Anti-Mac-1 selectively inhibits the mouse and human type three complement receptor

Anti-Mac-1 selectively inhibits the mouse and human type three complement receptor
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Anti-Mac-1 选择性抑制小鼠和人类三型补体受体

DOI:
--
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发表时间:
1982
影响因子:
15.3
通讯作者:
R. Schreiber
R. Schreiber
中科院分区:
医学1区
文献类型:
--
作者:
D. Beller;T. Springer;R. Schreiber

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抗Mac-1(M1/70)是一种与小鼠和人巨噬细胞、多形核白细胞(PMNL)和自然杀伤细胞反应的大鼠单克隆抗体,可选择性抑制小鼠巨噬细胞和人PMNL介导的补体受体玫瑰花结。用抗Mac-1预孵育巨噬细胞可抑制带有IgM抗体和鼠C3片段的绵羊红细胞形成ROBLEMINE。当在10倍高浓度下检测与巨噬细胞反应的其他单克隆抗体(如抗Ly 5、抗H-2或抗泛白细胞)时,未观察到抑制作用。抗Mac-1不影响巨噬细胞Fc受体介导的玫瑰花结。使用带有同质人C3片段C3 b(EC 3b)或C3 bi(EC 3bi)的红细胞来测试抗Mac-1抑制的鼠巨噬细胞和人PMNL补体受体的特异性。在这两种情况下,抗Mac-1抑制CR 3介导的EC 3bi玫瑰花结,但不抑制CR 1依赖的EC 3b玫瑰花结。结果表明Mac-1与CR 3相同或与CR 3功能密切相关。这是单克隆抗体定义的分化抗原与特定细胞表面功能相关的首批病例之一。
Anti-Mac-1 (M1/70), a rat monoclonal antibody that reacts with mouse and human macrophages, polymorphonuclear leukocytes (PMNL), and natural killer cells, selectively inhibited complement receptor-mediated rosetting by murine macrophages and human PMNL. Preincubation of macrophages with anti-Mac-1 inhibited formation of rosettes with sheep erythrocytes bearing IgM antibody and murine C3 fragments. No inhibition was observed when other monoclonal antibodies that react with macrophages (such as anti-Ly5, anti-H-2, or anti-pan-leukocyte) were tested at 10-fold higher concentrations. Anti-Mac-1 did not affect macrophage Fc receptor-mediated rosetting. Erythrocytes bearing homogeneous human C3 fragments C3b (EC3b) or C3bi (EC3bi) were used to test the specificity of the murine macrophage and human PMNL complement receptor inhibited by anti-Mac-1. In both cases, anti-Mac-1 inhibited CR3-mediated rosetting of EC3bi but not CR1-dependent rosetting of EC3b. The results show that Mac-1 is either identical to CR3 or closely associated with CR3 function. This is one of the first cases in which a monoclonal antibody-defined differentiation antigen has been associated with a specific cell surface function.
Mac-1 抗原:巨噬细胞群和组织中的定量表达,以及脾脏中的免疫荧光定位。
DOI: --
发表时间: 1982
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
Ho,MK;Springer,TA
通讯作者: Springer,TA
DOI: 10.4049/jimmunol.128.3.1221
发表时间: 1982-03
影响因子: 4.4
作者:
M. Ho;T. Springer
通讯作者: M. Ho;T. Springer
感染单核细胞增生李斯特菌的小鼠腹膜渗出物中的自然杀伤活性:使用单克隆大鼠抗鼠巨噬细胞抗体(M1/70)表征自然杀伤细胞。
DOI: --
发表时间: 1981
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
作者:
Holmberg,LA;Springer,TA;Ault,KA
通讯作者: Ault,KA
人类补体的第三个组成部分:内部硫醇酯键的定位。
DOI: 10.1073/pnas.79.4.1054
发表时间: 1982
影响因子: 11.1
作者:
Thomas,ML;Janatova,J;Gray,WR;Tack,BF
通讯作者: Tack,BF
DOI: 10.1073/pnas.77.12.7194
发表时间: 1980-01-01
期刊: PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES
影响因子: --
作者:
LAW, SK;LICHTENBERG, NA;LEVINE, RP
通讯作者: LEVINE, RP