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| Content Provider | Springer Nature Link |
|---|---|
| Author | Skiteva, O. I. Lapteva, V. I. Balezina, O. P. |
| Copyright Year | 2010 |
| Abstract | Loading of mouse motor nerve terminals with EGTA-AM, but not with BAPTA-AM, inhibited the release of the neurotransmitter in response to stimulation of the nerve with rare (0.3 Hz) “single” pulses. During rhythmic stimulation with short (50 EPP) high-frequency (20 Hz) series, BAPTA-AM buffer modified burst pattern in a dose-dependent manner: it replaced the phase of initial facilitation by persistent depression of secretion and decreased its plateau level at the end of the burst. In contrast, loading of the nerve terminals with EGTA-AM buffer produced no effect on the phase of initial facilitation, but decreased the plateau level to the same degree as BAPTA-AM did. Probably, the different effects of both buffers on secretion of neurotransmitter reflect peculiarities of involvement of fast and slow Ca2+ signals of motor terminals in single and rhythmic release of the neurotransmitter. |
| Starting Page | 276 |
| Ending Page | 279 |
| Page Count | 4 |
| File Format | |
| ISSN | 00074888 |
| Journal | Bulletin of Experimental Biology and Medicine |
| Volume Number | 149 |
| Issue Number | 3 |
| e-ISSN | 15738221 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2010-08-14 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | BAPTA-AM EGTA-AM quantum content of endplate potentials rhythmic activity Ca2+ signal Laboratory Medicine Pathology Cell Biology Internal Medicine Biomedicine general |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Biochemistry, Genetics and Molecular Biology |
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