Mutant P53, BCL-2 and BAX expression levels comparison. (A) Serum P53 expression levels comparison. * P<0.05, compared with controls; # P<0.05, compared with cyclophosphamide group; & P<0.05, cyclophosphamide group compared with controls; (B) Serum BCL-2/BAX expression levels comparison. * P<0.05, compared with controls; # P<0.05, compared with cyclophosphamide group; & P<0.05, cyclophosphamide group compared with controls.