Journal
FRONTIERS IN CELL AND DEVELOPMENTAL BIOLOGY
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2021.774587
Keywords
clathrin; membrane trafficking; endocytosis; triskelion; physiology; actin
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Clathrin is a crucial cytosolic protein involved in intracellular trafficking, mitosis, and cell signaling. Comprising of heavy and light chains, it forms triskelions that polymerize into clathrin coated vesicles for membrane transport. Despite the well-documented role of heavy chains, the regulation of membrane traffic and cell signaling by clathrin light chains remains incompletely understood.
Clathrin is a cytosolic protein involved in the intracellular trafficking of a wide range of cargo. It is composed of three heavy chains and three light chains that together form a triskelion, the subunit that polymerizes to form a clathrin coated vesicle. In addition to its role in membrane trafficking, clathrin is also involved in various cellular and biological processes such as chromosomal segregation during mitosis and organelle biogenesis. Although the role of the heavy chains in regulating important physiological processes has been well documented, we still lack a complete understanding of how clathrin light chains regulate membrane traffic and cell signaling. This review highlights the importance and contributions of clathrin light chains in regulating clathrin assembly, vesicle formation, endocytosis of selective receptors and physiological and developmental processes.
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