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Impact of energy turnover on the regulation of glucose homeostasis in healthy subjects.
Nutrition & Diabetes ( IF 4.6 ) Pub Date : 2019-08-08 , DOI: 10.1038/s41387-019-0089-6
Franziska Büsing 1 , Franziska Anna Hägele 1 , Alessa Nas 2 , Mario Hasler 3 , Manfred James Müller 1 , Anja Bosy-Westphal 1
Affiliation  

OBJECTIVE Sedentary lifestyle increases the risk of type 2 diabetes. The aim of this study was to investigate the impact of different levels of energy turnover (ET; low, medium, and high level of physical activity and the corresponding energy intake) on glucose metabolism at zero energy balance, caloric restriction, and overfeeding. METHODS Sixteen healthy individuals (13 men, 3 women, 25.1 ± 3.9 years, BMI 24.0 ± 3.2 kg/m2) participated in a randomized crossover intervention under metabolic ward conditions. Subjects passed 3 × 3 intervention days. Three levels of physical activity (PAL: low 1.3, medium 1.6, and high 1.8 achieved by walking at 4 km/h for 0, 3 × 55, or 3 × 110 min) were compared under three levels of energy balance (zero energy balance (EB): 100% of energy requirement (Ereq); caloric restriction (CR): 75% Ereq, and overfeeding (OF): 125% Ereq). Continuous interstitial glucose monitoring, C-peptide excretion, and HOMA-IR, as well as postprandial glucose and insulin were measured. RESULTS Daylong glycemia and insulin secretion did not increase with higher ET at all conditions of energy balance (EB, CR, and OF), despite a correspondingly higher CHO intake (Δ low vs. high ET: +86 to 135 g of CHO/d). At CR, daylong glycemia (p = 0.02) and insulin secretion (p = 0.04) were even reduced with high compared with low ET. HOMA-IR was impaired with OF and improved with CR, whereas ET had no effect on fasting insulin sensitivity. A higher ET led to lower postprandial glucose and insulin levels under conditions of CR and OF. CONCLUSION Low-intensity physical activity can significantly improve postprandial glycemic response of healthy individuals, independent of energy balance.

中文翻译:

能量转换对健康受试者葡萄糖稳态调节的影响。

目的久坐不动的生活方式会增加2型糖尿病的风险。这项研究的目的是研究能量平衡为零,热量限制和过量喂养时,不同水平的能量转换(ET;低,中,高水平的体育活动以及相应的能量摄入)对葡萄糖代谢的影响。方法16名健康个体(13名男性,3名女性,25.1±3.9岁,BMI 24.0±3.2 kg / m2)参加了代谢病房条件下的随机交叉干预。受试者经过3×3天的干预。在三个能量平衡级别(零能量平衡)下,比较了三个水平的体育活动(PAL:以4 km / h的速度步行0、3×55或3×110 min所达到的低1.3,中1.6和高1.8) (EB):能量需求(Ereq)的100%;热量限制(CR):Ereq的75%,和超喂(OF):125%Ereq)。测量连续的间质葡萄糖监测,C肽排泄和HOMA-IR,以及餐后葡萄糖和胰岛素。结果在所有能量平衡条件下(EB,CR和OF),尽管ET较高,但全天血糖和胰岛素分泌并没有随ET的增加而增加(Δ低vs.高ET:+86至135 g CHO / d )。在CR时,与低ET相比,全天血糖(p = 0.02)和胰岛素分泌(p = 0.04)甚至降低。OF会损害HOMA-IR,CR会改善HOMA-IR,而ET对空腹胰岛素敏感性没有影响。在CR和OF条件下,较高的ET导致餐后葡萄糖和胰岛素水平降低。结论低强度的体育锻炼可以显着改善健康个体的餐后血糖反应,
更新日期:2019-08-08
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