Related by context. Frequent words. (Click for all words.) 69 somatic cell nuclear 66 SCNT 62 extract stem cells 61 cloning 61 therapeutic cloning 61 Therapeutic cloning 59 cloned embryos 59 cloned embryo 58 somatic cell 58 induced pluripotent stem iPS 57 reproductive cloning 57 extracting stem cells 57 unfertilized human 56 parthenogenesis 56 cloned stem cells 56 Cloning 55 unfertilized egg 55 hES cells 55 transgenic animals 55 teratomas 55 embryonic cells 54 ESCs 54 stem cells derived 54 human cloning 54 somatic cells 54 embryonic stem cells 53 iPS 53 Embryonic Stem Cells 53 human reproductive cloning 53 human embryos 53 pluripotent stem cells 53 fetal stem cells 53 Artificial insemination 53 pluripotent cells 53 embryo 53 optical biosensors 52 stem cells 52 preimplantation genetic diagnosis 52 cell transplantation 52 ES cells 52 cryopreserved 52 induced pluripotent stem cells 52 Affymetrix GeneChip R 51 iPS cells 51 stem cell 51 hESC 51 hESCs 51 pluripotent stem cell 51 embryos 51 electrospinning 51 iPS cell 51 destroying embryos 51 biosynthetic 50 Ian Wilmut 50 iPSCs 50 transgenic mouse 50 short interfering RNA 50 Embryology Act 50 homologous recombination 50 transgenic animal 50 stem cell differentiation 50 cells hESCs 50 autologous cell 49 mouse embryos 49 Regenerative medicine 49 Autologous 49 blastocyst stage 49 fertilized embryos 49 recombinant DNA 49 cloned Dolly 49 cloned sheep 49 DNA amplification 49 embryo cloning 49 regenerative medicine 49 adult stem cells 49 formalin fixed paraffin embedded 48 oocytes 48 Human Embryonic Stem 48 cloned 48 nanofabrication 48 lentivirus 48 Caenorhabditis elegans 48 Embryonic stem cell 48 chimeras 48 Adult Stem Cells 48 Rudolf Jaenisch 48 pre implantation genetic 48 gene expression profiling 48 blastocysts 48 Tissue Engineering 48 xenotransplantation 47 pluripotent 47 microfabrication 47 embryonic 47 assisted reproduction 47 neural stem cell 47 PER.C6 47 Implantation 47 ethically acceptable 47 phenotyping 47 exon skipping