Related by context. Frequent words. (Click for all words.) 67 chimeras 63 iPSCs 60 Embryos 60 pluripotent cells 60 cloned embryos 59 Neu5Gc 59 SCNT 59 ES cells 58 somatic cell nuclear 58 germline 58 induced pluripotent stem iPS 58 somatic cell 58 iPS cells 58 transgenic animal 58 somatic cells 57 Therapeutic cloning 57 transgenic animals 57 cloned embryo 57 chimeric 57 stem cells 57 undifferentiated cells 57 genetic alteration 57 mutant genes 57 germ cells 57 embryo 56 protein fragment 56 Embryonic Stem Cells 56 genetic alterations 56 prion proteins 56 pluripotent stem cells 56 induced pluripotent stem cells 56 embryonic stem cells 56 fetal stem cells 56 embryos 55 embryonic cells 55 Adult stem cells 55 hESCs 55 extract stem cells 55 Transgenic 55 transgenic mouse 55 transgenic 55 imprinted genes 55 glycoproteins 55 Prions 55 genetically modified mice 54 ESCs 54 mutated genes 54 unfertilized egg 54 transgene 54 therapeutic cloning 54 PrP 54 herpes viruses 54 exosomes 54 genetic abnormalities 54 NKT cells 54 mesenchymal cells 53 iPS 53 iPS cell 53 mouse embryos 53 genetic defects 53 human embryos 53 tumorigenic 53 neural stem cell 53 genetically altered 53 chloroplasts 53 genetically engineered mice 53 IGF1 53 miRNAs 53 simian immunodeficiency virus 53 genetically engineered 53 genetic mutations 53 neural stem cells 52 transgenic mice 52 transgenics 52 gene splicing 52 mutant gene 52 hESC 52 receptor protein 52 oocytes 52 Bt toxin 52 Saccharomyces cerevisiae 52 lysozyme 52 genomic instability 52 pluripotency 52 nonhuman primates 52 xenotransplantation 52 aneuploidy 52 Mammalian 52 cloned stem cells 52 melanoma tumors 52 parthenogenesis 52 adult stem cells 52 reprogrammed cells 52 viral vectors 52 HSCs 52 c Myc 52 progenitor cell 52 embryonic 52 reproductive cloning 52 BRCA1 gene 51 bone marrow stem cells