Dual function lipin proteins and glycerolipid metabolism.

Dual function lipin proteins and glycerolipid metabolism.
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双重功能脂肪蛋白和甘油代谢。

DOI:
10.1016/j.tem.2011.02.006
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发表时间:
2011-06
影响因子:
10.9
通讯作者:
Finck, Brian N.
Finck, Brian N.
中科院分区:
医学1区
文献类型:
--
作者:
Harris, Thurl E.;Finck, Brian N.

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Lipin家族蛋白质正在成为脂质代谢的关键调节剂。在甘油三酯合成中,脂蛋白作为内质网膜上的脂质磷酸酶,催化磷脂酸的去磷酸化以形成二酰基甘油,这是该过程中的倒数第二步。然而,脂蛋白不是完整的膜蛋白,并且可以在细胞内快速移位。事实上,新出现的证据表明,脂蛋白也发挥关键作用,在核转录调控蛋白。因此,脂蛋白准备在多个调节节点调节细胞脂质代谢。本文综述了脂蛋白的历史,并讨论了我们对脂蛋白生物学的理解的现状。
Lipin family proteins are emerging as critical regulators of lipid metabolism. In triglyceride synthesis, lipins act as lipid phosphatase enzymes at the endoplasmic reticular membrane, catalyzing the dephosphorylation of phosphatidic acid to form diacylglycerol, which is the penultimate step in this process. However, lipin proteins are not integral membrane proteins and can rapidly translocate within the cell. In fact, emerging evidence suggests that lipins also play critical roles in the nucleus as transcriptional regulatory proteins. Thus, lipins are poised to regulate cellular lipid metabolism at multiple regulatory nodal points. This review summarizes the history of lipin proteins and discusses the current state of our understanding of lipin biology.
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期刊: Science (New York, N.Y.)
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