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Comparative study of histopathology changes between the PS1/APP double transgenic mouse model and Aβ_(1-40)-injected rat model of Alzheimer disease 被引量:7
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作者 Da-Bing LI Jun TANG +3 位作者 xiao-tang fan Min SONG Hai-Wei XU Yun BAI 《Neuroscience Bulletin》 SCIE CAS CSCD 2006年第1期52-57,共6页
Objective To identify the genetype of the PS1/APP double transgenie mouse model, then to analyse the histopathological changes in the brain and compare the differences between the transgenie mice models and Aβ1-40-in... Objective To identify the genetype of the PS1/APP double transgenie mouse model, then to analyse the histopathological changes in the brain and compare the differences between the transgenie mice models and Aβ1-40-injeeted rats models of Alzheimer disease. Methods The modified congo red staining, Nissl's staining and immunohistology staining was used to observe the Aβ deposits, activation of astrocyte respectively. Results ①The PS1/APP transgenic mouse extensively displayed Aβ deposits in the cortex and hippocampal structures, and GFAP positive cells were aggregated in mass and surrounded the congo red-positive plaque. ②The Aβ1-40-intrahippocmnpal-injeeted rat model showed the Aβ plaque deposits in the dentate gyrus of the hippocampus, with the astrocyte surrounded. The neurons loss was significant in the injection point and pin hole of injection with Nissl's staining methods. GFAP-positive cells increased significantly compared with the uninjected lateral of the hippocampus. Conclusion Although Aβ1-40-injected rat models could simulate some characteristic pathological features of human Alzheimer diseases, Aβ deposits and neurons loss in partial hippocampal, it would not simulate the progressive degenenration in the brain of AD. The double transgenie PS1/APP mice could simulate the specific pathogenesis and progressive changes of AD, mainly is Aβ deposits and the spongiocyte response , while no neurons loss were observed in this model. 展开更多
关键词 Alzheimer disease transgenic mouse RAT Β-AMYLOID
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Clinical Characteristics in Patients with Liver Cirrhosis Induced by HBV Infection and Combined with Mild Alcohol Intake
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作者 Ha-lida Xiaerfuhazi Hai-lin Ma +3 位作者 Xiu-jiang Shi xiao-tang fan Xi-ernayi Abuduheilili fang-ping He 《国际感染病学(电子版)》 CAS 2014年第3期97-102,共6页
Objective To investigate the differences of clinical and biochemical characteristics between patients with liver cirrhosis induced by HBV infection combined with and without mild alcohol intake.Methods Data of patient... Objective To investigate the differences of clinical and biochemical characteristics between patients with liver cirrhosis induced by HBV infection combined with and without mild alcohol intake.Methods Data of patients with liver cirrhosis who were hospitalized in the First Hospital Affiliated to Xinjiang Medical University were retrospectively analyzed. Patients were divided into three groups: patients with liver cirrhosis induced by HBV infection and combined with mild alcohol intake, patients with HBV-related cirrhosis, and patients with alcohol-related cirrhosis. Biochemical detections including liver function, fasting lipid profiles, lipoprotein, kidney function, glucose, uric acid and regular blood tests were carried out and results were compared among three groups. Data were analyzed through STATA software and co-variant analysis. Results Total of 2 350 patients with liver cirrhosis were included, 732 patients had cirrhosis induced by HBV infection combined with mild alcohol intake, 1 316 patients had HBV-related liver cirrhosis, 302 patients had alcohol-related cirrhosis. The highest mean level of white cell count, mean corpuscular volume, γ-glutamyltranspeptidase and uric acid were observed in HBV infection combined with mild alcohol intake group. Multivariate regression analysis revealed that HBV infection, excessive alcohol intake, male and age were risk factors for hepatocellular carcinoma(HCC) in patients with liver cirrhosis. Conclusions HBV infection combined with mild alcoholic-related liver cirrhosis group showed the highest oxidative stress compared with alcoholic liver cirrhosis group, which suggested that mild alcohol intake may increase the incidence of liver cirrhosis in HBV infected patients and may not increase the incidence of HCC. 展开更多
关键词 Liver cirrhosis Oxidative stress Hepatitis B virus Mild alcohol Biochemical characteristics
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