Corticotropin-releasing hormone (CRH) downregulates interleukin-18 expression in human HaCaT keratinocytes by activation of p38 mitogen-activated protein kinase (MAPK) pathway. - Park,HJ.; Kim,HJ.; Lee,JH.; Lee,JY.; Cho,BK.; Kang,JS.; Kang,H.; Yang,Y.; Cho,DH. (J Invest Dermatol, 2005)