HF and SD NCSCs were negative for the following markers: CD34, CD45, and HLA-DR (hematopoietic and immune cells markers), CD56 (NCAM)—marker of mature neurons and glial cells; CD117 (C-KIT)—receptor for SCF, the marker of melanocytes and melanocyte stem cells. The gene discussed is PTPRC; the disease is hydrops fetalis.