Related by context. Frequent words. (Click for all words.) 52 Kriegstein 50 cloned stem cells 49 reproductive biology 48 zebra fish 48 Mitalipov 48 reproductive physiology 47 developmental biologist 47 Nayernia 47 Babraham Institute 46 Kinki University 46 Genetic modification 45 laboratory experiments 45 Wurtman 45 zebrafish embryos 45 Talalay 45 nematode worms 45 embryo 44 optogenetics 44 Wilmut 44 nonhuman primate 44 Prusiner 44 Therapeutic cloning 44 Lee Byeong chun 44 Trounson 44 microbial ecology 44 cultured cells 43 transgenic mouse 43 biomimetics 43 asexual reproduction 43 genetically modifying 43 cloned pigs 43 neural cells 43 umbilical cord stem cells 43 IVF embryos 43 gamete 42 Gerald Schatten 42 mouse embryo 42 oocytes 42 vom Saal 42 experiments 42 photochemistry 42 biotechnologists 42 O'Rand 42 humans 42 Deisseroth 42 ovarian stimulation 42 embryologist 42 neural crest cells 42 transgenic animal 42 iPSC 42 transgenic animals 41 vertebrate animals 41 HHMI investigator 41 embryonic cells 41 iPS cell 41 Nicolelis 41 Jaenisch 41 artificial fertilization 41 mouse embryos 41 Woo Suk Hwang 41 molecular virology immunology 41 bioengineer 41 rhesus macaque monkeys 41 embryos 41 Vosshall 41 induced pluripotent stem cell 41 roboticist 41 pancreatic tissue 40 iPSCs 40 nanotechnological 40 tube fertilization 40 nanosensor 40 andrology 40 genetics 40 cell transplantation 40 genetically modified mice 40 nanobacteria 40 Hertz Picciotto 40 methylation patterns 40 Caenorhabditis elegans 40 embryo implantation 40 stem cells harvested 40 Hwang Woo Suk 40 Pusztai 40 genetically altered mice 40 frozen thawed 39 IVF ICSI 39 bioengineers 39 nonhuman primates 39 cloned embryonic stem 39 fibroblast cells 39 vitrification 39 stem cells extracted 39 cloning 39 iPS cells 39 genetic manipulations 39 Xenopus 39 stem cell differentiation 39 kisspeptin 39 Dumesic 39 Artificial insemination