MODULATION OF MORPHINE ANTINOCICEPTION IN THE MOUSE BY ENDOGENOUS NITRIC-OXIDE

MODULATION OF MORPHINE ANTINOCICEPTION IN THE MOUSE BY ENDOGENOUS NITRIC-OXIDE
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DOI:
10.1111/j.1476-5381.1994.tb17149.x
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发表时间:
1994-12-01
影响因子:
7.3
通讯作者:
DIROSA, M
DIROSA, M
中科院分区:
医学2区
文献类型:
--
作者:
BRIGNOLA, G;CALIGNANO, A;DIROSA, M

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1 L-精氨酸(100-1000 mg kg(-1))口服(p.o.)或腹膜内(i.p.)给药,但不是脑室内给药(i.c.v.,每只小鼠 0.08 mg),降低吗啡(0.5-10 mg kg(-1) s.c.)的镇痛作用,使用三种不同的测试对小鼠进行评估:热板、甩尾 和醋酸引起的扭体。 D-精氨酸(口服或腹腔注射最高 1000 mg kg(-1))无效。2 N-G-单甲基-L-精氨酸(L-NMMA,腹腔注射 5-50 mg kg(-1))和 N-G-硝基-L-精氨酸甲酯(L-NAME,腹腔注射 5-30 mg kg(-1)),但不是N-G-硝基-D-精氨酸甲酯 (D-NAME,腹腔注射 30 mg kg(-1)),在所有测定中逆转了 L-精氨酸对吗啡诱导的镇痛作用的影响。3 吗啡(皮下注射 10 mg kg(-1))、L-精氨酸(口服 1000 mg kg(-1))或 L-NAME(腹腔注射 30 mg kg(-1)),无论是单独使用还是联合使用,均不会产生 动物的运动活动或感觉运动性能。4这些结果表明,L-精氨酸-一氧化氮途径在吗啡敏感的伤害性过程中发挥调节作用。
1 L-Arginine (100-1000 mg kg(-1)) administered orally (p.o.) or intraperitoneally (i.p.), but not intracerebroventricularly (i.c.v., 0.08 mg per mouse), reduced the antinociceptive effect of morphine (0.5-10 mg kg(-1) s.c.) assessed in mice using three different tests: hot plate, tail-flick and acetic acid-induced writhing. D-Arginine (up to 1000 mg kg(-1) p.o. or i.p.) was ineffective.2 N-G-Monomethyl-L-arginine (L-NMMA, 5-50 mg kg(-1) i.p.) and N-G-nitro-L-arginine methyl ester (L-NAME,5-30 mg kg(-1) i.p.), but not N-G-nitro-D-arginine methyl ester (D-NAME, 30 mg kg(-1) i.p.), reversed in all assays the effect of L-arginine on morphine-induced antinociception.3 Morphine (10 mg kg(-1) s.c.), L-arginine (1000 mg kg(-1) p.o.) or L-NAME (30 mg kg(-1) i.p.), either alone or in combination, did not produce changes in locomotor activity or sensorimotor performance of animals.4 These results suggest that the L-arginine-nitric oxide pathway plays a modulating role in the morphine-sensitive nociceptive processes.