Related by context. Frequent words. (Click for all words.) 68 osteoclasts 64 progenitor cells 64 TGF beta 63 endothelial cells 62 germ cells 62 fibroblasts 61 epithelial cells 61 estrogen receptor 61 glial cells 61 estrogen receptors 60 pancreatic cells 60 proteins 60 monocytes 60 integrin 60 hematopoietic stem cells 59 transcription factor 59 transcription factors 59 T lymphocytes 59 skeletal muscle 58 nerve cells 58 immune cells 58 epithelium 58 plasma membrane 58 Akt 58 microglia 58 mutant mice 58 neural stem cells 57 protein synthesis 57 phosphorylation 57 overexpression 57 lymphocytes 57 endometrium 57 signaling pathway 57 knockout mice 57 epithelial 57 reactive oxygen species 57 tumor cells 56 collagen 56 muscle tissue 56 signaling molecules 56 androgens 56 neurogenesis 56 protein 56 endothelial 56 muscle fibers 56 ES cells 56 alpha synuclein 56 CXCR4 56 mammalian cells 55 transgenic mice 55 neurones 55 cytoskeleton 55 axons 55 tumor suppressor 55 tumor suppressor gene 55 angiogenic 55 mitochondria 55 enzyme 55 SIRT1 55 microenvironment 55 prostaglandins 55 deficient mice 55 elastin 55 mRNA 55 cardiomyocytes 55 NK cells 55 adiponectin 55 autoantibodies 55 autophagy 55 microtubules 55 insulin secretion 55 molecular pathways 55 mesenchymal stem cells 54 melanocytes 54 astrocytes 54 receptor 54 diabetic mice 54 macrophages 54 lymphocyte 54 intracellular 54 mRNAs 54 AMPK 54 actin 54 genetically engineered mice 54 cells 54 blood vessels 54 proteases 54 oncogenes 54 oncogene 54 chemokines 54 extracellular matrix 54 signaling pathways 54 macrophage 54 retinal cells 53 endothelium 53 p# [001] 53 telomerase 53 eosinophils 53 neurons 53 fusion protein 53 VEGF