Related by context. Frequent words. (Click for all words.) 63 stem cells derived 62 stem cells 60 cloned embryo 57 stem cell 56 cloned embryos 56 embryonic stem cells 55 embryos 55 bone marrow stem cells 55 adult stem cells 52 human embryos 52 embryonic cells 52 ovarian tissue 52 therapeutic cloning 51 Adult stem cells 51 umbilical cords 51 blastocysts 51 stem cell therapy 51 embryo 50 mouse embryos 50 iPS cells 50 reprogrammed cells 50 SCNT 49 cell transplantation 49 fetal tissue 49 umbilical cord blood 48 blastocyst 48 tissue 48 fertilized embryos 48 iPSCs 48 pluripotent stem cells 48 Embryos 47 human embryonic stem 47 destroying embryos 47 stem cell therapies 47 adult stem cell 47 mouse embryonic stem 47 ES cells 47 fertilized eggs 47 ESCs 47 somatic cell nuclear 47 Cord blood 47 islet cells 47 oocytes 47 vitro fertilization IVF 47 fertility clinics 47 transplantations 46 induced pluripotent stem cells 46 cord blood 46 bone marrow derived 46 vitro fertilization 46 insulin producing 46 hESCs 46 IVF treatment 45 Embryology Authority HFEA 45 transplanting 45 neural stem cells 45 Stem cells 45 diabetic mice 45 Mesoblast 45 hESC 45 undergoing IVF 45 pancreatic cells 45 embryonic stem cell 44 regenerative medicine 44 Embryonic stem cells 44 transplantation 44 ex vivo 44 Embryology Authority 44 allogeneic 44 mesenchymal stem cells 44 iPS 44 cloning 44 human neural stem 44 frozen embryos 44 gene therapy 44 Stem Cells 44 Nature Biotechnology 44 transgenic animals 44 gene expression profiling 44 placentas 43 HFEA 43 stem cell transplantation 43 stem cell research 43 grafts 43 gene expression patterns 43 bone marrow transplantation 43 IVF 43 fertility treatments 43 ovary 42 gene expression profiles 42 bioengineered 42 biomaterial 42 autologous 42 Stem cell 42 Wilmut 42 culturing 42 implanting 42 Stem Cell 42 germ cells 42 diseased tissue 42 Human Fertilisation