Biochemical and Functional Interplay Between Ion Channels and the Components of the Dystrophin-Associated Glycoprotein Complex

The Journal of Membrane Biology
Margarita Leyva-LeyvaRicardo González-Ramírez

Abstract

Dystrophin is a cytoskeleton-linked membrane protein that binds to a larger multiprotein assembly called the dystrophin-associated glycoprotein complex (DGC). The deficiency of dystrophin or the components of the DGC results in the loss of connection between the cytoskeleton and the extracellular matrix with significant pathophysiological implications in skeletal and cardiac muscle as well as in the nervous system. Although the DGC plays an important role in maintaining membrane stability, it can also be considered as a versatile and flexible molecular complex that contribute to the cellular organization and dynamics of a variety of proteins at specific locations in the plasma membrane. This review deals with the role of the DGC in transmembrane signaling by forming supramolecular assemblies for regulating ion channel localization and activity. These interactions are relevant for cell homeostasis, and its alterations may play a significant role in the etiology and pathogenesis of various disorders affecting muscle and nerve function.

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Citations

Jan 8, 2021·Skeletal Muscle·James R MickelsonG Diane Shelton
Sep 24, 2021·Pflügers Archiv : European journal of physiology·Kay Ohlendieck, Dieter Swandulla

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Methods Mentioned

BETA
coimmunoprecipitation
pull-down
transfection
PCR
transgenic
glycosylation

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