Related by context. Frequent words. (Click for all words.) 57 stem cells 53 bone marrow stem cells 52 adult stem cells 50 umbilical cord blood 50 Adult stem cells 49 neural stem cells 49 islet cells 48 allogeneic 48 hematopoietic stem cells 48 allografts 47 stem cell transplants 47 cord blood 47 pluripotent stem cells 46 cell transplantation 46 Platelets 46 autologous 46 Cord blood 46 transfusions 46 stem cell therapy 46 tissues 45 regenerative cells 45 platelets 45 bone grafts 45 progenitor cells 45 iPSCs 45 ovarian tissue 44 mesenchymal stem cells 44 stem cells derived 44 transplantations 44 stem cell transplantation 44 oocytes 44 umbilical cords 44 Stem cells 43 fibroblasts 43 diseased cells 43 PLX PAD 43 sperms 43 calcitriol 42 medicines 42 blood platelets 42 immunosuppressive drugs 42 transplantation 42 prostate tissue 42 metastatic tumors 42 tissue 42 hematopoietic stem cell 42 hepatocytes 42 pancreatic cells 42 engraftment 41 oligodendrocytes 41 tissue transplants 41 stem cell therapies 41 germ cells 41 adipose tissue 41 tissue samples 41 Mozobil 41 embryonic stem cells 41 immunosuppressants 41 Premature babies 41 blood transfusions 41 organ transplants 41 cardiomyocytes 41 immune suppression 41 iPS cells 41 embryos 41 bone marrow 40 cloned embryos 40 TB4 40 mouse embryos 40 bone marrow transplants 40 somatic cells 40 Embryonic stem cells 40 sperm 40 immunosuppressant drugs 40 HSCs 40 adult stem cell 40 fertilized embryos 40 oncolytic viruses 40 bone marrow transplantation 40 regenerative medicine 40 therapies 40 insulin 40 intravenous infusions 40 diseased tissue 39 hESCs 39 hydroxyurea 39 fetal tissue 39 iPS cell 39 insulin producing 39 stem cell 39 hormone insulin 39 cloned embryo 39 biobank 39 retinal cells 39 hematopoietic 39 renal transplant 39 gametes 39 livers 39 IVF treatment 39 PolyHeme 39 IVF cycles