Related by context. Frequent words. (Click for all words.) 66 islet cells 62 pancreatic cells 61 livers 60 kidneys 59 bone marrow stem cells 58 pancreas 58 hematopoietic stem cells 58 stem cells 58 mouse embryos 56 liver 56 insulin producing 55 diabetic mice 55 bone marrow 55 thymus gland 55 ES cells 55 oocytes 54 Adult stem cells 54 islet transplantation 53 tissue samples 53 HSCs 53 allogeneic 53 stromal cells 53 marrow 53 hepatocytes 53 organs 53 Kidneys 52 Factor VIII 52 mesenchymal stem cells 52 transplantations 52 kidney 52 lymphocytes 52 neural stem cells 52 oligodendrocytes 52 dystrophin 52 diseased 51 tissue transplants 51 genetically modified mice 51 transgenic mice 51 grafts 51 adult stem cells 51 transplantation 51 hematopoietic 51 iPSCs 50 NKT cells 50 genetic defect 50 Embryos 50 skeletal muscles 50 somatic cells 50 prion disease 50 mice genetically engineered 50 tissues 50 tissue 50 ex vivo 50 plasma proteins 50 pulmonary valve 50 genetically engineered mice 50 ovary 50 gene sequences 50 islet cell 50 Tissue samples 50 retinal cells 50 mutated genes 50 fetal tissue 50 pluripotent stem cells 50 ferritin 50 reprogrammed cells 49 retrovirus 49 progenitor cells 49 cell transplantation 49 pancreatic 49 defective gene 49 dilated cardiomyopathy 49 ovaries 49 autologous 49 cultured cells 49 antibodies 49 embryos 49 transplants 49 prions 49 NK cells 49 corneas 49 mutant mice 49 ovarian tissue 49 cerebrospinal fluid 49 transplanted organ 49 blood platelets 48 platelets 48 donor organs 48 spinal cords 48 germ cells 48 oocyte 48 skeletal muscle 48 bone marrow transplants 48 lung transplants 48 kidneys liver 48 bone marrow derived 48 prion protein 48 metastatic tumors 48 fibroblasts 48 prion diseases 48 iPS cells