Cell Structure and Function
Online ISSN : 1347-3700
Print ISSN : 0386-7196
ISSN-L : 0386-7196

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The Role of Primary Cilia in Myoblast Proliferation and Cell Cycle Regulation during Myogenesis
Zhichao WuNuo ChenDaisuke Takao
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JOURNAL OPEN ACCESS Advance online publication

Article ID: 24067

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Abstract

The process of mammalian myogenesis is fundamental to understanding muscle development and holds broad relevance across multiple fields, from developmental biology to regenerative medicine. This review highlights two key aspects: myoblast proliferation and the role of cilia in this process. Myoblasts, as muscle precursor cells, must undergo tightly regulated cycles of proliferation and differentiation to ensure proper muscle growth and function. Recent research has uncovered an essential role for primary cilia, hair-like sensory organelles on the cell surface, in modulating signaling pathways crucial to myogenesis. Cilium-mediated signaling appears to regulate various stages of myogenesis, including the control of myoblast differentiation. Furthermore, primary cilia undergo multiple cycles of formation and disassembly during myogenesis, presumably enabling detailed, context-dependent regulation of their functions. In particular, the regulation of myoblast proliferation through cell cycle control by primary cilia is an important topic that requires further investigation. By examining the interactions between primary cilia and myoblasts, this review aims to provide new insights into the molecular and cellular mechanisms driving muscle development, with potential applications for understanding muscle-related diseases and advancing therapeutic strategies. Additionally, advancements in imaging and image analysis technologies have become indispensable for studying these processes at the cellular level. This review also addresses these technological advancements and current challenges.

Key words: myogenesis, myoblast, proliferation, cilia, imaging

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