CJCP     2009 11 (12):  957-960    ISSN: 1008-8830  CN: 43-1301/R Effects of dexamethasone on CTLA-4 expression and apoptosis in lymphocytes obtained from children with mesangial proliferative nephritis WANG Feng-Ying, LU Si-Guang, LUO Rong-Hua Department of Pediatrics, Tai'an City Central Hospital, Tai'an, Shangdong 271000, China. Email: wfy6699@163.com Received: null  Revised: null  Online: null Supporting info