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单发佐剂性关节炎大鼠脊髓单胺类递质及代谢产物含量分析

DOI: 10.3969/j.issn.1674-6309.2005.05.002, PP. 340-342

Keywords: 佐剂性关节炎,脊髓,单胺类递质,代谢产物,大鼠

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Abstract:

目的探讨慢性关节炎症痛时脊髓单胺类递质和代谢产物含量及释放量的变化。〖HTXK〗方法采用完全弗氏佐剂在大鼠一侧后肢造成单发性关节炎模型,用高效液相色谱法分别测定致炎前及致炎后1~9周大鼠脊髓灌流液和脊髓背角单胺类递质及其代谢产物的含量。结果(1)致炎5周后脊髓去甲肾上腺素释放量增加而同期含量降低,炎症1~9周期间脊髓3-甲氧基-4-羟基苯乙二醇释放量明显减少;(2)5-羟吲哚乙酸脊髓释放量在第5周降低而同期含量升高;(3)3,4-羟基苯乙酸脊髓释放量明显降低但含量变化不明显,高香草酸未见有明显改变。结论单胺类递质及代谢产物参与了慢性炎症痛期间内源性镇痛系统的作用。

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