Stimulatory effect of L-glutamate and related amino acids on [3H]dopamine release from rat striatum: an in vitro model for glutamate actions.
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Amino Acids↗
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Results for “GLUTAMATES”
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Evidence for interactions between striatal cholecystokinin and glutamate receptors. CCK-8 in vitro produces a marked downregulation of 3H-glutamate binding sites in striatal membranes.
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Animals↗
Synthesis of glutamic acid and glutamyl polypeptide by Bacillus anthracis. I. Formation of glutamic acid by transamination.
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Amino Acids↗
A new photometric method for the determination of serum glutamate pyruvate transaminase activity using pyruvate and glutamate as substrates.
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Alanine Transaminase↗
Comparative studies on the activity of glutamic dehydrogenase and glutamic-oxalacetic transaminase of rat and dog tissues with special reference to thyroid physiology.
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Animals↗
Metabolic adaptations in higher animals. VII. Responses of glutamate-oxalacetate and glutamate-pyruvate transaminases to diet.
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Alanine Transaminase↗
Decreased NADH glutamate synthase activity in nodules and flowers of alfalfa (Medicago sativa L.) transformed with an antisense glutamate synthase transgene.
Legumes obtain a substantial portion of their nitrogen (N) from symbiotic N2 fixation in root nodules. The glutamine synthetase (GS, EC 6.3.1.2)/glutamate synthase (GOGAT) cycle is responsible for the initial N assimilation. This report describes the analysis of a transgenic alfalfa (Medicago sativa L.) line containing an antisense NADH-GOGAT (EC 1.4.1.14) under the control of the nodule-enhanced aspartate amino-transferase (AAT-2) promoter. In one transgenic line, NADH-GOGAT enzyme activity was reduced to approximately 50%, with a corresponding reduction in protein and mRNA. The transcript abundance for cytosolic GS, ferredoxin-dependent GOGAT (EC 1.4.7.1), AAT-2 (EC 2.6.1.1), asparagine synthase (EC 6.3.5.4), and phosphoenolpyruvate carboxylase (PEPC, EC 4.1.1.31) were unaffected, as were enzyme activities for AAT, PEPC and GS. Antisense NADH-GOGAT plants grown under symbiotic conditions were moderately chlorotic and reduced in growth and N content, even though symbiotic N2 fixation was not significantly reduced. The addition of nitrate relieved the chlorosis and restored growth and N content. Surprisingly, the antisense NADH-GOGAT plants were male sterile resulting from inviable pollen. A reduction in NADH-GOGAT enzyme activity and transcript abundance in the antisense plants was measured during the early stages of flower development. Inheritance of the transgene was stable and resulted in progeny with a range of NADH-GOGAT activity. These data indicate that NADH-GOGAT plays a critical role in the assimilation of symbiotically fixed N and during pollen development.
Antisense Elements (Genetics)↗
Glutamic acid dehydrogenase and glutamic-oxalacetic transaminase of blood in leukemia and cancer.
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Blood↗
Glutamic acid derivatives in juvenile and adult celiac disease. I. Plasma glutamic acid levels after a gliadin tolerance test.
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Adolescent↗
[Glutamic acid--pyruvic acid and glutamic acid-oxalacetic acid transaminase in maternal and embryonal organs, placenta, maternal serum and amniotic fluid of gravid rats in normal and pathological conditions].
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Amniotic Fluid↗
[THE DIAGNOSTIC SIGNIFICANCE OF GLUTAMATE-OXALOACETIC TRANSAMINASE, GLUTAMATE- PYRUVIC TRANSAMINASE, LACTIC DEHYDROGENASE AND SORBITOL DEHYDROGENASE IN THE CEREBROSPINAL FLUID OF CHILDREN].
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Alanine Transaminase↗
[CHANGES IN THE GLUTAMIC-PYRUVIC ACID TRANSAMINASE AND GLUTAMIC ACID DEHYDRASE ACTIVITY OF THE RAT LIVER IN ALLOXAN DIABETES].
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Alanine Transaminase↗
[GLUTAMATE-ASPARTATE AND GLUTAMATE-ALANINE TRANSAMINASE ACTIVITY IN TISSUES OF DEVELOPING EMBRYOS].
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Alanine Transaminase↗
[ON THE CHANGE OF THE GLUTAMATE-OXALOACETATE TRANSAMINASE ACTIVITY AND THE GLUTAMATE-PYRUVATE TRANSAMINASE ACTIVITY BY THE TYRAMINE INJECTION].
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Alanine Transaminase↗
[On the influence of roentgen total body irradiations on the activity of lactic acid dehydrogenase as well as glutamic acid-oxalacetic acid and glutamic acid-pyruvic acid transaminase in blood serum of rats].
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Animals↗
Proposal of standard methods for the determination of enzyme catalytic concentrations in serum and plasma at 37 degrees C. III. Glutamate dehydrogenase (L-glutamate: NAD(P)+ oxidoreductase (deaminating), EC 1.4.1.3). Working Group on Enzymes.
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Buffers↗
[On the influence of surgery on the biliary system, especially in liver diseases, on the serum level of the enzymes sorbitol dehydrogenase, glutamic-pyruvic transaminase, lactate dehydrogenase and glutamic dehydrogenase].
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Alanine Transaminase↗
[Analysis of the possible involvement of the glutamate transporter gene EAAT2 and the glutamate receptor genes GRIA1 and GRIA2 in pathogenesis of motor neuron disease in the Russian population].
Polymorphisms of the genes of the glutamatergic system EAAT2, GRIA1, and GRIA2 have been analyzed in patients with sporadic motor neuron disease (MND) from Russia. The disease is not associated with polymorphic alleles of the genes studied, which indicates that EAAT2, GRIA1, and GRIA2 play an insignificant role in the pathogenesis of sporadic MND.
Alleles↗