G-protein-coupled receptors, Hedgehog signaling and primary cilia.

G-protein-coupled receptors, Hedgehog signaling and primary cilia.
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DOI:
10.1016/j.semcdb.2014.05.002
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发表时间:
2014-09
影响因子:
7.3
通讯作者:
Rohatgi R
Rohatgi R
中科院分区:
生物学2区
文献类型:
--
作者:
Mukhopadhyay S;Rohatgi R

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Hedgehog(Hh)信号通路已成为研究初级纤毛细胞生物学各个方面的重要模型,同时,对纤毛突起的研究为解决脊椎动物Hh信号转导机制的长期谜团提供了机会。纤毛作为G蛋白偶联受体(GPCR)信号传导的独特隔室出现在许多系统中。GPCR家族的两个成员Smoothened和Gpr161在Hh通路中发挥重要作用。我们回顾了目前对这些蛋白质如何调节Hh信号传导的理解,并强调了该领域正在解决的一些关键问题。揭示GPCR调控的Hh信号转导机制的重要性,可能会提供针对Hh通路,在发育,再生和癌症中发挥重要作用的治疗策略。
The Hedgehog (Hh) pathway has become an important model to study diverse aspects of cell biology of the primary cilium, and reciprocally, the study of ciliary processes provides an opportunity to solve longstanding mysteries in the mechanism of vertebrate Hh signal transduction. The cilium is emerging as an unique compartment for G-protein—coupled receptor (GPCR) signaling in many systems. Two members of the GPCR family, Smoothened and Gpr161, play important roles in the Hh pathway. We review the current understanding of how these proteins may function to regulate Hh signaling and also highlight some of the critical unanswered questions being tackled by the field. Uncovering GPCR-regulated mechanisms important in Hh signaling may provide therapeutic strategies against the Hh pathway that plays important roles in development, regeneration and cancer.
CK1α和GRK2的声音刺猬依赖性磷酸化是纤毛积累和平滑激活所必需的。
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