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Endoplasmic reticulum stress and autophagy in cerebral ischemia/reperfusion injury:PERK as a potential target for intervention

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Neural Regeneration Research 2025年第5期20卷 1455-1466页

作者： Ju Zheng Yixin Li Ting Zhang Yanlin Fu Peiyan Long Xiao Gao Zhengwei Wang Zhizhong Guan Xiaolan Qi Wei Hong Yan Xiao Key Laboratory of Endemic and Ethnic diseases Ministry of Education&Key Laboratory of Medical Molecular Biology of Guizhou ProvinceGuizhou Medical UniversityGuiyangGuizhou ProvinceChina Guizhou Center for disease control and Prevention GuiyangGuizhou ProvinceChina department of Histology and Embryology Guizhou Medical UniversityGuiyangGuizhou ProvinceChina Collaborative Innovation Center for Prevention and control of Endemic and Ethnic Regional diseases Co-constructed by the Province and Ministry GuiyangGuizhou ProvinceChina

Several studies have shown that activation of unfolded protein response and endoplasmic reticulum(ER)stress plays a crucial role in severe cerebral ischemia/reperfusion *** occurs within hours after cerebral ischemia,but the relationship between ER stress and autophagy remains *** this study,we established experimental models using oxygen-glucose deprivation/reoxygenation in PC12 cells and primary neurons to simulate cerebral ischemia/reperfusion *** found that prolongation of oxygen-glucose deprivation activated the ER stress pathway protein kinase-like endoplasmic reticulum kinase(PERK)/eukaryotic translation initiation factor 2 subunit alpha(e IF2α)-activating transcription factor 4(ATF4)-C/EBP homologous protein(CHOP),increased neuronal apoptosis,and induced ***,inhibition of ER stress using inhibitors or by si RNA knockdown of the PERK gene significantly attenuated excessive autophagy and neuronal apoptosis,indicating an interaction between autophagy and ER stress and suggesting PERK as an essential target for regulating *** autophagy with chloroquine exacerbated ER stress-induced apoptosis,indicating that normal levels of autophagy play a protective role in neuronal injury following cerebral ischemia/reperfusion *** from this study indicate that cerebral ischemia/reperfusion injury can trigger neuronal ER stress and promote autophagy,and suggest that PERK is a possible target for inhibiting excessive autophagy in cerebral ischemia/reperfusion injury.

关键词： apoptosis ATF4 autophagy C/EBP homologous protein cerebral ischemia/reperfusion injury eIF2α endoplasmic reticulum stress PERK

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Development and Validation of a Model for Predicting Diabetic Nephropathy in Chinese People

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Biomedical and Environmental Sciences 2017年第2期30卷 106-112页

作者： MIAO Dan Dan PAN En Chun ZHANG Qin SUN Zhong Ming QIN Yu WU Ming department of Chronic disease Prevention and control Huai’an City Center for Disease Control and Prevention department of Chronic disease Prevention and control Jiangsu Provincial Center for Disease Control and Prevention

Objective To develop a risk model for predicting later development of diabetic nephropathy （DN） in Chinese people with type 2 diabetes mellitus （T2DM） and evaluate its performance with independent validation. Methods We used data collected from the project ＇Comprehensive Research on the Prevention and control of Diabetes＇, which was a community-based study conducted by the Jiangsu Center for disease control and Prevention in 2013. A total of 11,771 eligible participants were included in our study. The endpoint was a clear diagnosis of DN. Data was divided into two components： a training set for model development and a test set for validation. The Cox proportional hazard regression was used for survival analysis in men and women. The model＇s performance was evaluated by discrimination and calibration. Results The incidence （cases per 10,000 person-years） of DN was 9.95 （95% CI; 8.66-11.43） in women and 11.28 （95% CI; 9.77-13.03） in men. Factors including diagnosis age, location, body mass index, high-density-lipoprotein cholesterol, creatinine, hypertension, dyslipidemia, retinopathy, diet control, and physical activity were significant in the final model. The model showed high discrimination and good calibration. Conclusion The risk model for predicting DN in people with T2DM can be used in clinical practice for improving the quality of risk management and intervention.

关键词： Type 2 diabetes mellitus Diabetic nephropathy Risk factors Model development andvalidation

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Prevalence of Thyroid Nodules and Its Relationship with Iodine Status in Shanghai:a Population-based Study

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Biomedical and Environmental Sciences 2016年第6期29卷 398-407页

作者： SONG Jun ZOU Shu Rong GUO Chang Yi ZANG Jia Jie ZHU Zhen Ni MI Ming HUANG Cui Hua YU Hui Ting LU Xi RUAN Ye WU Fan department of Nutrition Hygiene Shanghai Municipal Center for Disease Control and Prevention department of Food Hygiene & Food-Borne disease control Shanghai Municipal Center for Disease Control and Prevention department of Health Statistics Shanghai Municipal Center for Disease Control and Prevention department of School Health Shanghai Municipal Center for Disease Control and Prevention department of Diabetes Mellitus control and Prevention Shanghai Municipal Center for Disease Control and Prevention

Objective This study was designed to evaluate the prevalence of thyroid nodules（TNs） and its relationship with urine iodine concentrations（UICs） after the regional rapid economic growth and lifestyle changes. Methods A cross-sectional survey was conducted in the general population aged 15-69 years. A questionnaire regarding general and personal characteristics and relevant information was administered. Ultrasonography of the thyroid was performed, and serum triiodothyronine（T3）, tetraiodothyronine（T4）, serum thyroid stimulating hormone（TSH）, free triiodothyronine（FT3）, free tetraiodothyronine（FT4）, thyroglobulin antibody（Tg Ab）, thyroid peroxidase antibody（TPOAb）, and TSH receptor antibody（TRAb） levels were measured for each individual subject. Results The prevalence rates of TNs in the whole population, females and males were 27.76%, 34.04%, and 21.60%, respectively. The prevalence of multiple nodules increased with age, whereas the prevalence peaks differed between males and females. The median UICs in the whole population and females with non-TNs were higher than those of subjects with TNs（P=0.0035, P=0.0068）. The median UICs in subjects with a single TN were higher than those in subjects with multiple TNs（P=0.0164, P=0.0127）. The result showed a U-shaped curve relationship between UIC and prevalence of TNs. The prevalence of TNs was the lowest when the UIC was 140-400 μg/L. Conclusion The prevalence of TNs was nearly 30% and increased with age. The relationship between UIC and prevalence of TNs is U-shaped, with an increase in risk when the UIC was 〈140 μg/L and 〉400 μg/L. Very low or high UIC levels need attention and correction.

关键词： Thyroid Nodules Prevalence Urine iodine Epidemiology

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Optimization of Pulse-Field Gel Electrophoresis for Borrelia burgdorferi Subtyping

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Biomedical and Environmental Sciences 2013年第7期26卷 584-591页

作者： GENG Zhen HOU Xue Xia HAO Qin ZHOU Hai Jian WANG Feng WAN Kang Lin State Key Laboratory for Communicable disease Prevention and control National Institute for Communicable Disease Control and Prevention Chinese Center for Disease Control and Prevention department of Infectious disease The First Hospital Jilin University

Objective To optimize the performance of Pulsed-Field Gel Electrophoresis （PFGE） for the comparison of inter-laboratory results and information exchange of Borrelia burgdorferi subtypingo Methods A panel of 34 strains of B. burgdorferi were used to optimize PFGE for subtyping. In order to optimize the electrophoretic parameters （EPs）, all 34 strains of B. burgdorferi were analyzed using four EPs, yielding different Simpson diversity index （D） values and the epidemiological concordance was also evaluated. Results The EP of a switch time of l s to 25 s for13 h and l s to10 s for 6 h produced the highest D value and was declared to be optimal for Mlul and 5mal PFGE of B. burgdorferi. Mlul and Smal were selected as the first and second restriction enzymes for PFGE subtyping of B. burgdorferi according to discrimination and consistency with epidemiological data. Conclusion PFGE can be used as a valuable test for routine genospecies identification of B burgdorferi.

关键词： Molecular subtyping Pulse-Field Gel Electrophoresis Borrelia burgdor^eri

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A lead role for a“secondary”axonal injury response

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Neural Regeneration Research 2025年第2期20卷 469-470页

作者： Melissa A.Rudy Trent A.Watkins Division of Neuroimmunology and Glial Biology Department of NeurologyUniversity of California at San FranciscoSan FranciscoCAUSA Development Disease Modelsand Therapeutics Graduate ProgramBaylor College of MedicineHoustonTXUSA

Stress signaling following axon injury stimulates a transcriptional program for regeneration that might be exploited to promote central nervous system ***,this stress response drives neuronal apoptosis in non-regenerative *** duality presents a quandary for the development of therapeutic interventions:manipulating stress signaling to enhance recovery of damaged neurons risks accelerating neurodegeneration or restricting regenerative *** dichotomy is well illustrated by the fates of retinal ganglion cells(RGCs)following optic nerve *** this central nervous system injury model,disruption of a stress-activated MAP kinase(MAPK)cascade blocks the extensive apoptosis of RGCs that occurs in wild-type mice(Watkins et al.,2013;Welsbie et al.,2017).

关键词： injury axonal stress

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The Current Status and Challenges Regarding Tuberculosis Infection control in Health Care Facilities in China

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Biomedical and Environmental Sciences 2015年第11期28卷 848-854页

作者： ZHAO Fei CHENG Jun CHENG Shi Ming ZHANG Hui ZHAO Yan Lin ZHANG Can You HU Dong Mei FAN Hai Ying HUANG Fei QU Yan HE Guang Xue WANG Li Xia National Center for Tuberculosis control and Prevention Chinese Center for Disease Control and Prevention Science and Technology department Chinese Center for Disease Control and Prevention

Health care facilities are a high-risk environment for generating and spreading respiratory infectious diseases such as tuberculosis （TB）. The TB prevention and treatment staff in health care facilities are responsi... 详细信息

关键词： TB The Current Status and Challenges Regarding Tuberculosis Infection control in Health Care Facilities in China

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The frst avian infuenza A (H7N9) viral infection in humans in Zhejiang Province, China: a death report

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Frontiers of Medicine 2013年第3期7卷 333-344页

作者： Enfu Chen Fenjuan Wang Huakun Lv Yanjun Zhang Hua Ding Shelan Liu Jian Cai Li Xie Xiaoping Xu Chengliang Chai Haiyan Mao Jimin Sun Junfen Lin Zhao Yu Lianhong Li Zhiping Chen Shichang Xia department of Infectious diseases Zhejiang Center for Disease Control and Prevention department of Infectious diseases Xiaoshan District Center for Disease Control and Prevention department of Infectious diseases Hangzhou Center for Disease Control and Prevention department of Infectious diseases Jiande Center for Disease Control and Prevention

This study reports the frst death caused by a novel avian infuenza A(H7N9)virus in Zhejiang Province,*** patient had chronic hepatitis B and history of exposure to *** patient initially complained of diarrhea and infuenza-like symptoms on March 7 and 14 *** disease progressed to severe pneumonia,sustained hypoxia,and coagulation *** patient died on March 27 because of respiratory failure,multiple organ failure,and disseminated intravascular coagulation without oseltamivir *** H7N9 virus from Zhejiang is highly similar to isolates obtained from Shanghai,Jiangsu,Anhui,*** of hemagglutinin,neuramidinase,and matrix genes indicated that the isolates share the same avian origin,have low virulence,and are sensitive to oseltamivir,but are resistant to *** the isolate that caused the fatality exhibited substitution of Q226I in the HA gene,which indicates a potentially enhanced human *** secondary transmission rate was 1.6%(2/125).Only two health workers presented with infuenza-like symptoms,and they subsequently tested negative for H7N9 *** conclusion,underlying disease,late diagnosis,and untimely antiviral treatment are possible high-risk factors for infections and death caused by the lowpathogenicity avian infuenza A(H7N9).Person-to-person transmission of the H7N9 virus was not detected among close contacts,but such transmission should be investigated in the *** and enhancing surveillance will help in the early discovery and diagnosis of suspected cases,which will reduce the number of severe cases and deaths.

关键词： avian influenza A (H7N9) virus epidemiology contacts person-to-person transmission

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Willingness to pay for colorectal cancer screening in Guangzhou

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World Journal of Gastroenterology 2018年第41期24卷 4708-4715页

作者： Qin Zhou Yan Li Hua-Zhang Liu Ying-Ru Liang Guo-Zhen Lin department of Non-communicable Chronic disease control and Prevention Guangzhou Center for Disease Control and Prevention

AIM To measure the willingness to pay for colorectal cancer screening in Guangzhou, and to identify those factors associated with it. METHODS A face-to-face questionnaire survey for pre-screening population from free and non-free colonoscopy districts was used to collect information on demographic characteristics, health behaviours, the intention of the cancer screenings and willingness to pay for colorectal cancer screening. A total of 1243 participants who took part in the pre-screening for colorectal cancer in Guangzhou were collected in the study. Categorical data were compared using the χ~2 test to analyse significant differences. Non-conditional logistic regression and multi-class logistic regression were also performed for multivariate analysis and to estimate the odds *** The percentage of participants willing to pay for colorectal cancer screening was 91.7%. "Unnecessary" was the dominant reason that participants gave for their unwillingness, accounting for 63.1%. Of those who were willing to pay, 29.2%, 20.7%, 14.8%, 13.0% and 22.4% of participants were willing to pay less than $100, $100-$199, $200-299, $300-$399 and more than $400, respectively. Non-logistic regression analysis showed that respondents who were male, had a high level of education, were from the family with more children/older to raise, and accepted colorectal cancer screening were willing to pay for this screening. Multi-class logistic regression analysis showed that respondents with higher annual household income per capita, from government and private enterprises, government agency/institution and peasants, and less family medical expenditure were willing to pay *** Willingness to pay for colorectal cancer screening in Guangzhou is high, but the amount of willing to pay is not much.

关键词： Colorectal cancer Screening Willingness to pay Guangzhou Factor

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Incidence,mortality and survival of female breast cancer during 2003-2011 in Jiangsu province,China

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Chinese Journal of Cancer Research 2016年第3期28卷 321-329页

作者： Xinran Yan Renqiang Han Jinyi Zhou Hao Yu Jie Yang Ming Wu department of Epidemiology and Medical Statistics School of Public HealthSoutheast University department of Chronic disease control Jiangsu Provincial Center for Disease Control and Prevention

Objective： To assess the incidence, mortality and survival status of female breast cancer in Jiangsu province of China. Methods： Population-based cancer registry data in Jiangsu province were collected during 2003-2011. Crude rates, age-specific rates, age-standardized rates and annual percent changes of incidence and mortality were calculated to describe the epidemiologic characteristics and time trends. Patients diagnosed from 2003 to 2005 were chosen for analyzing the survival status of breast cancer. Results： From 2003 to 2011, 17,605 females were diagnosed with breast cancer and 4,883 died in selected registry areas in Jiangsu province. The crude incidence rate was 25.18/100,000, and the age-standardized rates by Chinese population （ASRC） and by world population （ASRW） were 19.03/100,000 and 17.92/100,000, respectively. During the same period, the crude mortality rate was 6.98/100,000 and the ASRC and ASRW were 4.93/100,000 and 4.80/100,000, respectively. From 2003 to 2011, the incidence and mortality increased with annual percent change of 11.37% and 5.78%, respectively. For survival analysis, 1,392 patients in 7 areas were identified in 2003-2005 and finished 5 years of follow-up. Survival rates were found to decrease with survival years, the 5-year observed survival rate was 45.9% and the relative survival rate was 52.0%. We also found that the survival rate varied across the province, which was lower in the north and higher in the south of Jiangsu province. Conclusions： Breast cancer has become a significant public health problem in Jiangsu province and China. More resources should be invested in primary prevention, earlier diagnosis and better health services in order to increase survival rates among Chinese females.

关键词： Breast cancer incidence mortality observed survival relative survival Jiangsu province

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Pedestrian Injuries and the Relevant Burden in Shanghai, China: Implications for control

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Biomedical and Environmental Sciences 2015年第2期28卷 127-135页

作者： LI Yan Hong WANG Chun Fang SONG Gui Xiang PENG Juan Juan ZHOU De Ding SU Hui Jia GAO Ning YU Yan ZHONG Wei Jian ZHANG Hong Wei department of Injury Prevention and control Shanghai Municipal Center for Disease Control & Prevention department of Vital Statistics Shanghai Municipal Center for Disease Control &Prevention department of Epidemiology Second Military Medical University

Objective To study the associations of pedestrian injuries with age, income and educational level in Shanghai and to analyze the relative disease burden. Methods Information on pedestrian-related cases and deaths were collected from 494 hospitals and mortality registry systems from 1992 to 2010, and a multistage cluster sampling survey conducted in 2006. Logistic regression model was used in the analyses. Results The age group of 5-9 had the highest mortality and morbidity among children. Mortality increased obviously among those aged 60 or above. Individuals with an educational level under the primary school and with the lower family average income were more likely to suffer pedestrian-related injuries. Multivariate Logistic analysis demonstrated that lower income and lower educational level increased the risk of pedestrian injuries with the odds ratio of 1.40 （95% Cl： 1.15-1.71） and 1.70 （95% Cl： 1.20-2-40）, respectively. About 13.54% of the share of GDP for the healthcare, social security and welfare industries in Shanghai was occupied by the burden of pedestrian-related injuries in 2006. Conclusion Pedestrian-related injury has inverse association with victims＇ income and educational level. Children of 5-9 years old and adults over 60 with lower educational level and lower monthly income are the target persons to be intervened.

关键词： Pedestrian Injury Mortality Education Costs

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