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针对利什曼原虫表面蛋白gp63含精氨酸-甘氨酸-天冬氨酸区域的合成肽产生的抗体与人C3发生交叉反应,并干扰gp63介导的与巨噬细胞的结合。

Antibodies raised against synthetic peptides from the Arg-Gly-Asp-containing region of the Leishmania surface protein gp63 cross-react with human C3 and interfere with gp63-mediated binding to macrophages.

作者信息

Russell D G, Talamas-Rohana P, Zelechowski J

机构信息

Department of Pathology, New York University Medical Center 10016.

出版信息

Infect Immun. 1989 Feb;57(2):630-2. doi: 10.1128/iai.57.2.630-632.1989.

DOI:10.1128/iai.57.2.630-632.1989
PMID:2912899
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC313143/
Abstract

The Leishmania surface glycoprotein gp63 binds to complement receptor type 3 on the macrophage surface. Antibody raised against a synthetic peptide containing the Arg-Gly-Asp region of the amino acid sequence of gp63 recognizes both gp63 and the alpha-chain of human C3. Monovalent Fab fragments from this antibody block gp63-mediated binding to macrophages.

摘要

利什曼原虫表面糖蛋白gp63与巨噬细胞表面的3型补体受体结合。针对包含gp63氨基酸序列中精氨酸-甘氨酸-天冬氨酸区域的合成肽产生的抗体可识别gp63和人C3的α链。该抗体的单价Fab片段可阻断gp63介导的与巨噬细胞的结合。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1cdc/313143/044e3862e890/iai00062-0339-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1cdc/313143/044e3862e890/iai00062-0339-a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1cdc/313143/044e3862e890/iai00062-0339-a.jpg

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本文引用的文献

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Role of the RGD sequence in parasite adhesion to host cells.
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Leishmania donovani-macrophage binding mediated by surface glycoproteins/antigens: characterization in vitro by a radioisotopic assay.由表面糖蛋白/抗原介导的杜氏利什曼原虫与巨噬细胞的结合:通过放射性同位素测定法进行体外表征
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Extrachromosomal genetic complementation of surface metalloproteinase (gp63)-deficient Leishmania increases their binding to macrophages.表面金属蛋白酶(gp63)缺陷型利什曼原虫的染色体外遗传互补增加了它们与巨噬细胞的结合。
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Opsonin-independent phagocytosis of group B streptococci: role of complement receptor type three.B族链球菌的不依赖调理素的吞噬作用:Ⅲ型补体受体的作用
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J Exp Med. 1982 Oct 1;156(4):1149-64. doi: 10.1084/jem.156.4.1149.
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Attachment of plasma membrane vesicles of human macrophages to Leishmania tropica promastigotes.人巨噬细胞的质膜囊泡与热带利什曼原虫前鞭毛体的附着。
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A study of the differential respiratory burst activity elicited by promastigotes and amastigotes of Leishmania donovani in murine resident peritoneal macrophages.杜氏利什曼原虫前鞭毛体和无鞭毛体在小鼠驻留腹腔巨噬细胞中引发的差异性呼吸爆发活性研究。
Immunology. 1984 Oct;53(2):345-55.
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The Leishmania receptor for macrophages is a lipid-containing glycoconjugate.巨噬细胞的利什曼原虫受体是一种含脂质的糖缀合物。
EMBO J. 1985 Feb;4(2):329-36. doi: 10.1002/j.1460-2075.1985.tb03633.x.
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The involvement of the major surface glycoprotein (gp63) of Leishmania promastigotes in attachment to macrophages.利什曼原虫前鞭毛体的主要表面糖蛋白(gp63)在与巨噬细胞附着中的作用。
J Immunol. 1986 Apr 1;136(7):2613-20.
8
Macrophage complement and lectin-like receptors bind Leishmania in the absence of serum.在无血清情况下,巨噬细胞补体和凝集素样受体可结合利什曼原虫。
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Evidence that Leishmania donovani utilizes a mannose receptor on human mononuclear phagocytes to establish intracellular parasitism.杜氏利什曼原虫利用人类单核吞噬细胞上的甘露糖受体来建立细胞内寄生关系的证据。
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C3bi receptor (complement receptor type 3) recognizes a region of complement protein C3 containing the sequence Arg-Gly-Asp.C3bi受体(补体3型受体)识别补体蛋白C3中包含精氨酸-甘氨酸-天冬氨酸序列的区域。
Proc Natl Acad Sci U S A. 1987 Apr;84(7):1965-8. doi: 10.1073/pnas.84.7.1965.