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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Brain-derived neurotrophic factor rescues developing avian motoneurons from cell death.

During normal vertebrate development, about half of spinal motoneurons are lost by a process of naturally occurring or programmed cell death. Additional developing motoneurons degenerate after the removal of targets or afferents. Naturally occurring motoneuron death as well as motoneuron death after loss of targets or after axotomy can be prevented by in vivo treatment with putative target (muscle) derived or other neurotrophic agents. Motoneurons can also be prevented from dying in vitro and in vivo (Y.Q.-W., R.W., D.P., J. Johnson and L. Van Eldik, unpublished data and refs 7, 13, 14) by treatment with central nervous system extracts (brain or spinal cord) and purified central nervous system and glia-derived proteins. Here we report that in vivo treatment of chick embryos with brain-derived neurotrophic factor rescues motoneurons from naturally occurring cell death. Furthermore, in vivo treatment with brain-derived neurotrophic factor (and nerve growth factor) also prevents the induced death of motoneurons that occurs following the removal of descending afferent input (deafferentation). These data indicate that members of the neurotrophin family can promote the survival of developing avian motoneurons.[1]


  1. Brain-derived neurotrophic factor rescues developing avian motoneurons from cell death. Oppenheim, R.W., Yin, Q.W., Prevette, D., Yan, Q. Nature (1992) [Pubmed]
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