Literature DB >> 1276902

Distribution of glutamate decarboxylase in discrete brain nuclei.

M L Tappaz, M J Brownstein, M Palkovits.   

Abstract

The L-glutamate decarboxylase (GAD) levels of 70 rat brain nuclei were determined. The distribution of GAD is uneven. High AAD activity was found in the substantia nigra, the colliculi, some hypothalamic nuclei (e.g. dorsomedial) some nuclei of the limbic system (e.g. tractus diagonalis and accumbens) and the medial forebrain bundle. The reticular part of the substantia nigra had the highest activity, two-fold higher than any other nucleus. Low GAD activity was found in the nuclei of the pons, the hypothalamic median eminence and the reticular formation. Moderate activity was measured in most areas studied. The biochemical mapping of GAD is discussed in relation to possible GABA pathways in the brain.

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Year:  1976        PMID: 1276902     DOI: 10.1016/0006-8993(76)90193-1

Source DB:  PubMed          Journal:  Brain Res        ISSN: 0006-8993            Impact factor:   3.252


  12 in total

1.  Rotational behaviour and cGMP responses following manipulation of nigral mechanisms with chlordiazepoxide. Evidence for enhancement of GABA transmission by benzodiazepines.

Authors:  J L Waddington; A Longden
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1977-11       Impact factor: 3.000

2.  Release of endogenous GABA from the substantia nigra is not controlled by GABA autoreceptors.

Authors:  P C Waldmeier; P Wicki; J J Feldtrauer; P A Baumann
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1989-10       Impact factor: 3.000

3.  An arylaminopyridazine derivative of gamma-aminobutyric acid (GABA) is a selective and competitive antagonist at the GABAA receptor site.

Authors:  J P Chambon; P Feltz; M Heaulme; S Restle; R Schlichter; K Biziere; C G Wermuth
Journal:  Proc Natl Acad Sci U S A       Date:  1985-03       Impact factor: 11.205

4.  Lateral differences in the GABAergic system of the rat striatum.

Authors:  P Guarneri; R Guarneri; D Zarcone; G Bettinazzi; L Amato; F Piccoli
Journal:  Ital J Neurol Sci       Date:  1985-06

5.  Region specific regulation of glutamic acid decarboxylase mRNA expression by dopamine neurons in rat brain.

Authors:  N Lindefors; S Brene; M Herrera-Marschitz; H Persson
Journal:  Exp Brain Res       Date:  1989       Impact factor: 1.972

Review 6.  Cellular compartments of GABA in brain and their relationship to anticonvulsant activity.

Authors:  M J Iadarola; K Gale
Journal:  Mol Cell Biochem       Date:  1981-09-25       Impact factor: 3.396

7.  Projections from nucleus accumbens to globus pallidus and substantia nigra in the rat.

Authors:  A Dray; N R Oakley
Journal:  Experientia       Date:  1978-01-15

8.  Inhibitory effect of GABA on phrenic discharge activity of rabbit through microinjection into nucleus tractus solitarii.

Authors:  C J Huang; J Z Xiang
Journal:  Acta Acad Med Wuhan       Date:  1985

9.  Motor activity of rats following intracerebral injections of drugs influencing GABA mechanisms.

Authors:  H Wachtel; N E Andén
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1978-04       Impact factor: 3.000

10.  Substantia nigra as an out-put station for striatal dopaminergic responses: role of a GABA-mediated inhibition of pars reticulata neurons.

Authors:  G Di Chiara; M L Porceddu; M Morelli; M L Mulas; G L Gessa
Journal:  Naunyn Schmiedebergs Arch Pharmacol       Date:  1979-03       Impact factor: 3.000

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