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The role of the small intestine in modulating metabolism and inflammation in atherosclerosis and cancer

机译:小肠在调节动脉粥样硬化和癌症中的代谢和炎症中的作用

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Purpose of review To discuss recent findings on the importance of the small intestine in modulating metabolism and inflammation in atherosclerosis and cancer. Recent findings Integrin beta7+ natural gut intraepithelial T cells modulated metabolism and accelerated atherosclerosis in mice. Reducing the generation of lysophospholipids in the small intestine mimicked bariatric surgery and improved diabetes. Enterocyte-specific knockdown of stearoyl-CoA desaturase-1 significantly improved dyslipidemia in LDL receptor null [ldlr/] mice fed a Western diet. Adding a concentrate of tomatoes transgenic for the apolipoprotein A-l mimetic peptide 6F to the chow of wild-type mice altered lipid metabolism in the small intestine, preserved Notch signaling and reduced tumor burden in mouse models. The phospholipid-remodeling enzyme Lpcat3 regulated intestinal stem cells and progenitor cells by stimulating cholesterol biosynthesis; increasing cholesterol in the diet or through genetic manipulation promoted tumorigenesis in Apcmin+ mice.
机译:审查目的,讨论最近对小肠在调节动脉粥样硬化和癌症中的新肠癌的重要性。最近发现整合蛋白β7+天然肠道上皮内T细胞调节小鼠的代谢和加速动脉粥样硬化。减少小肠中的溶血磷脂的产生模仿肥胖手术和改善糖尿病。特异性肠杆菌 - 柯氏去饱和酶-1的特异性敲低敲除血脂血症的LDL受体无血液血症患者喂养西方饮食。向载脂蛋白A-L模拟肽6f中的西红柿转基因的浓缩物加入野生型小鼠的咸味中,在小肠中改变了脂质代谢,保存了缺口信号传导和小鼠模型中的肿瘤负担降低。通过刺激胆固醇生物合成,磷脂重塑酶LPCAT3调节肠干细胞和祖细胞;增加饮食中的胆固醇或通过遗传操作促进APCMIN +小鼠的肿瘤内酯。

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