Categories 2010 Talks Dah-Ching Ding, “Human umbilical cord mesenchymal stem cells support prolonged expansion of human embryonic stem cells without tumorigenesis” Post author By admin Post date May 1, 2021 Presented at the 2010 Workshop in Taiwan. Tags Dah-Ching Ding ← Alok Sharma, “Clinical trial of bone marrow stem cells in spinal cord injury” → Dr. Chia-Ning Shen, “Porphyrin homeostasis maintained by ABCG2 transporter regulates self-renewal of embryonic stem cells and cancer stem cells”