منابع مشابه
Folding-dependent binding of thyrotropin (TSH) and TSH receptor autoantibodies to the murine TSH receptor ectodomain.
The mouse TSH receptor ectodomain (mTSHR-ecd) was amplified from murine thyroid complementary DNA and ligated into the pAcGP67B insect cell vector, and the nucleotide sequence was confirmed. Employing a baculovirus-insect cell system, the mTSHR-ecd (amino acids 22-415) was expressed as a fusion protein with the gp67 insect cell signal sequence at the NH2-terminus and a C-terminal six-histidine ...
متن کاملBioassays for TSH Receptor Autoantibodies, from FRTL-5 Cells to TSH Receptor–LH/CG Receptor Chimeras: The Contribution of Leonard D. Kohn
Since the discovery 60 years ago of the "long-acting thyroid stimulator" by Adams and Purves, great progress has been made in the detection of thyroid-stimulating hormone (TSH) receptor (TSHR) autoantibodies (TRAbs) in Graves' disease. Today, commercial assays are available that can detect TRAbs with high accuracy and provide diagnostic and prognostic evaluation of patients with Graves' disease...
متن کاملTopic: STIMULATING AND BLOCKING TSH-RECEPTOR AUTO- ANTIBODIES Title: Stimulating and blocking thyroid-stimulating hormone (TSH) receptor autoantibodies from patients with Graves’ disease and autoimmune hypothyroidism have very similar concen- trations, TSH receptor affinity, and binding sites
Methods and Patients: Four-step affinity purification using human recombinant TSH-R was performed with 22 TRAb-positive sera from GD patients (11 with only TSAb and 11 with only TBAb) and 5 control sera. Antibody concentration, TSH binding inhibition (TBII), and TSAb/TBAb activity of the purified TRAb were assessed. Labeled purified TRAbs were used for displacement studies with TRAb and an addi...
متن کاملTSH Receptor Mutations and Diseases
On a theoretical basis, for a hormone receptor, “gain of function” may have several meanings: (i) activation in the absence of ligand (constitutivity); (ii) increased sensitivity to its normal agonist; (iii) increased, or de novo sensitivity to an allosteric modulator; (iv) broadening of its specificity. When the receptor is part of a chemostat, as is the case for the TSH receptor, the first si...
متن کاملEnhanced response to mouse thyroid-stimulating hormone (TSH) receptor immunization in TSH receptor-knockout mice.
Graves-like hyperthyroidism is induced in BALB/c mice by immunization with adenovirus expressing the human TSH receptor (TSHR) A-subunit (amino acids 1-289). However, because of nonidentity between the human and mouse TSHR ( approximately 87% amino acid homology), we compared the responses of mice immunized with adenoviruses expressing either the mouse or the human TSHR A-subunit. Wild-type (wt...
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ژورنال
عنوان ژورنال: Autoimmunity Reviews
سال: 2009
ISSN: 1568-9972
DOI: 10.1016/j.autrev.2009.03.012