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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wofsey, A. R. Kuhar, M. J. Snyder, S. H. |
| Abstract | Subcellular fractionation of rat cerebral cortical slices on sucrose density gradients provides evidence for the existence of a unique synaptosomal fraction (enriched in pinched-off nerve endings) that selectively accumulates glutamic and aspartic acids. The particles in this fraction sediment to a less dense portion of sucrose gradients than do particles that accumulate aromatic, basic, and neutral (large and small) amino acids. Particles that store gamma-aminobutyric acid are even less dense than those that contain exogenous glutamic and aspartic acids. The distribution of endogenous glutamic acid encompasses both that of exogenous glutamic acid and that of the neutral and basic amino acids. These findings provide neurochemical support for the suggestion that glutamic and/or aspartic acid has a specialized synaptic function, perhaps as a neurotransmitter, in the mammalian brain. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 6 |
| Volume Number | 68 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1971-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Aspartic Acid Metabolism Cerebral Cortex Glutamates Synaptic Vesicles Amino Acids Animals Autoradiography Brain Chemistry Carbon Isotopes Centrifugation, Density Gradient Enzymology Histamine L-Lactate Dehydrogenase Mitochondria Neurons Norepinephrine Serotonin Synaptic Transmission Tritium Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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