GOAT links dietary lipids with the endocrine control of energy balance.

GOAT links dietary lipids with the endocrine control of energy balance.
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DOI:
10.1038/nm.1997
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发表时间:
2009-07
期刊:
影响因子:
82.9
通讯作者:
--
中科院分区:
医学1区
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中枢神经系统(CNS)的营养感知和传入内分泌信号作为平行系统,在脊椎动物中传递代谢状态和能量可用性的信息。已知唯一需要用脂肪酸侧链修饰的传入内分泌信号是促食欲激素胃饥饿素。我们发现,对胃饥饿素酰化至关重要的胃饥饿素O -酰基转移酶(GOAT)受营养可用性的调节,依赖特定的膳食脂质作为酰化底物,并调节小鼠的体脂肪量。
CNS nutrient sensing and afferent endocrine signalling are established as parallel systems communicating metabolic status and energy availability in vertebrates. The only afferent endocrine signal known to require modification with a fatty acid side chain is the orexigenic hormone ghrelin. We find that the ghrelin O-acyl transferase (GOAT) which is essential for ghrelin acylation, is regulated by nutrient availability, depends on specific dietary lipids as acylation substrates and modulates body fat mass in mice.
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