脾臟通過上調(diào)肝PTEN/Akt通路延緩大鼠NAFLD進(jìn)展
發(fā)布時(shí)間:2021-04-19 08:18
[背景]脾臟是機(jī)體最大的外周免疫器官,脾臟在機(jī)體免疫、抗感染、血液濾過等方面起著重要的作用,從脾切除術(shù)后兇險(xiǎn)性感染的發(fā)現(xiàn)開始,脾臟越來越得到人們的重視,脾臟對機(jī)體其他方面的重要作用也漸漸被發(fā)現(xiàn)。研究顯示脾臟在機(jī)體脂質(zhì)代謝中起著重要作用,脾臟可以降低血脂水平,脾切除術(shù)后血脂水平升高。酒精性脂肪性肝。∟AFLD)以肝細(xì)胞脂質(zhì)蓄積為主要特征,包括簡單肝細(xì)胞脂肪變性、非酒精性脂肪性肝炎(NASH)以及其發(fā)展到嚴(yán)重階段的肝硬化甚至肝癌發(fā)生等一系列肝臟疾病表現(xiàn)。流行病學(xué)顯示NAFLD在全球,尤其是發(fā)達(dá)國家的患病率越來越高,已成為嚴(yán)重危害人類健康的殺手。脾臟跟肝臟解剖學(xué)上相鄰,脾臟在許多肝臟疾病的發(fā)生發(fā)展中扮演著重要的角色,脾臟分泌的生物活性物質(zhì)可通過門靜脈血流進(jìn)入肝臟,影響肝臟疾病的進(jìn)展與預(yù)后,比如脾源性的TGF-beta在脾臟促進(jìn)肝纖維化發(fā)展過程中起著重要作用。研究顯示,非酒精性脂肪性肝病的大鼠模型中行脾臟切除的大鼠肝臟脂肪變、肝組織甘油三酯及一些不飽和脂肪酸含量明顯高于假手術(shù)組。這說明,在NAFLD的發(fā)生發(fā)展過程中,脾臟起到了減緩進(jìn)展的作用,切除脾臟后NAFLD進(jìn)展加快。但其作用機(jī)制還不清楚...
【文章來源】:南方醫(yī)科大學(xué)廣東省
【文章頁數(shù)】:72 頁
【學(xué)位級別】:碩士
【部分圖文】:
圖3-5-1?PTEN基因及Akt、pAkt檢測結(jié)果??
3.4血脂水平檢測結(jié)果??血脂水平是脂質(zhì)代謝素亂的特點(diǎn)之一,本實(shí)驗(yàn)采用全自動化學(xué)分析儀檢測??各姐血脂水平,結(jié)果見直方圖3-4-1.統(tǒng)計(jì)結(jié)果顯示,D姐與C組血TC、TG、??LDL、VLDL濃度明顯高于B組與A組;B姐巧A組比較,血清TC、LDL、??VLDL濃度由顯著差異(B>A),而D組與C組比較,血清TC、LDL濃度有明??顯差異。見圖3-4-2.??巧rum?LDL(mg/dL)?巧化m?T(3(mg/dL)?巧rum?HDMmgWL}??"1?t*?,"1?"It?t?。Sham??"^?t??J?pL?了?因?spx??40.?-k?jL?1?放.?二?20-?rn??T?ft?n;??20-?助.?''?10-??山u?I?i,y?〇i?i.i......?y:j?j?I?I?i,u??今?參?麥?姜?參?奪*??serum?TC(mg/dL)?serum?VLDL(mg/dL)??1S〇1?40-1?苦??#*??■?*??A?円;:-?A?h?I?I??M.円,?'?A?'鑛??」I?IM?II?bJ?,11?II'!?I?IM??
【參考文獻(xiàn)】:
期刊論文
[1]Expression of PTEN,PPM1A and P-Smad2 in hepatocellular carcinomas and adjacent liver tissues[J]. Shu-Kun Wu, Bao-Ju Wang, Xi-Ping Zhao, Dong-Liang Yang, Division of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China Yan Yang, Dong-Liang Yang, Center of Experimental Medicine Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China Xin-Hua Feng, Department of Molecular and Cellular Biology, Baylor College of Medicine Houston, TX 77030, United States Shu-Kun Wu, Department of infectious Disease, Hubei Province Corps Hospital, The Chinese People’s Armed Police Forces, Wuhan 430061, Hubei Province, China. World Journal of Gastroenterology. 2007(34)
[2]Cyclooxygenases in hepatocellular carcinoma[J]. Melchiorre Cervello,Giuseppe Montalto. World Journal of Gastroenterology. 2006(32)
本文編號:3147191
【文章來源】:南方醫(yī)科大學(xué)廣東省
【文章頁數(shù)】:72 頁
【學(xué)位級別】:碩士
【部分圖文】:
圖3-5-1?PTEN基因及Akt、pAkt檢測結(jié)果??
3.4血脂水平檢測結(jié)果??血脂水平是脂質(zhì)代謝素亂的特點(diǎn)之一,本實(shí)驗(yàn)采用全自動化學(xué)分析儀檢測??各姐血脂水平,結(jié)果見直方圖3-4-1.統(tǒng)計(jì)結(jié)果顯示,D姐與C組血TC、TG、??LDL、VLDL濃度明顯高于B組與A組;B姐巧A組比較,血清TC、LDL、??VLDL濃度由顯著差異(B>A),而D組與C組比較,血清TC、LDL濃度有明??顯差異。見圖3-4-2.??巧rum?LDL(mg/dL)?巧化m?T(3(mg/dL)?巧rum?HDMmgWL}??"1?t*?,"1?"It?t?。Sham??"^?t??J?pL?了?因?spx??40.?-k?jL?1?放.?二?20-?rn??T?ft?n;??20-?助.?''?10-??山u?I?i,y?〇i?i.i......?y:j?j?I?I?i,u??今?參?麥?姜?參?奪*??serum?TC(mg/dL)?serum?VLDL(mg/dL)??1S〇1?40-1?苦??#*??■?*??A?円;:-?A?h?I?I??M.円,?'?A?'鑛??」I?IM?II?bJ?,11?II'!?I?IM??
【參考文獻(xiàn)】:
期刊論文
[1]Expression of PTEN,PPM1A and P-Smad2 in hepatocellular carcinomas and adjacent liver tissues[J]. Shu-Kun Wu, Bao-Ju Wang, Xi-Ping Zhao, Dong-Liang Yang, Division of Clinical Immunology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China Yan Yang, Dong-Liang Yang, Center of Experimental Medicine Research, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China Xin-Hua Feng, Department of Molecular and Cellular Biology, Baylor College of Medicine Houston, TX 77030, United States Shu-Kun Wu, Department of infectious Disease, Hubei Province Corps Hospital, The Chinese People’s Armed Police Forces, Wuhan 430061, Hubei Province, China. World Journal of Gastroenterology. 2007(34)
[2]Cyclooxygenases in hepatocellular carcinoma[J]. Melchiorre Cervello,Giuseppe Montalto. World Journal of Gastroenterology. 2006(32)
本文編號:3147191
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