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| Content Provider | Springer Nature Link |
|---|---|
| Author | Petrova, L. P. Morenkov, E. D. |
| Copyright Year | 2002 |
| Abstract | Morphometric analysis of electron microphotographs of hippocampus of Krushinskii–Molodkina rats with hereditary predisposition to audiogenic epilepsy revealed rapid reversible changes in synapses between terminals of mossy fibers and dendritic spines of pyramidal neurons in the field CA3 after convulsions induced by stressing auditory effects. It was established that an initial increase of the number, size, and perforation of active zones, which indicates activation of synaptic transmission, was subsequently replaced by a decrease of these parameters as well as of spine invaginations and by an increase of the number of dense-core synaptic vesicles in active zones of synapses. Previous administration of melatonin was observed to lead to a significant decrease of intensity of manifestation of the convulsion symptoms and of the degree of the above ultrastructural changes, which might be considered an evidence for melatonin sedative and stress-limiting, as well as anti-epileptic and neuroprotective properties. |
| Starting Page | 348 |
| Ending Page | 353 |
| Page Count | 6 |
| File Format | |
| ISSN | 00220930 |
| Journal | Journal of Evolutionary Biochemistry and Physiology |
| Volume Number | 38 |
| Issue Number | 3 |
| e-ISSN | 16083202 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2002-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Biochemistry Evolutionary Biology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physiology Biochemistry Ecology, Evolution, Behavior and Systematics |
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