[1] Chongqing Univ, Sch Life Sci, Chongqing, Peoples R China
[2] North Sichuan Med Coll, Sch Basic Med Sci, Nanchong, Peoples R China
[3] Southwest Univ, Coll Agron & Biotechnol, Chongqing, Peoples R China
[4] UT Hlth, Dept Cellular & Struct Biol, San Antonio, UT USA