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논문 기본 정보

자료유형
학술저널
저자정보
Filho, Arnaldo Willain (Programa de Mestrado em Ciencias Farmaceuticas e Nucleo de Investigacoes Quimico-Farmaceuticas [NIQFAR]/CCS, Universidade do Vale do Itajai [UNIVALI]) Filho, Valdir Cechinel (Programa de Mestrado em Ciencias Farmaceuticas e Nucleo de Investigacoes Quimico-Farmaceuticas [NIQFAR]/CCS, Universidade do Vale do Itajai [UNIVALI]) Olinger, Leonardo (Programa de Mestrado em Ciencias Farmaceuticas e Nucleo de Investigacoes Quimico-Farmaceuticas [NIQFAR]/CCS, Universidade do Vale do Itajai [UNIVALI]) Souza, Marcia Maria de (Programa de Mestrado em Ciencias Farmaceuticas e Nucleo de Investigacoes Quimico-Farmaceuticas [NIQFAR]/CCS, Universidade do Vale do Itajai [UNIVALI])
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제31권 제6호
발행연도
2008.1
수록면
713 - 721 (9page)

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The antinociceptive action of quercetin, a common bioactive flavonoid present in many medicinal plants, was assessed in different models of chemical and thermal nociception in mice. Quercetin (10-60 mg/kg, i.p. or 100-500 mg/kg, p.o.) dose-dependently inhibited nociceptive behavior in the acetic acid-induced pain test. Moreover, quercetin (10-60 mg/kg, i.p.) inhibited both phases of formalin-induced pain, with $ID_{50}$ values of 374.1 (68.0-402.0) mmol/kg and 103.0 (45.0-201.0) mmol/kg, for the neurogenic and inflammatory phases, respectively. Quercetin (10-60 mg/kg) also inhibited the nociception induced by glutamate and capsaicin by 68.2% and 75.5%, respectively. Its analgesic action was significantly reversed by p-chlorophenylalanine methyl ester, katanserin, methysergide, a $GABA_A$ antagonist (bicuculline), or a $GABA_B$ antagonists (baclofen). Its action was also modulated by tachykinins, but was not affected by adrenal-gland hormones. Furthermore, the antinociceptive effects did not result from muscle-relaxant or sedative action. Together, these results indicate that quercetin produces dose-related anti-nociception in several models of chemical pain, through mechanisms that involve interaction with L-arginine-nitric oxide, serotonin, and GABAergic systems. These results confirm and extend other investigations on the analgesic effect of quercetin and its mechanisms of action.

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