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Published on: June 6, 2025
Liver-joint axis: Hepatitis B virus as a contributor to rheumatoid arthritis pathogenesis
Hui Wu1,2, Na Zhao1,3, Xiaoyu Zhang4
1Department of Clinical Laboratory, Qilu Hospital of Shandong University, Jinan, Shandong, China.
None:
Hepatitis B virus (HBV) is increasingly recognized for its involvement in extrahepatic diseases, including rheumatological manifestations such as arthritis and joint pain. This review introduces the concept of the liver-joint axis, hypothesizing that HBV may contribute to rheumatoid arthritis (RA) pathogenesis through immune and metabolic dysregulation. We emphasize the effect of HBV infection on fibroblast activation, metabolic reprogramming, and Th17/Treg imbalance. Transcriptome analysis further elucidates the complex signaling networks underlying HBV-associated RA. These findings support a pathogenic role for HBV in joint inflammation and suggest novel therapeutic opportunities for targeting HBV-driven RA.
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