Related by context. Frequent words. (Click for all words.) 74 Stem cells 70 stem cells 69 Embryonic stem cells 67 adult stem cells 66 embryonic stem cells 64 ES cells 64 pluripotent stem cells 63 bone marrow stem cells 61 embryonic cells 60 iPS cells 58 induced pluripotent stem cells 58 islet cells 58 neural stem cells 57 stem cells derived 57 hematopoietic stem cells 57 progenitor cells 56 Embryonic stem cell 56 Cord blood 55 insulin producing 55 Stem cell 55 hESCs 54 mesenchymal stem cells 54 pancreatic cells 54 germ cells 53 stem cell 53 stem cell transplants 53 pluripotent 53 retinal cells 53 Embryos 53 hepatocytes 52 stem cell therapies 52 grafts 52 tissues 52 mammalian cells 52 oocytes 52 immune cells 52 cells 52 diseased cells 51 stem cell transplantation 51 fibroblasts 51 tumor suppressor genes 51 cardiomyocytes 51 mouse embryos 51 stem cell therapy 50 cloned embryos 50 human embryos 50 embryos 50 tumors 50 pluripotency 50 transplantation 50 therapies 49 genetic alterations 49 nerve cells 49 therapeutically 49 pancreatic 49 adipose tissue 49 lung tumors 49 blastocysts 49 connective tissues 49 tumor cells 49 dopamine producing 49 immunosuppressive drugs 49 MSCs 48 gene therapy 48 mutant mice 48 diseased tissue 48 genetic abnormalities 48 adult stem cell 48 NK cells 48 SCNT 48 degenerative diseases 48 bone marrow transplantation 48 embryo 48 destroying embryos 48 vasculature 48 malignant cells 48 tissue 48 Bone marrow 48 ovarian tissue 48 follicles 47 Bariatric surgery 47 malignant tumors 47 zebrafish 47 cultured cells 47 immune suppression 47 hair follicles 47 somatic cell nuclear 47 Clinical trials 47 Folic acid 47 Carbon nanotubes 47 Tumors 47 diabetic mice 47 bone marrow transplants 47 thymus 47 transgenic mice 47 bone marrow 47 Platelets 47 genetically engineered mice 47 therapeutic cloning 46 photoreceptors 46 human neural stem