首页> 美国卫生研究院文献>Journal of Clinical Medicine >Short-Term Cooling Increases Plasma ANGPTL3 and ANGPTL8 in Young Healthy Lean Men but Not in Middle-Aged Men with Overweight and Prediabetes
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Short-Term Cooling Increases Plasma ANGPTL3 and ANGPTL8 in Young Healthy Lean Men but Not in Middle-Aged Men with Overweight and Prediabetes

机译:短期冷却可增加年轻健康瘦男人的血浆ANGPTL3和ANGPTL8的水平但不增加超重和糖尿病前期的中年男性的血浆ANGPTL3和ANGPTL8的水平

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摘要

Angiopoietin-like proteins (ANGPTLs) regulate triglyceride (TG)-rich lipoprotein distribution via inhibiting TG hydrolysis by lipoprotein lipase in metabolic tissues. Brown adipose tissue combusts TG-derived fatty acids to enhance thermogenesis during cold exposure. It has been shown that cold exposure regulates ANGPTL4, but its effects on ANGPTL3 and ANGPTL8 in humans have not been elucidated. We therefore investigated the effect of short-term cooling on plasma ANGPTL3 and ANGPTL8, besides ANGPTL4. Twenty-four young, healthy, lean men and 20 middle-aged men with overweight and prediabetes were subjected to 2 h of mild cooling just above their individual shivering threshold. Before and after short-term cooling, plasma ANGPTL3, ANGPTL4, and ANGPTL8 were determined by ELISA. In young, healthy, lean men, short-term cooling increased plasma ANGPTL3 (+16%, p < 0.05), ANGPTL4 (+15%, p < 0.05), and ANGPTL8 levels (+28%, p < 0.001). In middle-aged men with overweight and prediabetes, short-term cooling only significantly increased plasma ANGPTL4 levels (+15%, p < 0.05), but not ANGPTL3 (230 ± 9 vs. 251 ± 13 ng/mL, p = 0.051) or ANGPTL8 (2.2 ± 0.5 vs. 2.3 ± 0.5 μg/mL, p = 0.46). We show that short-term cooling increases plasma ANGPTL4 levels in men, regardless of age and metabolic status, but only overtly increases ANGPTL3 and ANGPTL8 levels in young, healthy, lean men.
机译:血管生成素样蛋白(ANGPTL)通过抑制代谢组织中脂蛋白脂肪酶的TG水解作用来调节富含甘油三酸酯(TG)的脂蛋白分布。棕色脂肪组织会燃烧TG衍生的脂肪酸,以增强冷暴露期间的生热作用。已经显示冷暴露调节ANGPTL4,但是尚未阐明其对人的ANGPTL3和ANGPTL8的影响。因此,我们研究了短期冷却对血浆ANGPTL3和ANGPTL8以及ANGPTL4的影响。 24名年轻,健康,苗条的男人和20名超重和糖尿病前期的中年男人受到2 h的轻微冷却,刚好超过他们各自的发抖阈值。在短期冷却前后,通过ELISA测定血浆ANGPTL3,ANGPTL4和ANGPTL8。在年轻,健康,瘦弱的男性中,短期降温可增加血浆ANGPTL3(+ 16%,p <0.05),ANGPTL4(+ 15%,p <0.05)和ANGPTL8水平(+ 28%,p <0.001)。在超重和糖尿病前期的中年男性中,短期降温仅能显着提高血浆ANGPTL4水平(+ 15%,p <0.05),而不能显着提高ANGPTL3(230±9 vs. 251±13 ng / mL,p = 0.051)或ANGPTL8(2.2±0.5 vs. 2.3±0.5μg/ mL,p = 0.46)。我们显示,无论年龄和代谢状态如何,短期冷却都会增加男性血浆ANGPTL4的水平,但只会明显增加年轻,健康,瘦弱的男性的ANGPTL3和ANGPTL8的水平。

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