Related by context. Frequent words. (Click for all words.) 82 cell 74 Cells 72 tumor cells 70 immune cells 68 lymphocytes 67 progenitor cells 67 proteins 66 epithelial cells 65 nerve cells 65 macrophages 65 monocytes 64 stem cells 64 mammalian cells 64 germ cells 64 fibroblasts 64 pancreatic cells 63 malignant cells 63 cancerous cells 63 diseased cells 63 ES cells 62 neural stem cells 62 tissues 62 islet cells 62 dendritic cells 62 endothelial cells 62 enzymes 61 cardiomyocytes 61 neurones 61 molecules 61 neurons 60 NK cells 60 tissue 60 motor neurons 60 glial cells 59 cell membrane 59 astrocytes 59 enzyme 59 molecule 59 mitochondria 58 cell membranes 58 yeast cells 58 mesenchymal stem cells 58 membranes 57 macrophage 57 neutrophils 57 proteases 57 autophagy 57 protein 57 thymus 57 signaling molecules 56 mutant mice 56 hair follicles 56 intracellular 56 receptors 56 bone marrow stem cells 56 melanocytes 56 organelles 56 membrane 56 transgenic mice 56 RNAs 56 cytokines 56 antibodies 56 photoreceptors 55 RNA molecules 55 vasculature 55 epithelium 55 messenger RNA 55 mice 55 pancreas 55 tumors 55 axons 55 signaling pathway 54 reactive oxygen species 54 DNA strands 54 cytoplasm 54 knockout mice 54 blood vessels 54 p# [001] 54 adipose tissue 53 pluripotent stem cells 53 epithelial 53 protein synthesis 53 signaling pathways 53 antigens 53 peptides 53 fluorescent protein 53 transcription factors 53 bacteria 53 membrane proteins 53 organisms 53 nanoparticles 53 genetically engineered mice 52 organism 52 nuclei 52 liposomes 52 receptor 52 neuron 52 cytokine 52 nerve fibers 52 microenvironment 52 Adult stem cells