Fibroblast-like cells derived from the gonadal ridges and dorsal mesenteries of human embryos as feeder cells for the culture of human embryonic germ cells
(1) Key Laboratory of Pathobiology, Ministry of Education, Jilin University, 2 Xinmin Street, Changchun, 130021, P.R. China;(2) Department of Obstetrics and Gynecology, First Hospital, Jilin University, Changchun, 130021, P.R. China