TNF and psoriasis: An exception is concomitant autoimmune disease such as psoriasis or rheumatoid arthritis; patients afflicted by these diseases who were treated with mycophenolate mofetil, an inhibitor of inosine monophosphate dehydrogenase and suppressant of T and B cell proliferation [101], or the monoclonal TNF-α-antibody, infliximab [102], had reductions in blood pressure.