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从乳腺癌细胞中纯化一种癌胚抗原。

Purification of an onco-fetal antigen from mammary carcinoma cells.

作者信息

Czuppon A B

出版信息

J Cancer Res Clin Oncol. 1985;110(3):252-4. doi: 10.1007/BF00399285.

Abstract

Mammary carcinoma cell membranes were solubilized by a zwitterionic detergent, 3-(3-cholamidopropyl)-dimethyl-ammonio)-propanesulfonate (CHAPS). The solubilized membrane components were resolved by high pressure liquid chromatography (HPLC) using a styrogel protein column. One of the fractions was found to react specifically with anti-F9-antiserum in a solid-phase immunosorbent assay. Following recycling this fraction was purified to homogeneity and had an N-terminal amino acid residue of lysine. Its molecular weight was estimated to be 15,000 daltons. No comparable fraction could be detected in the solubilized membrane components of nonmalignant mammary tissue.

摘要

用两性离子去污剂3-(3-胆酰胺丙基)-二甲基-铵基)-丙烷磺酸盐(CHAPS)溶解乳腺癌细胞膜。使用苯乙烯凝胶蛋白柱通过高压液相色谱(HPLC)分离溶解的膜成分。在固相免疫吸附试验中发现其中一个组分与抗F9抗血清发生特异性反应。回收后,将该组分纯化至同质,其N端氨基酸残基为赖氨酸。估计其分子量为15,000道尔顿。在非恶性乳腺组织的溶解膜成分中未检测到类似的组分。

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本文引用的文献

1
Purification of a human spermatozoal antigen.一种人类精子抗原的纯化。
Hoppe Seylers Z Physiol Chem. 1981 Jul;362(7):963-8. doi: 10.1515/bchm2.1981.362.2.963.
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Proc Natl Acad Sci U S A. 1980 Aug;77(8):4623-7. doi: 10.1073/pnas.77.8.4623.
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Isolation of a human teratoma cell line which expresses F9 antigen.
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