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Li MY, Wang YH, Zhang YL, Zhu WC, Li FF, Bian L. [Research advances in tissue-resident macrophages and monocyte-derived macrophages in lung cancer]. Zhonghua Bing Li Xue Za Zhi 2024; 53:515-520. [PMID: 38678340 DOI: 10.3760/cma.j.cn112151-20230916-00181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/29/2024]
Affiliation(s)
- M Y Li
- Department of Pathology, the First Affiliated Hospital of Kunming Medical University, Kunming 650500, China
| | - Y H Wang
- Department of Pathology, the First Affiliated Hospital of Kunming Medical University, Kunming 650500, China
| | - Y L Zhang
- Department of Pathology, Wenshan People's Hospital, Wenshan 663000, China
| | - W C Zhu
- Department of Pathology, the First Affiliated Hospital of Kunming Medical University, Kunming 650500, China Department of Pathology, Wenshan People's Hospital, Wenshan 663000, China
| | - F F Li
- Department of Pathology, the First Affiliated Hospital of Kunming Medical University, Kunming 650500, China
| | - L Bian
- Department of Pathology, the First Affiliated Hospital of Kunming Medical University, Kunming 650500, China
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Li MY, Chen QX, Lu YJ, Pan WY, Zeng DX, Jiang JH. [Comparison of ultrathin bronchoscopy with conventional bronchoscopy for the diagnostic value of peripheral pulmonary lesions]. Zhonghua Jie He He Hu Xi Za Zhi 2024; 47:332-338. [PMID: 38599808 DOI: 10.3760/cma.j.cn112147-20231015-00234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Objective: To assess and compare the diagnostic efficacy of next-generation ultrathin bronchoscopy (UTB) and conventional bronchoscopy (CB), both combined with radial endobronchial ultrasound (r-EBUS), in the evaluation of peripheral pulmonary lesions (PPL). Methods: A cohort of 39 patients with PPL who underwent multimodal bronchoscopy at Dushu Lake Hospital, Soochow University, from June 1, 2021 to May 31, 2023 was consecutively enrolled. A single bronchoscopist performed multimodal bronchoscopies using CB (external diameter 4.9 mm or 5.9 mm, working channel diameter 2 or 3 mm, CB group) for transbronchial biopsy under r-EBUS guidance (rEBUS-TBLB), followed by UTB (external diameter 3 mm, working channel diameter 1.7 mm, UTB group) for transbronchial biopsy under r-EBUS guidance. Pathological findings and a 6-month clinical follow-up were used as the gold standard to compare the diagnostic yield of biopsy specimens, ultrasound characteristics, and localization rates of the two bronchoscope types. The aim was to evaluate the clinical application value of UTB combined with r-EBUS. Binary variables were analysed using the McNemar test for paired data. Continuous variables or ranked data were analysed using the Wilcoxon signed-rank test for paired data. Results: The diagnostic yields for UTB and CB groups were 66.67% (26/39) and 30.77% (12/39), respectively, with the UTB group significantly surpassing the CB group (χ2=10.56, P=0.001, 1-β=0.968). r-EBUS with CB exhibited no visible lesion in 13 cases, adjacent to the lesion in 19 cases, and within the lesion in 7 cases.Substitution of UTB resulted in r-EBUS images changing from no visible lesion to adjacent to the lesion in 7 cases, from no visible lesion to within the lesion in 3 cases, and from adjacent to the lesion to within the lesion in 12 cases. The positioning of the r-EBUS probe in relation to the lesions improved significantly with UTB usage (Z=-4.46, P<0.001). Localization rates (number of patients with "within" or "adjacent to" the image/total number of patients) for UTB and CB were 92.30% (36/39) and 66.67% (26/39), respectively (χ2=8.10, P=0.002). UTB improved r-EBUS probe localization rates. The diagnostic yields of UTB were higher than CB for solid lesions, lesions>30 mm in diameter, non-upper lobar location, benign or malignant lesions and lesions with or without a bronchus sign. Conclusion: The UTB group demonstrated a significantly higher diagnostic yield than the CB group, providing superior r-EBUS probe images, and a significant diagnostic advantage for PPL.
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Affiliation(s)
- M Y Li
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital Affiliated to Soochow University, Suzhou 212151, China
| | - Q X Chen
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital Affiliated to Soochow University, Suzhou 212151, China
| | - Y J Lu
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital Affiliated to Soochow University, Suzhou 212151, China
| | - W Y Pan
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital Affiliated to Soochow University, Suzhou 212151, China
| | - D X Zeng
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital Affiliated to Soochow University, Suzhou 212151, China
| | - J H Jiang
- Department of Pulmonary and Critical Care Medicine, Dushu Lake Hospital Affiliated to Soochow University, Suzhou 212151, China
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Fan XK, Li MY, Qin Y, Shen C, Lu Y, Sun ZM, Yang J, Tao R, Zhou JY, Hang D, Su J. [Associations of onset age, diabetes duration and glycated hemoglobin level with ischemic stroke risk in type 2 diabetes patients: a prospective cohort study]. Zhonghua Liu Xing Bing Xue Za Zhi 2024; 45:498-505. [PMID: 38678344 DOI: 10.3760/cma.j.cn112338-20231009-00210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/29/2024]
Abstract
Objective: To investigate the associations of onset age, diabetes duration, and glycated hemoglobin (HbA1c) levels with ischemic stroke risk in type 2 diabetes patients. Methods: The participants were from Comprehensive Research on the Prevention and Control of the Diabetes in Jiangsu Province. The study used data from baseline survey from December 2013 to January 2014 and follow-up until December 31, 2021. After excluding the participants who had been diagnosed with stroke at baseline survey and those with incomplete information on onset age, diabetes duration, and HbA1c level, a total of 17 576 type 2 diabetes patients were included. Cox proportional hazard model was used to calculate the hazard ratio (HR) and 95%CI of onset age, diabetes duration, and HbA1c level for ischemic stroke. Results: During the median follow-up time of 8.02 years, 2 622 ischemic stroke cases were registered. Multivariate Cox proportional risk regression model showed that a 5-year increase in type 2 diabetes onset age was significantly associated with a 5% decreased risk for ischemic stroke (HR=0.95, 95%CI: 0.92-0.99). A 5-year increase in diabetes duration was associated with a 5% increased risk for ischemic stroke (HR=1.05, 95%CI: 1.02-1.10). Higher HbA1c (per 1 standard deviation increase:HR=1.17, 95%CI: 1.13-1.21) was associated with an increased risk for ischemic stroke. Conclusion: The earlier onset age of diabetes, longer diabetes duration, and high levels of HbA1c are associated with an increased risk for ischemic stroke in type 2 diabetes patients.
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Affiliation(s)
- X K Fan
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - M Y Li
- School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Y Qin
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - C Shen
- School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - Y Lu
- Suzhou Prefectural Center for Disease Control and Prevention, Suzhou 215003, China
| | - Z M Sun
- Huai'an Prefectural Center for Disease Control and Prevention, Huai'an 223001, China
| | - J Yang
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - R Tao
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - J Y Zhou
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - D Hang
- School of Public Health, Nanjing Medical University, Nanjing 211166, China
| | - J Su
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China School of Public Health, Nanjing Medical University, Nanjing 211166, China
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Li XM, Li MY, Han GL, You K, Jin H, Xiang QY, Li Y. [Incidence and case fatality rates of cardiovascular diseases in urban and rural community-dwelling populations in eastern, central and western regions of China]. Zhonghua Xin Xue Guan Bing Za Zhi 2024; 52:191-198. [PMID: 38326072 DOI: 10.3760/cma.j.cn112148-20231008-00255] [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: 02/09/2024]
Abstract
Objective: To evaluate the incidence and case fatality rate of cardiovascular disease (CVD) among populations in urban and rural communities in eastern, central and western regions of China. Methods: The present study was based on the data of the Prospective Urban and Rural Epidemiology (PURE)-China cohort, which enrolled participants who had at least one follow-up visit and complete information on age and sex. Information on baseline demographics, cardiovascular risk factors, and prevention and treatment for CVD were collected. CVD and mortality events were documented using the standardized case report form of the PURE Global Study to assess the incidence and case fatality rate of CVD among populations in urban and rural communities in eastern, central and western China. Results: This study included a total of 47 262 community-dwelling participants (age: (51.1±9.6) years; female, n=27 529, 58.2%) from 115 urban and rural communities in 12 provinces across the eastern, central, and western regions of China. Over a follow-up period of 11.9 (9.5, 12.6) years, 2 686 deaths and 5 873 cardiovascular events were documented. The incidence of CVD was 11.90 (95%CI: 11.60-12.21)/1 000 person-years. A significant difference in CVD incidence was observed across regions (Ptrend<0.001), which was highest in the western provinces (13.99 (95%CI: 13.33-14.65)/1 000 person-years), intermediate in the eastern provinces (11.92 (95%CI: 11.52-12.33)/1 000 person-years), and lowest in the central provinces (8.87 (95%CI: 8.25-9.50)/1 000 person-years). The 1-year case fatality rate of CVD demonstrated an increasing trend from eastern to western regions (eastern: 10.20% (95%CI: 6.95-14.73); central: 13.50% (95%CI: 9.90-18.14); western: 18.62% (95%CI: 14.95-22.94); Ptrend<0.001). Moreover, the incidence of major CVD was consistently higher in rural areas compared with urban areas across eastern (P<0.001), central (P=0.01) and western (P<0.001)_regions, respectively. The 1-year case fatality rate in rural areas was also significantly higher compared with that in urban areas in both eastern (P<0.001) and western regions (P=0.02). Conclusions: The incidence and case fatality rate of CVD were high among middle-aged population in China, especially those in western regions with low socioeconomic levels and in rural areas.
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Affiliation(s)
- X M Li
- Medical Research and Biometrics Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 102308, China
| | - M Y Li
- Medical Research and Biometrics Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 102308, China
| | - G L Han
- Medical Research and Biometrics Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 102308, China
| | - K You
- Shunyi District Center for Disease Control and Prevention, Beijing 101399, China
| | - H Jin
- Department of Preventive Medicine, Jishuitan Hospital, Beijing 102208, China
| | - Q Y Xiang
- Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
| | - Y Li
- Medical Research and Biometrics Center, National Center for Cardiovascular Diseases, Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 102308, China
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Dai HP, Shen HJ, Li Z, Cui W, Cui QY, Li MY, Chen SF, Zhu MQ, Wu DP, Tang XW. [Efficacy and safety of chimeric antigen receptor T-cell therapy followed by allogeneic hematopoietic stem cell transplantation in 21 patients with Ph-like acute lymphoblastic leukemia]. Zhonghua Xue Ye Xue Za Zhi 2024; 45:35-40. [PMID: 38527836 DOI: 10.3760/cma.j.cn121090-20230929-00154] [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] [Subscribe] [Scholar Register] [Indexed: 03/27/2024]
Abstract
Objective: To evaluate the efficacy and safety of chimeric antigen receptor T-cell (CAR-T) therapy followed by allogeneic hematopoietic stem cell transplantation (allo-HSCT) in patients with Ph-like acute lymphoblastic leukemia (Ph-ALL) . Methods: Patients with Ph-ALL who underwent CAR-T therapy followed by allo-HSCT from March 2018 to August 2023 at the First Affiliated Hospital of Soochow University were included, and their clinical data were retrospectively analyzed. Results: Of the 21 patients, 14 were male and 7 were female. The median age at the time of CAR-T therapy was 22 (6-50) years. Seven patients had ABL1-like rearrangements, and 14 had JAK-STAT rearrangements. Prior to CAR-T therapy, 12 patients experienced hematologic relapse; 7 were multiparameter flow cytometry minimal residual disease (MFC-MRD) -positive and 2 were MFC-MRD-negative. CAR-T cells were derived from patients' autologous lymphocytes. Nine patients were treated with CD19 CAR-T cells, and 12 were treated with CD19/CD22 CAR-T cells. After assessment on day 28 after CAR-T therapy, 95.2% of the patients achieved complete remission, with an MRD-negative remission rate of 75%. Nineteen patients developed grade 0-2 cytokine release syndrome (CRS) and 2 patients suffered grade 3 CRS, all cases of which resolved after treatment. All patients underwent allo-HSCT after CAR-T therapy. The median time from CAR-T therapy to allo-HSCT was 63 (38-114) days. Five patients experienced relapse after CAR-T therapy, including four with hematologic relapse and one with molecular relapse. The 3-year overall survival (OS) rates in the ABL1 and JAK-STAT groups were (83.3±15.2) % and (66.6±17.2) %, respectively (P=0.68) . The 3-year relapse-free survival (RFS) rates were (50.0±20.4) % and (55.6±15.4) % in the ABL1 and JAK-STAT groups, respectively. There was no significant difference in 3-year OS or RFS between the two groups. Conclusions: CAR-T therapy followed by allo-HSCT leads to rapid remission in most patients with Ph-ALL and prolongs leukemia-free survival.
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Affiliation(s)
- H P Dai
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - H J Shen
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - Z Li
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - W Cui
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - Q Y Cui
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - M Y Li
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - S F Chen
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - M Q Zhu
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - D P Wu
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
| | - X W Tang
- The First Affiliated Hospital of Soochow University; National Clinical Research Center for Hematologic Diseases; Jiangsu Institute of Hematology; Collaborative Innovation Center of Hematology; Institute of Blood and Marrow Transplantation, Soochow University, Suzhou 215006, China
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Xu YY, Chen QH, Liu Y, Ji C, Du J, Li MY, Shen HP, Zhang XC, Che XR, Zhao G. [Research progress of vaccination status, efficacy and safety in children with tumor]. Zhonghua Yu Fang Yi Xue Za Zhi 2024; 58:87-91. [PMID: 38228554 DOI: 10.3760/cma.j.cn112150-20230213-00101] [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: 01/18/2024]
Abstract
Malignant tumors in children are one of the most important diseases that threaten the health and quality of life of children and are the second most common cause of death in children.With the continuous improvement and progress of treatment technology, the long-term survival rate of children with tumor has been significantly improved, but both the disease itself and the treatment can impair the immune function of children, which makes them vulnerable to various infectious diseases and secondary serious complications, and even become a source of infection, endangering the health of others. Vaccination is the most cost-effective measure to prevent infectious diseases. For children with normal immune functions, the benefits of vaccination usually outweigh the disadvantages. However, there is a lack of detailed data on the vaccination situation, efficacy and safety of vaccine use for such immunocompromised tumor survivors, and there are no authoritative and uniform vaccination recommendations. This article reviewed and summarized the literature and consensus of some domestic and foreign scholars on current status of post-treatment vaccination status, efficacy and safety of vaccination for children with tumors after treatment, with the aim of providing a reference for the practice in this field in China.
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Affiliation(s)
- Y Y Xu
- Department of Expanded Program on Immunization, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - Q H Chen
- Department of Expanded Program on Immunization, Linping Center for Disease Control and Prevention, Hangzhou 311100, China
| | - Y Liu
- Department of Expanded Program on Immunization, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - C Ji
- Department of Pediatric Health Care, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310000, China
| | - J Du
- Department of Expanded Program on Immunization, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - M Y Li
- Department of Pediatric Health Care, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310000, China
| | - H P Shen
- Department of Pediatric Health Care, The Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310000, China
| | - X C Zhang
- Department of Expanded Program on Immunization, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - X R Che
- Department of Expanded Program on Immunization, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
| | - G Zhao
- Department of Expanded Program on Immunization, Hangzhou Center for Disease Control and Prevention, Hangzhou 310021, China
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Chen YF, Liu SQ, Li MY, Chen R, Shi RH. [Efficacy and safety of endoscopic submucosal dissection with additional radiotherapy for T1a-MM/T1b-SM esophageal squamous cell carcinoma]. Zhonghua Yi Xue Za Zhi 2023; 103:3676-3682. [PMID: 38018068 DOI: 10.3760/cma.j.cn112137-20230814-00222] [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: 11/30/2023]
Abstract
Objective: To clarify the efficacy and safety of endoscopic submucosal dissection (ESD) with additional radiotherapy in T1a-MM/T1b-SM esophageal squamous cell carcinoma (ESCC). Methods: A retrospective analysis was conducted on 71 patients with T1a-MM/T1b-SM ESCC admitted to Southeast University Affiliated Zhongda Hospital from January 2015 to December 2019. The patients were divided into two groups based on the treatment method: the ESD group (ESD therapy alone) and the ESD-radiotherapy group (ESD combined radiotherapy). The follow-up duration after ESD was (44±17) months. The difference of disease-free survival (DFS) rate and overall survival (OS) rate between the two groups was compared by survival analysis, and the occurrence of complications was compared. Baseline variables of the two groups were compared and the influencing factors of DFS rate were analyzed by Cox proportional risk regression model. Results: There were 44 patients in the ESD-radiotherapy group [28 males, 16 females, aged (65±7) years] and 27 patients in the ESD group [18 males, 9 females, aged (67±9) years]. The results of survival analysis show that the 1, 3 and 5-year DFS rates of ESD-radiotherapy group were 95.5%, 92.9% and 77.4%, respectively, which were higher than those of ESD group 85.2%, 73.2% and 62.7% (all P<0.05). The 1, 3 and 5-year OS rates of the ESD-radiotherapy group were 100%, 94.7% and 94.7%, while those of the ESD group were 96.3%, 96.3% and 79.4%, respectively. The difference was not statistically significant (all P>0.05). Cox proportional hazard regression model analysis showed that ESD combined with radiotherapy (HR=0.19, 95%CI: 0.04-0.90, P=0.037), complete tumor resection (HR=0.25, 95%CI: 0.07-0.86, P=0.027), and vascular invasion (HR=12.06, 95%CI: 1.61-90.26, P=0.015) were the influencing factors of DFS rates. The most common complication of ESD was esophageal stenosis, and no grade 3 or higher radiation adverse reactions occurred after combined radiotherapy. Conclusion: ESD combined radiotherapy is an effective and safe therapeutic strategy for patients with T1a-MM/T1b-SM ESCC.
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Affiliation(s)
- Y F Chen
- Nanjing Medical University, Nanjing 211166, China Department of Gastroenterology, Southeast University Zhongda Hospital, Nanjing 210009, China
| | - S Q Liu
- Department of Gastroenterology, Southeast University Zhongda Hospital, Nanjing 210009, China
| | - M Y Li
- Department of Gastroenterology, Southeast University Zhongda Hospital, Nanjing 210009, China
| | - R Chen
- Department of Oncology, Southeast University Zhongda Hospital, Nanjing 210009, China
| | - R H Shi
- Nanjing Medical University, Nanjing 211166, China Department of Gastroenterology, Southeast University Zhongda Hospital, Nanjing 210009, China
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Zhang P, Li MY, Zhang ZT. [Research progress and hot topics in metabolic and bariatric surgery]. Zhonghua Nei Ke Za Zhi 2023; 62:1383-1386. [PMID: 38044062 DOI: 10.3760/cma.j.cn112138-20230927-00164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Affiliation(s)
- P Zhang
- General Surgery Center, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - M Y Li
- General Surgery Center, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Z T Zhang
- General Surgery Center, Beijing Friendship Hospital, Capital Medical University, State Key Laboratory of Digestive Health, National Clinical Research Center for Digestive Diseases, Beijing 100050, China
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Huang JL, Wang X, Yu F, Li MY, Tang YT. [Vaginal microbiota abnormalities in women with unexplained infertility and its treatment]. Zhonghua Yu Fang Yi Xue Za Zhi 2023; 57:1813-1819. [PMID: 38008571 DOI: 10.3760/cma.j.cn112150-20230322-00217] [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: 11/28/2023]
Abstract
The vaginal microbiota is a complex and dynamic environment that plays an important role in the healthy reproduction of women. The mechanism of unexplained infertility is not yet clear, and the imbalance and low stability of vaginal microbiota may be related to unexplained infertility. Taking probiotic composite preparations to restore normal vaginal microbiota may be a safe and natural method for treating unexplained infertility. This article reviews the probiotic composite preparations used in the treatment of unexplained infertility both domestically and internationally, including the isolation site of the bacterial species, the use method of the composite preparation, the course of treatment, and the final therapeutic effect, aiming to provide a basis for the clinical application of probiotic composite preparations in the treatment of unexplained infertility.
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Affiliation(s)
- J L Huang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Maternal and Child Diseases, Ministry of Education, Chengdu 610041, China
| | - X Wang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Maternal and Child Diseases, Ministry of Education, Chengdu 610041, China
| | - F Yu
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Maternal and Child Diseases, Ministry of Education, Chengdu 610041, China
| | - M Y Li
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Maternal and Child Diseases, Ministry of Education, Chengdu 610041, China
| | - Y T Tang
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University/Key Laboratory of Birth Defects and Related Maternal and Child Diseases, Ministry of Education, Chengdu 610041, China
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Tang XJ, Li MY, Zhao XD, Chen L, Lu XJ, Shi RH. [Construction of a prediction model for predicting rebleeding in patients with obscure gastrointestinal bleeding after capsule endoscopy]. Zhonghua Yi Xue Za Zhi 2023; 103:3119-3126. [PMID: 37840183 DOI: 10.3760/cma.j.cn112137-20230513-00780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Objective: To explore the risk factors of rebleeding in patients with obscure gastrointestinal bleeding (OGIB) after capsule endoscopy (CE), and construct a model to predict rebleeding. Methods: The data of patients with OGIB who underwent CE in Zhongda Hospital Affiliated to Southeast University from July 2018 to September 2021 were retrospectively analyzed. Follow-up data were obtained via electronic medical records or telephone interviews. Univariate and multivariate Cox regression models were performed to figure out the risk factors of rebleeding in OGIB patients. Then the optimal prediction model was determined and presented as a nomogram. The model was evaluated by C statistic, calibration curve and decision curve analysis. Results: One hundred and thirty patients with OGIB were included, including 64 females and 66 males, aged (55.8±17.2) years (18-87 years), and 39 (30.0%) cases developed rebleeding during follow-up. Univariate and multivariate Cox regression model analysis showed the duration of more than 2 weeks OGIB (HR=3.70, 95%CI: 1.85-7.42, P<0.001), a history of previous gastrointestinal bleeding (HR=5.25, 95%CI: 2.00-13.81, P<0.001), positive CE findings (HR=3.72, 95%CI: 1.66-8.33, P=0.001), and the lowest hemoglobin level before CE<80 g/L (HR=2.00, 95%CI: 1.02-3.84, P=0.044) were risk factors for rebleeding, while specific treatment (HR=0.25, 95%CI: 0.11-0.54, P<0.001) was a protective factor. The corresponding scores of the above five predictive factors were: OGIB duration>2 weeks: 79 points; Previous history of gastrointestinal bleeding: 100 points; The result of CE was positive: 79 points; Specific treatment:-85 points; Minimum hemoglobin before CE<80 g/L: 41 points. The prediction model constructed from the above five variables had good discriminative capability (concordance index=0.798, 95%CI: 0.732-0.865). The calibration curves showed high consistency between nomogram-predicted probabilities and actual observations. The decision curves showed that when the threshold probability was above 0.04, the use of the nomogram to predict rebleeding provided a greater net benefit than the assumption of "all patients rebleeding or no patients rebleeding". Conclusion: The prediction model established in this study has a good ability to predic rebleeding in patients with OGIB after CE examination.
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Affiliation(s)
- X J Tang
- Nanjing Medical University, Nanjing 211166, China Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - M Y Li
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - X D Zhao
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - L Chen
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - X J Lu
- Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
| | - R H Shi
- Nanjing Medical University, Nanjing 211166, China Department of Gastroenterology, Zhongda Hospital, Southeast University, Nanjing 210009, China
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11
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Xia L, Li ZQ, Xie ZN, Zhang QX, Li MY, Zhang CY, Chen YZ. [Obstructive sleep apnea and type 2 diabetes: a bidirectional Mendelian randomization study]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2023; 58:974-979. [PMID: 37840162 DOI: 10.3760/cma.j.cn115330-20230803-00032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Objective: This study aims to explore the causal relationship between obstructive sleep apnea (OSA) and type 2 diabetes (T2D) using bidirectional Mendelian randomization (MR). Methods: The genetic data related to OSA were obtained from the FinnGen Biobank (Ncase=16, 761, Ncontrol=201, 194) in the Genome-wide association study (GWAS). Three single nucleotide polymorphism (SNP) were screened out as instrumental variable (IV) of OSA. The genetic data related to T2D were derived from a large Meta-analysis of GWAS (Ncase=62, 892, Ncontrol=596, 424), 114 SNP were selected as IV of T2D. Multiple MR methods were used for analysis and inverse variance weighted (IVW) was performed as main method. The sensitivity of MR analytic results was analyzed using MR-Egger and other methods, and the IV was evaluated using F-value statistics. Results: MR analysis showed that OSA was significantly associated with increased risk of T2D (OR=2.016, 95%CI: 1.185-3.429, P<0.05). There was no significant relationship between T2D and OSA risk (OR=1.030, 95%CI: 0.980-1.082, P=0.238). There was heterogeneity in both-way results (OSA➝T2D, P=1.808×10-11; T2D➝OSA, P=1.729×10-7), and no horizontal pleiotropy (OSA➝T2D, P=0.477; T2D➝OSA, P=0.349). IV of OSA and T2D-selected in the study were strong instrumental variables (F statistics of OSA=20.543; F statistics of T2D=30.117). Conclusion: Our results supported that OSA was a risk factor for T2D, but T2D had no significant impact on the incidence of OSA. Blood glucose monitoring and diabetes screening in OSA patients might be beneficial to the early detection and intervention of T2D.
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Affiliation(s)
- L Xia
- School of clinical medicine, Dali University, Dali 671000, China
| | - Z Q Li
- School of clinical medicine, Dali University, Dali 671000, China
| | - Z N Xie
- Department of Otorhinolaryngology, Chongqing Armed Police Corps Hospital, Chongqing 400061, China
| | - Q X Zhang
- Department of Otorhinolaryngology, the First Affiliated Hospital of Dali University, Dali 671000, China
| | - M Y Li
- Department of Otorhinolaryngology, the First Affiliated Hospital of Dali University, Dali 671000, China
| | - C Y Zhang
- Department of Otorhinolaryngology, the First Affiliated Hospital of Dali University, Dali 671000, China
| | - Y Z Chen
- Department of Otorhinolaryngology, the First Affiliated Hospital of Dali University, Dali 671000, China
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12
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Zhao XD, Li MY, Tang XJ, Zhu Y, Chen YF, Shi RH. [Safety and efficacy analysis of the removal of refractory esophageal self-expandable metal stents by stent-in-stent technique]. Zhonghua Yi Xue Za Zhi 2023; 103:2449-2452. [PMID: 37599221 DOI: 10.3760/cma.j.cn112137-20230309-00361] [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: 08/22/2023]
Abstract
To evaluate the safety and efficacy of esophageal stent-in-stent (SIS) in patients with refractory esophageal self-expandable metal stents (SEMS). Case series study. Retrospective analysis was made on the patients with refractory esophageal SEMS treated with SIS technology in Zhongda Hospital Affiliated to Southeast University from June 2015 to June 2021. The success rate of stent removal and the incidence of adverse events were analyzed. A total of 12 patients were included, including 7 males and 5 females, aged 50-73 (62.7±8.5) years. The clinical success rate of the internal stents was 12/12, with the median retention time of [M(Q1, Q3), 64.5 (52.0, 90.8)] days. The postoperative displacement rate and severe stenosis incidence were 1/12 and 3/12, respectively. The esophageal stents were successfully removed in one endoscopic session in all patients. A small amount of mucous membrane extravasation occurred in all patients after SIS, and no patients died after 90 days of follow-up.
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Affiliation(s)
- X D Zhao
- Department of Gastroenterology, Zhongda Hospital Southeast University, Nanjing 210029, China
| | - M Y Li
- Department of Gastroenterology, Zhongda Hospital Southeast University, Nanjing 210029, China
| | - X J Tang
- Department of Gastroenterology, Zhongda Hospital Southeast University, Nanjing 210029, China
| | - Y Zhu
- Department of Gastroenterology, Zhongda Hospital Southeast University, Nanjing 210029, China
| | - Y F Chen
- Department of Gastroenterology, Zhongda Hospital Southeast University, Nanjing 210029, China
| | - R H Shi
- Department of Gastroenterology, Zhongda Hospital Southeast University, Nanjing 210029, China
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13
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Kong JY, Zong LH, Pu Y, Liu Y, Kong X, Li MY, Zhang J, Song BQ, Xue SL, Tang XW, Qiu HY, Wu DP. [Clinical efficacy and safety of venetoclax combined with multidrug chemotherapy in the treatment of 15 patients with relapsed or refractory early T-cell precursor acute lymphoblastic leukemia]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:649-653. [PMID: 37803838 PMCID: PMC10520236 DOI: 10.3760/cma.j.issn.0253-2727.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Indexed: 10/08/2023]
Abstract
Objective: To explore the efficacy and safety of Venetoclax combined with multidrug chemotherapy in patients with relapsed or refractory early T-cell precursor acute lymphoblastic leukemia (R/R ETP-ALL) . Methods: This study retrospectively analyzed 15 patients with R/R ETP-ALL who received Venetoclax combined with multidrug chemotherapy from December 2018 to February 2022. Among them, eight cases were combined with demethylated drugs, four cases were combined with demethylated drugs and HAAG chemotherapy regimen, two cases were combined with demethylated drugs and CAG regimen, and one case was combined with Cladribine. Specific usage and dosage of Venetoclax: 100 mg on day 1, 200 mg on day 2, 400 mg on day 3-28, orally; when combined with azole antifungal drugs, dosage was reduced to 100 mg/d. Results: Fifteen patients (10 males and 5 females) with R/R ETP-ALL were treated with Venetoclax and multidrug chemotherapy with a median age of 35 (12-42) years old. Of 4 refractory and 11 relapsed patients, the efficacy was evaluated on the 21th day following combined chemotherapy: the overall response rate, the complete response (CR) rate, and the CR with incomplete hematological recovery (CRi) rate were 67.7% (10/15), 60.0% (9/15), and 6.7% (1/15), respectively. For the overall study population, the 12-month overall survival (OS) rate was 60.0%, and the median OS was 17.7 months. The disease-free survival (DFS) rate of all CR patients at 12 months was 60.0%, and the median DFS did not reach. About 14 patients had Ⅲ-Ⅳ hematological toxicity, but these adverse reactions were all controllable. No adverse reaction in the nervous system and tumor lysis syndrome occurred in this study, and no adverse reaction of organs above grade Ⅲ occurred. Conclusion: Venetoclax combined with multidrug chemotherapy may be a safe and promising treatment option for patients with R/R ETP-ALL.
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Affiliation(s)
- J Y Kong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - L H Zong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - Y Pu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - Y Liu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - X Kong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - M Y Li
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - J Zhang
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - B Q Song
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - S L Xue
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - X W Tang
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - H Y Qiu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - D P Wu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
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14
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Liang LS, Xiao K, Yu CH, Li MY, Xu PS. [Progress in the pharmacological treatment of tobacco dependence in special populations]. Zhonghua Jie He He Hu Xi Za Zhi 2023; 46:725-729. [PMID: 37402666 DOI: 10.3760/cma.j.cn112147-20221121-00918] [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: 07/06/2023]
Abstract
Schizophrenic and pregnant smokers with tobacco dependence had always been excluded from most large treatment trials for nicotine dependence. As weight gain was found to be common after smoking cessation, obese people were more likely to have a reduced willingness to quit smoking and an increased risk of relapse. This article reviewed the latest research progress in pharmacological treatment of tobacco dependence in schizophrenia, pregnant women, and obese people.
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Affiliation(s)
- L S Liang
- Department of Pulmonary and Critical Care Medicine, Liwan Central Hospital of Guangzhou, Guangzhou 510150, China
| | - K Xiao
- Department of Pulmonary and Critical Care Medicine, the Second People's Hospital of Baiyun, Guangzhou 510450, China
| | - C H Yu
- Department of Pulmonary and Critical Care Medicine, the Second People's Hospital of Baiyun, Guangzhou 510450, China
| | - M Y Li
- Department of Pulmonary and Critical Care Medicine, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
| | - P S Xu
- Department of Pulmonary and Critical Care Medicine, the Second Affiliated Hospital of Guangzhou Medical University, Guangzhou 510260, China
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15
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Meng SD, Wang YX, Wang S, Qian WF, Shao Q, Dou MY, Zhao SJ, Wang JG, Li MY, An YS, He L, Zhang C. Establishment and characterization of an immortalized bovine intestinal epithelial cell line. J Anim Sci 2023:skad215. [PMID: 37351870 DOI: 10.1093/jas/skad215] [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: 03/30/2023] [Indexed: 06/24/2023] Open
Abstract
Primary bovine intestinal epithelial cells (PBIECs) are an important model for studying the molecular and pathogenic mechanisms of diseases affecting the bovine intestine. It is difficult to obtain and grow PBIECs stably, and their short lifespan greatly limits their application. Therefore, the purpose of this study was to create a cell line for exploring the mechanisms of pathogen infection in bovine intestinal epithelial cells in vitro. We isolated and cultured PBIECs and established an immortalized BIEC line by transfecting PBIECs with the pCI-neo-hTERT (human telomerase reverse transcriptase) recombinant plasmid. The immortalized cell line (BIECs-21) retained structure and function similar to that of the PBIECs. The marker proteins characteristic of epithelial cells, cytokeratin 18 (CK18), occludin, zonula occludens protein 1 (ZO-1), E-cadherin and enterokinase, were all positive in the immortalized cell line, and the cell structure, growth rate, karyotype, serum dependence and contact inhibition were normal. The hTERT gene was successfully transferred into BIECs-21 where it remained stable and was highly expressed. The transport of short-chain fatty acids and glucose uptake by the BIECs-21 was consistent with PBIECs, and we showed that they could be infected with the intestinal parasite, Neospora caninum. The immortalized BIECs-21, which have exceeded 80 passages, were structurally and functionally similar to the primary BIECs and thus provide a valuable research tool for investigating the mechanism of pathogen infection of the bovine intestinal epithelium in vitro.
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Affiliation(s)
- S D Meng
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
- Innovative Research Team of Livestock Intelligent Breeding and Equipment, Longmen Laboratory, Luoyang 471023, China
| | - Y X Wang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - S Wang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - W F Qian
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - Q Shao
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - M Y Dou
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - S J Zhao
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - J G Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, 712100, China
| | - M Y Li
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - Y S An
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - L He
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
| | - C Zhang
- Henan International Joint Laboratory of Animal Welfare and Health Breeding, Henan University of Science and Technology, Luoyang, 471023, China
- Henan Engineering Research Center of Livestock and Poultry Emerging Disease Detection and Control, Luoyang, 471023, China
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16
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Wu XY, Li MY, Yang SJ, Jiang J, Ying YL, Chen PR, Long YT. Controlled Genetic Encoding of Unnatural Amino Acid in Protein Nanopore. Angew Chem Int Ed Engl 2023:e202300582. [PMID: 37195576 DOI: 10.1002/anie.202300582] [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: 01/12/2023] [Revised: 05/09/2023] [Accepted: 05/15/2023] [Indexed: 05/18/2023]
Abstract
Conventional protein engineering methods for modifying protein nanopore are typically limited to 20 natural amino acids, which restricts the diversity of nanopore in structure and function. To enrich the chemical environment inside the nanopore, we employed the genetic code expansion (GCE) technique to site-specifically incorporate unnatural amino acid (UAA) into the sensing region of aerolysin nanopore. This approach leveraged the efficient pyrrolysine-based aminoacyl-tRNA synthetase-tRNA pair for a high yield of pore-forming protein. Both molecular dynamics (MD) simulations and single-molecule sensing experiments demonstrated that the conformation of UAA residues provided a favorable geometric orientation for the interactions of target molecules and the pore. This reasonably designed chemical environment enabled the direct discrimination of multiple peptides containing hydrophobic amino acids. Our work provides a new framework to endow unique sensing properties to nanopore that are difficult to achieve using classical protein engineering approaches.
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Affiliation(s)
- Xue-Yuan Wu
- Nanjing University, State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, CHINA
| | - Meng-Yin Li
- Nanjing University, State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, CHINA
| | - Shao-Jun Yang
- Peking University, Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, CHINA
| | - Jie Jiang
- Nanjing University, State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, CHINA
| | - Yi-Lun Ying
- Nanjing University, School of Chemistry and Chemical Engineering, 163 Xianlin Avenu, 210023, Nanjing, CHINA
| | - Peng R Chen
- Peking University, Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Molecular Engineering, Peking-Tsinghua Center for Life Sciences, CHINA
| | - Yi-Tao Long
- Nanjing University, State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, CHINA
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17
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Wu XY, Jiang J, Li JG, Li MY, Long YT. Profiling the chemistry- and confinement-controlled sensing capability of an octameric aerolysin-like protein. Chem Commun (Camb) 2023; 59:5850-5853. [PMID: 37098687 DOI: 10.1039/d3cc01114c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
Octameric Aep1 was employed, for the first time to the best of our knowledge, as a nanopore to expand applications. After investigating the optimized conditions of Aep1 for single-channel recording, the sensing features were characterized. Cyclic and linear molecules of varying sizes and charges were employed to probe the radius and chemical environment of the pore, providing deep insights for expected future endeavors at predicting the structure of octameric Aep1. γ-CD showed unique suitability as an 8-subunit adapter in octameric Aep1, enabling the discrimination of β-nicotinamide mononucleotide.
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Affiliation(s)
- Xue-Yuan Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China.
| | - Jie Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China.
| | - Jun-Ge Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China.
| | - Meng-Yin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China.
| | - Yi-Tao Long
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, 210023, Nanjing, China.
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18
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Li CC, Li XM, Xu YH, Li MY, Wang CP. [Analysis of the burden of disease attributable to high temperature exposure in China and globally from 1990 to 2019]. Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi 2023; 41:271-276. [PMID: 37248180 DOI: 10.3760/cma.j.cn121094-20220507-00243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Objective: To analyze the burden of disease attributable to high temperature exposure in China and globally from 1990 to 2019, and to study the current burden of disease in relevant populations. Methods: In October 2021, based on data from the global burden of disease 2019 (GBD 2019) study, population attributable fraction (PAF), number of deaths, mortality, disability-adjusted life year (DALY) and DALY rate of Chinese and global populations with different ages and genders in 1990 and 2019 were extracted and analyzed. The rate of change was calculated, the mortality rate was normalized by the age structure of the world standard population, and the causes of disease burden caused by high temperature exposure of Chinese residents were analyzed. Results: In 2019, compared with 1990, the PAF of Chinese and global population decreased by 43.98% and 12.41% respectively, the number of deaths increased by 29.55% and 49.40% respectively, the crude mortality rate increased by 7.81% and 3.30% respectively, the DALY decreased by 48.12% and 14.41% respectively, and the DALY rate decreased by 56.82% and 40.82% respectively. The mortality rate of the ≥70 age group was higher than that of other groups. The disease burden indicators such as PAF, standardized mortality and DALY attributable to high temperature exposure in men were higher than those in women. In 2019, the main cause of DALY affected by high temperature exposure in Chinese population was ischemic heart disease (84400 person-years), and the main cause of death was ischemic heart disease (4900 cases). Conclusion: The burden of diseases attributable to high temperature exposure is still serious in China and the world at large. Targeted interventions should be formulated for men, the elderly and people with occupational exposure, and a sound surveillance system should be established to reduce the burden of diseases caused by high temperature exposure.
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Affiliation(s)
- C C Li
- School of Public Health, Weifang Medical College, Weifang 261053, China Occupational Disease Prevention and Health Monitoring and Evaluation Section, Binzhou Center for Disease Control and Prevention, Binzhou 256600, China
| | - X M Li
- Occupational Disease Prevention and Health Monitoring and Evaluation Section, Binzhou Center for Disease Control and Prevention, Binzhou 256600, China
| | - Y H Xu
- Occupational Disease Prevention and Health Monitoring and Evaluation Section, Binzhou Center for Disease Control and Prevention, Binzhou 256600, China
| | - M Y Li
- Occupational Disease Prevention and Health Monitoring and Evaluation Section, Binzhou Center for Disease Control and Prevention, Binzhou 256600, China
| | - C P Wang
- School of Public Health, Weifang Medical College, Weifang 261053, China
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19
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Jiang J, Li MY, Wu XY, Ying YL, Han HX, Long YT. Protein nanopore reveals the renin-angiotensin system crosstalk with single-amino-acid resolution. Nat Chem 2023; 15:578-586. [PMID: 36805037 DOI: 10.1038/s41557-023-01139-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 01/13/2023] [Indexed: 02/22/2023]
Abstract
The discovery of crosstalk effects on the renin-angiotensin system (RAS) is limited by the lack of approaches to quantitatively monitor, in real time, multiple components with subtle differences and short half-lives. Here we report a nanopore framework to quantitatively determine the effect of the hidden crosstalk between angiotensin-converting enzyme (ACE) and angiotensin-converting enzyme 2 (ACE2) on RAS. By developing an engineered aerolysin nanopore capable of single-amino-acid resolution, we show that the ACE can be selectively inhibited by ACE2 to prevent cleavage of angiotensin I, even when the concentration of ACE is more than 30-fold higher than that of ACE2. We also show that the activity of ACE2 for cleaving angiotensin peptides is clearly suppressed by the spike protein of SARS-CoV-2. This leads to the relaxation of ACE and the increased probability of accumulation of the principal effector angiotensin II. The spike protein of the SARS-CoV-2 Delta variant is demonstrated to have a much greater impact on the crosstalk than the wild type.
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Affiliation(s)
- Jie Jiang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Meng-Yin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, China
| | - Xue-Yuan Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Yi-Lun Ying
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing, China
| | - Huan-Xing Han
- Department of Pharmacy, Shanghai Changzheng Hospital, Shanghai, China
| | - Yi-Tao Long
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China.
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Zou YH, Li MY, Zhang YY, Chen ZM. [Progress in detection of Mycoplasma pneumoniae infection]. Zhonghua Er Ke Za Zhi 2023; 61:274-277. [PMID: 36849359 DOI: 10.3760/cma.j.cn112140-20220802-00694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Affiliation(s)
- Y H Zou
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - M Y Li
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Y Y Zhang
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
| | - Z M Chen
- Department of Pulmonology, Children's Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou 310052, China
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21
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Gao Y, Jiang J, Li MY, Long YT. Exploring the water osmosis within physical and chemical controlled confinement for protein sensing. Biophys J 2023; 122:289a-290a. [PMID: 36783436 DOI: 10.1016/j.bpj.2022.11.1640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Affiliation(s)
- Yan Gao
- Nanjing University, Nanjing, China
| | | | - Meng-Yin Li
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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22
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Niu H, Li MY, Wu XY, Long YT. Directly mapping the O-sulfation sites within CCR2 via an engineered nanopore. Biophys J 2023; 122:319a. [PMID: 36783604 DOI: 10.1016/j.bpj.2022.11.1789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Affiliation(s)
| | - Meng-Yin Li
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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23
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Jiang J, Li J, Gao Y, Li MY, Long YT. Direct identification of amino acid-derived hormones with single-atom resolution using an engineered aerolysin nanopore. Biophys J 2023; 122:288a. [PMID: 36783430 DOI: 10.1016/j.bpj.2022.11.1635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023] Open
Affiliation(s)
- Jie Jiang
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Junge Li
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Yan Gao
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Meng-Yin Li
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Yi-Tao Long
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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24
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Kong X, Zhang J, Li MY, Sun AN, Han Y, Tang XW, Qiu HY, Wu DP. [Treatment of infection by Ceftazidime Avibactam in hematopathy patients due to neutropenia]. Zhonghua Xue Ye Xue Za Zhi 2022; 43:1038-1042. [PMID: 36709111 PMCID: PMC9939339 DOI: 10.3760/cma.j.issn.0253-2727.2022.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Indexed: 01/30/2023]
Affiliation(s)
- X Kong
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - J Zhang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - M Y Li
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - A N Sun
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Y Han
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - X W Tang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - H Y Qiu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - D P Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
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25
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Liu Y, Li MY, Zhang M, Zhang P, Zhang ZT. [From mini gastric bypass to one anastomosis gastric bypass, 20 years of one anastomosis gastric bypass]. Zhonghua Wei Chang Wai Ke Za Zhi 2022; 25:869-874. [PMID: 36245110 DOI: 10.3760/cma.j.cn441530-20220630-00287] [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
In 2001, Rutledge reported the first case of mini gastric bypass (MGB). Carbajo improved the technique of MGB and named it one anastomosis gastric bypass (OAGB). Over the past 20 years, a large number of clinical and basic studies on OAGB/MGB have been reported, and the answers to some key questions about OAGB/MGB have gradually become clear. From a technical point of view, MGB and OAGB can be regarded as two subvariants of one surgery. The advantages of OAGB/MGB include: (1) simplicity, safety and lower probability of internal hernia;(2) stable and durable weight reduction effect; (3) stable and durable remission rate of type 2 Diabetes. The disadvantages of OAGB/MGB include: (1) bile reflux; (2) higher risk of malnutrition. OAGB/MGB has achieved a good balance between effectiveness and safety, and has become the most noticed and fastest-growing bariatric and metabolic procedure in recent years. OAGB/MGB has been recommended as a standard bariatric and metabolic procedure by IFSO and ASMBS.
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Affiliation(s)
- Y Liu
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - M Y Li
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - M Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - P Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
| | - Z T Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University & National Clinical Research Center for Digestive Diseases, Beijing 100050, China
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26
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Zhang DL, Chen Y, Yi B, Wang AH, Ma X, Chu YR, Lei S, Zhang YW, Li MY, Xu GZ. [Epidemiological characteristics of a local cluster epidemic caused by 2019-nCoV Delta variant in Ningbo, 2021]. Zhonghua Liu Xing Bing Xue Za Zhi 2022; 43:1376-1380. [PMID: 36117342 DOI: 10.3760/cma.j.cn112338-20220214-00119] [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 understand the epidemiological characteristics of a local clustered epidemic caused by 2019-nCoV Delta variant in Ningbo and provide reference for the improvement of COVID-19 epidemic prevention and control. Methods: Case finding was conducted based on case definitions, and field epidemiological investigation of COVID-19 cases was carried out. In which Nasal and oropharyngeal swabs of the cases were collected for pathogen testing, and the results were analyzed with descriptive epidemiological methods. Results: A total of 74 COVID-19 cases were reported in this epidemic, and the cases were mainly mild ones, accounting for 87.84% (65/74), and there were no severe or critical cases. The epidemic curve showed a human-to-human transmission mode, indicating that a transmission for at least six generations had occurred. The age of the COVID-19 patients ranged from 2 years to 80 years, and 27.03% (20/74) of the cases were older than 60 years. The cases were mainly workers (55.41%, 41/74) and housework/the unemployed (27.03%, 20/74). The COVID-19 epidemic was limited, and no further spread to other areas occurred. The transmission chain among the cases was clear, and the gene sequencing results confirmed that the current epidemic was caused by 2019-nCoV Delta variant, which was highly homologous to the strains from other province. Conclusion: The local COVID-19 epidemic in Ningbo was caused by imported cases of COVID-19 from other province, and local community spread occurred through daily contacts between cases and contacts.
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Affiliation(s)
- D L Zhang
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - Y Chen
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - B Yi
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - A H Wang
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - X Ma
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - Y R Chu
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - S Lei
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - Y W Zhang
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - M Y Li
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
| | - G Z Xu
- Department of Communicable Disease Control and Prevention, Ningbo Prefectural Center for Disease Control and Prevention, Ningbo 315010, China
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27
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Li MY, Feng Y, Guan X, Fu M, Wang CM, Jie JL, Li H, Bai YS, Li GYN, Wei W, Meng H, Guo H. [The relationship between peripheral blood mitochondrial DNA copy number and incident risk of liver cancer: a case-cohort study]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:1289-1294. [PMID: 36207893 DOI: 10.3760/cma.j.cn112150-20220104-00006] [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 investigate the association between peripheral blood mitochondrial DNA copy number (mtDNAcn) and incident risk of liver cancer. Methods: At the baseline of Dongfeng-Tongji (DFTJ) cohort, 27 009 retirees were recruited from Dongfeng Motor Corporation in 2008. After excluding people without baseline DNA, with current malignant tumor and loss of follow-up, 1 173 participants were randomly selected into a sub-cohort by age-and gender-stratified sampling method at a proportion of 5% among all retirees. A total of 154 incident liver cancer cases identified from the cohort before December 31, 2018 (4 cases had been selected into the sub-cohort) were selected to form the case cohort of liver cancer. For the above 1 323 participants, their baseline levels of mtDNAcn in peripheral blood cells were measured by using quantitative real-time PCR method. The restricted cubic spline analysis was used to fit the shape of the association between baseline mtDNAcn and incident risk of liver cancer. The weighted Cox proportional hazards model was used to estimate the hazard ratio (HR) and 95%CI. Results: In this case-cohort study, the median follow-up time was 10.3 years. The restricted cubic spline analysis indicated that the relationship between peripheral blood mtDNAcn and incident risk of liver cancer followed a U-shaped pattern (Pnon-linear<0.05). All case-cohort population were divided into four subgroups by sex-specific quartiles of mtDNAcn levels among sub-cohort participants, when compared to participants in the Q2 subgroup of mtDNAcn, those in the Q1 subgroup (HR=2.00,95%CI:1.08-3.70) and Q4 subgroup (HR=4.11,95%CI:2.32-7.26) both had a significantly elevated risk of liver cancer, while those in the Q3 subgroup (HR=1.05,95%CI:0.54-2.05) had not. There were no significant multiply interaction effects of aging, gender, tobacco smoking, alcohol drinking and history of chronic hepatitis on the above association (Pinteraction>0.05). Conclusion: Both extremely low and high baseline level of mtDNAcn in peripheral blood cells are associated with an increased risk of incident liver cancer, but the underlying mechanisms need to be further clarified.
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Affiliation(s)
- M Y Li
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Y Feng
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - X Guan
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - M Fu
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - C M Wang
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - J L Jie
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - H Li
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Y S Bai
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - G Y N Li
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - W Wei
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - H Meng
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - H Guo
- Department of Occupational and Environmental Health, Key Laboratory of Environment & Health, Ministry of Education, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Abstract
Single-entity electrochemistry (SEE) provides powerful means to measure single cells, single particles, and even single molecules at the nanoscale by diverse well-defined interfaces. The nanoconfined electrode interface has significantly enhanced structural, electrical, and compositional characteristics that have great effects on the assay limitation and selectivity of single-entity measurement. In this Perspective, after introducing the dynamic chemistry interactions of the target and electrode interface, we present a fundamental understanding of how these dynamic interactions control the features of the electrode interface and thus the stochastic and discrete electrochemical responses of single entities under nanoconfinement. Both stochastic single-entity collision electrochemistry and nanopore electrochemistry as examples in this Perspective explore how these interactions alter the transient charge transfer and mass transport. Finally, we discuss the further challenges and opportunities in SEE, from the design of sensing interfaces to hybrid spectro-electrochemical methods, theoretical models, and advanced data processing.
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Affiliation(s)
- Si-Min Lu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
| | - Meng-Yin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
| | - Yi-Tao Long
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
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Niu H, Li MY, Ying YL, Long YT. Correction: An engineered third electrostatic constriction of aerolysin to manipulate heterogeneously charged peptide transport. Chem Sci 2022; 13:6429. [PMID: 35733890 PMCID: PMC9159105 DOI: 10.1039/d2sc90101c] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 05/13/2022] [Indexed: 11/21/2022] Open
Abstract
Correction for ‘An engineered third electrostatic constriction of aerolysin to manipulate heterogeneously charged peptide transport’ by Hongyan Niu et al., Chem. Sci., 2022, 13, 2456–2461, https://doi.org/10.1039/D1SC06459B.
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Affiliation(s)
- Hongyan Niu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
| | - Meng-Yin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China.,Chemistry and Biomedicine Innovation Center, Nanjing University Nanjing 210023 P. R. China
| | - Yi-Lun Ying
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China.,Chemistry and Biomedicine Innovation Center, Nanjing University Nanjing 210023 P. R. China
| | - Yi-Tao Long
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 P. R. China
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30
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Li JG, Li MY, Li XY, Wu XY, Ying YL, Long YT. Full Width at Half Maximum of Nanopore Current Blockage Controlled by a Single-Biomolecule Interface. Langmuir 2022; 38:1188-1193. [PMID: 35019652 DOI: 10.1021/acs.langmuir.1c02900] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
A biological nanopore is one of the predominant single-molecule approaches as a result of its controllable single-biomolecule interface, which could reflect the "intrinsic" information on an individual molecule in a label-free way. Because the current blockage is normally treated as the most important parameter for nanopore identification of every single molecule, the fluctuation of current blockage for certain types of molecules, defined as full width at half maximum (fwhm) of current blockage, actually owns a dominant influence on nanopore resolution. Therefore, controlling the fwhm of current blockage of molecules is critical for the sensing capability of the nanopore. Here, taking an aerolysin nanopore as a model, by precisely controlling the functional group in this single-biomolecule interface, we could narrow the fwhm of nanopore current blockage for DNA identification and prolong the duration inside the nanopore. Moreover, a substantial correlation between fwhm of current blockage and duration is established, showing a non-monotonic variation. Besides, the mechanism is also clarified with studying the detailed current blockage events. This proposed correlation is further demonstrated to be applied uniformly across different mutant aerolysins for a certain DNA. This study proposes a new strategy for regulating molecular sensing from the duration of the analyte, which could guide the resolution of heterogeneity analysis using nanopores.
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Affiliation(s)
- Jun-Ge Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Meng-Yin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing 210023, People's Republic of China
| | - Xin-Yi Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Xue-Yuan Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
| | - Yi-Lun Ying
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing 210023, People's Republic of China
| | - Yi-Tao Long
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, People's Republic of China
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31
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Li MY, Yang Y, Hu JG, Liu TM, Tao YC. Anomalous Josephson current through a topological noncoplanar ferromagnetic trilayer. J Phys Condens Matter 2022; 34:135801. [PMID: 34986474 DOI: 10.1088/1361-648x/ac484b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
We present an anomalous Josephson effect in a TI-based Josephson junction with a ferromagnetic insulator (FI) trilayer which has noncoplanar magnetizations. It is shown that there exist equal fractional spin-singlet and -triplet correlations due to the magnetism-tuning chiral Dirac energy band structure. The consequent anomalous Josephson supercurrent is exhibited, in which a 0-πor similar 0-πstate transition through phase shift is induced only by exchange field strength of the first FI region, while theϕ0supercurrent and the maximum one gradually drop with the increase of exchange field strengths of the second and third FI regions without relative state transitions. With the increase of the FI region length, theϕ0supercurrent and the maximum one are also both decreased, are found, which is different from the situation for increasing the exchange filed strength. In addition, the corresponding free energies are presented and discussed.
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Affiliation(s)
- M Y Li
- Department of Physics, Nanjing Normal University, Nanjing 210023, People's Republic of China
| | - Y Yang
- Department of Physics, Nanjing Normal University, Nanjing 210023, People's Republic of China
| | - J G Hu
- Department of Physics, Yangzhou University, Yangzhou 225009, People's Republic of China
| | - T M Liu
- Department of Physics, Nanjing Normal University, Nanjing 210023, People's Republic of China
| | - Y C Tao
- Department of Physics, Nanjing Normal University, Nanjing 210023, People's Republic of China
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32
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Xia K, Li MY, Tian HY, Huang GR, Xie FX, Zhang Y, Fu WL. [Detection of drug resistance genes of mycobacterium tuberculosis by rolling circle amplification technique with multicolor fluorescent probes]. Zhonghua Yu Fang Yi Xue Za Zhi 2022; 56:56-62. [PMID: 35092992 DOI: 10.3760/cma.j.cn112150-20210813-00788] [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: 06/14/2023]
Abstract
The aim of this study was to construct a simple, rapid and ultra-sensitive optical biosensing technique based on rolling circle amplification (RCA), and to apply it to multiple detection of drug-resistant genes of mycobacterium tuberculosis. The common mutation sites of isoniazid, rifampicin and streptomycin resistance genes are katG315 (AGC➝ACC), rpoB531 (CAC➝TAC) and rpsL43 (AAG➝AGG). For these three gene sites, from February 2020 to May 2021, in the Department of Laboratory Medicine of the First Affiliated Hospital of Army Military Medical University, the padlock probe (PLP), primers and capture probes were designed. And a solid-phase RCA constant temperature amplification reaction system based on magnetic beads was constructed and the experimental parameters were optimized. The RCA products were accurately captured by the multicolor fluorescent probes (Cy3/Cy5/ROX), and the single-tube multiple detection of three mutation genes was realized. The sensitivity, specificity and linear range of this method were further verified. The results showed that the response range of katG315 in the same reaction system ranged from 1.0 pmol/L to 0.1 nmol/L. The response range of rpoB531 and rpsL43 ranged from 1.0 pmol/L to 50.0 pmol/L and 1.0 pmol/L to 20.0 pmol/L, and the method had good specificity and sensitivity, and could accurately identify single base mutations in mixed targets, with the minimum detection limit as low as 1.0 pmol/L. The recoveries of simulated serum samples were 95.0%-105.2%. In conclusion, the constant temperature amplification multiple detection method constructed in this study can quickly realize the single-tube multiple detection of three drug resistance mutation sites. This technology is low-cost, simple and rapid, and does not rely on large equipment, providing a new analysis method for pathogen drug resistance gene detection.
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Affiliation(s)
- K Xia
- Department of Laboratory Medicine, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - M Y Li
- Department of Laboratory Medicine, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - H Y Tian
- Department of Laboratory Medicine, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - G R Huang
- Department of Laboratory Medicine, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - F X Xie
- Department of Laboratory Medicine, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
| | - Y Zhang
- Department of Laboratory Medicine, Chongqing University Cancer Hospital, Chongqing 400030, China
| | - W L Fu
- Department of Laboratory Medicine, First Affiliated Hospital, Army Medical University, Chongqing 400038, China
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33
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Na K, Li MY, Qiu MH, Li J, Liu R, Li Y, Han YL. [The efficacy and safety of ticagrelor versus clopidogrel in elderly patients with acute coronary syndrome undergoing percutaneous coronary intervention]. Zhonghua Xin Xue Guan Bing Za Zhi 2021; 49:1117-1123. [PMID: 34775722 DOI: 10.3760/cma.j.cn112148-20201127-00943] [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 compare the efficacy and safety of ticagrelor and clopidogrel in elderly Chinese patients with acute coronary syndrome (ACS) underwent percutaneous coronary intervention (PCI) in the real world. Methods: This study is a post-hoc analysis of a single center, retrospective cohort study. Between March 2016 and March 2018, elderly (age≥65) ACS patients who underwent PCI in the General Hospital of Northern Theater Command were included in the study. The patients were grouped according to P2Y12 receptor inhibitor. The primary endpoints of this study were ischemic events during the 2-year follow-up, which were defined as the composite of cardiac death, myocardial or stroke. The secondary efficiency endpoints included all-cause death and BARC 2, 3, 5 bleeding events. Results: A total of 4 022 elderly (mean age: (71.5±5.3) years) ACS patients were included in this study. Based on the choice of P2Y12 receptor inhibitor, patients were divided into clopidogrel (n=3 201) and ticagrelor (n=821) groups. Incidences of ischemic events (3.2% (26/821) vs. 5.6% (179/3 201), P=0.005) at 2 years were significantly lower in ticagrelor group compared to clopidogrel group. BARC 2, 3, 5 bleeding events (1.7% (14/821) vs. 1.6% (52/3 201), P=0.818) were comparable between the two groups. The incidence of all-cause death (1.5% (12/821) vs. 4.1% (132/3 201), P=0.005) were also lower in the ticagrelor group compared to the clopidogrel group. Clinical outcomes were consistent after adjusting for confounding factors, the incidence of ischemic events (HR= 0.637, 95%CI 0.409-0.991, P=0.046) and all-cause mortality (HR=0.402, 95%CI 0.213-0.758, P=0.005) was significantly lower in the ticagrelor group compared with the clopidogrel group. Risk of BARC 2, 3, 5 bleeding events were similar between the two groups (HR=0.957, 95%CI 0.496-1.848, P=0.897). Conclusion: In real-world clinical practice, for elderly patients with ACS undergoing PCI, ticagrelor use might reduce the incidence of long-term ischemic events and all-cause death without increasing the risk of bleeding.
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Affiliation(s)
- K Na
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - M Y Li
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - M H Qiu
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - J Li
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - R Liu
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - Y Li
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
| | - Y L Han
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang 110016, China
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Abstract
The nanopore approach holds the possibility for achieving single-molecule protein sequencing. However, ongoing challenges still remain in the biological nanopore technology, which aims to identify 20 natural amino acids by reading the ionic current difference with the traditional current-sensing model. In this paper, taking aerolysin nanopores as an example, we calculate and compare the current blockage of each of 20 natural amino acids, which are all far from producing a detectable current blockage difference. Then, we propose a modified solution conductivity of σ' in the traditional volume exclusion model for nanopore sensing of a peptide. The σ' value describes the comprehensive result of ion mobility inside a nanopore, which is related to but not limited to nanopore-peptide interactions, and the positions, orientations, and conformations of peptides inside the nanopore. The nanopore experiments of a short peptide (VQIVYK) in wild type and mutant nanopores further demonstrate that the traditional volume exclusion model is not enough to fully explain the current blockage contribution and that many other factors such as enhanced nanopore-peptide interactions could contribute to a dominant part of the current change. This modified sensing model provides insights into the further development of nanopore protein sequencing methods.
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35
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Tian MR, Yang PY, Yue TT, Li MY, Zhang YJ, Zhang MX, Zhang LM, Yan YR, Hu ZL, Du YZ, Li YY, Jin FY. [A predictive model based on risk factors for early mortality in patients with newly diagnosed multiple myeloma]. Zhonghua Xue Ye Xue Za Zhi 2021; 42:666-672. [PMID: 34547873 PMCID: PMC8501273 DOI: 10.3760/cma.j.issn.0253-2727.2021.08.009] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
目的 分析影响初治多发性骨髓瘤(NDMM)患者早期死亡(EM)的因素,建立其预测模型,以期识别EM风险。 方法 回顾性分析2009年5月至2017年1月吉林大学白求恩第一医院收治的275例NDMM患者,对6个月(EM6)、12个月(EM12)及24个月(EM24)内死亡患者初诊时基线特征进行单因素分析,并根据多因素分析结果建立EM的预测模型。 结果 本研究中EM6、EM12及EM24的发生率分别是5.5%、12.7%和30.2%;最常见的死亡原因为疾病复发/进展,在EM6、EM12及EM24中分别占60.0%、77.1%及84.3%。影响EM6的因素包括经白蛋白校正的血清钙(校正钙)>2.75 mmol/L和PLT<100×109/L;影响EM12的因素包括年龄>75岁、国际分期系统(ISS) Ⅲ期、修订版国际分期系统(R-ISS) Ⅲ期、校正钙>2.75 mmol/L、血清肌酐>177 µmol/L、PLT<100×109/L及骨髓浆细胞比例≥60%;影响EM24的因素中,除上述影响EM12的因素外,还包括男性和染色体核型1q+。多因素分析尚未发现EM6和EM12的独立预后因素。在EM24的多因素分析中,年龄>75岁、PLT<100×109/L和染色体核型1q+是EM24的独立预后因素。根据Logistic回归系数赋分:年龄>75岁:1分;PLT<100×109/L:2分;染色体核型1q+:1分,建立EM24预测模型,ROC曲线下面积为0.709(95%CI 0.626~0.793)。积分≥3分的患者24个月内死亡风险是0~2分患者的26倍,积分0~4分的NDMM患者中位总生存期分别为59、41、22、17.5及16个月(P<0.001)。 结论 年龄>75岁、PLT<100×109/L和染色体核型1q+为EM24的独立预后因素,依据上述变量构建的EM24预测模型有助于识别EM风险和预测生存,具有较好标准度与区分度。
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Affiliation(s)
- M R Tian
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - P Y Yang
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - T T Yue
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - M Y Li
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - Y J Zhang
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - M X Zhang
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - L M Zhang
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - Y R Yan
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - Z L Hu
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - Y Z Du
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - Y Y Li
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
| | - F Y Jin
- Department of Hematology, the First Hospital of Jilin University, Changchun 130021, China
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Li MY, Ying YL, Yu J, Liu SC, Wang YQ, Li S, Long YT. Revisiting the Origin of Nanopore Current Blockage for Volume Difference Sensing at the Atomic Level. JACS Au 2021; 1:967-976. [PMID: 34467343 PMCID: PMC8395674 DOI: 10.1021/jacsau.1c00109] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Indexed: 05/21/2023]
Abstract
Changes in the nanopore ionic current during entry of a target molecule underlie the sensing capability and dominate the intensity and extent of applications of the nanopore approach. The volume exclusion model has been proposed and corrected to describe the nanopore current blockage. However, increasing evidence shows nonconformity with this model, suggesting that the ionic current within a nanopore should be entirely reconsidered. Here, we revisit the origin of nanopore current blockage from a theoretical perspective and propose that the noncovalent interactions between a nanopore and a target molecule affect the conductance of the solution inside the nanopore, leading to enhanced current blockage. Moreover, by considering the example of an aerolysin nanopore discriminating the cytosine DNA and methylcytosine DNA that differ by a single methyl group, we completely demonstrate, by nanopore experiments and molecular dynamics simulations, the essential nature of this noncovalent interaction for discrimination. Our conductance model suggests multiplicative effects of both volume exclusion and noncovalent interaction on the current blockage and provides a new strategy to achieve volume difference sensing at the atomic level with highly specific current events, which would promote the nanopore protein sequencing and its applications in real-life systems.
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Affiliation(s)
- Meng-Yin Li
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, P.R. China
- Chemistry
and Biomedicine Innovation Center, Nanjing
University, Nanjing 210023, P.R. China
| | - Yi-Lun Ying
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, P.R. China
- Chemistry
and Biomedicine Innovation Center, Nanjing
University, Nanjing 210023, P.R. China
| | - Jie Yu
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Shao-Chuang Liu
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, P.R. China
| | - Ya-Qian Wang
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Shuang Li
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Yi-Tao Long
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, Nanjing 210023, P.R. China
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37
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Li MY, Liu WY, Wang H, Chu H, Ma ZP, Zhang W, Ma YQ. [Pulmonary papillary adenoma: report of a case]. Zhonghua Bing Li Xue Za Zhi 2021; 50:823-825. [PMID: 34405626 DOI: 10.3760/cma.j.cn112151-20201117-00845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- M Y Li
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
| | - W Y Liu
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
| | - H Wang
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
| | - H Chu
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
| | - Z P Ma
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
| | - W Zhang
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
| | - Y Q Ma
- Department of Pathology, the First Affiliated Hospital of Xinjiang Medical University, Urumqi 834000, China
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38
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Xia YM, Xia M, Zhao Y, Li MY, Ou X, Gao WW. Photocatalytic electrochemical sensor based on three-dimensional graphene nanocomposites for the ultrasensitive detection of CYFRA21-1 gene. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106245] [Citation(s) in RCA: 6] [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] [Indexed: 01/13/2023]
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39
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Wang LL, He XY, Zhai YK, Cui FF, Li MY, Zhao J. [Evaluation of telecytology application in thyroid biopsy]. Zhonghua Bing Li Xue Za Zhi 2021; 50:658-660. [PMID: 34078057 DOI: 10.3760/cma.j.cn112151-20200918-00721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- L L Wang
- Department of Telemedicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - X Y He
- Department of Telemedicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - Y K Zhai
- School of Management Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - F F Cui
- Department of Telemedicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - M Y Li
- Department of Telemedicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
| | - J Zhao
- Department of Telemedicine Center, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China
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Zhao CZ, Chen Z, Li MY. [Research progress of polymicrobial synergy and dysbiosis in periodontitis]. Zhonghua Kou Qiang Yi Xue Za Zhi 2021; 56:301-305. [PMID: 33663163 DOI: 10.3760/cma.j.cn112144-20200429-00239] [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: 02/05/2023]
Abstract
Human oral cavity is colonized by various microbial communities which play an important role in the initiation and progression of periodontitis. However, it is still not clear how these microbial communities mediate the disease. With the rise of metagenomics research, polymicrobial synergy and dysbiosis (PSD) model, a new periodontitis pathogenesis mechanism, was proposed. The importance of the microbial communities acting as a whole system in the development of periodontitis is gradually recognized. Host susceptibility, as another key factor in the initiation of the disease, is vital in PSD model. This article reviews the mechanisms of the PSD model and its research progress in periodontitis as well as some other diseases and briefly highlights the positive significance in terms of prevention and treatment of periodontitis in order to provide insights and perspectives for the future periodontal researches.
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Affiliation(s)
- C Z Zhao
- West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
| | - Z Chen
- Department of Conservative Dentistry and Endodontics, Guiyang Hospital of Stomatology, Guiyang 550002, China
| | - M Y Li
- West China Hospital of Stomatology, Sichuan University & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, Chengdu 610041, China
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41
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Liu W, Ying YL, Li MY, Wu XY, Long YT. The Reactivity of Cysteine in Nanopore Confined Environment. Biophys J 2021. [DOI: 10.1016/j.bpj.2020.11.2245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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42
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Li MY, Wu XY, Ying YL, Long YT. Regulating the Membrane Transport Processes for Bio-Molecules via an Engineered Aerolysin. Biophys J 2021. [DOI: 10.1016/j.bpj.2020.11.1309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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43
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Xia YX, Zhang F, Li XC, Kong LB, Zhang H, Li DH, Cheng F, Pu LY, Zhang CY, Qian XF, Wang P, Wang K, Wu ZS, Lyu L, Rao JH, Wu XF, Yao AH, Shao WY, Fan Y, You W, Dai XZ, Qin JJ, Li MY, Zhu Q, Wang XH. [Surgical treatment of primary liver cancer:a report of 10 966 cases]. Zhonghua Wai Ke Za Zhi 2021; 59:6-17. [PMID: 33412628 DOI: 10.3760/cma.j.cn112139-20201110-00791] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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 summarize the experience of surgical treatment of primary liver cancer. Methods: The clinical data of 10 966 surgically managed cases with primary liver cancer, from January 1986 to December 2019 at Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University, were retrospectively analyzed. The life table method was used to calculate the survival rate and postoperative recurrence rate. Log-rank test was used to compare the survival process of different groups, and the Cox regression model was used for multivariate analysis. In addition, 2 884 cases of hepatocellular carcinoma(HCC) with more detailed follow-up data from 2009 to 2019 were selected for survival analysis. Among 2 549 patients treated with hepatectomy, there were 2 107 males and 442 females, with an age of (56.6±11.1) years (range: 20 to 86 years). Among 335 patients treated with liver transplantation, there were 292 males and 43 females, with an age of (51.0±9.7) years (range: 21 to 73 years). The outcomes of hepatectomy versus liver transplantation, anatomic versus non-anatomic hepatectomy were compared, respectively. Results: Of the 10 966 patients with primary liver cancer, 10 331 patients underwent hepatectomy and 635 patients underwent liver transplantation. Patients with liver resection were categorized into three groups: 1986-1995(712 cases), 1996-2008(3 988 cases), 2009‒2019(5 631 cases). The 5-year overall survival rate was 32.9% in the first group(1986-1995). The 5-year overall survival rate of resected primary liver cancer was 51.7% in the third group(2009-2019), among which the 5-year overal survival rates of hepatocellular carcinoma, intrahepatic cholangiocarcinoma and mixed liver cancer were 57.4%, 26.6% and 50.6%, respectively. Further analysis was performed on 2 549 HCC patients with primary hepatectomy. The 1-, 3-, 5-, and 10-year overall survival rates were 88.1%, 71.9%, 60.0%, and 41.0%, respectively, and the perioperative mortality rate was 1.0%. Two hundred and forty-seven HCC patients underwent primary liver transplantation, with 1-, 3-, 5-, and 10-year overall survival rates of 84.0%, 64.8%, 61.9%, and 57.6%, respectively. Eighty-eight HCC patients underwent salvage liver transplantation, with the 1-, 3-, 5-, and 10-year overall survival rates of 86.8%, 65.2%, 52.5%, and 52.5%, respectively. There was no significant difference in survival rates between the two groups with liver transplantation (P>0.05). Comparing the overall survival rates and recurrence rates of primary hepatectomy (2 549 cases) with primary liver transplantation (247 cases), the 1-, 3-, 5-, and 10-year overall survival rates in patients within Milan criteria treated with hepatectomy and transplantation were 96.3%, 87.1%, 76.9%, 54.7%, and 95.4%, 79.4%, 77.4%, 71.7%, respectively (P=0.754). The 1-, 3-, 5-year recurrence rates were 16.3%, 35.9%, 47.6% and 8.1%, 11.7%, 13.9%, respectively(P<0.01). The 1-, 3-, 5-, 10-year overall survival rates in patients with no large vessels invasion beyond the Milan criteria treated with liver resection and transplantation were 87.2%, 65.9%, 53.0%, 33.0% and 87.6%, 71.8%, 71.8%, 69.3%, respectively(P=0.003); the 1-, 3-, 5-year recurrence rate were 39.2%, 57.8%, 69.7% and 29.7%, 36.7%, 36.7%, respectively (P<0.01). The 1-, 3-, 5-, and 10-year overall survival rates in patients with large vessels invasion treated with liver resection and transplantation were 62.1%, 36.1%, 22.2%, 15.0% and 62.9%, 31.8%,19.9%, 0, respectively (P=0.387); the 1-, 3-, 5-year recurrence rates were 61.5%, 74.7%, 80.8% and 59.7%, 82.9%, 87.2%, respectively(P=0.909). Independent prognostic factors for both overall survival and recurrence-free survival rates of HCC patients treated with liver resection included gender, neoadjuvant therapy, symptoms, AST, intraoperative or postoperative blood transfusion, tumor number, tumor size, cirrhosis, macrovascular invasion, microvascular invasion, and pathological differentiation. Propensity score matching analysis of 443 pairs further showed that there was no significant difference in overall survival rate between anatomical liver resection and non-anatomical liver resection(P=0.895), but the recurrence rate of non-anatomical liver resection was higher than that of anatomical liver resection(P=0.035). Conclusions: In the past decade, the overall survival rate of HCC undergoing surgical treatment is significantly higher than before. For HCC patients with good liver function reservation, surgical resection can be performed first, and salvage liver transplantation can be performed after recurrence. The effect of salvage liver transplantation is comparable to that of primary liver transplantation. As for the choice of liver resection approaches, non-anatomical resection can reserve more liver tissue and can be selected as long as the negative margin is guaranteed.
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Affiliation(s)
- Y X Xia
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - F Zhang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - X C Li
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - L B Kong
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - H Zhang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - D H Li
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - F Cheng
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - L Y Pu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - C Y Zhang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - X F Qian
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - P Wang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - K Wang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - Z S Wu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - L Lyu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - J H Rao
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - X F Wu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - A H Yao
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - W Y Shao
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - Y Fan
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - W You
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - X Z Dai
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - J J Qin
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - M Y Li
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - Q Zhu
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
| | - X H Wang
- Hepatobiliary Center, the First Affiliated Hospital of Nanjing Medical University;Liver Cancer Institute, Nanjing Medical University, Nanjing 210000, China
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Huang CY, Li MY, Liu W, Li XX, Xu Y, Li JY, Yao QQ, Wang LM. Performance of prognostic nomogram in predicting long-term survival outcomes for osteosarcoma. J BIOL REG HOMEOS AG 2020; 34:1819-1824. [PMID: 33146004 DOI: 10.23812/20-105-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- C Y Huang
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, China
| | - M Y Li
- Department of Cancer Recovery, Taikang Hospital, China
| | - W Liu
- Department of Orthopaedic Surgery, Affiliated Jiangsu Province Hospital of Nanjing Medical University, China
| | - X X Li
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, China
| | - Y Xu
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, China
| | - J Y Li
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, China
| | - Q Q Yao
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, China
| | - L M Wang
- Department of Orthopaedic Surgery, Nanjing First Hospital, Nanjing Medical University, China
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Huang XJ, Yang Y, Deng ZM, Kuang Y, Shi H, Li WY, Li MY. Clostridium novyi exhibits antitumor effect in mice transplanted with H22 hepatocarcinoma by down-regulation of hypoxia-inducible factor-1α. J BIOL REG HOMEOS AG 2020; 34:2159-2164. [PMID: 33225677 DOI: 10.23812/20-213-l] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- X J Huang
- Department of pathogen biology, Medical school,Hubei Minzu University, Ensi, China
- Department of Microbiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Y Yang
- Department of Microbiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - Z M Deng
- Department of Microbiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
- Hospital of Chengdu Office of People's Government of Tibetan Autonomous Region, Chengdu, China
| | - Y Kuang
- Department of Microbiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - H Shi
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
| | - W Y Li
- Department of Microbiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
| | - M Y Li
- Department of Microbiology, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, China
- Department of Laboratory Medicine, West China Second University Hospital, Sichuan University, Chengdu, China
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46
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Rao HY, Li MY, Wei L. [Elimination of hepatitis C, our progress, challenges and hopes]. Zhonghua Gan Zang Bing Za Zhi 2020; 28:809-811. [PMID: 33105921 DOI: 10.3760/cma.j.cn501113-20200929-00538] [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
Hepatitis C infection is a serious public health threat, and the World Health Organization has recommended the elimination of public health threats from viral hepatitis, including hepatitis C, by 2030. Many countries and regions are actively exploring strategies and models to eliminate the public health threat of hepatitis C. It is estimated that there are at least 7.6 million cases of chronic hepatitis C in China, with both diagnosis and treatment rates far away to 2030 target. China's government, social organizations and doctors at different levels are also actively exploring the mode of eliminating the public health threat of hepatitis C in China, including the main mode supported by national standards, government-led mode, social institution undertaking and government-supported mode, medical alliance mode, screening in high-prevalence areas and services contracted with family doctors. China can have a lessons learning from international and ourselves experience, particularly as "Test and treat all based on needs and demand" strategy in Covid-19 control, finally achieve eliminate the public health threat of hepatitis C as soon as possible.
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Affiliation(s)
- H Y Rao
- Peking University People's Hospital, Peking University Hepatology Institute, Beijing Key Laboratory of Hepatitis C and Immunotherapy for Liver Diseases, Beijing International Cooperation Base for Science and Technology on NAFLD Diagnosis, Beijing 100044, China
| | - M Y Li
- China Liver Health, Beijing 100070, China
| | - L Wei
- China Liver Health, Beijing 100070, China; Hepatopancreatobiliary Center, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing 102218, China
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47
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Abstract
The simultaneous occurrence of multiple heterogeneous DNA phosphorylation statuses, which include 5' end phosphorylation, 5' end dephosphorylation, 3' end phosphorylation, and 3' end dephosphorylation, is crucial for regulating numerous cellular processes. Although there are many methods for detecting a single type of DNA phosphorylation, the direct and simultaneous identification of DNA phosphorylation/dephosphorylation on the 5' and/or 3' ends remains a challenge, let alone the unveiling of the heterogeneous catalysis processes of related phosphatases and kinases. Taking advantage of the charge-sensitive aerolysin nanopore interface, herein, an orientation-dependent sensing strategy is developed to enhance phosphorylation-site-dependent interaction with the nanopore sensing interface, enabling the direct and simultaneous electric identification of four heterogeneous phosphorylation statuses of a single DNA. By using this strategy, we can directly evaluate the heterogeneous dephosphorylation process of alkaline phosphatase (ALP) at the single-molecule level. Our results demonstrate that the ALP in fetal bovine serum preferentially catalyzes the 3' phosphate rather than both ends. The quantification of endogenous ALP activity in fetal bovine serum could reach the submilli-IU/L level. Our aerolysin measurements provide a direct look at the heterogeneous phosphorylation status of DNA, allowing the unveiling of the dynamic single-molecule functions of kinase and phosphatase.
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Affiliation(s)
- Meng-Yin Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing 210023, P.R. China
| | - Yi-Lun Ying
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
- Chemistry and Biomedicine Innovation Center, Nanjing University, Nanjing 210023, P.R. China
| | - Shuang Li
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Ya-Qian Wang
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Xue-Yuan Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Yi-Tao Long
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P.R. China
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Gao YH, Li GN, Jia J, Wang WC, Duan Y, Wei H, Li T, Li MY, Zhong X, Li XQ. Significance of tissue transglutaminase in myocardial fibrosis after myocardial infarction in rats. J BIOL REG HOMEOS AG 2020; 34:663-668. [PMID: 32506879 DOI: 10.23812/20-30-l-57] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Y H Gao
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - G N Li
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - J Jia
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - W C Wang
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Y Duan
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - H Wei
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - T Li
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - M Y Li
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - X Zhong
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - X Q Li
- Department of Cardiology, Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
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49
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Wu XY, Li MY, Ying YL, Long YT. Design and Construction of an Aerolysin Single-Molecule Interface for Single-Molecule Sensing. Biophys J 2020. [DOI: 10.1016/j.bpj.2019.11.2665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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50
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Wang J, Li MY, Yang J, Wang YQ, Wu XY, Huang J, Ying YL, Long YT. Direct Quantification of Damaged Nucleotides in Oligonucleotides Using an Aerolysin Single Molecule Interface. ACS Cent Sci 2020; 6:76-82. [PMID: 31989027 PMCID: PMC6978832 DOI: 10.1021/acscentsci.9b01129] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Indexed: 05/06/2023]
Abstract
DNA lesions such as metholcytosine(mC), 8-OXO-guanine (OG), inosine (I), etc. could cause genetic diseases. Identification of the varieties of lesion bases are usually beyond the capability of conventional DNA sequencing which is mainly designed to discriminate four bases only. Therefore, lesion detection remains a challenge due to massive varieties and less distinguishable readouts for structural variations at the molecular level. Moreover, standard amplification and labeling hardly work in DNA lesion detection. Herein, we designed a single molecule interface from the mutant aerolysin (K238Q), whose sensing region shows high compatibility to capture and then directly convert a minor lesion into distinguishable electrochemical readouts. Compared with previous single molecule sensing interfaces, the temporal resolution of the K238Q aerolysin nanopore is enhanced by two orders, which has the best sensing performance in all reported aerolysin nanopores. In this work, the novel K238Q could discriminate directly at least three types of lesions (mC, OG, I) without labeling and quantify modification sites under the mixed heterocomposition conditions of the oligonucleotide. Such a nanopore electrochemistry approach could be further applied to diagnose genetic diseases at high sensitivity.
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Affiliation(s)
- Jiajun Wang
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, 210023, Nanjing, China
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, 200237, Shanghai, China
| | - Meng-Yin Li
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, 210023, Nanjing, China
| | - Jie Yang
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, 200237, Shanghai, China
| | - Ya-Qian Wang
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, 200237, Shanghai, China
| | - Xue-Yuan Wu
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, 210023, Nanjing, China
- School
of Chemistry and Molecular Engineering, East China University of Science and Technology, 200237, Shanghai, China
| | - Jin Huang
- School
of Pharmacy, East China University of Science
and Technology, 200237, Shanghai, China
| | - Yi-Lun Ying
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, 210023, Nanjing, China
| | - Yi-Tao Long
- State
Key Laboratory of Analytical Chemistry for Life Science, School of
Chemistry and Chemical Engineering, Nanjing
University, 210023, Nanjing, China
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