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Review
. 2023 Mar 7;24(6):5095.
doi: 10.3390/ijms24065095.

Collagen VI in the Musculoskeletal System

Alberto Di Martino  1   2 , Matilde Cescon  3 , Claudio D'Agostino  1   2 , Francesco Schilardi  1   2 , Patrizia Sabatelli  4   5 , Luciano Merlini  2 , Cesare Faldini  1   2
Affiliations
Review

Collagen VI in the Musculoskeletal System

Alberto Di Martino et al. Int J Mol Sci. .

Abstract

Collagen VI exerts several functions in the tissues in which it is expressed, including mechanical roles, cytoprotective functions with the inhibition of apoptosis and oxidative damage, and the promotion of tumor growth and progression by the regulation of cell differentiation and autophagic mechanisms. Mutations in the genes encoding collagen VI main chains, COL6A1, COL6A2 and COL6A3, are responsible for a spectrum of congenital muscular disorders, namely Ullrich congenital muscular dystrophy (UCMD), Bethlem myopathy (BM) and myosclerosis myopathy (MM), which show a variable combination of muscle wasting and weakness, joint contractures, distal laxity, and respiratory compromise. No effective therapeutic strategy is available so far for these diseases; moreover, the effects of collagen VI mutations on other tissues is poorly investigated. The aim of this review is to outline the role of collagen VI in the musculoskeletal system and to give an update about the tissue-specific functions revealed by studies on animal models and from patients' derived samples in order to fill the knowledge gap between scientists and the clinicians who daily manage patients affected by collagen VI-related myopathies.

Keywords: Bethlem myopathy; COL6A1; COL6A2; COL6A3; COL6A4; COL6A5; COL6A6; Ullrich congenital muscular dystrophy; animal models; collagen type VI; limb deformities; myosclerosis myopathy; orthopedic surgery.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The role of collagen VI in different tissues: Skeletal Muscle, Bone, Tendon, Cartilage and Neuromuscular Junction (NMJ).
Figure 2
Figure 2
The role of collagen VI in different tissues: Intervertebral disk and Ligament.
See this image and copyright information in PMC

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