Purification of the insulin-like growth factor II (IGF-II) receptor from an IGF-II-producing cell line, and generation of an antibody which both immunoprecipitates and blocks the type 2 IGF receptor.

Purification of the insulin-like growth factor II (IGF-II) receptor from an IGF-II-producing cell line, and generation of an antibody which both immunoprecipitates and blocks the type 2 IGF receptor.
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从产生 IGF-II 的细胞系中纯化胰岛素样生长因子 II (IGF-II) 受体,并生成既能免疫沉淀又能阻断 2 型 IGF 受体的抗体。

DOI:
10.1016/0006-291x(86)90280-9
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发表时间:
1986
影响因子:
3.1
通讯作者:
Powell,DR
Powell,DR
中科院分区:
生物学4区
文献类型:
--
作者:
Rosenfeld,RG;Hodges,D;Pham,H;Lee,PD;Powell,DR

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分泌大鼠胰岛素样生长因子II(rIGF-II)的18,54-SF细胞具有丰富的2型IGF受体。我们已经从这些细胞中纯化的2型受体的粗膜在Triton X-100中溶解,然后通过琼脂糖固定的rIGF-II色谱。用麦胚凝集素溶解膜层析法获得的部分纯化的受体制剂免疫家兔。产生的抗体免疫沉淀2型受体,并特异性抑制IGF-II结合到各种大鼠组织,包括18,54-SF细胞,BRL-3A细胞和胎盘。在rIGF-II分泌细胞系上存在丰富的2型受体与IGF-II在选择细胞中的自分泌作用一致。
18,54-SF cells, which secrete rat insulin-like growth factor II (rIGF-II), have abundant type 2 IGF receptors. We have purified the type 2 receptor from these cells by solubilization of crude membranes in Triton X-100, followed by chromatography on agarose-immobilized rIGF-II. A partially purified receptor preparation, obtained by chromatography of solubilized membranes over wheat germ agglutinin, was used to immunize a rabbit. The antibody generated both immunoprecipitates the type 2 receptor, and specifically inhibits IGF-II binding to a variety of rat tissues, including 18,54-SF cells, BRL-3A cells and placenta. The presence of abundant type 2 receptors on an rIGF-II-secreting cell line is consistent with an autocrine role for IGF-II in select cells.
人和大鼠胎盘膜中胰岛素样生长因子 II 的优先结合位点。
DOI: --
发表时间: 1981
影响因子: 5.8
作者:
W. Daughaday;I. Mariz;B. Trivedi
通讯作者: B. Trivedi
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发表时间: 1982-05
期刊: The Journal of biological chemistry
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作者:
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影响因子: 4.8
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DOI: --
发表时间: 1984
期刊: The Journal of biological chemistry
影响因子: --
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大鼠胚胎成纤维细胞中胰岛素样生长因子的受体和增殖刺激活性(大鼠胰岛素样生长因子 II)的生长效应。
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