Neuroprotective effects of phenylbutyrate against MPTP neurotoxicity

There is increasing evidence that administration of histone deacetylase (HDAC) inhibitors can exert neuroprotective effects by a variety of mechanisms. Phenylbutyrate is a well-known HDAC inhibitor, which increases gene transcription of a number of genes, and also exerts neuroprotective effects. The...

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Veröffentlicht in:Neuromolecular medicine 2004-01, Vol.5 (3), p.235-242
Hauptverfasser: Gardian, Gabriella, Yang, Lichuan, Cleren, Carine, Calingasan, Noel Y, Klivenyi, Peter, Beal, M Flint
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container_end_page 242
container_issue 3
container_start_page 235
container_title Neuromolecular medicine
container_volume 5
creator Gardian, Gabriella
Yang, Lichuan
Cleren, Carine
Calingasan, Noel Y
Klivenyi, Peter
Beal, M Flint
description There is increasing evidence that administration of histone deacetylase (HDAC) inhibitors can exert neuroprotective effects by a variety of mechanisms. Phenylbutyrate is a well-known HDAC inhibitor, which increases gene transcription of a number of genes, and also exerts neuroprotective effects. These include several antioxidant enzymes, chaperones, and genes involved in cell survival. We examined whether administration of phenylbutyrate could exert significant neuroprotective effects against 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), which has been used to model Parkinson's disease. Administration of phenylbutyrate significantly attenuated MPTP-induced depletion of striatal dopamine and loss of tyrosine hydroxylase-positive neurons in the substantia nigra. These findings provide further evidence that administration of phenylbutyrate may be a useful approach for the treatment of neurodegenerative diseases.
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subjects 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine - antagonists & inhibitors
Animals
Brain - drug effects
Brain - enzymology
Brain - physiopathology
Corpus Striatum - drug effects
Corpus Striatum - metabolism
Corpus Striatum - physiopathology
Disease Models, Animal
Dopamine - metabolism
Histone Deacetylase Inhibitors
Histone Deacetylases - metabolism
Immunohistochemistry
Mice
Neuroprotective Agents - pharmacology
Neuroprotective Agents - therapeutic use
Parkinson's disease
Parkinsonian Disorders - drug therapy
Parkinsonian Disorders - metabolism
Parkinsonian Disorders - physiopathology
Phenylbutyrates - pharmacology
Phenylbutyrates - therapeutic use
Proteins
Substantia Nigra - drug effects
Substantia Nigra - metabolism
Substantia Nigra - pathology
Transcription, Genetic - drug effects
Transcription, Genetic - physiology
Treatment Outcome
Tyrosine 3-Monooxygenase - metabolism
title Neuroprotective effects of phenylbutyrate against MPTP neurotoxicity
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