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Lu Y, Li Q, Liu J, Cui Y, Yang J, Gao D, Liu J, Ma A, Zhang N, Wang J. Association between cancer health literacy and cancer-related behavior of residents in Shandong, China. Health Promot Int 2024; 39:daae008. [PMID: 38386900 DOI: 10.1093/heapro/daae008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2024] Open
Abstract
Health literacy is closely related to the incidence of major chronic diseases and its related behaviors such as cancer-related behaviors. This study explored how the cancer health literacy level affects cancer-related behaviors. About one to two villages from six cities of Shandong province were selected as sample areas. Professionals conducted face-to-face interviews with the participants. Finally, 1200 residents completed 1085 effective questionnaires. Data were analysed from a cross-sectional survey in 2019, which included 1085 residents in six cities/counties of Shandong province, China. The result showed that residents with high cancer health literacy were more likely to eat fruits and vegetables frequently, avoid eating moldy food and take exercise. Besides, they were more likely to engage in health education and have a higher willingness to pay for cancer screenings. Most residents in Shandong province have a basic level of cancer health literacy. Improving the cancer health literacy of the population can be an effective strategy to promote a healthier lifestyle, thereby reducing the incidence rates related to cancers.
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Affiliation(s)
- Youhua Lu
- School of Public Health, Weifang Medical University, 7166 Baotong West Street, Weicheng District, Weifang, Shandong 261053, China
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, Shandong 250021, China
| | - Qiuxia Li
- School of Public Health, Weifang Medical University, 7166 Baotong West Street, Weicheng District, Weifang, Shandong 261053, China
| | - Jinhui Liu
- Eye Hospital of Shandong First Medical University, State Key Laboratory Cultivation Base, Shandong Provincial Key Laboratory of Ophthalmology, Shandong Eye Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 372 Jingsi Road, Jinan, Shandong 250021, China
| | - Yongchun Cui
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, Shandong 250021, China
| | - Jia Yang
- Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, Shandong 252004, China
| | - Dongqing Gao
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, Shandong 250021, China
| | - Jingmin Liu
- School of Public Health, Weifang Medical University, 7166 Baotong West Street, Weicheng District, Weifang, Shandong 261053, China
| | - Anning Ma
- School of Public Health, Weifang Medical University, 7166 Baotong West Street, Weicheng District, Weifang, Shandong 261053, China
| | - Nan Zhang
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, Shandong 250021, China
| | - Jialin Wang
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, 440 Jiyan Road, Jinan, Shandong 250021, China
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Xu X, Pang T, Zhou Y, Zhang H, Ma A, Yuan C, Chen H, Wen X, Yang Q, Xu X. The Multi-domain Lifestyle Intervention for Cognitive Impairment in Community-Dwelling Older Adults in Hangzhou (The Heritage Study): Study Design and Protocol. J Prev Alzheimers Dis 2024; 11:601-611. [PMID: 38706276 DOI: 10.14283/jpad.2024.59] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
BACKGROUND The globe has been working to promote a multi-domain lifestyle intervention for dementia prevention in older adults, referring to the Worldwide-FINGERS (Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability) initiative. In China, the multi-domain lifestyle intervention has been implemented in rural communities (MIND-China), yet the adaptability of such intervention based on the urban communities in China has not been verified. OBJECTIVE To examine the effectiveness and feasibility of the multi-domain lifestyle intervention on dementia prevention in at-risk community-dwelling older adults in China. DESIGN, SETTING, PARTICIPANTS The multi-domain lifestyle intervention study is a community-based 2-year cluster randomized controlled trial (RCT). A total of 1200 participants aged 60-80 years old will be recruited from twelve communities in Hangzhou, Zhejiang. Inclusion criteria were the Montreal Cognitive Assessment 5 minutes protocol (5 min MoCA) score of 6-9 or the Ascertain Dementia 8 (AD 8) score of ≥2, and having modifiable lifestyle factors. INTERVENTION, MEASUREMENTS, RESULTS Participating communities will be randomized into either the structured multi-domain intervention (SMI) arm or the self-guided intervention (SGI, general health education) arm. The SMI consists of cognitive training, physical exercise, and nutritional and dietary instruction for the first 12 months; and vascular risks monitoring and control for 24 months. The primary outcome is the global cognitive performance, measured by the comprehensive Neuropsychological Test Battery (NTB). The secondary outcomes include domain-specific cognitive performances, physical function, mental health, physiological and biochemical indices, adherence to healthy lifestyles, and neuroimaging metrics. The feasibility of intervention will be evaluated around the five dimensions of the RE-AIM framework and in conjunction with quantitative data, operational data and results of focus group discussions. CONCLUSIONS Following the Worldwide-FINGERS, this cluster RCT will verify the adaptability of the multi-domain lifestyle intervention in the urban community settings in China. This study will add evidence for global dementia prevention and management among older adults.
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Affiliation(s)
- X Xu
- Xin Xu, School of Public Health, the Second Affiliated Hospital, Zhejiang University School of Medicine, China, 310058.
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Zhu J, Qu Y, Lu M, Ma A, Mo J, Wen Z. CT-based radiomics for prediction of pulmonary haemorrhage after percutaneous CT-guided transthoracic lung biopsy of pulmonary nodules. Clin Radiol 2023; 78:e993-e1000. [PMID: 37726191 DOI: 10.1016/j.crad.2023.08.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 08/14/2023] [Accepted: 08/23/2023] [Indexed: 09/21/2023]
Abstract
AIM To evaluate the feasibility of intranodular and perinodular computed tomography (CT) radiomics features for predicting the occurrence of pulmonary haemorrhage after percutaneous CT-guided transthoracic lung biopsy (PCTLB) in pulmonary nodules. MATERIALS AND METHODS The data for 332 patients with pulmonary nodules who underwent PCTLB were reviewed retrospectively. Pulmonary haemorrhage after PCTLB was evaluated using CT (144 cases occurred). Radiomics features based on gross nodular (GNV) and perinodular volumes (PNV) were extracted from pre-biopsy CT images and features selection using least absolute shrinkage and selection operator (LASSO) regression, and three radiomics scores (rad-scores) were built. Rad-scores, clinical, and clinical-radiomic models were developed and evaluated to predict the occurrence of pulmonary haemorrhage. RESULTS Five, five, and six significant features were selected for prediction of pulmonary haemorrhage based on GNV, PNV, and GNV + PNV, respectively. Lesion depth was the only clinical characteristics related to pulmonary haemorrhage. Lesion depth and rad-score based on GNV, PNV, and GNV + PNV for predicting the pulmonary haemorrhage achieved areas under the curves (AUCs) of 0.656, 0.645, 0.651, and 0.635 in the validation group, respectively. Three clinical-radiomic models improved the AUCs to 0.743, 0.723, and 0.748. The performance of rad-score_GNV + PNV combined with lesion depth outperformed the clinical model (p=0.024) and the radiomics signature (p=0.038). In addition, the radiomics signatures were significantly associated with higher-grade pulmonary haemorrhage (p<0.05). CONCLUSIONS Radiomics features from intranodular and perinodular regions of pulmonary nodules have good predictive ability for pulmonary haemorrhage after PCTLB, which may provide additional predictive value for clinical practice.
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Affiliation(s)
- J Zhu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, 253 Gongye Middle Avenue, Haizhu District, Guangzhou, Guangdong, 510282, China
| | - Y Qu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, 253 Gongye Middle Avenue, Haizhu District, Guangzhou, Guangdong, 510282, China
| | - M Lu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, 253 Gongye Middle Avenue, Haizhu District, Guangzhou, Guangdong, 510282, China
| | - A Ma
- Department of Radiology, Zhujiang Hospital, Southern Medical University, 253 Gongye Middle Avenue, Haizhu District, Guangzhou, Guangdong, 510282, China
| | - J Mo
- Department of Radiology, Zhujiang Hospital, Southern Medical University, 253 Gongye Middle Avenue, Haizhu District, Guangzhou, Guangdong, 510282, China
| | - Z Wen
- Department of Radiology, Zhujiang Hospital, Southern Medical University, 253 Gongye Middle Avenue, Haizhu District, Guangzhou, Guangdong, 510282, China.
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Ma X, Feng W, Shi C, Wang Y, Gao Q, Cai W, An H, Jing Q, Gao R, Ma A. Association between the location of social medical insurance and social integration among China's elderly rural migrants: a nationwide cross-sectional study. BMC Public Health 2023; 23:2108. [PMID: 37884916 PMCID: PMC10604806 DOI: 10.1186/s12889-023-16956-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023] Open
Abstract
BACKGROUND Universal social medical insurance coverage is viewed as a major factor in promoting social integration, but insufficient evidence exists on the integration of elderly rural migrants (ERM), generally aged 60 years and above, in low- and middle-income countries. To address this problem, we explore the relationship between the location of social medical insurance (SMI), such as a host city, and social integration in the context of Chinese ERM. METHODS This study is based on data from the 2017 National Internal Migrant Dynamic Monitoring Survey in China. The study participants were Chinese ERM. An integration index was constructed to measure the degree of social integration in a multi-dimensional manner using a factor analysis method. This study used descriptive statistics and one-way analysis of variance to explore the differences in social integration between ERM with SMI from host cities and hometowns. Stepwise multiple linear regression analysis was used to test the correlation between SMI location and social integration level in the overall sample. Finally, the results were verified by propensity score matching. RESULTS It was found that 606 (18.2%) of the insured ERM chose host city SMI, while 2727 (81.8%) chose hometown SMI. The level of social integration was lower among ERM with hometown SMI (-1.438 ± 32.795, F = 28.311, p ≤ 0.01) than those with host city SMI (6.649 ± 34.383). Among the dimensions of social integration, social participation contributed more than other factors, with a contribution rate of 45.42%. Host city SMI increased the probability of the social integration index by 647% among ERM (k-nearest neighbor caliper matched (n = 4, caliper = 0.02), with a full sample ATT value of 6.47 (T = 5.32, SE = 1.48, p < 0.05)). CONCLUSIONS ERM with host city SMI have a higher social integration level than those with hometowns SMI. That is, host city SMI positively affects social integration. Policymakers should focus on the access of host city SMI for ERM. Removing the threshold of host city SMI coverage for ERM can promote social integration.
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Affiliation(s)
- Xiaojie Ma
- School of Public Health, Weifang Medical University, Weifang, 261000, China
| | - Wenjia Feng
- School of Public Health, Weifang Medical University, Weifang, 261000, China
| | - Chaojun Shi
- School of Public Health, Weifang Medical University, Weifang, 261000, China
| | - Yifan Wang
- School of Public Health, Weifang Medical University, Weifang, 261000, China
| | - Qianqian Gao
- School of Management, Weifang Medical University, Weifang, 261000, China.
- Institute of Public Health Crisis Management, Weifang Medical University, Weifang, China.
| | - Weiqin Cai
- School of Management, Weifang Medical University, Weifang, 261000, China.
- Institute of Public Health Crisis Management, Weifang Medical University, Weifang, China.
| | - Hongqing An
- School of Public Health, Weifang Medical University, Weifang, 261000, China
- Institute of Public Health Crisis Management, Weifang Medical University, Weifang, China
| | - Qi Jing
- School of Management, Weifang Medical University, Weifang, 261000, China
- Institute of Public Health Crisis Management, Weifang Medical University, Weifang, China
| | - Runguo Gao
- School of Public Health, Weifang Medical University, Weifang, 261000, China
- Institute of Public Health Crisis Management, Weifang Medical University, Weifang, China
| | - Anning Ma
- School of Public Health, Weifang Medical University, Weifang, 261000, China
- Institute of Public Health Crisis Management, Weifang Medical University, Weifang, China
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Peng C, Guo Q, Zhang T, Chen J, Liu N, Yan P, Lu Y, Ma A, Lv P, Liu J, Xie P. Maintenance Therapy for Recurrent or Metastatic Cervical Cancer: A Multicenter, Cohort Study. Int J Radiat Oncol Biol Phys 2023; 117:e537-e538. [PMID: 37785662 DOI: 10.1016/j.ijrobp.2023.06.1827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Maintenance therapy with alternative agents after chemotherapy was shown to improve the overall survival in some advanced cancers such as breast cancer, lung cancer, ovarian cancer and so on. However, maintenance therapy is not accepted as the standard treatment for recurrent/metastatic cervical cancer. Aim of this study is to elucidate the efficacy of maintenance therapy in cervical cancer and to explore the factors associated with the prognosis of recurrent or metastatic cervical cancer. MATERIALS/METHODS In this multicenter cohort study, we retrospectively collected patients with a diagnosis of either recurrent or stage IVB cervical cancer to receive first-line chemotherapy with or without maintenance therapy. Patients did not have disease progression with first-line chemotherapy and were divided into maintenance therapy group (Arm A) and conventional chemotherapy group (Arm B). Information on clinical characteristics, metastasis information, treatment outcome and survival of patients was collected using an electronic medical record system. The endpoints of the study were OS and PFS. Data were analyzed for general characteristics and survival using statistical software, and the results were considered statistically significant at P < 0.05. RESULTS Between January 2019 and July 2021, a total of 270 patients were enrolled from 6 institutions in China. 26 patients were excluded because of short treatment cycles (less than 3 cycles). Finally, a total of 66 patients in Arm A and 178 patients in Arm B were analyzed for survival. The addition of maintenance significantly prolonged overall survival. Overall survival at 3 year was 50.1% in Arm A and 27.8% in Arm B (median overall survival, ≥36 months vs. 22 months; P<0. 001). The median progression-free survival was 21 months in Arm A and 14 months in Arm B (P = 0.025). Univariate survival analysis showed that age, maintenance therapy, combined radiotherapy, and number of extra-pelvic metastases were associated with PFS. Further multifactorial analysis showed that maintenance therapy, combined radiotherapy, and number of extra-pelvic metastases were independent prognostic factors for patients with recurrent or metastatic cervical cancer. CONCLUSION The addition of maintenance therapy significantly prolonged overall survival as well as progression-free survival in patients with recurrent or metastatic cervical cancer and did not increase the incidence of serious adverse events. It is time to consider maintenance therapy as the standard treatment after conventional chemotherapy for recurrent or metastatic cervical cancer, rather than waiting for disease progression.
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Affiliation(s)
- C Peng
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - Q Guo
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - T Zhang
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - J Chen
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - N Liu
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
| | - P Yan
- Department of Gastrointestinal, Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Y Lu
- Department of Radiation Oncology, The First Affiliated Hospital of Wannan Medical College, Wuhan, China
| | - A Ma
- Department of Thoracic Surgery, East Hospital of Shandong First Medical University Affiliated Provincial Hospital, Jinan, China
| | - P Lv
- Department of Gynecology, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, China
| | - J Liu
- Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
| | - P Xie
- Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, China
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Yang T, Liu Z, Zhang B, Zhang J, Ma A, Cao D, Chen D. Comparison of the efficacy of low-molecular-weight heparin and fondaparinux sodium after total knee arthroplasty: a retrospective cohort study. BMC Musculoskelet Disord 2023; 24:552. [PMID: 37403062 DOI: 10.1186/s12891-023-06674-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 06/29/2023] [Indexed: 07/06/2023] Open
Abstract
BACKGROUND Low-molecular-weight heparin (LMWH) and fondaparinux sodium (FPX) are routinely used to prevent deep vein thrombosis (DVT) after total knee arthroplasty (TKA). In this study, we compared the effects of these agents in preventing post-TKA DVT. METHODS Clinical data of patients who underwent unilateral TKA for unicompartmental knee osteoarthritis at the Ningxia Medical University General Hospital between September 2021 and June 2022 were retrospectively analyzed. Based on the anticoagulation agent used, the patients were divided into LMWH and FPX groups (34 and 37 patients, respectively). Changes in perioperative coagulation-related indicators, d-dimer and platelet count, perioperative complete blood count, amount of blood loss, lower-limb DVT, pulmonary embolism, and allogeneic blood transfusion were determined. RESULTS Intergroup differences in d-dimer or fibrinogen (FBG) levels before and 1 or 3 days after surgery were not significant (all p > 0.05); within-group pairwise comparisons indicated significant differences (all, p < 0.05). Intergroup differences in preoperative prothrombin time (PT), thrombin time, activated partial PT, and international normalized ratio were not significant (all p > 0.05), whereas significant differences were detected on postoperative days 1 and 3 (all p < 0.05). Intergroup differences in platelet counts before and 1 or 3 days after surgery were not significantly different (all p > 0.05). Pairwise comparisons of hemoglobin and hematocrit levels between patients in the same group before and 1 or 3 days after surgery revealed significant differences in both groups (all p < 0.05); however, intergroup differences were not significant (all p > 0.05). Although intergroup differences in visual analog scale (VAS) scores before and 1 or 3 days after surgery were not significant (p > 0.05), we detected significant intragroup differences in VAS scores before and 1 or 3 days after surgery (p < 0.05). The treatment cost ratio was significantly lower in the LMWH group than in the FPX group (p < 0.05). CONCLUSION Both LMWH and FPX can effectively prevent DVT after TKA. There are some suggestive signals that FPX may have more beneficial pharmacological effects and clinical significance, while LMWH is cheaper and therefore more economical.
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Affiliation(s)
- Tianxiang Yang
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Zige Liu
- Department of Clinical Medicine, Guangxi Medical University, Nanning, 530021, China
| | - Bowen Zhang
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Jinning Zhang
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Anning Ma
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Dede Cao
- Department of Clinical Medicine, Ningxia Medical University, Yinchuan, 750004, China
| | - Desheng Chen
- Department of Orthopedics, People's Hospital of Ningxia Hui Autonomous Region, Yinchuan, 750002, China.
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Lu M, Qu Y, Ma A, Zhu J, Zou X, Lin G, Li Y, Liu X, Wen Z. [Prediction of 1p/19q codeletion status in diffuse lower-grade glioma using multimodal MRI radiomics]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:1023-1028. [PMID: 37439176 DOI: 10.12122/j.issn.1673-4254.2023.06.19] [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: 07/14/2023]
Abstract
OBJECTIVE To develop a noninvasive method for prediction of 1p/19q codeletion in diffuse lower-grade glioma (DLGG) based on multimodal magnetic resonance imaging (MRI) radiomics. METHODS We collected MRI data from 104 patients with pathologically confirmed DLGG between October, 2015 and September, 2022. A total of 535 radiomics features were extracted from T2WI, T1WI, FLAIR, CE-T1WI and DWI, including 70 morphological features, 90 first order features, and 375 texture features. We constructed logistic regression (LR), logistic regression least absolute shrinkage and selection operator (LRlasso), support vector machine (SVM) and Linear Discriminant Analysis (LDA) radiomics models and compared their predictive performance after 10-fold cross validation. The MRI images were reviewed by two radiologists independently for predicting the 1p/19q status. Receiver operating characteristic curves were used to evaluate classification performance of the radiomics models and the radiologists. RESULTS The 4 radiomics models (LR, LRlasso, SVM and LDA) achieved similar area under the curve (AUC) in the validation dataset (0.833, 0.819, 0.824 and 0.819, respectively; P>0.1), and their predictive performance was all superior to that of resident physicians of radiology (AUC=0.645, P=0.011, 0.022, 0.016, 0.030, respectively) and similar to that of attending physicians of radiology (AUC=0.838, P>0.05). CONCLUSION Multiparametric MRI radiomics models show good performance for noninvasive prediction of 1p/19q codeletion status in patients with in diffuse lower-grade glioma.
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Affiliation(s)
- M Lu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Y Qu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - A Ma
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - J Zhu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - X Zou
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - G Lin
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Y Li
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - X Liu
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
| | - Z Wen
- Department of Radiology, Zhujiang Hospital, Southern Medical University, Guangzhou 510282, China
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Jiao M, Liu C, Liu Y, Wang Y, Gao Q, Ma A. Estimates of the global, regional, and national burden of atrial fibrillation in older adults from 1990 to 2019: insights from the Global Burden of Disease study 2019. Front Public Health 2023; 11:1137230. [PMID: 37377555 PMCID: PMC10291625 DOI: 10.3389/fpubh.2023.1137230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 05/12/2023] [Indexed: 06/29/2023] Open
Abstract
Background Atrial fibrill ation (AF) is a predominant public health concern in older adults. Therefore, this study aimed to explore the global, regional, and national burden of AF in older adults aged 60-89 between 1990 and 2019. Methods The morbidity, mortality, disability-adjusted life years (DALYs), and age-standardized rates of AF were refined from the Global Burden of Diseases study 2019. The epidemiological characteristics were assessed based on numerical values, age-standardized rates per 100,000 person-years, and estimated annual percentage changes (EAPC). Results Globally, a total of 33.31 million AF cases, 219.4 thousand deaths, and 65.80 million DALYs were documented in 2019. There were no appreciable changes in EAPC from 1990 to 2019. The disease burden of AF differed significantly across different territories and countries. At the national level, China exhibited the highest number of incident cases [818,493 (562,871-1,128,695)], deaths [39,970 (33,722-46,387)], and DALYs [1,383,674 (1,047,540-1,802,516)]. At the global level, high body mass index (BMI) and high systolic blood pressure (SBP) were two predominant risk factors contributing to the proportion of AF-related deaths. Conclusion AF in older adults remains a major public health concern worldwide. The burden of AF varies widely at both national and regional levels. From 1990 to 2019, the cases of incidences, deaths, and DALYs have shown a global increase. The ASIR, ASMR, and ASDR have declined in the high-moderate and high SDI regions; however, the burden of AF increased promptly in the lower SDI regions. Special attention should be paid to the main risk factors for high-risk individuals with AF, which can help control systolic blood pressure and body mass index within normal limits. Over all, it is necessary to illustrate the features of the global AF burden and develop more effective and targeted prevention and treatment strategies.
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Affiliation(s)
- Min Jiao
- School of Public Health, Weifang Medical University, Weifang, China
| | - Chenglin Liu
- Department of Cardiology, Affiliated Hospital of Jining Medical University, Jining, China
| | - Yongwen Liu
- School of Public Health, Weifang Medical University, Weifang, China
| | - Yan Wang
- School of Public Health, Weifang Medical University, Weifang, China
| | - Qianqian Gao
- School of Management, Weifang Medical University, Weifang, China
| | - Anning Ma
- School of Public Health, Weifang Medical University, Weifang, China
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Li H, Zhou Q, Zhu H, Shi P, Shen Q, Zhang Z, Chen Z, Pu C, Xu L, Hu Z, Ma A, Gong Z, Xu T, Wang P, Wang H, Hao C, Li C, Hao M. The evolution of mental health related policies in China: A bibliometric analysis, 1987-2020. Front Public Health 2022; 10:964248. [PMID: 36504965 PMCID: PMC9729878 DOI: 10.3389/fpubh.2022.964248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 11/03/2022] [Indexed: 11/25/2022] Open
Abstract
Background Since 1987, the Chinese government has promoted public mental health by continuously implementing mental health related policies. This research attempts to reveal the distribution and characteristics of mental health related policies. In addition, it can help stakeholders evaluate whether the environment for policy implementation has improved and identify key points in the development of the overall mental health system. Methods We used a bibliometric approach to analyze the evolution of mental health related policies in China from 1987 to 2020. A total of 239 mental health related policies were collected from Beida Fabao and official Internet websites of governmental departments. Co-wording, social networks, and citation analysis were applied to explore the evolutionary features of such policies. Results The evolution of policy development showed that the number of mental health related policies in China has been increasing and their content has been enriched. Over time, mental health related policies not only gradually expanded its focus on common mental disorders, but also included an increasing number of keywords related to service provision, organization and administration. However, most policies were implemented independently by separate agencies and the number of policies jointly implemented by different agencies only accounted for 32.64% of all the policies implemented. The Ministry of Health (MOH) is at the core of the collaborative network associated with implementing mental health related policies in China. Conclusion The environment associated with the implementation of mental health related policies in China is gradually improving. However, cross-sector collaboration among different agencies needs to be strengthened and financial support for related resources needs more attention. A clear division of responsibilities among various agencies and a sustainable financing mechanism are essential to the development and implementation of mental health related policies.
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Affiliation(s)
- Haiyan Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China,Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
| | - Qingyu Zhou
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China,Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
| | - Hao Zhu
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China,Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
| | - Peiwu Shi
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, China
| | - Qunhong Shen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,School of Public Policy and Management, Tsinghua University, Beijing, China
| | - Zhaoyang Zhang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Project Supervision Center of National Health Commission of the China, Beijing, China
| | - Zheng Chen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Department of Grassroots Public Health Management Group, Public Health Management Branch of Chinese Preventive Medicine Association, Shanghai, China
| | - Chuan Pu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Lingzhong Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,School of Public Health, Shandong University, Jinan, Shandong, China
| | - Zhi Hu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,School of Health Service Management, Anhui Medical University, Hefei, Anhui, China
| | - Anning Ma
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,School of Management, Weifang Medical University, Weifang, Shandong, China
| | - Zhaohui Gong
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Committee on Medicine and Health of Central Committee of China Zhi Gong Party, Beijing, China
| | - Tianqiang Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Institute of Inspection and Supervision, Shanghai Municipal Health Commission, Shanghai, China
| | - Panshi Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Shanghai Municipal Health Commission, Shanghai, China
| | - Hua Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Jiangsu Preventive Medicine Association, Nanjing, Jiangsu, China
| | - Chao Hao
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Changzhou Center for Disease Control and Prevention, Changzhou, Jiangsu, China
| | - Chengyue Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China,Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China,*Correspondence: Chengyue Li
| | - Mo Hao
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China,Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China,Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China,Mo Hao
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10
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Wang L, Ren J, Chen J, Gao R, Bai B, An H, Cai W, Ma A. Lifestyle choices mediate the association between educational attainment and BMI in older adults in China: A cross-sectional study. Front Public Health 2022; 10:1000953. [PMID: 36388355 PMCID: PMC9643852 DOI: 10.3389/fpubh.2022.1000953] [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] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 10/10/2022] [Indexed: 01/26/2023] Open
Abstract
As the Chinese population ages, unhealthfully high body mass index (BMI) levels in older adults are becoming a public health concern as an unhealthfully high BMI is an ill-being condition and can contribute to the risk of disease. Education and lifestyle choices affect BMI; however, the evidence on the relationships and interactions among these factors remains unclear. This study aimed to investigate the mediating effect of lifestyle choices on educational attainment and BMI among older adults in China. Using the Chinese Family Panel Studies (CFPS) 2018 panel data, this study integrated personal- and family-level economic data libraries, including 7,359 adults aged ≥60 years. Lifestyle parameters included smoking amount and screen time. Height and weight values were used to calculate BMI. The chi-square test, binary logistic regression analysis, stepwise regression analysis, and bootstrapping mediating effect tests were used for data analysis. Single-factor chi-square test revealed differences in BMI levels among groups defined by sex, age, residence, marital status, per capita annual household income, education years, and lifestyle choices. Binary logistic regression showed that age, residence, education years, smoking amount, and screen time influenced BMI. Stepwise regression results showed that education years, smoking amount, and screen time were associated with BMI (t = 3.907, -4.902, 7.491, P < 0.001). The lifestyle variables had partial mediating effects on BMI. The mediating effect of lifestyle on BMI was 0.009, while smoking amount was 0.003, and screen time was 0.006. Unhealthfully high BMI levels are increasing among older adults in China and are affected by many factors. Lifestyle factors and educational attainment can interact, affecting BMI. Interventions should consider lifestyle factors and education attainment to help maintain healthy BMI and reduce unhealthfully high BMI incidence.
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Affiliation(s)
- Lu Wang
- School of Management, Weifang Medical University, Weifang, China
| | - Jianxue Ren
- School of Management, Weifang Medical University, Weifang, China
| | - Junli Chen
- School of Public Health, Weifang Medical University, Weifang, China
| | - Runguo Gao
- School of Public Health, Weifang Medical University, Weifang, China
| | - Bingyu Bai
- School of Nursing, Weifang Medical University, Weifang, China
| | - Hongqing An
- School of Public Health, Weifang Medical University, Weifang, China
| | - Weiqin Cai
- School of Management, Weifang Medical University, Weifang, China,*Correspondence: Weiqin Cai
| | - Anning Ma
- School of Public Health, Weifang Medical University, Weifang, China,Anning Ma
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11
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Huangfu H, Zhang Z, Yu Q, Zhou Q, Shi P, Shen Q, Zhang Z, Chen Z, Pu C, Xu L, Hu Z, Ma A, Gong Z, Xu T, Wang P, Wang H, Hao C, Li C, Hao M. Impact of new health care reform on enabling environment for children’s health in China: An interrupted time-series study. J Glob Health 2022; 12:11002. [PMID: 35356653 PMCID: PMC8932608 DOI: 10.7189/jogh.12.11002] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background Creating an enabling environment (EE) can help foster the development and health of children. The Chinese government implemented a new health care reform (NHR) in 2009 in a move to promote an EE for health. The purpose of this study was to evaluate the impact of the NHR on EE for children’s health. Methods An interrupted time-series analysis was used to evaluate the changes in the EE before and after 2009 in China. This study analysed the EE through five quantitative indicators, including policy element coverage rate (PECR), service meeting with children’s needs rate (SMCNR), multisector participation rate (MPR), and accountability mechanism clarity rate (AMCR), based on the content analysis of available public policy documents (updated as of 2019) from 31 provinces in mainland China, and the number of health care personnel of maternity and child care centres per 10 000 population (HP per 10 000 population), based on the 2002–2019 China Health Statistical Yearbook and China Statistical Yearbook. Results The average values of PECR, SMCNR, and MPR increased rapidly to 90.96%, 82.46%, and 81.31%, respectively, in 2019, representing a higher value compared to the AMCR (7.38%). The NHR promoted the EE, in which HP per 10 000 population showed the fastest increase (β1 = 0.03, P < 0.01; β3 = 0.10, P < 0.01), followed by SMCNR (β1 = 0.94, P < 0.01; β3 = 1.83, P < 0.01), AMCR (β1 = 0.13, P < 0.01; β3 = 0.24, P = 0.14), MPR (β1 = 1.35, P < 0.01; β3 = 2.47, P < 0.01) and PECR (β1 = 1.43, P < 0.01; β3 = 1.47, P < 0.01). Conclusions The NHR has a positive impact on the EE, especially on the human resources and service provision for children. Efforts should be intensified to improve the clarity of the accountability mechanism of the health-related sectors.
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Affiliation(s)
- Huihui Huangfu
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
| | - Zhifan Zhang
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
| | - Qinwen Yu
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
| | - Qingyu Zhou
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
| | - Peiwu Shi
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Zhejiang Academy of Medical Sciences, Hangzhou, Zhejiang, China
| | - Qunhong Shen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Public Policy and Management, Tsinghua University, Beijing, China
| | - Zhaoyang Zhang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Project Supervision Center of National Health Commission of the People’s Republic of China, Beijing, China
| | - Zheng Chen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Grassroots Public Health Management Group, Public Health Management Branch of Chinese Preventive Medicine Association, Shanghai, China
| | - Chuan Pu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Lingzhong Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Public Health, Shandong University, Jinan, Shandong, China
| | - Zhi Hu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Health Service Management, Anhui Medical University, Hefei, Anhui, China
| | - Anning Ma
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Management, Weifang Medical University, Weifang, Shandong, China
| | - Zhaohui Gong
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Committee on Medicine and Health of Central Committee of China ZHI GONG PARTY, Beijing, China
| | - Tianqiang Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Institute of Inspection and Supervision, Shanghai Municipal Health Commission, Shanghai, China
| | - Panshi Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Shanghai Municipal Health Commission, Shanghai, China
| | - Hua Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Jiangsu Preventive Medicine Association, Nanjing, Jiangsu, China
| | - Chao Hao
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Changzhou Center for Disease Control and Prevention, Changzhou, Jiangsu, China
| | - Chengyue Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
| | - Mo Hao
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
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12
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Chen Y, Zhou Q, Yang X, Shi P, Shen Q, Zhang Z, Chen Z, Pu C, Xu L, Hu Z, Ma A, Gong Z, Xu T, Wang P, Wang H, Hao C, Li C, Hao M. Influence of Public Health Services on the Goal of Ending Tuberculosis: Evidence From Panel Data in China. Front Public Health 2022; 10:826800. [PMID: 35309188 PMCID: PMC8931334 DOI: 10.3389/fpubh.2022.826800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 02/11/2022] [Indexed: 11/23/2022] Open
Abstract
Background The World Health Organization has proposed an initiative to “end tuberculosis (TB).” Unfortunately, TB continues to endanger the health of people worldwide. We investigated the impact of public health services (PHS) in China on TB incidence. In this way, we provided policy ideas for preventing the TB epidemic. Methods We used the “New Public Management Theory” to develop two indicators to quantify policy documents: multisector participation (MP) and the Assessable Public Health Service Coverage Rate (ASCR). The panel data from 31 provinces in Chinese mainland were collected from 2005 to 2019 based on 1,129 policy documents and the China Statistical Yearbook. A fixed-effect model was used to determine the impact of MP and the ASCR on TB incidence. Results From 2005 to 2019, the average MP increased from 89.25 to 97.70%, and the average ASCR increased from 53.97 to 78.40% in Chinese mainland. However, the development of ASCR between regions was not balanced, and the average level in the western region was lower than that in the eastern coastal provinces. With an increase in MP and the ASCR, the TB incidence had been decreasing gradually in recent years. The panel analysis results showed that MP (β = −0.76, p < 0.05). and ASCR (β = −0.40, p < 0.01) had a negative effect on TB incidence, respectively. Even if the control variables were added, the negative effects of MP (β = −0.86, p < 0.05) and ASCR (β = −0.35, p < 0.01) were still statistically significant. Conclusions Promoting the participation of multiple departments, as well as emphasizing the quality of PHS delivery, are important ways to alleviate the TB epidemic. The settings of evaluation indices for PHS provision should be strengthened in the future.
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Affiliation(s)
- Yang Chen
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
| | - Qingyu Zhou
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
| | - Xinmei Yang
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
| | - Peiwu Shi
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Zhejiang Academy of Medical Sciences, Hangzhou, China
| | - Qunhong Shen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Public Policy and Management, Tsinghua University, Beijing, China
| | - Zhaoyang Zhang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Project Supervision Center of National Health Commission of the People's Republic of China, Beijing, China
| | - Zheng Chen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Grassroots Public Health Management Group, Public Health Management Branch of Chinese Preventive Medicine Association, Shanghai, China
| | - Chuan Pu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Public Health and Management, Chongqing Medical University, Chongqing, China
| | - Lingzhong Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Public Health, Shandong University, Jinan, China
| | - Zhi Hu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Health Service Management, Anhui Medical University, Hefei, China
| | - Anning Ma
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- School of Management, Weifang Medical University, Weifang, China
| | - Zhaohui Gong
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Committee on Medicine and Health of Central Committee of China Zhi Gong Party, Beijing, China
| | - Tianqiang Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Institute of Inspection and Supervision, Shanghai Municipal Health Commission, Shanghai, China
| | - Panshi Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Shanghai Municipal Health Commission, Shanghai, China
| | - Hua Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Jiangsu Preventive Medicine Association, Nanjing, China
| | - Chao Hao
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Changzhou Center for Disease Control and Prevention, Changzhou, China
| | - Chengyue Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
- *Correspondence: Chengyue Li
| | - Mo Hao
- Research Institute of Health Development Strategies, Fudan University, Shanghai, China
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai, China
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai, China
- Mo Hao
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13
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Richardson E, Krishnan N, Stafford F, Yeates L, Nowak N, McGaughran J, Wildschutt J, Smith J, Turner C, Kevin L, Davis A, Macciocca I, Connell V, Ma A, Semsarian C, Bagnall R, Siggs O, Skinner J, MacArthur D, Ingles J. The Elusive Hearts Study: Seeking Genetic Diagnoses in Gene-elusive Cases of Rare Monogenic Cardiovascular Diseases. Heart Lung Circ 2022. [DOI: 10.1016/j.hlc.2022.04.036] [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]
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14
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Huangfu H, Yu Q, Shi P, Shen Q, Zhang Z, Chen Z, Pu C, Xu L, Hu Z, Ma A, Gong Z, Xu T, Wang P, Wang H, Hao C, Zhou Q, Li L, Li C, Hao M. The Impacts of Regional Regulatory Policies on the Prevention and Control of Chronic Diseases in China: A Mediation Analysis. Healthcare (Basel) 2021; 9:healthcare9081058. [PMID: 34442195 PMCID: PMC8392473 DOI: 10.3390/healthcare9081058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 08/10/2021] [Accepted: 08/15/2021] [Indexed: 11/17/2022] Open
Abstract
Regional regulatory policies (RPs) are a major factor in the prevention and control of chronic diseases (PCCDs) through the implementation of various measures. This study aimed to explore the impacts of RPs on PCCDs, with a focus on the mediating roles of community service. The soundness of the regulatory mechanism (SORM) was used to measure the soundness of RPs based on 1095 policy documents (updated as of 2015). Coverage provided by community service institutions (CSIs) and community health centres (CHCs) was used to represent community service coverage derived from the China Statistical Yearbook (2015), while the number of chronic diseases (NCDs) was used to measure the effects of PCCDs based on data taken from the 2015 China Health and Retirement Longitudinal Study survey. To assess the relationship between SORM, NCDs and community service, a negative binomial regression model and mediation analysis with bootstrapping were conducted. Results revealed that there was a negative correlation between SORM and NCDs. CSIs had a major effect on the relationship between RPs and PCCDs, while CHCs had a partial mediating effect. RPs can effectively prevent and control chronic diseases. Increased effort should also be aimed at strengthening the roles of CSIs and CHCs.
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Affiliation(s)
- Huihui Huangfu
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (H.H.); (Q.Y.); (Q.Z.); (L.L.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
| | - Qinwen Yu
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (H.H.); (Q.Y.); (Q.Z.); (L.L.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
| | - Peiwu Shi
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Zhejiang Academy of Medical Sciences, Hangzhou 310012, China
| | - Qunhong Shen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Policy and Management, Tsinghua University, Beijing 100084, China
| | - Zhaoyang Zhang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Project Supervision Center of National Health Commission of the People’s Republic of China, Beijing 100044, China
| | - Zheng Chen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Grassroots Public Health Management Group, Public Health Management Branch of Chinese Preventive Medicine Association, Shanghai 201800, China
| | - Chuan Pu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Health and Management, Chongqing Medical University, Chongqing 400016, China
| | - Lingzhong Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Health, Shandong University, Jinan 250012, China
| | - Zhi Hu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Health Service Management, Anhui Medical University, Hefei 230032, China
| | - Anning Ma
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Health, Jining Medical University, Jining 272067, China
| | - Zhaohui Gong
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Committee on Medicine and Health of Central Committee of China ZHI GONG PARTY, Beijing 100011, China
| | - Tianqiang Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Institute of Inspection and Supervision, Shanghai Municipal Health Commission, Shanghai 200031, China
| | - Panshi Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Shanghai Municipal Health Commission, Shanghai 200031, China
| | - Hua Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Jiangsu Preventive Medicine Association, Nanjing 210009, China
| | - Chao Hao
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Changzhou Center for Disease Control and Prevention, Changzhou 213003, China
| | - Qingyu Zhou
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (H.H.); (Q.Y.); (Q.Z.); (L.L.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
| | - Li Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (H.H.); (Q.Y.); (Q.Z.); (L.L.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
| | - Chengyue Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (H.H.); (Q.Y.); (Q.Z.); (L.L.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Correspondence: (C.L.); (M.H.); Tel.: +86-21-33561022(C.L. & M.H.)
| | - Mo Hao
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (H.H.); (Q.Y.); (Q.Z.); (L.L.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Correspondence: (C.L.); (M.H.); Tel.: +86-21-33561022(C.L. & M.H.)
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Zhou Q, Yu Q, Wang X, Shi P, Shen Q, Zhang Z, Chen Z, Pu C, Xu L, Hu Z, Ma A, Gong Z, Xu T, Wang P, Wang H, Hao C, Li L, Gao X, Li C, Hao M. Are Essential Women's Healthcare Services Fully Covered? A Comparative Analysis of Policy Documents in Shanghai and New York City from 1978-2017. Int J Environ Res Public Health 2021; 18:4261. [PMID: 33920527 PMCID: PMC8072775 DOI: 10.3390/ijerph18084261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 04/09/2021] [Accepted: 04/10/2021] [Indexed: 11/16/2022]
Abstract
This study aimed to analyze the changes in the 10 major categories of women's healthcare services (WHSs) in Shanghai (SH) and New York City (NYC) from 1978 to 2017, and examine the relationship between these changes and maternal mortality ratio (MMR). Content analysis of available public policy documents concerning women's health was conducted. Two indicators were designed to represent the delivery of WHSs: The essential women's healthcare service coverage rate (ESCR) and the assessable essential healthcare service coverage rate (AESCR). Spearman correlation was used to analyze the relationship between the two indicators and MMR. In SH, the ESCR increased from 10% to 90%, AESCR increased from 0% to 90%, and MMR decreased from 24.0/100,000 to 1.01/100,000. In NYC, the ESCR increased from 0% to 80%, the AESCR increased from 0% to 60%, and the MMR decreased from 24.7/100,000 to 21.4/100,000. The MMR significantly decreased as both indicators increased (p < 0.01). Major advances have been made in women's healthcare in both cities, with SH having a better improvement effect. A common shortcoming for both was the lack of menopausal health service provision. The promotion of women's health still needs to receive continuous attention from governments of SH and NYC. The experiences of the two cities showed that placing WHSs among policy priorities is effective in improving service status.
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Affiliation(s)
- Qingyu Zhou
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
| | - Qinwen Yu
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
| | - Xin Wang
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
| | - Peiwu Shi
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Zhejiang Academy of Medical Sciences, Hangzhou 310012, China
| | - Qunhong Shen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Policy and Management, Tsinghua University, Beijing 100084, China
| | - Zhaoyang Zhang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Project Supervision Center of National Health Commission of the People’s Republic of China, Beijing 100044, China
| | - Zheng Chen
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Grassroots Public Health Management Group, Public Health Management Branch of Chinese Preventive Medicine Association, Shanghai 201800, China
| | - Chuan Pu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Health and Management, Chongqing Medical University, Chongqing 400016, China
| | - Lingzhong Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Public Health, Shandong University, Jinan 250012, China
| | - Zhi Hu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Health Service Management, Anhui Medical University, Hefei 230032, China
| | - Anning Ma
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- School of Management, Weifang Medical University, Weifang 261053, China
| | - Zhaohui Gong
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Committee on Medicine and Health of Central Committee of China Zhi Gong Party, Beijing 100011, China
| | - Tianqiang Xu
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Institute of Inspection and Supervision, Shanghai Municipal Health Commission, Shanghai 200031, China
| | - Panshi Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Shanghai Municipal Health Commission, Shanghai 200031, China
| | - Hua Wang
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Jiangsu Preventive Medicine Association, Nanjing 210009, China
| | - Chao Hao
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Changzhou Center for Disease Control and Prevention, Changzhou 213003, China
| | - Li Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
| | - Xiang Gao
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
| | - Chengyue Li
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
| | - Mo Hao
- Research Institute of Health Development Strategies, Fudan University, Shanghai 200032, China; (Q.Z.); (Q.Y.); (X.W.); (L.L.); (X.G.)
- Collaborative Innovation Center of Social Risks Governance in Health, Fudan University, Shanghai 200032, China; (P.S.); (Q.S.); (Z.Z.); (Z.C.); (C.P.); (L.X.); (Z.H.); (A.M.); (Z.G.); (T.X.); (P.W.); (H.W.); (C.H.)
- Department of Health Policy and Management, School of Public Health, Fudan University, Shanghai 200032, China
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Ma A, Kim J, Miller CE, Mustapich TL, Abraham JP, Downie SA, Mishall PL. Pointing in a different direction: a case of bilateral absence of extensor indicis. Folia Morphol (Warsz) 2021; 81:520-525. [PMID: 33778941 DOI: 10.5603/fm.a2021.0030] [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: 11/05/2020] [Accepted: 03/05/2021] [Indexed: 11/25/2022]
Abstract
Understanding anatomical variations, as well as, normal anatomy of the muscles and tendons of the hand is vital for successful clinical evaluation and surgery. A number of extensor muscle and tendon variations have been reported in the literature including duplication, triplication, and absence. We report a rare anatomical variation that includes bilateral absence of the extensor indicis (EI) muscles and bilateral duplication of the extensor digitorum (ED) tendon to the second digit in the forearm of an 83-year-old male cadaver during routine upper limbs dissection. In the present case, only three muscles were present in the deep compartment: extensor pollicis longus (EPL), extensor pollicis brevis (EPB), and abductor pollicis longus (APL) with bilateral absence of EI. The reported prevalence of bilateral absence of EI muscle and tendon ranges from 0.5 to 3.5% [1, 26]. The prevalence of an additional index tendon arising bilaterally from the ED muscle belly is 3.2 % of the population [1]. Extension of the index finger is governed by the actions of EI and ED. However, the four tendons of ED are linked to each other by juncturae tendinum (JT), restricting independent extension of the digits in certain postures, e.g. when the hand is fisted. With fisted hand, EI controls extension of the index finger. Clinically, EI tendons are used for tendon reconstruction procedures to restore function to the hand and thumb after trauma or tendon rupture. This report highlights the importance of anticipating anatomical variations and conducting pre-operative evaluations to confirm the presence of EI when planning tendon transfer procedures.
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Affiliation(s)
- A Ma
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - J Kim
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - C E Miller
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - T L Mustapich
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - J P Abraham
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - S A Downie
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States.,Department of Physical Medicine and Rehabilitation, Albert Einstein College of Medicine, Bronx, NY, United States
| | - P L Mishall
- Department of Anatomy and Structural Biology, Albert Einstein College of Medicine, Bronx, NY, United States. .,Department of Ophthalmology and Visual Sciences, Albert Einstein College of Medicine, Bronx, NY, United States.
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Luo L, Wang Y, Du Y, Dong C, Ma A, Wang T. MOG1 restores the expression and function of SCN5A-p.R104W through sec23a-mediated forward trafficking. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0344] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
Brugada syndrome (BrS) is an inherited disease which causes fatal arrhythmias and sudden cardiac death. Mutations in SCN5A gene, which encoding cardiac sodium channel (NaV1.5), are the most common genotype of BrS patients. Some SCN5A-related variants were reported to retain NaV1.5 in endoplasmic reticulum (ER) due to trafficking deficiency. MOG1 was previously reported to interact with NaV1.5 and increased sodium current (INa) through enhancing the trafficking. However, its molecular mechanisms are still unclear. Coat protein complex II (COPII) is responsible for the ER to Golgi transport. Sec23 forms the inner coat of COPII and participates in cargo proteins selection.
Purpose
To demonstrate that MOG1 rescues SCN5A-related variants by enhancing the forward trafficking through Sec23a-NaV1.5 interaction.
Methods
Site directed mutagenesis, immunofluorescence staining, biotinylation assay, Western blot analysis and whole-cell patch clamp recording were used. CRISPR/Cas9 was used to knock out Sec23a expression in HEK293 cells.
Results
We found that SCN5A-p.R104W was characterized as reduced NaV1.5 level and lack of INa. The variant SCN5A-p.R104W was mainly distributed in ER. MOG1 could rescue the total and surface expression of SCN5A-p.R104W but could not restore INa (Figure 1a). Considering that most patients are heterozygous, co-transfection of SCN5A-WT and SCN5A-p.R104W were obtained. We found MOG1 could increase both NaV1.5 level and INa of heterozygous expressed SCN5A-p.R104W. We further revealed an interaction between NaV1.5 and Sec23a by co-immunoprecipitation (Co-IP) assay. The interaction between NaV1.5 and Sec23a was increased by MOG1, which indicates that Sec23a participates in MOG1-mediated increase in NaV1.5 level (Figure 1b). Knockout of Sec23a reduced cell surface, but not total, NaV1.5 level (Figure 1c and 1d). Next, the Sec23a knockout HEK293 cells were co-transfected with SCN5A-p.R104W and pcDNA3 or MOG1. MOG1 could not increase SCN5A-p.R104W protein level in Sec23a knockout cells.
Conclusion
Our data demonstrated a novel mechanism that MOG1 restores the expression and function of SCN5A-p.R104W by enhancing its forward trafficking through Sec23a-NaV1.5 interaction.
Figure 1
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Natural Science Foundation of China
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Affiliation(s)
- L Luo
- First Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China
| | - Y Wang
- First Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China
| | - Y Du
- First Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China
| | - C Dong
- First Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China
| | - A Ma
- First Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China
| | - T Wang
- First Hospital of Medical College of Xi'an Jiaotong University, Xi'an, China
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Xue Y, Ma Q, Chen S, Wang X, Ma A. U-shaped association of sphingosine-1-phosphate level with mortality in chronic systolic heart failure. Eur Heart J 2020. [DOI: 10.1093/ehjci/ehaa946.0953] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Abstract
Background
The immunomodulatory molecule sphingosine-1-phosphate (S1P) has received attention in the cardiovascular field due to its significant cardioprotective effects, as revealed in animal studies. Until now, it has been unclear what is the normal range of S1P in chronic heart failure patients and whether it is related to long term prognosis.
Purpose
The purpose of our study was to identify the distribution characteristics of S1P in systolic heart failure patients and the prognostic value of S1P for long-term prognosis.
Methods
We recruited 210 chronic systolic heart failure patients from June 2014 to December 2015. Meanwhile 54 healthy people in the same area were selected as controls. Plasma S1P was measured by mass spectrometry. Patients were grouped according to the baseline S1P level quartiles, and restricted cubic spline plots described a U-shaped association between S1P and all cause death. Cox proportional hazard analysis was used to determine the relationship between category of S1P and all-cause death. Survival curves were using the Kaplan-Meier method and the log-rank test was used for comparison.
Results
Compared with the control group, the plasma S1P in chronic heart failure patients demonstrated a higher mean level (1.269 μmol/L vs 1.122 μmol/L, P=0.006) and a larger standard deviation (0.441 vs 0.316, P=0.022). After a follow-up period of 31.7±10.3 months, the second quartile (0.967–1.192μml/L) with largely normal S1P levels had the lowest all-cause mortality and either an increase (HR=3.87, 95% CI 1.504–9.960, P=0.005, adjusted HR=3.134, 95% CI 1.211–8.111, P=0.019) or a decrease (HR=3.271, 95% CI 1.277–8.381, P=0.014, adjusted HR=1.90, 95% CI 0.711–5.083, P=0.200) predicted a worse prognosis.
Conclusions
Plasma S1P levels in systolic heart failure patients are related to the long-term all-cause mortality with a U-shaped correlation. Through restoring abnormal levels to a normal range instead of simply up regulation or down regulation, S1P may have the potential to be a therapeutic target for reducing the risk of death in patients with heart failure in the future.
Funding Acknowledgement
Type of funding source: Public grant(s) – National budget only. Main funding source(s): Ministry of Science and Technology of the People's Republic of China. Ministry of Finance of the People's Republic of China.
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Affiliation(s)
- Y Xue
- First Affiliated Hospital of Xi'an Jiaotong University, Department of Cardiovascular Medicine, Xi'an, China
| | - Q Ma
- First Affiliated Hospital of Xi'an Jiaotong University, Department of Cardiovascular Medicine, Xi'an, China
| | - S Chen
- First Affiliated Hospital of Xi'an Jiaotong University, Department of Cardiovascular Medicine, Xi'an, China
| | - X Wang
- First Affiliated Hospital of Xi'an Jiaotong University, Department of Cardiovascular Medicine, Xi'an, China
| | - A Ma
- First Affiliated Hospital of Xi'an Jiaotong University, Department of Cardiovascular Medicine, Xi'an, China
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Zhou T, Wang L, Ma A, Zhang Y, Rui M. PMU26 The Health-Related Quality of Life in Different Disease Population Based on EQ-5D-5L: A Systematic Review. Value Health Reg Issues 2020. [DOI: 10.1016/j.vhri.2020.07.384] [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: 10/23/2022]
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Morita PP, Rocha AS, Shaker G, Lee D, Wei J, Fong B, Thatte A, Karimi A, Xu L, Ma A, Wong A, Boger J. Comparative Analysis of Gait Speed Estimation Using Wideband and Narrowband Radars, Thermal Camera, and Motion Tracking Suit Technologies. J Healthc Inform Res 2020; 4:215-237. [PMID: 35415448 PMCID: PMC8982681 DOI: 10.1007/s41666-020-00071-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 01/17/2020] [Accepted: 01/27/2020] [Indexed: 01/14/2023]
Abstract
AbstractResearch has shown that cognitive and physical functioning of older adults can be reflected in indicators such as walking speed. While changes in cognition, mobility, or health cause changes in gait speed, often gradual variations in walking speed go undetected until severe problems arise. Discrete clinical assessments during clinical consultations often fail to detect changes in day-to-day walking speeds and do not reflect walking speeds in everyday environments, where most of the mobility issues happen. In this paper, we compare four walking speed measurement technologies to a GAITRite mat (gold standard): (1) an ultra wideband radar (covering the band from 3.3 GHz to 10 GHz), (2) a narrow band 24-GHz radar (with a bandwidth of 250 MHz), (3) a perception Neuron Motion Tracking suit, and (4) a thermal camera. Data were collected in parallel using all sensors at the same time for 10 healthy adults for normal and slow walking paces. A comparison of the sensors indicates better performance at lower gait speeds, with offsets (when compared to GAITRite) between 0.1 and 20% for the ultra wideband radar, 1.9 and 17% for the narrowband radar, 0.1 and 38% for the thermal camera, and 1.7 and 38% for the suit. This paper supports the potential of unobtrusive radar-based sensors and thermal camera technologies for ambient autonomous gait speed monitoring for contextual, privacy-preserving monitoring of participants in the community.
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Affiliation(s)
- P. P. Morita
- School of Public Health and Health Systems, University of Waterloo, Waterloo, ON Canada
- Centre for Global eHealth Innovation, Techna Institute, University Health Network, Toronto, ON Canada
- Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, ON Canada
- Research Institute for Aging, Waterloo, ON Canada
| | - A. S. Rocha
- School of Public Health and Health Systems, University of Waterloo, Waterloo, ON Canada
- Goiano Federal Institute, Trindade, GO Brazil
| | - G. Shaker
- Research Institute for Aging, Waterloo, ON Canada
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON Canada
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON Canada
- Waterloo Artificial Intelligence Institute, Waterloo, ON Canada
| | - D. Lee
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON Canada
| | - J. Wei
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
| | - B. Fong
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON Canada
| | - A. Thatte
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
| | - A. Karimi
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
| | - L. Xu
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
| | - A. Ma
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
| | - A. Wong
- Research Institute for Aging, Waterloo, ON Canada
- Waterloo Artificial Intelligence Institute, Waterloo, ON Canada
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
| | - J. Boger
- Research Institute for Aging, Waterloo, ON Canada
- Department of Systems Design Engineering, University of Waterloo, Waterloo, ON Canada
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Hao JP, Ma A. The ratio of miR-21/miR-24 as a promising diagnostic and poor prognosis biomarker in colorectal cancer. Eur Rev Med Pharmacol Sci 2020; 22:8649-8656. [PMID: 30575905 DOI: 10.26355/eurrev_201812_16629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Optimal management of cancer treatment will be guided by sensitive and specific biomarkers. Searching for potential biomarkers is always a hot spot in cancer research, including colorectal cancer (CRC). MicroRNAs (miRNAs) have been recently proposed as biomarkers for cancers. PATIENTS AND METHODS Based on previous miRNA analysis in our hospital and data mining, we hypothesized that the ratio of miR-21/miR-24 (miR-21/24) may serve as plasma biomarkers in CRC patients. The plasma levels of miR-21 and miR-24 were analyzed from the 186 CRC patients before surgery and 97 healthy controls by qRT-PCR. Receiver operating characteristic (ROC) analysis was further used to evaluate the difference in diagnostic accuracy associated with the expression of miR-21, miR-24 and their ratio. Chi-square2-test or Fisher's exact test was performed to determine the relationship between the ratio of miR-21/24 and clinicopathological parameters. Kaplan-Meier and log-rank testing were performed to evaluate the effect of miR-21/24 ratio on the survival of colon cancer. Hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) were calculated by Cox regression models. RESULTS ROC curves revealed that the diagnostic accuracy AUC (area under the curve) in CRC tissue of miR-24, miR-21, and the ratio of miR-21/24 were 0.8971, 0.9128 and 0.9875, respectively. Notably, the ratio of miR-21/24, with the best accuracy among these miRNAs, was significantly correlated with several important prognosis factors in CRC, such as tumor size, TNM stage, lymph metastasis and histologic differentiation (all p<0.05). By Kaplan-Meier survival analysis and Cox regression analysis, the ratio of miR-21/24 was shown to be a significant survival risk factor for CRC patients. CONCLUSIONS We showed that the plasma ratio of miR-21/24 is a potentially powerful tool for detecting CRC and predicting prognosis.
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Affiliation(s)
- J-P Hao
- Department of Colorectal Surgery, the Second Hospital of Tianjin Medical University, Hexi District, Tianjin, China.
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Ma A, Wong DK, Feld J. A192 GRADE OF ACTIVITY AND FIBROSIS IS SIMILAR IN EAG- AND EAG+ IMMUNE ACTIVE HBV-INFECTED LIVER BIOPSIES. J Can Assoc Gastroenterol 2019. [DOI: 10.1093/jcag/gwz006.191] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- A Ma
- Division of Gastroenterology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - D K Wong
- Medicine, University Health Network University of Toronto, Toronto, ON, Canada
| | - J Feld
- Medicine, University Health Network University of Toronto, Toronto, ON, Canada
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de Almeida TP, van Schie MMCH, Ma A, Tieves F, Younes SHH, Fernández-Fueyo E, Arends IWCE, Riul A, Hollmann F. Efficient Aerobic Oxidation of trans
-2-Hexen-1-ol using the Aryl Alcohol Oxidase from Pleurotus eryngii. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801312] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- T. P. de Almeida
- Department of Biotechnology; Delft University of Technology, The; Netherlands
| | | | - A. Ma
- Department of Biotechnology; Delft University of Technology, The; Netherlands
| | - F. Tieves
- Department of Biotechnology; Delft University of Technology, The; Netherlands
| | - S. H. H. Younes
- Department of Biotechnology; Delft University of Technology, The; Netherlands
- Department of Chemistry, Faculty of Science; Sohag University; Sohag 82524 Egypt
| | - E. Fernández-Fueyo
- Department of Biotechnology; Delft University of Technology, The; Netherlands
| | | | - A. Riul
- Department of Applied Physics, “Gleb Wataghin” Institute of Physics (IFGW); University of Campinas (UNICAMP), SP; Brazil
| | - F. Hollmann
- Department of Biotechnology; Delft University of Technology, The; Netherlands
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Ma A, Liu LW. A304 A CASE REPORT ILLUSTRATING THE NATURAL PROGRESSION OF TYPE 3 TO TYPE 2 ACHALASIA. J Can Assoc Gastroenterol 2018. [DOI: 10.1093/jcag/gwy009.304] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- A Ma
- Gastroenterology, University of Toronto, Toronto, ON, Canada
| | - L W Liu
- Medicine, University Health Network, Toronto, ON, Canada
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Lu Q, Bai L, Liu P, Wang Y, Huo J, Yuan Z, Du X, Ma A. Cardiac Rupture Complicating Acute Myocardial Infarction in the Percutaneous Coronary Intervention Era: Clinical Features. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.583] [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: 11/30/2022]
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Powderly J, Patel M, Lee J, Brody J, Meric-Bernstam F, Hamilton E, Ponce Aix S, Garcia-Corbacho J, Bang YJ, Ahn MJ, Rha S, Kim KP, Gil Martin M, Wang H, Lazorchak A, Wyant T, Ma A, Agarwal S, Tuck D, Daud A. CA-170, a first in class oral small molecule dual inhibitor of immune checkpoints PD-L1 and VISTA, demonstrates tumor growth inhibition in pre-clinical models and promotes T cell activation in Phase 1 study. Ann Oncol 2017. [DOI: 10.1093/annonc/mdx376.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Luo L, Ning F, Du Y, Song B, Yang D, Salvage SC, Wang Y, Fraser JA, Zhang S, Ma A, Wang T. Calcium-dependent Nedd4-2 upregulation mediates degradation of the cardiac sodium channel Nav1.5: implications for heart failure. Acta Physiol (Oxf) 2017; 221:44-58. [PMID: 28296171 DOI: 10.1111/apha.12872] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 12/08/2016] [Accepted: 03/03/2017] [Indexed: 12/18/2022]
Abstract
AIM Reductions in voltage-gated sodium channel (Nav1.5) function/expression provide a slowed-conduction substrate for cardiac arrhythmias. Nedd4-2, which is activated by calcium, post-translationally modulates Nav1.5. We aim to investigate whether elevated intracellular calcium ([Ca2+ ]i ) reduces Nav1.5 through Nedd4-2 and its role in heart failure (HF). METHODS Using a combination of biochemical, electrophysiological, cellular and in vivo methods, we tested the effect and mechanism of calcium on Nedd4-2 and in turn Nav1.5. RESULTS Increased [Ca2+ ]i , following 24-h ionomycin treatment, decreased sodium current (INa ) density and Nav1.5 protein without altering its mRNA in both neonatal rat cardiomyocytes (NRCMs) and HEK 293 cells stably expressing Nav1.5. The calcium chelator BAPTA-AM restored the reduced Nav1.5 and INa in NRCMs pre-treated by ionomycin. Nav1.5 was decreased by Nedd4-2 transfection and further decreased by 6-h ionomycin treatment. These effects were not observed in cells transfected with the catalytically inactive mutant, Nedd4-2 C801S, or with Y1977A-Nav1.5 mutant containing the impaired Nedd4-2 binding motif. Furthermore, elevated [Ca2+ ]i increased Nedd4-2, the interaction between Nedd4-2 and Nav1.5, and Nav1.5 ubiquitination. Nav1.5 protein is decreased, whereas Nedd4-2 is increased in volume-overload HF rat hearts, with increased co-localization of Nav1.5 with ubiquitin or Nedd4-2 as indicated by immunofluorescence staining. BAPTA-AM rescued the reduced Nav1.5 protein, INa and increased Nedd4-2 in hypertrophied NRCMs induced by isoproterenol or angiotensin II. CONCLUSION Calcium-mediated increases in Nedd4-2 downregulate Nav1.5 by ubiquitination. Nav1.5 is downregulated and co-localizes with Nedd4-2 and ubiquitin in failing rat heart. These data suggest a role of Nedd4-2 in Nav1.5 downregulation in HF.
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Affiliation(s)
- L. Luo
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
| | - F. Ning
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
| | - Y. Du
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
| | - B. Song
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
| | - D. Yang
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
| | - S. C. Salvage
- Physiological Laboratory; University of Cambridge; Cambridge UK
| | - Y. Wang
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
| | - J. A. Fraser
- Physiological Laboratory; University of Cambridge; Cambridge UK
| | - S. Zhang
- Department of Biomedical and Molecular Sciences; Queen's University; Kingston Ontario Canada
| | - A. Ma
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
- Key Laboratory of Molecular Cardiology; Xi'an Shaanxi Province China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University); Ministry of Education; Xi'an China
| | - T. Wang
- Department of Cardiovascular Medicine; First Affiliated Hospital of Xi'an Jiaotong University; Xi'an China
- Key Laboratory of Molecular Cardiology; Xi'an Shaanxi Province China
- Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University); Ministry of Education; Xi'an China
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Muttusamy T, Ma A, Sinnerbrink I, Quinton AE, Peek MJ, Joung S. Prenatal sonographic features of cranioectodermal dysplasia. Prenat Diagn 2017; 37:628-630. [DOI: 10.1002/pd.5037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 01/10/2017] [Accepted: 03/14/2017] [Indexed: 11/12/2022]
Affiliation(s)
- T. Muttusamy
- Department of Obstetrics and Gynaecology at Nepean Hospital; New South Wales Australia
| | - A. Ma
- Department of Clinical Genetics; Nepean Hospital; New South Wales Australia
- Disciplines of Genetic Medicine, Child and Adolescent Health, Children's Hospital Westmead Clinical School; Sydney University; New South Wales Australia
| | - I. Sinnerbrink
- Department of Clinical Genetics; Nepean Hospital; New South Wales Australia
| | - A. E. Quinton
- Medical Sonography, School of Health, Medical and Applied Science; Central Queensland University; Australia
| | - M. J. Peek
- Medical School, College of Medicine, Biology and Environment; The Australian National University; Australia
| | - S. Joung
- Department of Obstetrics and Gynaecology at Nepean Hospital; New South Wales Australia
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Song L, Ma A, Dun H, Hu Y, Fujii Y, Kinugasa F, Oshima S, Higashi Y, Daloze P, Chen H. ASP2409, A Next-Generation CTLA4-Ig, Versus Belatacept in Renal Allograft Survival in Cynomolgus Monkeys. Am J Transplant 2017; 17:635-645. [PMID: 27598231 DOI: 10.1111/ajt.14039] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Revised: 08/11/2016] [Accepted: 08/30/2016] [Indexed: 01/25/2023]
Abstract
Belatacept is the first costimulatory blockade agent approved for maintenance immunosuppression in kidney transplant recipients. Clinical results have indicated that belatacept is associated with superior renal function and improved metabolic profile; however, higher incidence of acute rejection and posttransplant lymphoproliferative disorder are the shortcomings of this agent. In this study, ASP2409, a new cytotoxic T-lymphocyte associated protein 4-immunoglobulin possessing 14-fold higher in vitro CD86 binding affinity than belatacept, was tested for renal allograft survival in cynomolgus monkeys. ASP2409 monotherapy dose-dependently prolonged renal allograft survival. Low-dose ASP2409 in combination with a subtherapeutic dose of tacrolimus showed much longer median survival time than monotherapy. Similar allograft survival results were observed in regimens based on high-dose ASP2409, belatacept, and therapeutic-dose tacrolimus. The results of renal allograft histopathology with high-dose ASP2409-based regimens were not inferior to the belatacept-based regimen. Moreover, higher frequencies of FoxP3-positive regulatory T cells in renal allografts were observed in ASP2409- and belatacept-based regimens compared with tacrolimus-based regimens. No serious side effects related to ASP2409 administration were found during the study. These data suggest that ASP2409 is a promising candidate for calcineurin inhibitor-sparing or -avoidance regimens.
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Affiliation(s)
- L Song
- Department of Surgery, Research Center, CHUM, Notre-Dame Hospital, University of Montreal, Montreal, Quebec, Canada
| | - A Ma
- Department of Surgery, Research Center, CHUM, Notre-Dame Hospital, University of Montreal, Montreal, Quebec, Canada
| | - H Dun
- Department of Surgery, Research Center, CHUM, Notre-Dame Hospital, University of Montreal, Montreal, Quebec, Canada
| | - Y Hu
- Department of Surgery, Research Center, CHUM, Notre-Dame Hospital, University of Montreal, Montreal, Quebec, Canada
| | - Y Fujii
- Drug Discovery Research, Astellas Pharma Inc., Tsukuba, Japan
| | - F Kinugasa
- Drug Discovery Research, Astellas Pharma Inc., Tsukuba, Japan
| | - S Oshima
- Drug Discovery Research, Astellas Pharma Inc., Tsukuba, Japan
| | - Y Higashi
- Drug Discovery Research, Astellas Pharma Inc., Tsukuba, Japan
| | - P Daloze
- Department of Surgery, Research Center, CHUM, Notre-Dame Hospital, University of Montreal, Montreal, Quebec, Canada
| | - H Chen
- Department of Surgery, Research Center, CHUM, Notre-Dame Hospital, University of Montreal, Montreal, Quebec, Canada
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Gray C, Hildrew A, Lu X, Ma A, McElroy D, Monteith D, O’Gorman E, Shilland E, Woodward G. Recovery and Nonrecovery of Freshwater Food Webs from the Effects of Acidification. ADV ECOL RES 2016. [DOI: 10.1016/bs.aecr.2016.08.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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Studer P, da Silva CG, Revuelta Cervantes JM, Mele A, Csizmadia E, Siracuse JJ, Damrauer SM, Peterson CR, Candinas D, Stroka DM, Ma A, Bhasin M, Ferran C. Significant lethality following liver resection in A20 heterozygous knockout mice uncovers a key role for A20 in liver regeneration. Cell Death Differ 2015; 22:2068-77. [PMID: 25976305 PMCID: PMC4816110 DOI: 10.1038/cdd.2015.52] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 02/24/2015] [Accepted: 03/13/2015] [Indexed: 12/14/2022] Open
Abstract
Hepatic expression of A20, including in hepatocytes, increases in response to injury, inflammation and resection. This increase likely serves a hepatoprotective purpose. The characteristic unfettered liver inflammation and necrosis in A20 knockout mice established physiologic upregulation of A20 as integral to the anti-inflammatory and anti-apoptotic armamentarium of hepatocytes. However, the implication of physiologic upregulation of A20 in modulating hepatocytes' proliferative responses following liver resection remains controversial. To resolve the impact of A20 on hepatocyte proliferation and the liver's regenerative capacity, we examined whether decreased A20 expression, as in A20 heterozygous knockout mice, affects outcome following two-third partial hepatectomy. A20 heterozygous mice do not demonstrate a striking liver phenotype, indicating that their A20 expression levels are still sufficient to contain inflammation and cell death at baseline. However, usually benign partial hepatectomy provoked a staggering lethality (>40%) in these mice, uncovering an unsuspected phenotype. Heightened lethality in A20 heterozygous mice following partial hepatectomy resulted from impaired hepatocyte proliferation due to heightened levels of cyclin-dependent kinase inhibitor, p21, and deficient upregulation of cyclins D1, E and A, in the context of worsened liver steatosis. A20 heterozygous knockout minimally affected baseline liver transcriptome, mostly circadian rhythm genes. Nevertheless, this caused differential expression of >1000 genes post hepatectomy, hindering lipid metabolism, bile acid biosynthesis, insulin signaling and cell cycle, all critical cellular processes for liver regeneration. These results demonstrate that mere reduction of A20 levels causes worse outcome post hepatectomy than full knockout of bona fide liver pro-regenerative players such as IL-6, clearly ascertaining A20's primordial role in enabling liver regeneration. Clinical implications of these data are of utmost importance as they caution safety of extensive hepatectomy for donation or tumor in carriers of A20/TNFAIP3 single nucleotide polymorphisms alleles that decrease A20 expression or function, and prompt the development of A20-based liver pro-regenerative therapies.
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Affiliation(s)
- P Studer
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Department of Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland
| | - C G da Silva
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - J M Revuelta Cervantes
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - A Mele
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - E Csizmadia
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - J J Siracuse
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - S M Damrauer
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - C R Peterson
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - D Candinas
- Department of Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland
| | - D M Stroka
- Department of Visceral Surgery and Medicine, University Hospital Bern, Bern, Switzerland
| | - A Ma
- Division of Interdisciplinary Medicine and Biotechnology, Bioinformatics core, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - M Bhasin
- Division of Gastroenterology, Department of Medicine, University of California in San Francisco, San Fransisco, CA, USA
| | - C Ferran
- Division of Vascular Surgery, Center for Vascular biology Research and the Transplant Institute, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Dong Y, Huang J, Li G, Li L, Li W, Li X, Liu X, Liu Z, Lu Y, Ma A, Sun H, Wang H, Wen X, Xu D, Yang J, Zhang J, Zhao H, Zhou J, Zhu L, Committee Members:, Bai L, Cao K, Chen M, Chen M, Dai G, Ding W, Dong W, Fang Q, Fang W, Fu X, Gao W, Gao R, Ge J, Ge Z, Gu F, Guo Y, Han H, Hu D, Huang W, Huang L, Huang C, Huang D, Huo Y, Jin W, Ke Y, Lei H, Li X, Li Y, Li D, Li G, Li X, Li Z, Liang Y, Liao Y, Liu G, Ma A, Ma C, Ma D, Ma Y, Shen L, Sun J, Sun C, Sun Y, Tang Q, Wan Z, Wang H, Wang J, Wang S, Wang D, Wang G, Wang J, Wu Y, Wu P, Wu S, Wu X, Wu Z, Yang J, Yang T, Yang X, Yang Y, Yang Z, Ye P, Yu B, Yuan F, Zhang S, Zhang Y, Zhang R, Zhang Y, Zhang Y, Zhao S, Zhou X. Guidelines for the prevention, diagnosis, and treatment of infective endocarditis in adults: The Task Force for the Prevention, Diagnosis, and Treatment of Infective Endocarditis in Adults of Chinese Society of Cardiology of Chinese Medical Association, and of the Editorial Board of Chinese Journal of Cardiology. Eur Heart J Suppl 2015. [DOI: 10.1093/eurheartj/suv031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Ma A, Wang Y, Zhang Q. Tormentic acid reduces inflammation in BV-2 microglia by activating the liver X receptor alpha. Neuroscience 2014; 287:9-14. [PMID: 25497374 DOI: 10.1016/j.neuroscience.2014.12.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Revised: 12/03/2014] [Accepted: 12/03/2014] [Indexed: 01/18/2023]
Abstract
Tormentic acid (TA) has been reported to have anticancer, anti-inflammatory and anti-atherogenic properties. However, the effects of TA on neuroinflammation have not been reported. In this study, we investigated whether TA inhibited lipopolysaccharide (LPS)-induced inflammatory response in BV2 microglia cells. BV2 microglia cells were treated with TA for 1h before exposure to LPS. The expression of inducible nitric oxide synthase (iNOS), Cyclooxygenase-2 (COX-2), Nuclear factor κB (NF-κB) and liver X receptor alpha (LXRα) was detected by western blotting. The expression of cytokines Tumor necrosis factor-alpha (TNF-α) and interleukin 1beta (IL-1β) was detected by enzyme-linked immunosorbent assays (ELISA). Results showed that TA inhibited nitric oxide (NO), prostaglandin E2 (PGE2) production by inhibiting iNOS and COX-2 expression. TA also inhibited LPS-induced inflammatory cytokines TNF-α and IL-1β expression. Furthermore, TA could activate LXRα and inhibit LPS-induced NF-κB activation. Knowdown of LXRα reversed the anti-inflammatory effects of TA. In conclusion, our results indicate that TA exerts an anti-inflammatory effect on LPS-stimulated BV2 microglia cells by activating LXRα.
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Affiliation(s)
- A Ma
- Department of Neurology, He Bei Provincial Chest Hospital, Shi Jiazhuang 050000, China
| | - Y Wang
- Department of Nephrology, He Bei Provincial Chest Hospital, Shi Jiazhuang 050000, China
| | - Q Zhang
- Department of Neurology, He Bei Provincial Chest Hospital, Shi Jiazhuang 050000, China.
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Buckner TW, Nielsen BI, Key NS, Ma A. Factor VIII inhibitory antibody in a patient with combined factor V/factor VIII deficiency. Haemophilia 2014; 21:e77-80. [PMID: 25472918 DOI: 10.1111/hae.12557] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2014] [Indexed: 01/23/2023]
Affiliation(s)
- T W Buckner
- Harold R. Roberts Comprehensive Hemophilia and Thrombosis Center, University of North Carolina, Chapel Hill, NC, USA
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Niu H, Tian M, Ma A, Wang C, Zhang L. Differences and determinants in access to essential public health services in China: a case study with hypertension people and under-sixes as target population. Chin Med J (Engl) 2014; 127:1626-1632. [PMID: 24791865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Abstract
BACKGROUND Since 2009, health reform had launched in China and essential public health services were provided for all residents to ensure service equity and accessibility, and to achieve sustained population-wide health improvement. This study aimed to investigate the differences and determinants among populations with different characteristics access to essential public health services in China, especially hypertension people and children aged 0-6 years. METHODS A cross-sectional study with socio-demographic data analysis was undertaken to estimate distribution characteristics of receiving essential public health services of hypertension patients and children. Regular follow-ups and effective blood pressure control reflected the effective management for hypertension patients, and for children, public services provided were vaccination on schedule and regular physical check-up. Logistic regression was used to determine the predictors for effective management. RESULTS A total of 1 505 hypertension patients and 749 children were involved; 39.14% of hypertension participants could control their blood pressure in the normal range, and the rate in urban areas (43.61%) was higher than that in rural (31.88%). And 34.68% of them could receive more than 4 times follow-ups by the medical technician. Of 754 children, 79.84% could receive the periodic physical examination and 98.40% had vaccinated regularly. Children living in rural areas were more likely to have regular check-ups (83.96%) and regular vaccination (nearly 99%). Overall, geographic location and education level were the determinants of people access to essential public health services. CONCLUSIONS Implementation of the health reform since 2009 has headed China's public health system in the right direction and promoted the improvement of public health system development. Our study highlights the growing needs for more public health services in China, and China's public health system needs to be greatly improved in terms of its quality and accessibility.
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Affiliation(s)
- Hongli Niu
- School of Medicine and Health Management, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Miaomiao Tian
- Center for Policy and Health Management, Chinese Academy of Medical Sciences, Beijing 100020, China
| | - Anning Ma
- School of Public Health, Weifang Medical University, Weifang, Shandong 261053, China
| | - Chunping Wang
- School of Public Health, Weifang Medical University, Weifang, Shandong 261053, China
| | - Liang Zhang
- School of Medicine and Health Management, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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Pocoski J, Ma A, Kessler CM, Boklage S, Humphries TJ. Cardiovascular comorbidities are increased in US patients with haemophilia A: a retrospective database analysis. Haemophilia 2013; 20:472-8. [DOI: 10.1111/hae.12339] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2013] [Indexed: 01/14/2023]
Affiliation(s)
- J. Pocoski
- Global Health Economics and Outcomes Research; Bayer HealthCare; Whippany NJ USA
| | - A. Ma
- Department of Medicine, University of North Carolina at Chapel Hill; Chapel Hill NC USA
| | - C. M. Kessler
- Department of Medicine, Georgetown University Medical Center; Washington DC USA
| | - S. Boklage
- Health Economics and Outcomes Research; Otsuka America Pharmaceutical, Inc. Princeton; NJ USA
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Lim MY, Nielsen B, Ma A, Key NS. Clinical features and management of haemophilic pseudotumours: a single US centre experience over a 30-year period. Haemophilia 2013; 20:e58-62. [DOI: 10.1111/hae.12295] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/07/2013] [Indexed: 11/30/2022]
Affiliation(s)
- M. Y. Lim
- Division of Hematology/Oncology; Department of Medicine; University of Chapel Hill; Chapel Hill NC USA
| | - B. Nielsen
- UNC Hemophilia and Thrombosis Center; Chapel Hill NC USA
| | - A. Ma
- Division of Hematology/Oncology; Department of Medicine; University of Chapel Hill; Chapel Hill NC USA
- UNC Hemophilia and Thrombosis Center; Chapel Hill NC USA
| | - N. S. Key
- Division of Hematology/Oncology; Department of Medicine; University of Chapel Hill; Chapel Hill NC USA
- UNC Hemophilia and Thrombosis Center; Chapel Hill NC USA
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Nocturne G, Boudaoud S, Miceli Richard C, Viengchareun S, Lazure T, Nititham J, Taylor KE, Criswell LA, Ma A, Busato F, Melki J, Dubost JJ, Hachulla E, Gottenberg JE, Lombes M, Tost J, Mariette X. OP0023 Germinal and Somatic Genetic Variants of TNFAIP3 Promote Lymphomagenesis Process Complicating Primary Sjögren’s Syndrome. Ann Rheum Dis 2013. [DOI: 10.1136/annrheumdis-2013-eular.228] [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: 11/04/2022]
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39
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Garg A, Ahmed M, Childs E, Ma A, Gaffen S. P069 Inhibition of IL-17 receptor signal transduction. Cytokine 2012. [DOI: 10.1016/j.cyto.2012.06.155] [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: 11/24/2022]
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Teki R, Kadaksham AJ, House M, Harris-Jones J, Ma A, Babu SV, Hariprasad A, Dumas P, Jenkins R, Provine J, Richmann A, Stowers J, Meyers S, Dietze U, Kusumoto T, Yatsui T, Ohtsu M, Goodwin F. Alternative smoothing techniques to mitigate EUV substrate defectivity. ACTA ACUST UNITED AC 2012. [DOI: 10.1117/12.916497] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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41
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Ma A, Patil S, Lund G, Lund K, Shreffler W. Antigen-induced Anergy In Human Basophils Is Not Antigen Specific. J Allergy Clin Immunol 2012. [DOI: 10.1016/j.jaci.2011.12.590] [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]
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42
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Ma A. 2.036 CEREBRAL GLUCOSE METABOLISM IN PROGRESSIVE SUPRANUCLEAR PALSY. Parkinsonism Relat Disord 2012. [DOI: 10.1016/s1353-8020(11)70469-2] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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43
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Ma A, Reid J, Ness A, O'Donnell M, Yellowless D, Boyd K, Murray SA, Denvir M. Evaluation of the Palliative Care Outcome Scale (POS) in chronic heart failure patients. BMJ Support Palliat Care 2011. [DOI: 10.1136/bmjspcare-2011-000020.48] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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44
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Chen L, Zhou Z, Shen M, Ma A. Simultaneous Determination and Pharmacokinetic Study of Metformin and Rosiglitazone in Human Plasma by HPLC-ESI-MS. J Chromatogr Sci 2011; 49:94-100. [DOI: 10.1093/chrsci/49.2.94] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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45
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Ren Y, Ma A, Li J, Jiang X, Ma Y, Toda A, Hu W. Melting of polymer single crystals studied by dynamic Monte Carlo simulations. Eur Phys J E Soft Matter 2010; 33:189-202. [PMID: 20957404 DOI: 10.1140/epje/i2010-10661-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2010] [Revised: 06/30/2010] [Accepted: 09/27/2010] [Indexed: 05/30/2023]
Abstract
We report dynamic Monte Carlo simulations of lattice polymers melting from a metastable chain-folded lamellar single crystal. The single crystal was raised and then melted in an ultrathin film of polymers wetting on a solid substrate, mimicking the melting observations made by using Atomic Force Microscopy. We observed that the thickness distribution of the single crystal appears quite inhomogeneous and the thickness increases gradually from facetted edges to the center. Therefore, at low melting temperatures, melting stops at a certain crystal thickness, and melting-recrystallization occurs when allowing crystal thickening; at intermediate temperatures, melting maintains the crystal shape and exhibits different speeds in two stages; at high temperatures, fast melting makes a melting hole in the thinnest region, as well as a saw-tooth-like pattern at the crystal edges. In addition, the linear melting rates at low temperatures align on the curve extrapolated from the linear crystal growth rates. The temperature dependence of the melting rates exhibits a regime transition similar to crystal growth. Such kinetic symmetry persists in the melting rates with variable frictional barriers for c -slip diffusion in the crystal as well as with variable chain lengths. Visual inspections revealed highly frequent reversals upon melting of single chains at the wedge-shaped lateral front of the lamellar crystal. We concluded that the melting kinetics is dominated by the reverse process of intramolecular secondary crystal nucleation of polymers.
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Affiliation(s)
- Y Ren
- Department of Polymer Science and Engineering, Nanjing University, China
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Li G, Ma A, Shi W, Zhong XH. Quercetin protects hamster spermatogenic cells from oxidative damage induced by diethylstilboestrol. Andrologia 2010; 42:285-90. [DOI: 10.1111/j.1439-0272.2009.00990.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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48
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Abstract
Offshore construction and supply projects involve complex contractual arrangements regulating the relationships of operators, contractors, subcontractors and suppliers. Although every effort is made to prevent the occurrence of disputes when parties enter into contract, it is a fact of life that disputes do arise. This paper explains the role of engineers in the dispute resolution process. It highlights the features of disputes which arise out of the offshore construction and supply industry by way of inclusion of a description of: the life cycle of a typical offshore development; a typical engineering, procurement, construction, installation and commissioning project; the engineer’s involvement in the contractual process; types of frequently occurring disputes; and the role of engineers in dispute avoidance. By way of introducing the various methods of disputes resolution, including litigation, arbitration, adjudication, expert determination, mediation, the engineers’ functions in these processes are highlighted.’The paper concludes that engineers are indeed important if not crucial to every stage of an oil and gas construction project. They have every opportunity to assist in dispute avoidance by being more aware of the contractual relationship between various parties and the project procedure. They can be factual witnesses to set out the chain of events that happened, expert witnesses to assist the court or tribunal in understanding the technical issues, and they are also well placed to judge the rights and wrongs of the parties given their technical backgrounds in understanding the day-to-day running of a project.
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Affiliation(s)
- A. Ma
- Maxwell Alves Solicitors London, UK
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Drummond ND, López Ríos P, Ma A, Trail JR, Spink GG, Towler MD, Needs RJ. Erratum: “Quantum Monte Carlo study of the Ne atom and the Ne+ ion” [J. Chem. Phys. 124, 224104 (2006)]. J Chem Phys 2009. [DOI: 10.1063/1.3245405] [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: 11/14/2022] Open
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Zhang Y, Ke W, Yang J, Ma A, Yu Z. The toxic activities of Arisaema erubescens and Nerium indicum mixed with Streptomycete against snails. Environ Toxicol Pharmacol 2009; 27:283-286. [PMID: 21783953 DOI: 10.1016/j.etap.2008.11.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2008] [Revised: 11/06/2008] [Accepted: 11/12/2008] [Indexed: 05/31/2023]
Abstract
The comparative molluscicidal activities of Arisaema erubescens tuber extracts and Nerium indicum leaf extracts mixed with Streptomycete violacerruber dilution (SD) against the snail Oncomlania hupensis and the responses of the isozymes, esterase (EST) and superoxide dismutase (SOD) to the A. erubescens extracts and the mixtures were investigated. The molluscicidal activity of A. erubescens water extracts mixed with S. violacerruber dilution was 4-5 times higher than a single A. erubescens or S. violacerruber dilution after 24-h exposure, and is also higher than that of N. indicum leaf water extracts mixed with S. violacerruber dilution. At the end of exposure to the N-butanol extracts of A. erubescens tubers (NEAT), the EST activity in snail liver decreased and some enzyme bands (EST 1 and EST 3 in exposure to NEAT) disappeared but the activities of SOD 1 increased. The effect was more obvious in mixture treatment than in single NEAT or SD treatment. The results indicated that molluscicidal activities of plant and microorganism could be more effective than single plant. The decline of the detoxic ability in snail liver cells could be the reason of the snail dying.
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Affiliation(s)
- Yi Zhang
- Institute of Urban and Environment Science, Central China normal University, Wuhan 430079, PR China; School of Life Science, Hubei University, Wuhan 430062, PR China
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