POSSIBLE BINDING-SITE OF THYROTROPIN BINDING INHIBITOR IMMUNOGLOBULIN (TBII) ON THE THYROTROPIN (TSH) RECEPTOR, WHICH IS DIFFERENT FROM TSH BINDING-SITE

被引:24
作者
PIRAPHATDIST, T [1 ]
SUGAWA, H [1 ]
INOUE, D [1 ]
ENOMOTO, T [1 ]
MORI, T [1 ]
IMURA, H [1 ]
机构
[1] KYOTO UNIV,FAC MED,DIV INTERNAL MED 2,KYOTO 606,JAPAN
关键词
D O I
10.1016/0006-291X(90)90705-R
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
A synthetic decapeptide, P-194, which has the sequence No. 103 to 111 of hTSH receptor structure with an additional N-terminal tyrosine, did not bind TSH nor affected its receptor binding and thyroid stimulating activity. Preincubation of P-194 with sera from thyroid patients caused a significant decrease in TBII activity in almost all 12 TBII positive sera and an increase of thyroid stimulating activity in 3 of 7 Graves' IgG studied. In addition, [125I] P-194 bound to serum IgG fraction from thyroid patients with a positive correlation with TBII (N=35, r=0.509, p<0.01). The P-194 portion may be, at least a part of, TBII binding site distinct from the TSH binding site on the TSH receptor. © 1990.
引用
收藏
页码:529 / 536
页数:8
相关论文
共 17 条
[1]   ABNORMAL THYROTROPIN-BINDING IMMUNOGLOBULINS IN 2 PATIENTS WITH GRAVES-DISEASE [J].
AKAMIZU, T ;
ISHII, H ;
MORI, T ;
ISHIHARA, T ;
IKEKUBO, K ;
IMURA, H ;
BITO, S ;
SAIKI, Y .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1984, 59 (02) :240-245
[2]  
AKAMIZU T, 1990, IN PRESS P NATL ACAD
[3]   IMMUNE-MECHANISMS IN GRAVES-DISEASE [J].
BURMAN, KD ;
BAKER, JR .
ENDOCRINE REVIEWS, 1985, 6 (02) :183-232
[4]   DETECTION AND PROPERTIES OF TSH-BINDING INHIBITOR IMMUNOGLOBULINS IN PATIENTS WITH GRAVES-DISEASE AND HASHIMOTO THYROIDITIS [J].
ENDO, K ;
KASAGI, K ;
KONISHI, J ;
IKEKUBO, K ;
OKUNO, T ;
TAKEDA, Y ;
MORI, T ;
TORIZUKA, K .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1978, 46 (05) :734-739
[5]   DEVELOPMENT AND EVALUATION OF A METHOD FOR THE PARTIAL-PURIFICATION OF IMMUNOGLOBULINS SPECIFIC FOR GRAVES-DISEASE [J].
ENDO, K ;
AMIR, SM ;
INGBAR, SH .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1981, 52 (06) :1113-1123
[6]   A NEW INVITRO ASSAY FOR HUMAN THYROID-STIMULATOR USING CULTURED THYROID-CELLS - EFFECT OF SODIUM-CHLORIDE ON ADENOSINE-3',5'-MONOPHOSPHATE INCREASE [J].
KASAGI, K ;
KONISHI, J ;
IIDA, Y ;
IKEKUBO, K ;
MORI, T ;
KUMA, K ;
TORIZUKA, K .
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM, 1982, 54 (01) :108-114
[7]   PRIMARY MYXEDEMA WITH THYROTROPHIN-BINDING INHIBITOR IMMUNOGLOBULINS - CLINICAL AND LABORATORY FINDINGS IN 15 PATIENTS [J].
KONISHI, J ;
IIDA, Y ;
KASAGI, K ;
MISAKI, T ;
NAKASHIMA, T ;
ENDO, K ;
MORI, T ;
SHINPO, S ;
NOHARA, Y ;
MATSUURA, N ;
TORIZUKA, K .
ANNALS OF INTERNAL MEDICINE, 1985, 103 (01) :26-31
[8]   MECHANISMS BY WHICH LOW SALT CONDITION INCREASES SENSITIVITY OF THYROID STIMULATING ANTIBODY-ASSAY [J].
KOSUGI, S ;
MORI, T ;
IMURA, H .
ENDOCRINOLOGY, 1989, 125 (01) :410-417
[9]   CLONING, SEQUENCING AND EXPRESSION OF THE HUMAN THYROTROPIN (TSH) RECEPTOR - EVIDENCE FOR BINDING OF AUTOANTIBODIES [J].
LIBERT, F ;
LEFORT, A ;
GERARD, C ;
PARMENTIER, M ;
PERRET, J ;
LUDGATE, M ;
DUMONT, JE ;
VASSART, G .
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS, 1989, 165 (03) :1250-1255
[10]   FAMILIAL NEONATAL TRANSIENT HYPOTHYROIDISM DUE TO MATERNAL TSH-BINDING INHIBITOR IMMUNOGLOBULINS [J].
MATSUURA, N ;
YAMADA, Y ;
NOHARA, Y ;
KONISHI, J ;
KASAGI, K ;
ENDO, K ;
KOJIMA, H ;
WATAYA, K .
NEW ENGLAND JOURNAL OF MEDICINE, 1980, 303 (13) :738-741