Galanin-like peptide modulates energy balance by affecting inflammatory mediators?

Galanin-like peptide modulates energy balance by affecting inflammatory mediators?
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甘丙肽样肽通过影响炎症介质来调节能量平衡?

DOI:
10.1016/j.physbeh.2009.02.041
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发表时间:
2009
影响因子:
2.9
通讯作者:
Lawrence CB
Lawrence CB
中科院分区:
医学3区
文献类型:
--
作者:
Lawrence CB

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甘丙肽样肽(GALP)是一种神经肽,被认为在能量平衡的调节中发挥作用。然而,GALP对食物摄入量和体重的影响似乎是复杂的。在大鼠中,GALP的中枢给药最初刺激食物摄入,随后是食物摄入和体重的减少,而在小鼠中,GALP仅具有厌食作用。在大鼠和小鼠中,GALP还导致核心体温的显著升高。GALP的这些厌食作用与中枢给予促炎细胞因子白细胞介素-1(IL-1)后观察到的厌食作用相似。本文将讨论GALP对能量平衡的二分作用的证据,以及所涉及的潜在机制。我还描述了IL-1在介导GALP的厌食和发热作用中的作用,并考虑GALP可能像炎症介质一样起作用的可能性。
Galanin-like peptide (GALP) is a neuropeptide that is thought to play a role in the regulation of energy balance. However, the effects of GALP on food intake and body weight appear to be complex. In rats, central administration of GALP initially stimulates food intake, an effect that is followed by a reduction in food intake and body weight, whereas in mice, GALP has an anorectic action only. In rats and mice, GALP also causes a prostaglandin-dependent increase in core body temperature. These anorectic effects of GALP are similar to those observed after central administration of the pro-inflammatory cytokine interleukin-1 (IL-1). This review will discuss the evidence for the dichotomous actions of GALP on energy balance, and the potential mechanisms involved. I also describe a role for IL-1 in mediating the anorectic and febrile actions of GALP, and consider the possibility that GALP may act like an inflammatory mediator.
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有证据表明甘丙肽 (GAL)、黑色素浓缩激素 (MCH)、神经降压素 (NT)、阿片黑皮质素原 (POMC) 和神经肽 Y (NPY) 是下丘脑瘦素信号传导的靶标。
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