L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat
This study investigated whether the L-arginine-NO system participates in the analgesic effect of flunixin meglumine in the rat. Hyperalgesia was induced by intraplantar (i.pl.) administration of carrageenan (500 μg) into the rat’s hind paw. Electronic von Frey apparatus was used to determine paw wit...
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oai:doaj.org-article:18e397a1d15a48dea99ea1fe1f8af1282021-11-17T21:27:51ZL-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat1820-744810.1515/acve-2016-0008https://doaj.org/article/18e397a1d15a48dea99ea1fe1f8af1282016-03-01T00:00:00Zhttps://doi.org/10.1515/acve-2016-0008https://doaj.org/toc/1820-7448This study investigated whether the L-arginine-NO system participates in the analgesic effect of flunixin meglumine in the rat. Hyperalgesia was induced by intraplantar (i.pl.) administration of carrageenan (500 μg) into the rat’s hind paw. Electronic von Frey apparatus was used to determine paw withdrawal threshold induced by pressure as the painful stimulus, measured in grams (g). Flunixin meglumine (FM; 0.09-0.1 mg/kg; s.c.) and NG-nitro-L-arginine methyl ester (L-NAME; 10 mg/kg; i.p.), given separately as a pre-treatment, i.e. 15 min before i.pl. injection of carrageenan, produced a significant antinociception. When FM (0.09 mg/kg) and a sub-effective dose of L-NAME (5 mg/kg) were co-administered, the antinociceptive effect was significantly increased in comparison with the effect of FM alone. L-arginine (L-ARG;10 mg/kg; i.p.) itself did not produce significant effect on carrageenan-induced hyperalgesia, but significantly reduced the antinociceptive effects of both FM and FM + L-NAME combination. The inhibition of the production of NO might be involved in the mechanism of the analgesic effect of FM.Milovanović MirjanaVučković SonjaProstran MilicaTrailović SašaJovanović MilanSciendoarticleflunixin megluminel-namel-argininecarrageenanhyperalgesiaVeterinary medicineSF600-1100ENActa Veterinaria, Vol 66, Iss 1, Pp 103-114 (2016) |
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flunixin meglumine l-name l-arginine carrageenan hyperalgesia Veterinary medicine SF600-1100 |
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flunixin meglumine l-name l-arginine carrageenan hyperalgesia Veterinary medicine SF600-1100 Milovanović Mirjana Vučković Sonja Prostran Milica Trailović Saša Jovanović Milan L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat |
description |
This study investigated whether the L-arginine-NO system participates in the analgesic effect of flunixin meglumine in the rat. Hyperalgesia was induced by intraplantar (i.pl.) administration of carrageenan (500 μg) into the rat’s hind paw. Electronic von Frey apparatus was used to determine paw withdrawal threshold induced by pressure as the painful stimulus, measured in grams (g). Flunixin meglumine (FM; 0.09-0.1 mg/kg; s.c.) and NG-nitro-L-arginine methyl ester (L-NAME; 10 mg/kg; i.p.), given separately as a pre-treatment, i.e. 15 min before i.pl. injection of carrageenan, produced a significant antinociception. When FM (0.09 mg/kg) and a sub-effective dose of L-NAME (5 mg/kg) were co-administered, the antinociceptive effect was significantly increased in comparison with the effect of FM alone. L-arginine (L-ARG;10 mg/kg; i.p.) itself did not produce significant effect on carrageenan-induced hyperalgesia, but significantly reduced the antinociceptive effects of both FM and FM + L-NAME combination. The inhibition of the production of NO might be involved in the mechanism of the analgesic effect of FM. |
format |
article |
author |
Milovanović Mirjana Vučković Sonja Prostran Milica Trailović Saša Jovanović Milan |
author_facet |
Milovanović Mirjana Vučković Sonja Prostran Milica Trailović Saša Jovanović Milan |
author_sort |
Milovanović Mirjana |
title |
L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat |
title_short |
L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat |
title_full |
L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat |
title_fullStr |
L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat |
title_full_unstemmed |
L-Arginine-No System Participates in the Analgesic Effect of Flunixin Meglumine in the Rat |
title_sort |
l-arginine-no system participates in the analgesic effect of flunixin meglumine in the rat |
publisher |
Sciendo |
publishDate |
2016 |
url |
https://doaj.org/article/18e397a1d15a48dea99ea1fe1f8af128 |
work_keys_str_mv |
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1718425338026917888 |