Parkinson's disease-associated receptor GPR37 is an ER chaperone for LRP6

被引：30

作者：

Berger, Birgit S. ^{[1
]}

Acebron, Sergio P. ^{[1
]}

Herbst, Jessica ^{[1
]}

Koch, Stefan ^{[1
]}

Niehrs, Christof ^{[1
,2
]}

机构：

[1] DKFZ ZMBH Alliance, Div Mol Embryol, Heidelberg, Germany

[2] Inst Mol Biol, Mainz, Germany

来源：

EMBO REPORTS | 2017年 / 18卷 / 05期

关键词：

ER-associated degradation; GPR37; LRP6; PAEL-R; Wnt signaling; ENDOPLASMIC-RETICULUM STRESS; COMMON GENETIC-VARIATION; MICE LACKING; WNT; BINDING; BONE; DIFFERENTIATION; DEGRADATION; PROTEINS; COMPLEX;

D O I：

10.15252/embr.201643585

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Wnt/beta-catenin signaling plays a key role in embryonic development, stem cell biology, and neurogenesis. However, the mechanisms of Wnt signal transmission, notably how the receptors are regulated, remain incompletely understood. Here we describe that the Parkinson's disease-associated receptor GPR37 functions in the maturation of the N-terminal bulky beta-propellers of the Wnt co-receptor LRP6. GPR37 is required for Wnt/beta-catenin signaling and protects LRP6 from ER-associated degradation via CHIP (carboxyl terminus of Hsc70-interacting protein) and the ATPase VCP. GPR37 is highly expressed in neural progenitor cells (NPCs) where it is required for Wnt-dependent neurogenesis. We conclude that GPR37 is crucial for cellular protein quality control during Wnt signaling.

引用

页码：712 / 725

页数：14

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