Related by context. Frequent words. (Click for all words.) 74 insulin producing 68 stem cells 66 bone marrow stem cells 66 pancreas 65 neural stem cells 64 ES cells 62 oocytes 62 cells 62 tumor cells 62 pluripotent stem cells 61 mesenchymal stem cells 61 progenitor cells 60 immune cells 60 islet cell 59 lymphocytes 59 adult stem cells 59 fibroblasts 59 bone marrow 59 antibodies 58 NK cells 58 germ cells 58 endothelial cells 57 platelets 57 adipose tissue 57 dendritic cells 57 diseased cells 57 mammalian cells 56 ex vivo 56 transgenic mice 56 insulin 56 motor neurons 55 iPS cells 55 MSCs 55 macrophages 55 thymus 55 knockout mice 55 tissue 54 blood vessels 54 liver 54 cancerous cells 54 monocytes 54 vasculature 54 skeletal muscle 54 proteins 53 malignant cells 53 neutrophils 53 nerve cells 53 induced pluripotent stem cells 53 autologous 53 tissues 53 transplantation 53 enzymes 52 donor organs 52 ovary 52 embryonic cells 52 epithelial cells 52 embryos 52 blood platelets 52 cytokine 52 leptin 51 neurons 51 autophagy 51 muscle tissue 51 mice 51 enzyme 51 kidneys 51 cloned embryos 51 prions 51 embryonic stem cells 51 grafts 51 GVHD 51 mitochondria 51 stem cell transplantation 50 immunosuppression 50 protein 50 ovarian tissue 50 tumors 50 adiponectin 50 follicles 50 CD4 + T 50 antigens 50 photoreceptors 50 embryo 50 GM CSF 50 reactive oxygen species 50 G CSF 49 platelet 49 ovaries 49 autoimmune 49 angiogenic 49 livers 49 apoptosis 49 zebrafish 49 astrocytes 49 nitric oxide 49 hair follicles 49 stem cell transplants 49 miRNAs 49 allograft 49 Stem cells 49 antibody