Related by context. Frequent words. (Click for all words.) 70 germ cells 67 stem cells 67 ES cells 65 neural stem cells 64 pluripotent stem cells 64 progenitor cells 64 mouse embryos 64 somatic cells 63 oocytes 63 hematopoietic stem cells 62 oocyte 61 iPSCs 61 stromal cells 61 fibroblasts 61 hESCs 61 HSCs 61 pluripotency 60 neuronal cells 60 progenitor cell 60 cultured cells 60 induced pluripotent stem cells 60 oligodendrocytes 59 bone marrow stem cells 59 NKT cells 59 pluripotent 59 iPS cells 59 pancreatic cells 59 neural stem cell 59 cardiomyocytes 58 leukemic cells 58 Adult stem cells 57 mouse embryonic stem 57 mesenchymal stem cells 57 blastocyst 57 NK cells 57 mammalian cells 57 stem cell differentiation 56 glial cells 56 hepatocytes 56 aromatase 56 reprogrammed cells 56 genetically modified mice 56 cells 56 chondrocytes 56 retinal cells 56 embryonic stem cells 56 transgenic plants 56 RPE cells 55 ovarian function 55 cloned embryo 55 islet cells 55 bone marrow derived 55 iPS cell 55 germline 55 Embryonic stem cells 55 mycobacteria 55 thymus 55 fibroblast 54 microenvironment 54 embryonic cells 54 chloroplasts 54 regulate gene expression 54 small RNAs 54 STAT3 54 Wolbachia 54 T lymphocytes 54 transgenic mice 54 cell transplantation 54 ex vivo 54 integrins 54 blastocysts 54 B lymphocytes 54 keratinocytes 54 tumor cells 54 adult stem cells 54 osteoblasts 54 telomerase 54 embryo 54 spermatozoa 54 mammary gland 54 astrocytes 54 C. elegans 53 glia 53 prostate tissue 53 hematopoietic 53 exosomes 53 induced pluripotent stem iPS 53 zebrafish 53 Zebrafish 53 miRNAs 53 cloned embryos 53 CXCR4 53 testis 53 Stem cells 53 dendritic cells 53 diploid 53 TGF beta 53 steroid hormones 53 transgenic 53 microglia 53 astrocyte