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Pre-emptive intrathecal Mk-801, a non-competitive N-methyl-d-aspartate receptor antagonist, inhibits the up-regulation of spinal dynorphin mRNA and hyperalgesia in a rat model of chronic inflammation
| Content Provider | Semantic Scholar |
|---|---|
| Author | Zhang, R. X. Ruda, Mary Ann Qiao, J. T. |
| Copyright Year | 1998 |
| Abstract | The effects of N-methyl-D-aspartate(NMDA) receptor antagonist, Mk-801, on the expression of spinal dynorphin (DYN) mRNA and the hyperalgesia induced by peripheral inflammation were studied by Northern analysis and behavioral test. Following an unilateral injection of complete Freund's adjuvant (CFA) into the rat hindpaw, there appeared a significant hyperalgesia of inflamed hindpaw and up-regulation of ipsilateral spinal DYN mRNA; while the pre-emptive and continuous intrathecal administration of Mk-801 (10 microg/microl per h) could significantly suppress both the hyperalgesia and the up-regulation of spinal DYN mRNA induced by peripheral inflammation. The results suggest that NMDA receptor activation may contribute to the development and maintenance of the thermal hyperalgesia that is associated with the up-regulation of DYN expression in spinal dorsal horn. |
| Starting Page | 57 |
| Ending Page | 60 |
| Page Count | 4 |
| File Format | PDF HTM / HTML |
| DOI | 10.1016/S0304-3940(97)00969-5 |
| Alternate Webpage(s) | https://api.elsevier.com/content/article/pii/S0304394097009695 |
| Alternate Webpage(s) | https://www.sciencedirect.com/science/article/pii/S0304394097009695?dgcid=api_sd_search-api-endpoint |
| PubMed reference number | 9502215 |
| Alternate Webpage(s) | https://doi.org/10.1016/S0304-3940%2897%2900969-5 |
| Journal | Medline |
| Volume Number | 241 |
| Journal | Neuroscience Letters |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
