptom score, and the HARQ showed a weak negative correlation with cough threshold C2 (rIgC2=-0.23, P=0.01) but not with C5. The value of HARQ was significantly higher in patients with chronic cough than in healthy volunteers[20.00(14.00, 28.00) vs 4.00 (2.00, 6.00), Z=-12.89, P=0.00], but no difference of HARQ in gender or age existed in chronic cough. Although all the patients with various etiologies of chronic cough had an increased value of HARQ, cough due to gastroesophageal reflux showed the highest HARQ score among them[28.50 (25.00, 32.25) vs 18.50 (14.00, 26.25), Z=4.43, P=0.00]. After two weeks of effective treatment, the HARQ score decreased from 20.00 (14.00, 28.00) pre-treatment to 10.00 (4.25, 17.75) post-treatment (Z=-6.06, P=0.00), with 52.04% of score change ratio, 1.38 of effect side and 1.97 of standard response mean respectively. CONCLUSION HARQ is a reliable and valid tool for the management of chronic cough with good treatment responsiveness, and may be used as an easy way to predict cough due to gastroesophageal reflux.
Collapse
Affiliation(s)
- Y Huang
- Department of Respiratory Medicine, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China
| | | | | | | | | | | | | |
Collapse
|
46
|
Yang RQ, Teng H, Xu XH, Liu SY, Wang YH, Guo FJ, Liu XJ. Microarray analysis of microRNA deregulation and angiogenesis-related proteins in endometriosis. Genet Mol Res 2016; 15:gmr7826. [PMID: 27323121 DOI: 10.4238/gmr.15027826] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We examined the aberrant microRNA (miRNA) expression profile responsible for the changes in angiogenesis observed in endometriotic lesions. This study revealed characteristic miRNA expression profiles associated with endometriosis in endometrial tissue and endometriotic lesions from the same patient, and their correlation with the most important angiogenic and fibrinolytic factors. miRNA expression was quantified using a microRNA array and reverse-transcription microRNA polymerase chain reaction. Levels of vascular endothelial growth factor A (VEGFA), epidermal growth factor receptor 2 (EGFR2), phosphatase and tensin homolog (PTEN), and C-X-C chemokine receptor type 4 (CXCR4) were quantified using enzyme-linked immunosorbent assay. The endometrial tissue showed significantly lower levels of miR-200b, miR-15a-5p, miR-19b-1-5p, miR-146a-5p, and miR-200c, and higher levels of miR-16-5p, miR-106b-5p, and miR-145-5p. VEGFA was significantly upregulated, whereas EGFR2, PTEN, and CXCR4 were markedly downregulated, in the endometriotic tissues compared to that in the normal endometrial tissues. In conclusion, differences in the miRNA levels could modulate the expression of VEGFA, EGFR2, PTEN, and CXCR4, and may play an important role in the pathogenesis of endometriosis. The higher angiogenic and proteolytic activities observed in the eutopic endometrium might facilitate the implantation of endometrial cells at ectopic sites.
Collapse
Affiliation(s)
- R Q Yang
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - H Teng
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - X H Xu
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - S Y Liu
- Department of Anesthesia, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Y H Wang
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - F J Guo
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - X J Liu
- Department of Pathology, The First Hospital of Jilin University, Changchun, Jilin Province, China
| |
Collapse
|
47
|
Yin FF, Wang N, Bi XN, Yu X, Xu XH, Wang YL, Zhao CQ, Luo B, Wang YK. Serine/threonine kinases 31(STK31) may be a novel cellular target gene for the HPV16 oncogene E7 with potential as a DNA hypomethylation biomarker in cervical cancer. Virol J 2016; 13:60. [PMID: 27044426 PMCID: PMC4820863 DOI: 10.1186/s12985-016-0515-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [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: 10/03/2015] [Accepted: 03/24/2016] [Indexed: 01/21/2023] Open
Abstract
Background Cervical cancer (CC) is a leading cause of mortality in females, especially in developing countries. The two viral oncoproteins E6 and E7 mediate the oncogenic activities of high-risk human papillomavirus (hrHPV), and hrHPV, especially HPV16 or/and HPV18 (HPV16/18) play critical roles in CC through different pathways. STK31 gene of which the expression has been proven to be regulated by the methylation status of its promoter, is one of the novel cancer/testis (CT) genes and plays important roles in human cancers. Reasearches have indicated that viral infection is correlated to the methylation statuses of some genes. Herein, we detected methylation status of the STK31 gene in cervical tumors and explored its interaction with HPV16 or/and HPV18 (HPV16/18) infection. Methods Bisulfite genomic sequencing PCR (BGS) combined with TA clone, methylation-specific PCR (MSP) were used to analyze methylation statuses of the STK31 gene promoter/exon 1 region in HPV16/18-positive, HPV-negative CC cell lines; ectopically expressed HPV16 E6, -E7, and -E6/E7 CC cells; normal cervical tissues and cervical tumor tissues of different stages. The mRNA and protein expressions of STK31 were detected by RT-PCR and western blotting. Results The STK31 gene promoter/exon 1 was hypomethylated in the HPV16/18-positive cell lines HeLa, SiHa and CaSki, and the mRNA and protein expression were detected. In contrast, the STK31 gene exhibited hypermethylation and silenced expression in the HPV-negative CC cells C33A and HT-3. Compared with the primary HPV-negative CC cell lines, the STK31 methylation was downregulated, and STK31 expression was induced in the HPV16E7/E67 transfected cells. The methylation statuses and expressions of STK31 were verified in the cervical tumor samples at different stages. Additionally, chemotherapy treatment may influence STK31 expression by regulating its methylation status. Conclusions STK31 may be a novel cellular target gene for the HPV16 oncogeneE7. The HPV16 oncogene E7 may affect STK31 expression through a methylation-mediated mechanism. The aberrant methylation of the STK31 promoter/exon 1 region may be a precursor of human cervical carcinogenesis and a potential DNA aberrant methylation biomarker of conditions ranging from precancerous disease to invasive cancer. Electronic supplementary material The online version of this article (doi:10.1186/s12985-016-0515-5) contains supplementary material, which is available to authorized users.
Collapse
Affiliation(s)
- Fu-Fen Yin
- Department of Obstetrics and Gynecology, Affiliate Hospital of Qingdao University, Qingdao, China
| | - Ning Wang
- Department of Obstetrics and Gynecology, Affiliate Hospital of Qingdao University, Qingdao, China
| | - Xiao-Ning Bi
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao Yu
- Department of Obstetrics and Gynecology, Affiliate Hospital of Qingdao University, Qingdao, China
| | - Xiao-Hui Xu
- Department of Obstetrics and Gynecology, Affiliate Hospital of Qingdao University, Qingdao, China
| | - You-Lin Wang
- Department of Urology, Shanghai Institute of Andrology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Cheng-Quan Zhao
- Department of Pathology, Magee-Womens Hospital, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Bing Luo
- Department of Medical Microbiology, Qingdao University Medical College, Qingdao, 266021, China
| | - Yan-Kui Wang
- Department of Obstetrics and Gynecology, Affiliate Hospital of Qingdao University, Qingdao, China.
| |
Collapse
|
48
|
Gong A, Zhu D, Mei YY, Xu XH, Wu FA, Wang J. Enhanced biocatalysis mechanism under microwave irradiation in isoquercitrin production revealed by circular dichroism and surface plasmon resonance spectroscopy. Bioresour Technol 2016; 205:48-57. [PMID: 26803794 DOI: 10.1016/j.biortech.2016.01.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [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: 11/15/2015] [Revised: 01/02/2016] [Accepted: 01/05/2016] [Indexed: 06/05/2023]
Abstract
An efficient and rapid process for isoquercitrin production by hesperidinase-catalyzed hydrolysis of rutin was successfully developed under microwave irradiation detecting the affinity by circular dichroism (CD) and surface plasmon resonance (SPR) spectroscopy. A maximum isoquercitrin yield of 91.5±2.7% was obtained in 10min with the conditions of 10g/L hesperidinase, 2g/L rutin, 30°C and microwave power density 88.9W/L. Enzymatic reaction rate and Vm/Km in the microwave reactor were 6.34-fold higher than in a continuous flow microreactor and 1.24-fold higher than in a biphasic system. CD and SPR analysis results also showed that hesperidinase has a better selectivity and affinity (3.3-fold than in a batch reactor) to generate isoquercitrin under microwave irradiation. Microwave irradiation greatly improved the reaction efficiency and productivity, leading to a more positive economical assessment. The binding affinity indicates the presence of strong multivalent interactions between rutin and hesperidinase under microwave irradiation.
Collapse
Affiliation(s)
- An Gong
- School of Biotechnology & School of the Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, PR China
| | - Dan Zhu
- School of Biotechnology & School of the Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, PR China
| | - Yi-Yuan Mei
- School of Biotechnology & School of the Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, PR China
| | - Xiao-Hui Xu
- School of Biotechnology & School of the Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, PR China
| | - Fu-An Wu
- School of Biotechnology & School of the Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, PR China; Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212018, PR China
| | - Jun Wang
- School of Biotechnology & School of the Environment and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212018, PR China; Sericultural Research Institute, Chinese Academy of Agricultural Sciences, Zhenjiang 212018, PR China.
| |
Collapse
|
49
|
Guan XW, Xu XH, Feng SL, Tang ZB, Chen SW, Hui L. Synthesis of hybrid 4-deoxypodophyllotoxin-5-fluorouracil compounds that inhibit cellular migration and induce cell cycle arrest. Bioorg Med Chem Lett 2016; 26:1561-1566. [PMID: 26873416 DOI: 10.1016/j.bmcl.2016.02.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [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: 11/16/2015] [Revised: 01/26/2016] [Accepted: 02/05/2016] [Indexed: 01/12/2023]
Abstract
A series of deoxypodophyllotoxin-5-fluorouracil hybrid compounds were synthesized, and their cytotoxic activity was evaluated using four human cancer cell lines (HeLa, A549, HCT-8, and HepG2) and the human normal cell line WI-38. The synthesized compounds exhibited greater cytotoxic activity in tumor cells and reduced toxicity in the normal cell line compared with the anticancer drug VP-16 and 5-FU. Additionally, the most potent of these compounds-4'-O-demethyl-4-deoxypodophyllotoxin-4'-yl 4-((6-(2-(5-fluorouracil-yl) acetamido) hexyl) amino)-4-oxobutanoate (compound 22)-induced cell-cycle arrest in the G2/M phase by regulating levels of cdc2, cyclinB1, and p-cdc2 in A549 cells. Furthermore, compound 22 may inhibited the migration of A549 cells via down-regulation of MMP-9 and up-regulation of TIMP-1.
Collapse
Affiliation(s)
- Xiao-Wen Guan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Xiao-Hui Xu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Shi-Liang Feng
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Zhen-Bo Tang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Shi-Wu Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China.
| | - Ling Hui
- Experimental Center of Medicine, General Hospital of Lanzhou Military Command, Lanzhou 730050, China; Key Laboratory of Stem Cells and Gene Drug of Gansu Province, General Hospital of Lanzhou Military Command, Lanzhou 730050, China
| |
Collapse
|
50
|
Liu CZ, Huang BY, Tan BY, Guan HF, Xu XH, Guo QY. [Efficacy of volume-targeted ventilation for the treatment of neonatal respiratory distress syndrome]. Zhongguo Dang Dai Er Ke Za Zhi 2016; 18:6-9. [PMID: 26781404 PMCID: PMC7390097] [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] [Received: 10/09/2015] [Accepted: 11/09/2015] [Indexed: 11/12/2023]
Abstract
OBJECTIVE To investigate the efficacy of volume-targeted ventilation (VTV) for the treatment of neonatal respiratory distress syndrome (NRDS). METHODS Fifty-two neonates with NRDS between August 2013 and August 2015 were randomly divided into two groups: VTV and pressure-controlled ventilation (PCV) (n=26 each ). A/C+Vc+ ventilation model was applied in the VTV group, and A/C+PCV ventilation model was applied in the PCV group. Arterial blood gas analysis was performed at 6, 24, and 48 hours after ventilation. The following parameters were observed: time of invasive ventilation, duration of oxygen therapy, mortality, and the incidence rates of hypocapnia, pneumothorax, ventilator-associated pneumonia (VAP), grade III-IV periventricular-intraventricular hemorrhage (PVH-IVH), periventricular leukomalacia (PVL), bronchopulmonary dysplasia (BPD), and retinopathy of prematurity (ROP). RESULTS Compared with the PCV group, the VTV group had a significantly shorter time of invasive ventilation (P<0.05) and significantly lower incidence rates of hypocapnia, VAP, and PVL (P<0.05); however, there were no significant differences in the duration of oxygen therapy, mortality, and incidence rates of pneumothorax, grade III-IV PVH-IVH, BPD, and ROP. CONCLUSIONS VTV has a better efficacy than PCV in the treatment of NRDS, and is worthy of clinical promotion and application.
Collapse
Affiliation(s)
- Chen-Zhou Liu
- Pediatric Intensive Care Unit, Jiangmen Central Hospital, Jiangmen, Guangdong 529030, China.
| | | | | | | | | | | |
Collapse
|