Drivers of rheumatoid arthritis identified

Cutting-edge tetramer technology has been used to find the T cells that drive rheumatoid arthritis. This tool now allows scientists to study how RA starts, how current therapies may impact the immune response directed to the joint and how to specifically target these cells therapeutically. An estimated 1.3 million people in the United States have RA — almost 1 percent of the nation’s adult population. There are nearly three times as many women as men with the disease.

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