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- W4386457223 abstract "Abstract Objective Ferritin heavy chain 1 (FTH1) is an important subunit of ferro-storing proteins and is indispensable for iron metabolism. Though it has been extensively studied in numerous organs and diseases, the relationship between FTH1 and osteoarthritis (OA) is unclear. Design: Primary murine chondrocytes and cartilage explants were treated with FTH1 siRNA for 72 hours. Mice were injected with adenovirus expressing FTH1 after destabilized medial meniscus (DMM) surgery. These approaches were used to determine the effect of FTH1 expression on the pathophysiology of OA. Results FTH1 expression was down regulated in OA patients and mice after DMM surgery. Knock down of FTH1 induced articular cartilage damage and extracellular matrix degradation in cartilage explants. Further, over expression of FTH1 reduced the susceptibility of chondrocytes to ferroptosis and reversed decrements in SOX9 and aggrecan after DMM surgery. Moreover, FTH1 relieved OA by inhibition of the chondrocyte MAPK pathway. Conclusion This study found FTH1 to play an essential role in extracellular matrix degradation, ferroptosis, and chondrocytes senescence during OA progression. Further, injection of adenovirus expressing FTH1 may be a potential strategy for OA prevention and therapy." @default.
- W4386457223 created "2023-09-06" @default.
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- W4386457223 date "2023-09-05" @default.
- W4386457223 modified "2023-10-17" @default.
- W4386457223 title "FTH1 protects against osteoarthritis by MAPK pathway inhibition of extracellular matrix degradation" @default.
- W4386457223 doi "https://doi.org/10.21203/rs.3.rs-3205060/v1" @default.
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