Related by context. Frequent words. (Click for all words.) 68 cardiomyocytes 68 mammalian cells 67 transfection 66 fibroblasts 65 knockout mice 65 hematopoietic stem cells 65 cultured cells 64 progenitor cells 64 ES cells 64 islet cells 63 murine 62 endothelial cells 62 mesenchymal stem cells 62 oocytes 62 neural stem cells 61 deficient mice 61 CXCR4 61 transgenic mice 61 overexpression 61 MSCs 61 hematopoietic stem cell 61 ex vivo 60 hESCs 60 endothelial 60 mouse embryos 60 isoforms 60 oocyte 60 recombinant protein 60 fusion protein 60 lymphocytes 60 engraftment 60 monocytes 59 cytokine 59 tumor cells 59 germ cells 59 proteins 59 skeletal muscle 59 CD# + [002] 59 retinal cells 59 leukocytes 59 bone marrow stem cells 59 neutrophils 59 endothelial cell 58 mutant mice 58 cAMP 58 mRNA 58 exon 58 phenotype 58 oligodendrocytes 58 hepatic 58 pancreatic cells 58 proteases 58 gene encoding 58 protein 58 epithelial cells 58 adipocytes 58 cells 57 cytotoxicity 57 CD# [002] 57 antigen 57 macrophages 57 epithelial 57 cysteine 57 peptides 57 stem cells 57 enzyme 57 neutrophil 57 recombinant proteins 57 mRNAs 57 intracellular 57 zebrafish 57 GM CSF 56 vivo 56 tumor suppressor gene 56 phosphorylation 56 lymphocyte 56 recombinant 56 antibodies 56 NK cells 56 chemotherapeutic agents 56 immune cells 56 apoptotic 56 endogenous 56 cytotoxic 56 dystrophin 56 ligand 56 TGF beta 56 dendritic cells 56 angiogenic 56 vasculature 56 Akt 55 diabetic mice 55 inactivating 55 siRNAs 55 autophagy 55 thymus 55 caspase 55 pluripotent stem cells 55 antibody 55 interferon 55 adipose tissue