Fractalkine/CX3CL1 in rheumatoid arthritis.

Fractalkine is a CX3C chemokine that exists in both membrane-bound and soluble forms. Interaction between fractalkine and its unique receptor (CX3CR1) induces cell adhesion, chemotaxis, crawling, "accessory cell" activity, and survival. The serum level of fractalkine is elevated in patients with rheumatoid arthritis (RA) and is correlated with disease… (More)