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The effects of MK-801, an NMDA receptor antagonist, on the micturition reflex in the rat
| Content Provider | Semantic Scholar |
|---|---|
| Author | Yoshiyama, Mitsuharu Roppolo, James R. Rihmland, J. Blastos, B. Groat, William C. De |
| Copyright Year | 1991 |
| Abstract | The effects of MK-801 (Dizocilpine) on the micturition reflex were studied in rats anesthetized with urethane (1.2 g/kg, s.c.). MK-801, a non-competitive N-methyl-D-aspartate (NMDA) receptor antagonist (1-1000 micrograms/kg, i.v.) reduced, in a dose-dependent fashion the amplitude of rhythmic bladder contractions recorded isovolumetrically via a transurethral catheter. The largest doses (300-1000 micrograms/kg) completely abolished bladder activity. Bilateral section of the hypogastric nerves had no effect on MK-801 induced inhibition. MK-801 did not inhibit the bladder contractions induced by electrical stimulation of the pelvic nerve. These data suggest that MK-801 acts in the central nervous system to block glutaminergic excitatory transmission in the central micturition reflex pathway. |
| Starting Page | 141 |
| Ending Page | 144 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/0304-3940(91)90539-6 |
| Alternate Webpage(s) | https://api.elsevier.com/content/article/pii/0304394091905396 |
| Alternate Webpage(s) | https://www.sciencedirect.com/science/article/pii/0304394091905396?dgcid=api_sd_search-api-endpoint |
| PubMed reference number | 1833672 |
| Alternate Webpage(s) | https://doi.org/10.1016/0304-3940%2891%2990539-6 |
| Journal | Medline |
| Volume Number | 126 |
| Journal | Neuroscience Letters |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |