[Drug-induced changes in chemotaxis under normal conditions and in rheumatoid arthritis].

The effects of agents used in RA treatment, various drugs, RF, rheumatoid nodule and synovial fluid was studied on chemotaxis of PMNs. NSAIDS, corticosteroids, theophylline, colchicine, SOD, RF, rheumatoid nodule and synovial fluid were found to inhibit the chemotactic responsiveness while AMPc, GMPc, PGEI and immunodulator drugs enhanced chemotaxis. The results support the hypothesis that drugs tested may modulate chemotactic function by affecting cellular microtubules assembly and/or GMPc accumulation.