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Nature. 1991 Mar 21;350(6315):230-2.

BDNF is a neurotrophic factor for dopaminergic neurons of the substantia nigra.

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  • 1Regeneron Pharmaceuticals Inc., Tarrytown, New York 10591-6707.

Abstract

Brain-derived neurotrophic factor (BDNF), present in minute amounts in the adult central nervous system, is a member of the nerve growth factor (NGF) family, which includes neurotrophin-3 (NT-3). NGF, BDNF and NT-3 all support survival of subpopulations of neural crest-derived sensory neurons; most sympathetic neurons are responsive to NGF, but not to BDNF; NT-3 and BDNF, but not NGF, promote survival of sensory neurons of the nodose ganglion. BDNF, but not NGF, supports the survival of cultured retinal ganglion cells but both NGF and BDNF promote the survival of septal cholinergic neurons in vitro. However, knowledge of their precise physiological role in development and maintenance of the nervous system neurons is still limited. The BDNF gene is expressed in many regions of the adult CNS, including the striatum. A protein partially purified from bovine striatum, a target of nigral dopaminergic neurons, with characteristics apparently similar to those of BDNF, can enhance the survival of dopaminergic neurons in mesencephalic cultures. BDNF seems to be a trophic factor for mesencephalic dopaminergic neurons, increasing their survival, including that of neuronal cells which degenerate in Parkinson's disease. Here we report the effects of BDNF on the survival of dopaminergic neurons of the developing substantia nigra.

PMID:
2005978
[PubMed - indexed for MEDLINE]

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