The emerging roles of Shank3 in cardiac function and dysfunction

Yoonhee Kim, Tae Hee Ko, Chunmei Jin, Yinhua Zhang, Hyae Rim Kang, Ruiying Ma, Huiling Li, Jong Il Choi, Kihoon Han

Research output: Contribution to journalShort surveypeer-review

Abstract

Shank3 is a member of the Shank family proteins (Shank1–3), which are abundantly present in the postsynaptic density (PSD) of neuronal excitatory synapses. As a core scaffold in the PSD, Shank3 plays a critical role in organizing the macromolecular complex, ensuring proper synaptic development and function. Clinically, various mutations of the SHANK3 gene are causally associated with brain disorders such as autism spectrum disorders and schizophrenia. However, recent in vitro and in vivo functional studies and expression profiling in various tissues and cell types suggest that Shank3 also plays a role in cardiac function and dysfunction. For example, Shank3 interacts with phospholipase Cβ1b (PLCβ1b) in cardiomyocytes, regulating its localization to the sarcolemma and its role in mediating Gq-induced signaling. In addition, changes in cardiac morphology and function associated with myocardial infarction and aging have been investigated in a few Shank3 mutant mouse models. This review highlights these results and potential underlying mechanisms, and predicts additional molecular functions of Shank3 based on its protein interactors in the PSD, which are also highly expressed and function in the heart. Finally, we provide perspectives and possible directions for future studies to better understand the roles of Shank3 in the heart.

Original languageEnglish
Article number1191369
JournalFrontiers in Cell and Developmental Biology
Volume11
DOIs
Publication statusPublished - 2023

Bibliographical note

Publisher Copyright:
Copyright © 2023 Kim, Ko, Jin, Zhang, Kang, Ma, Li, Choi and Han.

Keywords

  • Shank3
  • calcium homeostasis
  • cardiomyocyte
  • heart
  • mitochondria

ASJC Scopus subject areas

  • Developmental Biology
  • Cell Biology

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