Abstract
Initially identified and further developed as inhibitors of cyclooxygenases, nonsteroidal antiinflammatory drugs (NSAIDs) have been more recently shown to bind to and act as agonists of the peroxisome proliferator-activated receptor family of transcription factors. Here we summarize the current knowledge on the functions of the principal targets of NSAIDs and review their role in T and B lymphocytes, with a focus on the molecular mechanisms underlying the effects of NSAIDs on lymphocyte development, activation, differentiation and death.