Related by context. Frequent words. (Click for all words.) 63 hematopoietic cells 63 hES cells 63 pancreatic tissue 62 neural cells 62 mononuclear cells 62 stem cells 61 induced pluripotent stem cell 61 stem cells harvested 60 basal cells 60 fibroblast cells 60 teratoma 60 retinal pigment epithelium 60 mesenchymal cells 60 somatic cells 60 oocyte 60 undifferentiated cells 59 gamete 59 genetic manipulations 59 teratomas 59 multipotent 59 cells hESCs 59 chondrocytes 59 tubules 59 pluripotent cells 58 endothelial progenitor cells 58 embryonic stem ES 58 endoderm 58 centrosomes 58 neural tissue 58 gametes 58 mesoderm 58 tissue 58 unfertilized eggs 58 Tumor cells 58 zygotes 58 myoblasts 58 stromal cells 58 fetal tissue 58 ribonucleic acid RNA 58 epididymis 58 Adult stem cells 58 unfertilized egg 57 flatworms 57 female reproductive tract 57 iPSC 57 diseased tissues 57 epithelia 57 transfer SCNT 57 hESC lines 57 extract stem cells 57 neuromuscular junction 57 proteasomes 57 intestinal tissue 56 adipose fat 56 RBCs 56 pancreatic islets 56 erythrocytes 56 amyloid fibrils 56 chromatin structure 56 porphyrins 56 collagen fibers 56 ESCs 56 oocytes 56 Therapeutic cloning 56 pancreases 56 fetal stem cells 56 umbilical cord stem cells 56 Caenorhabditis elegans 56 tissue grafts 56 nanobacteria 56 neovascularization 56 infectious prions 56 pluripotent stem cell 56 peritoneal cavity 56 motile 56 transgenic mouse 56 tissues 55 Neu5Gc 55 cells 55 pluripotent stem cells 55 ES cells 55 mouse embryos 55 progenitor cell 55 Langerhans cells 55 imprinted genes 55 biosynthetic 55 unfertilized human 55 Treg cells 55 hematopoietic cell 55 vasculature 55 human parthenogenetic stem 55 cell transplantation 55 osteoblast 55 neural crest 55 embryo 55 biogenesis 55 hematopoiesis 55 transplanted tissue 55 somatic cell 55 AMPA receptors 55 T lymphocyte