Related by context. Frequent words. (Click for all words.) 68 progenitor cells 67 neural stem cells 67 oocytes 66 pancreatic cells 66 hematopoietic stem cells 66 mammalian cells 65 ES cells 64 fibroblasts 64 proteins 64 cells 63 yeast cells 63 melanocytes 63 neurones 63 tumor cells 62 stem cells 62 osteoblasts 62 nerve cells 62 testis 62 retinal cells 62 epithelial cells 62 testes 62 glial cells 62 signaling molecules 61 thymus 61 T lymphocytes 61 methylation 61 pluripotent stem cells 61 estrogen receptor 61 neurogenesis 60 androgens 60 microglia 60 genes 60 astrocytes 60 alpha synuclein 60 follicles 60 mRNAs 60 genetic alterations 60 cytoplasm 60 protein synthesis 60 oncogenes 59 monocytes 59 lymphocytes 59 neurons 59 iPS cells 59 miRNAs 59 tumor suppressor gene 59 signaling pathway 59 mitochondria 59 mutations 59 ovaries 59 RNA molecules 59 motor neurons 59 mitosis 59 chromosomes 59 organelles 59 ovary 59 cardiomyocytes 59 transgenic mice 59 mutant mice 58 mesenchymal stem cells 58 RNAs 58 TGF beta 58 islet cells 58 endometrium 58 prolactin 58 photoreceptors 58 knockout mice 58 dendritic cells 58 malignant cells 57 hair follicles 57 immune cells 57 endothelial cells 57 adiponectin 57 cancerous cells 57 CXCR4 57 genetically engineered mice 57 embryo 57 adipose tissue 57 transcription factors 57 messenger RNA 56 pluripotent 56 phenotype 56 nuclei 56 hormone estrogen 56 zebrafish 56 prostaglandins 56 signaling pathways 56 epithelium 56 gene expression 56 protein 56 phosphorylation 56 proteases 56 C. elegans 56 reactive oxygen species 56 mutation 55 axons 55 NK cells 55 bone marrow stem cells 55 sperm 55 epigenetic 55 gene