Related by context. Frequent words. (Click for all words.) 56 regrow 55 diseased tissues 55 neural cells 54 cell transplantation 54 retinal pigment epithelium 54 regenerative therapies 53 neovascularization 53 damaged spinal cords 53 extract stem cells 52 nerve regeneration 52 bone marrow derived 52 stem cells 52 neurotrophic factors 51 stromal cells 51 atherosclerotic plaques 51 collagen matrix 51 cells hESCs 51 collagenase 51 intestinal tissue 51 pancreatic tissue 51 neural tissue 51 retinal cells 50 autologous bone marrow 50 wound healing 50 noninvasive imaging 50 mesenchymal cells 50 intervertebral disc 50 PLX cells 50 fibroblast cells 50 dissolve blood clots 50 implanted electrodes 50 remyelination 50 hematopoietic cells 50 smaller incisions 50 stem cells harvested 50 fatty plaques 50 transplanted stem cells 49 bone marrow stem cells 49 optogenetics 49 gastrointestinal GI tract 49 oligodendrocytes 49 blood vessels 49 degenerative disorders 49 therapeutically 49 biocompatible 49 teratomas 49 lymph vessels 49 peripheral nerves 49 RPE cells 49 myoblasts 49 tissue grafts 49 amyloid proteins 49 adult stem cells 49 neuro imaging 49 hES cells 49 applied topically 49 molecular biomarkers 49 atherosclerotic disease 49 regenerative medicine 48 bone grafts 48 muscles tendons 48 unfertilized human 48 bone marrow stem cell 48 tissue 48 androgen receptors 48 Nerve cells 48 PlGF 48 fetal stem cells 48 induced pluripotent stem iPS 48 progenitor cells 48 vasodilator 48 neuroprotection 48 physiologically relevant 48 multiple simultaneous immunological 48 immune suppressing 48 fibroblasts 48 Parkinson disease Alzheimer disease 48 BH4 48 Tβ4 48 secrete insulin 48 TB4 48 metabolically active 48 tissues 48 soft tissue 48 autologous cell 48 pluripotent cells 48 Scar tissue 48 muscular dystrophies 48 neuroinflammation 48 peripheral nerve 48 bones joints 48 transgenic mouse 47 fertilize eggs 47 microcirculation 47 endothelial progenitor cells 47 islet cells 47 tissue regeneration 47 electrical conduction 47 diseased arteries 47 embryo implantation 47 ischemic