期刊
CELLULAR AND MOLECULAR LIFE SCIENCES
卷 58, 期 8, 页码 1036-1044出版社
BIRKHAUSER VERLAG AG
DOI: 10.1007/PL00000918
关键词
neurotrophin; nervous system development; dorsal root ganglion; trophic; apoptosis
Neurotrophic factors are present in limiting quantities, and neurons that obtain an adequate supply of the required neurotrophic factor survive whereas those that compete unsuccessfully die. Analysis of null mutant mice for neurotrophins and Trk receptors as well as in vivo experiments in ovo in the chick applying exogenous neurotrophins or neutralising antisera have significantly increased knowledge of the roles they play during development. This review focuses on recent advances in understanding the various roles of neurotrophins in dorsal root ganglion sensory neuron development at different times in embryonic development - an early local role for differentiation of the sensory precursor cells and a later survival-promoting target-derived role for the mature neurons.
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