THYROID STIMULATING ACTIVITY OF RABBIT ANTIBODIES TOWARD THE HUMAN THYROTROPIN RECEPTOR PEPTIDE

被引：50

作者：

ENDO, T

OHMORI, M

IKEDA, M

ONAYA, T

机构：

[1] The Third Department of Internal Medicine, University of Yamanashi Medical School, Yamanashi, 409-38, Tamaho

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 1991年 / 177卷 / 01期

关键词：

D O I：

10.1016/0006-291X(91)91960-K

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

We have produced antibodies against a peptide corresponding to the unique N-terminal segment (amino acid residues 29-57) in the extracellular domain of the human thyrotropin (TSH) receptor by immunizing it to rabbits, and evaluated for their thyroid stimulating antibody (TSAb), thyroid stimulation blocking antibody (TSBAb) and TSH-binding inhibitor immunoglobulin (TBII) activities. Antibody raised in rabbit B showed significant TSAb activity but not TSBAb activity. In contrast, antibody raised in rabbit A lacked TSAb activity but possessed TSBAb activity. None of these antibodies had TBII activity. These results indicate that TSH receptor antibody can successfully mimic the action of TSH and also suggest that the N-terminal region of TSH receptor is substantially associated with both TSAb and TSBAb activities, but not parallel to TBII activity. © 1991.

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收藏

页码：145 / 150

页数：6

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