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葡萄糖转运蛋白GLUT4表达的调节机制 被引量:14
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作者 张楠 赵颖 《中国生物化学与分子生物学报》 CAS CSCD 北大核心 2016年第3期237-244,共8页
胰岛素反应性的葡萄糖转运蛋白4(glucose transporter 4,GLUT4)在葡萄糖的摄取和代谢过程中发挥着重要作用。GLUT4蛋白表达水平直接影响机体葡萄糖的利用。肌细胞增强因子2(myocyte enhancer factor 2,MEF2)、过氧化物酶体增殖物激活受... 胰岛素反应性的葡萄糖转运蛋白4(glucose transporter 4,GLUT4)在葡萄糖的摄取和代谢过程中发挥着重要作用。GLUT4蛋白表达水平直接影响机体葡萄糖的利用。肌细胞增强因子2(myocyte enhancer factor 2,MEF2)、过氧化物酶体增殖物激活受体(peroxisome proliferator activated receptors,PPARs)、CCAAT增强子结合蛋白α(CCAAT enhancer binding protein-α,C/EBP-α)、固醇类反应元件结合蛋白1c(sterol response element binding protein-1c,SREBP-1c)等转录因子可以上调或下调Glut4基因转录。激素、代谢以及一些病理状态可以通过改变转录因子的量或活性影响Glut4。本文综述了在Glut4基因表达中发挥作用的转录因子,以及在特定的生理或病生理状态下Glut4基因表达调控的机制。 展开更多
关键词 葡萄糖转运蛋白4 转录调控 激素 代谢 病生理状态
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Intestinal mucosal atrophy and adaptation 被引量:4
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作者 Darcy Shaw Kartik Gohil Marc D Basson 《World Journal of Gastroenterology》 SCIE CAS CSCD 2012年第44期6357-6375,共19页
Mucosal adaptation is an essential process in gut ho- meostasis. The intestinal mucosa adapts to a range of pathological conditions including starvation, short-gut syndrome, obesity, and bariatric surgery. Broadly, th... Mucosal adaptation is an essential process in gut ho- meostasis. The intestinal mucosa adapts to a range of pathological conditions including starvation, short-gut syndrome, obesity, and bariatric surgery. Broadly, these adaptive functions can be grouped into proliferation and differentiation. These are influenced by diverse interactions with hormonal, immune, dietary, nervous, and mechanical stimuli. It seems likely that clinical out- comes can be improved by manipulating the physiol- ogy of adaptation. This review will summarize current understanding of the basic science surrounding adapta- tion, delineate the wide range of potential targets for therapeutic intervention, and discuss how these might be incorporated into an overall treatment plan. Deeper insight into the physiologic basis of adaptation will identify further targets for intervention to improve clini- cal outcomes. 展开更多
关键词 ADAPTATION Intestine mucosa Mucosal dif-ferentiation Short bowel syndrome
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Epidemiology of pulmonary hypertension in the elderly
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作者 Cihan Orem 《Journal of Geriatric Cardiology》 SCIE CAS CSCD 2017年第1期11-16,共6页
1 Introduction Pulmonary hypertension (PH) is a haemodynamic and pathophysiological condition defined as increase in mean pulmonary arterial pressure≥ 25 mmHg at rest as assessed by right heart catheterization (... 1 Introduction Pulmonary hypertension (PH) is a haemodynamic and pathophysiological condition defined as increase in mean pulmonary arterial pressure≥ 25 mmHg at rest as assessed by right heart catheterization (RHC). 展开更多
关键词 EPIDEMIOLOGY Pulmonary hypertension The elderly
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