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人类肥胖症中的饮食组成与脂蛋白脂肪酶(EC 3.1.1.34)活性

Diet composition and lipoprotein lipase (EC 3.1.1.34) activity in human obesity.

作者信息

Smolin L A, Grosvenor M B, Handelsman D J, Brasel J A

出版信息

Br J Nutr. 1987 Jul;58(1):13-21. doi: 10.1079/bjn19870064.

DOI:10.1079/bjn19870064
PMID:3304415
Abstract
  1. Adipose tissue lipoprotein lipase (EC 3.1.1.34; AT-LPL), a rate-limiting enzyme in triglyceride storage in adipose tissue, is hormonally regulated and may be important in the maintenance of obesity. 2. In twelve obese women, AT-LPL activity was measured before weight loss, during weight loss and after 1 and 2 weeks of weight maintenance on either a high-carbohydrate or a high-protein diet. 3. When related to tissue weight, AT-LPL activity during the 2 weeks of weight maintenance was higher than the initial AT-LPL activity; there was no difference when activity was expressed per cell. 4. Changes in AT-LPL activity were not affected by diet composition. AT-LPL activity correlated with insulin levels and a change in insulin sensitivity of AT-LPL was observed after weight loss.
摘要
  1. 脂肪组织脂蛋白脂肪酶(EC 3.1.1.34;AT-LPL)是脂肪组织中甘油三酯储存的限速酶,受激素调节,可能在肥胖的维持中起重要作用。2. 在12名肥胖女性中,测量了她们在减肥前、减肥期间以及在高碳水化合物或高蛋白饮食下维持体重1周和2周后的AT-LPL活性。3. 与组织重量相关时,维持体重2周期间的AT-LPL活性高于初始AT-LPL活性;以每细胞表示活性时则无差异。4. AT-LPL活性的变化不受饮食组成的影响。AT-LPL活性与胰岛素水平相关,减肥后观察到AT-LPL的胰岛素敏感性发生了变化。

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