GRAVES IGG RECOGNIZES LINEAR EPITOPES IN THE HUMAN THYROTROPIN RECEPTOR

被引:31
|
作者
NAGY, EV
BURCH, HB
MAHONEY, K
LUKES, YG
MORRIS, JC
BURMAN, KD
机构
[1] WALTER REED ARMY MED CTR,KYLE METAB UNIT,WASHINGTON,DC 20307
[2] UNIFORMED SERV UNIV HLTH SCI,BETHESDA,MD 20814
[3] MAYO CLIN & MAYO FDN,DEPT INTERNAL MED,ROCHESTER,MN 55905
[4] MAYO CLIN & MAYO GRAD SCH MED,ROCHESTER,MN 55905
关键词
D O I
10.1016/0006-291X(92)92345-X
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
Twenty-nine peptides covering the full extracellular domain of the human thyrotropin receptor have been synthesized and tested for reactivity with Graves' patients' and normal sera in ELISA. Two peptides, amino acids 331-350 and the second extracellular loop of the transmembrane segment, bound IgG-s from 5 and 4 of 10 Graves' disease patients' sera, respectively. Neither of these two peptides showed enhanced binding to normal IgG. There were no apparent differences between the Graves' disease and normal group with respect to the other 27 peptides. We conclude that peptide 331-350 and the second extracellular loop carry important linear epitopes which may contribute to the disease process in selected Graves' patients. © 1992.
引用
收藏
页码:28 / 33
页数:6
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