Related by context. Frequent words. (Click for all words.) 72 iPS cells 71 iPS 68 ES cells 64 stem cells 63 stem cell 63 induced pluripotent stem cells 63 pluripotent stem cells 62 hESCs 60 SCNT 60 embryonic stem cells 59 hematopoietic stem cells 59 embryonic cells 58 transgenic mice 58 neural stem cells 58 adult stem cells 58 bone marrow stem cells 58 oocytes 57 pluripotent 57 germ cells 57 hepatocytes 57 cultured cells 56 cloned embryos 56 mouse embryos 56 mesenchymal stem cells 56 pluripotency 55 microRNAs 55 transfection 55 miRNAs 55 mammalian cell 55 mammalian cells 55 miRNA 54 cardiomyocytes 54 oocyte 54 gene expression profiling 54 p# gene 54 islet cells 54 progenitor cells 54 adult stem cell 54 zebrafish 54 knockout mice 54 genetic abnormalities 53 retinal cells 53 transgenic 53 genetically engineered mice 53 gene therapy 53 engraftment 53 telomerase 53 therapeutic cloning 53 gene silencing 53 RNA interference 53 antisense 52 tumor suppressor gene 52 RNA interference RNAi 52 stem cell biology 52 antibody 52 stem cell therapies 52 regenerative medicine 52 somatic cell nuclear 52 blastocysts 52 siRNA 52 microarray 51 stem cell transplantation 51 flow cytometry 51 blastocyst 51 embryo 51 CXCR4 51 mutant mice 51 endothelial cells 51 siRNAs 51 monoclonal antibodies 51 retrovirus 51 human embryonic stem 51 microRNA 51 zebra fish 51 NK cells 51 Adult stem cells 51 DNA sequencing 51 epigenetics 51 TGF beta 50 Stem Cell 50 oncogenes 50 embryos 50 RNA molecules 50 mtDNA 50 recombinant DNA 50 stem cells derived 50 tumor cells 50 human neural stem 50 membrane proteins 50 HDAC inhibitors 50 small RNAs 50 vitro 50 oligodendrocytes 50 C. elegans 50 tumor suppressor genes 50 gene sequences 50 meiosis 49 DNA methylation 49 genomic 49 chromosomal abnormalities 49 gene expression