Related by context. Frequent words. (Click for all words.) 47 mouse embryos 47 multicellular organisms 47 ES cells 47 Adult stem cells 46 pluripotent cells 45 neural stem cell 45 hESCs 45 germ cells 44 iPS cell 44 cultured cells 44 germline 43 reprogrammed cells 43 embryogenesis 43 somatic cell 43 genetically modified mice 43 HSCs 43 oligodendrocytes 43 GRNOPC1 43 pluripotent stem cells 43 cell transplantation 43 SCNT 43 stem cells 43 vitro 42 pancreases 42 pluripotent 42 aneuploidy 42 transgenic mice 42 somatic cells 42 embryonic cells 42 human neural stem 42 oocytes 42 nonhuman primates 42 ovulate 42 TTM = trailing 41 fertilized embryos 41 hESC 41 diploid 41 iPS cells 41 mesenchymal stem cells 41 hepatocytes 41 post operatively 41 RPE cells 41 embryonic stem cells 41 ovarian function 41 antithrombin 41 transgenic animals 41 induced pluripotent stem iPS 40 stem cell differentiation 40 cells 40 bone marrow stem cells 40 embryo transfers 40 cloned embryo 40 iPSCs 40 Median survival 40 transgenic plants 40 stem cells derived 40 cloned embryos 40 postoperatively 40 pancreatic cells 40 embryos 40 oocyte 40 islet transplantation 40 gestational 40 islet cells 40 spermatozoa 40 blastocysts 40 transgenic animal 39 parthenogenesis 39 bone marrow stem cell 39 female reproductive organs 39 neural stem cells 39 stem cell transplantation 39 IVF treatment 39 Embryonic stem cell 39 Supplementary Fig 39 implantation 39 Biopsies 39 IVF cycles 39 spontaneous abortions 39 embryo 39 Necropsies 38 retinal cells 38 DNA replication 38 gene splicing 38 adult stem cells 38 Stem cells 38 transplanted tissue 38 embryonic stem cell 38 ectopic 38 fertilization 38 stem cell 38 progenitor cell 38 hematopoietic stem cells 38 blastocyst 38 prenatally 38 menstruate 38 testes 38 gestation 38 neural tube 38 iPS 38 telomere