Related by context. Frequent words. (Click for all words.) 67 Embryonic stem cell 66 SCNT 64 therapeutic cloning 63 Stem cell 59 embryonic stem cells 58 human embryos 58 stem cell therapies 58 adult stem cells 58 somatic cell nuclear 58 reproductive cloning 58 human reproductive cloning 58 Adult stem cells 57 extract stem cells 57 stem cells 56 unused embryos 56 curing diseases 56 pluripotent cells 56 stem cell research 56 cloned embryo 55 cloned embryos 55 transgenic animals 55 induced pluripotent stem iPS 55 stem cell 55 extracting stem cells 55 embryonic stem cell 55 Personalized medicine 55 cell transplantation 55 iPS 54 Adult Stem Cell 54 iPS cell 54 xenotransplantation 54 stem cell therapy 54 stem cells derived 54 pluripotent stem cells 53 embryo 53 Adult Stem Cells 53 adult stem cell 53 fetal stem cells 53 cloned stem cells 53 destroying embryos 53 Cloning 53 Stem Cell Biology 53 regenerative medicine 52 stem cell biology 52 ethically acceptable 52 embryonic cells 52 gene therapy 52 iPSCs 52 Wilmut 52 Cord blood 52 embryos 51 hESC 51 umbilical cord stem cells 51 human cloning 51 Embryonic Stem Cells 51 pre implantation genetic 51 human embryonic stem 51 iPS cells 51 Embryos 51 cloning 51 ES cells 51 RNA interference 51 fertilized embryos 51 leftover embryos 50 ESCs 50 induced pluripotent stem cells 50 Embryology Act 49 unfertilized egg 49 ESCR 49 islet transplantation 49 transgenic mouse 49 Stemedica 49 Stem Cell Research 49 genetic modification 49 fetal tissue 49 Embryonic stem cells 49 exon skipping 49 HemoTech 49 artificial cornea 49 Lifesaving Cures 48 assisted reproduction 48 optical biosensors 48 Umbilical cord blood 48 Embryo 48 theranostics 48 Organ donation 48 Human Embryonic Stem 48 neural stem cell 48 Carbon sequestration 48 Male circumcision 48 reprogrammed cells 48 Stem cells 48 Embryology Authority HFEA 48 bone marrow stem cells 48 anticancer therapy 48 RNA interference RNAi 48 IVF 48 infertile couples 48 Everolimus 48 antiviral therapies 48 Amgen discovers develops manufactures