Appetite and the regulation of body composition.

Appetite and the regulation of body composition.
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食欲和身体成分的调节。

DOI:
10.1096/fasebj.8.3.8143936
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发表时间:
1994
期刊:
FASEB journal : official publication of the Federation of American Societies for Experimental Biology
影响因子:
--
通讯作者:
Weigle,DS
Weigle,DS
中科院分区:
--
文献类型:
--
作者:
Weigle,DS

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身体成分的稳定性要求长期积分时能量摄入等于能量消耗。由于最近的人类研究未能证明能量消耗随着身体成分的变化而发生主动变化,因此很可能不断调整能量摄入以保持恒定的总脂肪组织质量。如果直接调节脂肪组织量,则必须有一些输入将该量反映到中枢神经系统,以便在全身脂肪含量波动时纠正食欲变化。这种输入的性质已经在各种动物实验中得到了检验,包括诱导体重变化、脂肪切除术、从肥胖或饱足动物到饥饿动物的血浆转移,以及肥胖和瘦动物之间的联体共生。大量证据表明,一种或多种目前未识别的稳定循环分子的血浆水平与全身脂肪含量成比例增加,并增强中枢神经系统中与膳食相关的饱腹感信号的影响。讨论了这种与脂肪组织相关的饱腹感因素对肥胖发病机制的影响,以及该因素的可能性质。-Weigle, D. S. 食欲和身体成分的调节。FASEB J.8: 302-310; 1994年。
Stability of body composition requires that energy intake equals energy expenditure when integrated over prolonged periods. As recent human studies have failed to demonstrate active changes in energy expenditure with changes in body composition, it is likely that energy intake is continually adjusted to preserve a constant total adipose tissue mass. If adipose tissue mass is regulated directly, then there must be some input reflecting this quantity to the central nervous system for the purpose of making corrective changes in appetite when total body fat content fluctuates. The nature of this input has been examined in a variety of animal experiments involving induced weight change, lipectomy, plasma transfer from obese or satiated animals to hungry animals, and parabiosis between obese and lean animals. The bulk of evidence suggests that the plasma level of one or more currently unidentified stable circulating molecules increases in proportion to total body fat content and augments the effect of meal‐related satiety signals in the central nervous system. The implications of this adipose tissue‐related satiety factor for the pathogenesis of obesity, and the possible nature of the factor are discussed.—Weigle, D. S. Appetite and the regulation of body composition.FASEB J.8: 302‐310; 1994.
DOI: 10.1001/jama.1947.02880340022005
发表时间: 1947
影响因子: --
作者:
S. Harris;A. Ivy;L. Searle
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影响因子: 33.6
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期刊: The Lancet
影响因子: --
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