Desmin Modulates Muscle Cell Adhesion and Migration - Université Paris Cité
Journal Articles Frontiers in Cell and Developmental Biology Year : 2022

Desmin Modulates Muscle Cell Adhesion and Migration

Abstract

Cellular adhesion and migration are key functions that are disrupted in numerous diseases. We report that desmin, a type-III muscle-specific intermediate filament, is a novel cell adhesion regulator. Expression of p.R406W mutant desmin, identified in patients with desmin-related myopathy, modified focal adhesion area and expression of adhesion-signaling genes in myogenic C2C12 cells. Satellite cells extracted from desmin-knock-out (DesKO) and desmin-knock-in-p.R405W (DesKI-R405W) mice were less adhesive and migrated faster than those from wild-type mice. Moreover, we observed mislocalized and aggregated vinculin, a key component of cell adhesion, in DesKO and DesKI-R405W muscles. Vinculin expression was also increased in desmin-related myopathy patient muscles. Together, our results establish a novel role for desmin in cell-matrix adhesion, an essential process for strength transmission, satellite cell migration and muscle regeneration. Our study links the patho-physiological mechanisms of desminopathies to adhesion/migration defects, and may lead to new cellular targets for novel therapeutic approaches.
Fichier principal
Vignette du fichier
fcell-10-783724.pdf (3.76 Mo) Télécharger le fichier
Origin Publisher files allowed on an open archive

Dates and versions

hal-03876281 , version 1 (13-11-2023)

Identifiers

Cite

Coralie Hakibilen, Florence Delort, Marie-Thérèse Daher, Pierre Joanne, Eva Cabet, et al.. Desmin Modulates Muscle Cell Adhesion and Migration. Frontiers in Cell and Developmental Biology, 2022, 10, ⟨10.3389/fcell.2022.783724⟩. ⟨hal-03876281⟩
227 View
37 Download

Altmetric

Share

More