Leptin and the gastrointestinal tract.

Leptin and the gastrointestinal tract.
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瘦素和胃肠道。

DOI:
10.1097/00001574-200003000-00011
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发表时间:
2000
影响因子:
2.5
通讯作者:
A. McCullough
A. McCullough
中科院分区:
医学4区
文献类型:
--
作者:
C. Raguso;A. McCullough

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1990 年瘦素的发现是早期工作的顶峰,这些工作认识到脂肪细胞和下丘脑之间的通讯对于维持体重非常重要。瘦素是一种由 OB 基因编码的 16 千道尔顿蛋白质,通过中枢反馈机制参与食物摄入、身体成分和能量消耗的调节。 OB 基因和瘦素受体最初被认为是脂肪细胞特异性的,但现已在多种其他组织中发现。与本综述相关的是,瘦素基因及其受体已在胃、肠、肝脏和胰腺中被发现。最近的数据还表明,瘦素可能在胃肠道内局部发挥作用,影响肠道功能。这篇综述强调了瘦素可能是一种新的胃肠道激素的概念,以及需要扩大瘦素研究的重点,以包括除了食物摄入之外的体重维持的所有阶段,例如营养吸收和利用。
The discovery of leptin in 1990 was the culmination of earlier work which recognized that communication between the adipocyte and the hypothalamus was important in maintaining body weight. Leptin, which is a 16 kilodalton protein-encoded by the OB gene, is involved in the regulation of food intake, body composition, and energy expenditure through a central feedback mechanism. Initially thought to be adipocyte-specific, the OB gene, as well as the leptin receptor, have been found in a variety of other tissues. Relevant to this review, the leptin gene and its receptor have been identified in the stomach, intestine, liver, and pancreas. Recent data also suggest that leptin may act locally within the gastrointestinal tract to influence intestinal function. This review emphasizes the concept that leptin may be a new gastrointestinal hormone and the need to expand the focus of leptin research to include all phases of weight maintenance, such as nutrient absorption and utilization, in addition to food intake.
DOI: 10.1172/jci118913
发表时间: 1996-09-15
影响因子: 15.9
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发表时间: 1994-11-08
影响因子: 11.1
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