Related by context. Frequent words. (Click for all words.) 77 rats 74 mutant mice 72 knockout mice 71 transgenic mice 69 Mice 67 genetically engineered mice 64 rodents 63 rhesus monkeys 63 diabetic mice 62 neurons 62 fruit flies 60 neurones 60 leptin 59 mouse 58 yeast cells 58 monkeys 58 astrocytes 58 zebrafish 58 ES cells 58 BDNF 57 C. elegans 57 retinal cells 56 hamsters 56 lab rats 56 mammalian cells 56 nerve cells 55 neural stem cells 55 cardiomyocytes 55 cells 55 immune cells 55 neurogenesis 55 tumor cells 55 fibroblasts 54 receptor 54 germ cells 54 macrophages 54 receptors 54 GDNF 54 phenotype 54 proteins 54 SIRT1 54 pancreatic cells 54 microglia 54 enzyme 54 NK cells 53 endothelial cells 53 p# [001] 53 ghrelin 53 vivo 53 protein 53 adenovirus 53 inhibitory 53 overexpression 53 gene 52 macrophage 52 bone marrow stem cells 52 rapamycin 52 glucocorticoids 52 monocytes 52 rodent 51 Drosophila 51 neuronal 51 intracellular 51 glutamate 51 progenitor cells 51 dendritic cells 51 macaques 51 TGF beta 51 islet cells 51 Akt 51 antibodies 51 lymphocytes 51 estradiol 50 mutant 50 gerbils 50 peptides 50 tadpoles 50 adiponectin 50 tumor suppressor gene 50 signaling pathway 50 T lymphocytes 50 testes 50 caspase 50 mammalian 50 caloric restriction 50 motor neurons 50 miR 50 genes 50 acetylcholine 50 iPS cells 50 immune responses 50 mutations 50 osteoblasts 50 allele 49 mutated gene 49 mesenchymal stem cells 49 larvae 49 mutants 49 proteases 49 protein synthesis 49 inhibition