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前列腺素D2在大鼠和人类皮肤中的炎症作用。

Inflammatory effects of prostaglandin D2 in rat and human skin.

作者信息

Flower R J, Harvey E A, Kingston W P

出版信息

Br J Pharmacol. 1976 Feb;56(2):229-33. doi: 10.1111/j.1476-5381.1976.tb07446.x.

Abstract

1 Intradermal injection of prostaglandin (PG) D1 and D2 in the human forearm produced a long-lasting dose-related erythema. When compared with prostaglandin E1 or E2 the order of potency for erythema production was PGE1 greater than PGE2 greater than PGD2 greater than PGD1. 2 In rat skin, prostaglandin D2 but not D1 caused an increase in vascular permeability as quantitated by the Evans blue method and the 125I-albumin extravasation technique. Prostaglandin E2 was 3-5 times more potent than prostaglandin D2. 3 Prostaglandin D2 (10 ng) potentiated the increase in vascular permeability in rat skin produced by histamine, but not that produced by bradykinin. 4 Prostaglandin D2 (10, 20 and 50 ng) did not elicit oedema or hyperalgesia in the rat paw oedema test, but potentiated carrageenan-induced oedema; hyperalgesia was potentiated by doses of 100 ng and above.

摘要
  1. 将前列腺素(PG)D1和D2皮内注射到人体前臂会产生持续时间较长的剂量相关性红斑。与前列腺素E1或E2相比,产生红斑的效力顺序为PGE1>PGE2>PGD2>PGD1。2. 在大鼠皮肤中,通过伊文思蓝法和125I-白蛋白外渗技术定量显示,前列腺素D2而非D1会导致血管通透性增加。前列腺素E2的效力比前列腺素D2强3至5倍。3. 前列腺素D2(10纳克)可增强组胺引起的大鼠皮肤血管通透性增加,但对缓激肽引起的增加无增强作用。4. 在大鼠足爪水肿试验中,前列腺素D2(10、20和50纳克)不会引起水肿或痛觉过敏,但可增强角叉菜胶诱导的水肿;100纳克及以上剂量可增强痛觉过敏。

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