BCL2 and sexually transmitted disease: This indicates that when the VD animals were treated with RSNP (70.44 and 281.76 mg/kg) for four weeks, the abnormal transcript levels of Bcl-2 and Bax were improved in the hippocampus of VD rats; moreover, the medium dose of RSNP was more effective than the low dose of RSNP on both transcripts (P < 0.05).