And, in a study of the model of nonbacterial prostatitis, modifications in pain behavior such as closing of the eyes, hypolocomotion, and inflammatory changes(increase of inflammatory cell accumulation, COX2 expression, and plasma extravasation)were developed after intraprostatic capsaicin injection in rats, but completely recovered at 1 week[13]. The gene discussed is PTGS2; the disease is urogenital neoplasm.