作者
Mukundan Attur, Xin Duan, Lei Cai, Tianzhen Han, Weili Zhang, Eric D Tycksen, Jonathan Samuels, Robert H Brophy, Steven B Abramson, Muhammad Farooq Rai
发表日期
2021/12
期刊
Arthritis Research & Therapy
卷号
23
页码范围
1-14
出版商
BioMed Central
简介
Background
Elevated levels of periostin (Postn) in the cartilage and bone are associated with osteoarthritis (OA). However, it remains unknown whether Postn loss-of-function can delay or prevent the development of OA. In this study, we sought to better understand the role of Postn in OA development and assessed the functional impact of Postn deficiency on post-traumatic and age-related OA in mice.
Methods
The effects of Postn deficiency were studied in two murine experimental OA models using Postn−/− (n = 32) and littermate wild-type (wt) mice (n = 36). Post-traumatic OA was induced by destabilization of the medial meniscus (DMM) in 10-week-old mice (n = 20); age-related OA was analyzed in 24-month-old mice (n = 13). Cartilage degeneration was assessed histologically using the OARSI scoring system, and synovitis was evaluated by …
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