血管活性肠肽对小鼠曼氏血吸虫病肉芽肿炎症的调节

Joel V. Weinstock
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引用次数: 14

摘要

血吸虫病是一种寄生虫病,在肝脏和肠道中发生称为肉芽肿的局灶性炎症反应。肉芽肿内的炎性细胞产生真正的血管活性肠肽(VIP)。VIP作为免疫调节剂。在血吸虫肉芽肿中,VIP可抑制T细胞增殖和T淋巴细胞IL-2的产生。此外,它还能促进肉芽肿T细胞产生IL-5。肉芽肿T细胞携带VIPr1和VIPr2亚型的VIP受体。这些受体的表达可能受到免疫调节,这是目前研究的主题。此外,VIPr1和VIPr2结构的差异表明,它们在炎症中可能具有独特的免疫调节功能。
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Vasoactive intestinal peptide regulation of granulomatous inflammation in murine Schistosomiasis mansoni

Schistosomiasis is a parasitic disease in which focal inflammatory responses called granulomas develop in the liver and intestines. The inflammatory cells within these granulomas produce authentic vasoactive intestine peptide (VIP). VIP acts as an immune modulator. In the schistosome granuloma, VIP can suppress T cell proliferation and T lymphocyte IL-2 production. Also, it can enhance IL-5 production from granuloma T cells. The granuloma T cells bear authentic VIP receptors of both the VIPr1 and VIPr2 subclasses. It is probable that the expression of these receptors is subject to immunoregulation, which is the topic of current investigation. Moreover, differences in the structure of VIPr1 and VIPr2 suggest that each may have unique immunoregulatory functions in inflammation.

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Introduction Preface The significance of vasoactive intestinal polypeptide (VIP) in immunomodulation Expression of vasoactive intestinal peptide in lymphocytes: a possible endogenous role in the regulation of the immune system Functional and molecular characterization of VIP receptors and signal transduction in human and rodent immune systems
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