... various chemokines stimu-lated mainly by in ammatory cytokines, including IL-1b, TNF-a andIFN-c. (B) Chemokines expressed in the joint recruit leukocytes into the joints. In addition to functioning ... aG-protein that transduces the intracellular signal. The two major subclasses include the CC chemokines (where the cysteines are neighboring) and the CXC chemokines (where the cysteines are ... MINIREVIEW Molecular aspects of rheumatoid arthritis: chemokines in the joints of patients Takuji Iwamoto1,2, Hiroshi Okamoto1, Yoshiaki Toyama2and Shigeki Momohara11 Institute of Rheumatology,...