Adseverin, an actin-binding protein, modulates hypertrophic chondrocyte differentiation and osteoarthritis progression

Author(s)Chan, Byron
Author(s)Glogauer, Michael
Author(s)Wang, Yongqiang
Author(s)Wrana, Jeffrey
Author(s)Chan, Kin
Author(s)Beier, Frank
Author(s)Bali, Supinder
Author(s)Hinz, Boris
Author(s)Parreno, Justin
Author(s)Ashraf, Sajjad
Author(s)Kandel, Rita
Date Accessioned2023-10-17T19:21:32Z
Date Available2023-10-17T19:21:32Z
Publication Date2023-08-04
DescriptionThis article was originally published in Science Advances. The version of record is available at: https://doi.org/10.1126/sciadv.adf1130. Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science.
AbstractIn osteoarthritis (OA), a disease characterized by progressive articular cartilage degradation and calcification, the articular chondrocyte phenotype changes and this correlates with actin cytoskeleton alterations suggesting that it regulates gene expression essential for proper phenotype. This study reports that OA is associated with the loss of adseverin, an actin capping and severing protein. Adseverin deletion (Adseverin−/−) in mice compromised articular chondrocyte function, by reducing F-actin and aggrecan expression and increasing apoptosis, Indian hedgehog, Runx2, MMP13, and collagen type X expression, and cell proliferation. This led to stiffer cartilage and decreased hyaline and increased calcified cartilage thickness. Together, these changes predisposed the articular cartilage to enhanced OA severity in Adseverin−/− mice who underwent surgical induction of OA. Adseverin−/− chondrocyte RNA sequencing and in vitro studies together suggests that adseverin modulates cell viability and prevents mineralization. Thus, adseverin maintains articular chondrocyte phenotype and cartilage tissue homeostasis by preventing progression to hypertrophic differentiation in vivo. Adseverin may be chondroprotective and a potential therapeutic target.
SponsorThis work was supported by NSERC Discovery Grant RGPIN-2016-06088 (to R.K.), University of Toronto Fellowship (to B.C.), Ontario Student Opportunity Trust Funds Award (to B.C.), Queen Elizabeth II Graduate Scholarship in Science & Technology (to B.C.), Ontario Graduate Scholarship (to B.C.).
CitationByron Chan et al. ,Adseverin, an actin-binding protein, modulates hypertrophic chondrocyte differentiation and osteoarthritis progression.Sci. Adv.9,eadf1130(2023).DOI:10.1126/sciadv.adf1130
ISSN2375-2548
URLhttps://udspace.udel.edu/handle/19716/33558
Languageen_US
PublisherScience Advances
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
TitleAdseverin, an actin-binding protein, modulates hypertrophic chondrocyte differentiation and osteoarthritis progression
TypeArticle
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