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白三烯B4:血管通透性的介质

Leukotriene B4: a mediator of vascular permeability.

作者信息

Bray M A, Cunningham F M, Ford-Hutchinson A W, Smith M J

出版信息

Br J Pharmacol. 1981 Mar;72(3):483-6. doi: 10.1111/j.1476-5381.1981.tb11000.x.

Abstract

1 Intradermal injection of leukotriene B4 (LTB4) or prostaglandin E2 (PGE2), 1 to 100 ng per skin site produced little or no change in plasma exudation in the rabbit, guinea-pig and rat. 2 Intradermal injection of LTB4 or PGE2 together with bradykinin (500 ng) resulted in a significant potentiation of the plasma exudation produced by bradykinin alone in the rabbit and guinea-pig. 4 LTB4 (1 to 10 ng) had no effect on blood flow in the rabbit skin, in contrast to PGE2 which was a potent vasodilator in this species. 5 It is concluded that LTB4 is a mediator of vascular permeability and that this effect can only be observed in the presence of a vasodilator such as PGE2.

摘要
  1. 在兔、豚鼠和大鼠的每个皮肤部位皮内注射白三烯B4(LTB4)或前列腺素E2(PGE2)1至100纳克,对血浆渗出几乎没有影响或没有影响。2. 在兔和豚鼠中,将LTB4或PGE2与缓激肽(500纳克)一起皮内注射,会使缓激肽单独引起的血浆渗出显著增强。4. 与PGE2(该物种中的一种强效血管舒张剂)不同,LTB4(1至10纳克)对兔皮肤血流没有影响。5. 得出的结论是,LTB4是血管通透性的介质,并且只有在存在诸如PGE2之类的血管舒张剂的情况下才能观察到这种作用。

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Leukotriene B4: a mediator of vascular permeability.白三烯B4:血管通透性的介质
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本文引用的文献

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Prostaglandins. 1980 May;19(5):645-8. doi: 10.1016/0090-6980(80)90099-4.
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