Diagnosis of rheumatoid arthritis (RA) is largely clinical, based on key historic and physical findings and serial observation of symptoms, signs and response to therapies. Observation during the ...

Interleukin-6 (IL-6) is a pleiotropic cytokine that may play a role in the regulation of various aspects of the immune response, inflammation, hematopoiesis, and bone metabolism. IL-6 acts by binding ...