Related by context. Frequent words. (Click for all words.) 54 progenitor cells 54 stem cells 53 mesenchymal stem cells 53 progenitor cell 53 autologous 52 adipose tissue 51 allogeneic 50 bone marrow derived 49 hematopoietic stem cell 48 hepatocytes 48 pluripotent stem cells 48 bone marrow stem cells 48 stem cells derived 47 Cord blood 47 bone marrow stem cell 47 umbilical cord blood 47 oocyte 47 somatic cell 46 fibroblasts 46 hematopoietic stem cells 46 cell transplantation 46 Adult stem cells 46 adult stem cells 46 ovarian tissue 46 tissue 46 regenerative therapies 45 cardiomyocytes 45 islet cells 45 exosomes 45 cord blood 45 ex vivo 45 stromal cells 44 chondrocytes 44 human neural stem 44 neural stem cells 44 oocytes 44 somatic cells 44 umbilical cords 44 hematopoietic 43 neural stem cell 43 microspheres 43 allograft 43 MSCs 43 biodegradable polymer 43 engraftment 42 prostate tissue 42 hematologic malignancies 42 bone marrow 42 transplantation 41 liposomal 41 mouse embryos 41 microsphere 41 RPE cells 41 stem cell transplantation 41 recombinant protein 41 allogeneic stem cell 41 ventricular assist device 41 allografts 41 reproducibly 41 stem cell therapies 41 short bowel syndrome 41 biodegradable polymers 40 peptides 40 HSCs 40 bone grafts 40 follicles 40 blastocyst 40 unfertilized egg 40 immunoglobulins 40 bioactive 40 Stem cells 40 tubules 40 immunogenic 40 hESCs 40 myocardium 40 thymus 40 Platelet 40 hydrogels 40 cryopreservation 40 ALN VSP 40 MultiStem 40 induced pluripotent stem cells 40 relapsed multiple myeloma 40 adenocarcinomas 40 Platelets 40 germ cells 40 diseased cells 40 iPS cells 39 biologically active 39 acute ischemic stroke 39 viral vector 39 noninvasively 39 biomaterial 39 Cytori 39 non invasively 39 TB4 39 spermatozoa 39 stem cell 39 pulmonary valve 39 platelets 39 iPS cell