Abstract:
:Osteoarthritis (OA), primarily characterized by articular cartilage destruction, is the most common form of age-related degenerative whole-joint disease. No disease-modifying treatments for OA are currently available. Although OA is primarily characterized by cartilage destruction, our understanding of the processes controlling OA progression is poor. Here, we report the association of OA with increased levels of osteoclast-associated receptor (OSCAR), an immunoglobulin-like collagen-recognition receptor. In mice, OSCAR deletion abrogates OA manifestations, such as articular cartilage destruction, subchondral bone sclerosis, and hyaline cartilage loss. These effects are a result of decreased chondrocyte apoptosis, which is caused by the tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) in induced OA. Treatments with human OSCAR-Fc fusion protein attenuates OA pathogenesis caused by experimental OA. Thus, this work highlights the function of OSCAR as a catabolic regulator of OA pathogenesis, indicating that OSCAR blockade is a potential therapy for OA.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Park DR,Kim J,Kim GM,Lee H,Kim M,Hwang D,Lee H,Kim HS,Kim W,Park MC,Shim H,Lee SYdoi
10.1038/s41467-020-18208-ysubject
Has Abstractpub_date
2020-08-28 00:00:00pages
4343issue
1issn
2041-1723pii
10.1038/s41467-020-18208-yjournal_volume
11pub_type
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