Institute of Reproduction and Stem Cell Engineering;
School of Basic Medicine Science;
Central South University;
Changsha 410078;
China;
asymmetric; division; cellular; homolog; of; feline; sarcoma; viral; oncogene; v-kit; false; clones; glial; cell; line-derived; neurotrophic; factor; receptor; alpha; 1; promyelocytic; leukemia; zinc; finger; spermatogonia; stem; cell;