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Production of interleukin-1 receptor antagonist by human articular chondrocytes
Interleukin-1 receptor antagonist (IL-1Ra) is a natural IL-1 inhibitor possessing anti-inflammatory properties. IL-1Ra is produced as different isoforms, one secreted (sIL-1Ra) and three intracellular (icIL-1Ra1,…
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Updated Oct 29, 2026