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Neuroreport. 1993 Jul;4(7):895-8.

The induction of LTP increases BDNF and NGF mRNA but decreases NT-3 mRNA in the dentate gyrus.

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1
Department of Neurochemistry, Max Planck Institute for Psychiatry, Martinsried, Germany.

Abstract

We have investigated the expression of the mRNAs for brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), neurotrophin-3 (NT-3) and neurotrophin-4 (NT-4) in the hippocampus before and after induction of long term potentiation (LTP) of synaptic transmission in the dentate gyrus through stimulation of the perforant path (PP). A unilateral PP stimulation produced a bilateral increase in the mRNA for both BDNF and NGF in granular neurones of the dentate gyrus but not in other neurones in the hippocampus. The mRNA for neurotrophin-3 (NT-3) was bilaterally decreased by LTP but that of NT-4 remained at the basal level. These results suggest that individual neurotrophic factors may play different roles in neuronal plasticity.

[Indexed for MEDLINE]

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