[Tan, Xiang-Wen] Univ S China, Dept Lab Anim Sci, Hengyang 421001, Hunan, Peoples R China.
[Cao, Jian-Guo] Hunan Normal Univ, Med Engn Lab, Coll Med, Changsha 410006, Hunan, Peoples R China.
[Xia, Hong] Univ S China, Inst Canc Res, Hengyang 421001, Hunan, Peoples R China.
[Xu, Jin-Hua] Univ S China, Ctr Biochem & Mol Biol Lab, Hengyang 421001, Hunan, Peoples R China.