Related by context. Frequent words. (Click for all words.) 54 hepatocytes 52 ES cells 52 progenitor cells 51 peptides 51 mammalian cells 51 germ cells 50 mesenchymal stem cells 50 Peptides 49 cardiomyocytes 49 RNA molecules 49 hematopoietic stem cells 48 proteins 48 isoforms 48 neural stem cells 48 dendritic cells 48 plasma membrane 48 Antibodies 48 hESCs 48 pluripotent stem cells 47 transgenic mice 47 Receptors 47 liposomes 47 signaling molecules 47 RNAs 47 tumor cells 46 T lymphocytes 46 retinal cells 46 fibroblasts 46 Peptide 46 Cells 45 deficient mice 45 mutant mice 45 tissues 45 stem cells 45 lymphocytes 44 islet cells 44 monocytes 44 organelles 44 epithelial cells 44 intracellular 44 immune cells 44 membrane proteins 44 endothelial cells 44 malignant cells 44 cultured cells 44 cells 44 enzymes 44 diseased cells 43 pancreatic cells 43 bone marrow stem cells 43 molecules 43 NK cells 43 osteoblasts 43 glial cells 42 Neurons 42 tumor suppressor genes 42 nanocrystals 41 endothelial cell 41 Nanoparticle 41 neurones 41 Inhibition 41 Apoptosis 41 Pathogens 40 fibrils 40 macrophages 40 Embryos 40 Protein 40 Enzymes 40 Proteins 40 Adult stem cells 39 epithelium 39 Molecules 39 Compounds 39 yeast cells 39 astrocytes 39 Tumors 39 nerve cells 38 neurons 38 cancerous cells 38 Stem Cells 38 Nanoparticles 38 Molecule 37 photoreceptors 37 Stem cells 36 vesicles 36 Bacteria 35 membranes 35 Lesions 35 Mice 34 cell 34 Nanotubes 34 Platelets 34 Viruses 34 Mitochondria 34 Organisms 33 Genes 33 Solar Cells 30 Membrane 29 Particles 26 Kidneys 24 Cell