Related by context. Frequent words. (Click for all words.) 68 pancreatic tissue 67 neural progenitor cells 66 skeletal muscle cells 64 neural tissue 64 neural cells 63 mesenchymal stem cells MSCs 62 stem progenitor cells 62 retinal pigment epithelium 62 Fibroblasts 61 motor neurones 60 vascularized 60 retinal tissue 60 replicative 59 Sertoli cells 58 sensory receptors 58 insulin secreting cells 58 neural crest cells 58 fibroblast cells 58 cells hESCs 58 neuromuscular junction 58 myelin sheaths 58 Cysts 58 retinal cells 57 mutant proteins 57 myoblasts 57 neurone 57 transplanted stem cells 57 Nerve cells 57 intestinal tissue 57 cell transplantation 57 myocytes 57 neovascularization 57 nitric oxide synthase 57 endocrine glands 57 blastema 57 basal cells 57 placental tissue 57 diseased tissues 57 spermatogonial stem cells 57 extracellular matrix ECM 57 teratomas 57 experimentally induced 57 hematopoietic blood 56 Wnt signaling pathway 56 bodily tissues 56 intervertebral discs 56 Genetic mutations 56 erythrocytes 56 elastic fibers 56 hematopoietic cell 56 amyloid proteins 56 epithelia 56 Endometrial 56 chondrocytes 56 RPE cells 56 hematopoiesis 56 oligodendrocytes 56 naturally occurring enzyme 56 opsin 56 PTEN gene 56 methylation patterns 56 photoreceptor cells 56 collagenase 56 explants 56 tubule 56 Borrelia 56 pituitary tumors 56 stem cells 56 mesenchymal cells 55 teratoma 55 hematopoietic cells 55 outer membranes 55 erectile tissue 55 motor neuron 55 cortical neurons 55 da mage 55 mutant mouse 55 neuro degenerative diseases 55 retinal nerve 55 cells secrete 55 osteoblast 55 electrical conduction 55 BRAF gene 55 gastrointestinal tracts 55 neural crest 55 tumorous 55 innervation 55 regrows 55 tendons ligaments 55 scavenger cells 55 nematode worms 55 regrowing 55 bacterial enzyme 55 embryological 55 hES cells 55 endometrial tissue 55 RNA splicing 55 stem cell differentiation 55 Regenerative medicine 55 mammalian brain 55 arteries veins