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寡肽对大鼠巨噬细胞C3b受体介导功能的影响。

The effect of oligopeptides on the C3b receptor-mediated functions of rat macrophages.

作者信息

Fóris G, Füst G, Medgyesi G A

出版信息

Immunol Lett. 1983 Jan;6(1):7-11. doi: 10.1016/0165-2478(83)90022-6.

DOI:10.1016/0165-2478(83)90022-6
PMID:6220967
Abstract

Effects of various substances known to influence macrophage functions on the adherence of C3b-coated sheep erythrocytes (E-C3b) and their phagocytosis by elicited rat peritoneal macrophages (PM) has been studied. Different oligopeptides (OP) having a chemotactic effect, such as tuftsin, angiotensin II (At II) and the OP-fraction of a lymphokine preparation (LK-OP) increased both adherence and phagocytosis of E-C3b in a concentration-dependent fashion. In contrast, neither substances influencing the membrane cation transport nor prostaglandins (PG) and cyclic nucleotides significantly changed the C3b receptor (C3bR)-dependent effector functions of macrophages. Enhanced functions of the C3bR were not associated with an increased capability of PMs for intracellular killing of Candida albicans.

摘要

研究了各种已知影响巨噬细胞功能的物质对C3b包被的绵羊红细胞(E-C3b)黏附以及对诱导的大鼠腹腔巨噬细胞(PM)吞噬作用的影响。具有趋化作用的不同寡肽(OP),如促吞噬素、血管紧张素II(At II)和一种淋巴因子制剂的OP组分(LK-OP),以浓度依赖方式增加了E-C3b的黏附和吞噬作用。相比之下,影响膜阳离子转运的物质、前列腺素(PG)和环核苷酸均未显著改变巨噬细胞依赖C3b受体(C3bR)的效应功能。C3bR功能增强与PM对白色念珠菌细胞内杀伤能力的增加无关。

相似文献

1
The effect of oligopeptides on the C3b receptor-mediated functions of rat macrophages.寡肽对大鼠巨噬细胞C3b受体介导功能的影响。
Immunol Lett. 1983 Jan;6(1):7-11. doi: 10.1016/0165-2478(83)90022-6.
2
Effect of low-molecular-weight lymphokine components on the Fc and C3b receptor-mediated macrophage functions.低分子量淋巴因子成分对Fc和C3b受体介导的巨噬细胞功能的影响。
Cell Immunol. 1983 Jun;78(2):276-84. doi: 10.1016/0008-8749(83)90282-4.
3
Effect of angiotensin II on macrophage functions.血管紧张素II对巨噬细胞功能的影响。
Immunology. 1983 Mar;48(3):529-35.
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C3b acceptors on macrophages: inhibition of Fc gamma-receptor-mediated phagocytosis by acceptor-bound C3b.巨噬细胞上的C3b受体:受体结合的C3b对Fcγ受体介导的吞噬作用的抑制
Immunol Lett. 1983 Jun;6(6):287-91. doi: 10.1016/0165-2478(83)90068-8.
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Phagocytosis by human monocyte-derived macrophages. Independent function of receptors for C3b (CR1) and iC3b (CR3).人单核细胞衍生巨噬细胞的吞噬作用。C3b受体(CR1)和iC3b受体(CR3)的独立功能。
Complement. 1984;1(4):213-27.
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Augmentation of macrophage complement receptor function in vitro. III. C3b receptors that promote phagocytosis migrate within the plane of the macrophage plasma membrane.体外增强巨噬细胞补体受体功能。III. 促进吞噬作用的C3b受体在巨噬细胞质膜平面内迁移。
J Exp Med. 1981 Aug 1;154(2):291-305. doi: 10.1084/jem.154.2.291.
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Modulation of Fc and C3b receptor expression on guinea-pig macrophages by lymphokines.淋巴因子对豚鼠巨噬细胞Fc和C3b受体表达的调节作用。
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Roles of macrophage Fc and C3b receptors in phagocytosis of immunologically coated Cryptococcus neoformans.巨噬细胞Fc和C3b受体在免疫包被新型隐球菌吞噬作用中的作用。
Proc Natl Acad Sci U S A. 1981 Jun;78(6):3853-7. doi: 10.1073/pnas.78.6.3853.
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Specific antibody-dependent phagocytosis of lipid vesicles by RAW264 macrophages results in the loss of cell surface Fc but not C3b receptor activity.RAW264巨噬细胞对脂质囊泡的特异性抗体依赖性吞噬作用导致细胞表面Fc受体活性丧失,但C3b受体活性未丧失。
J Immunol. 1980 Dec;125(6):2391-6.

引用本文的文献

1
Tolerance is dependent on complement C3 fragment iC3b binding to antigen-presenting cells.耐受性取决于补体C3片段iC3b与抗原呈递细胞的结合。
Nat Med. 2003 Feb;9(2):206-12. doi: 10.1038/nm814. Epub 2003 Jan 6.
2
Regulation of macrophage phagocytosis.巨噬细胞吞噬作用的调节。
Eur J Clin Microbiol. 1986 Feb;5(1):1-5. doi: 10.1007/BF02013451.