Validation of cytochemical section bioassay for thyroid-stimulating immunoglobulins in treated and untreated Graves' disease. 1984

M G Prentice, and J Alaghband-Zadeh, and P H Wise

The cytochemical section-bioassay of thyroid stimulating activity is described. Plasma of thyrotoxic patients as well as those on block-replace treatment with carbimazole and thyroid hormones was used. Linear parallel responses were obtained over the range 1.5 X 10(-7) to 1.5 X 10(-5) mU/1 MRC LATS-B standard. The index of precision was 0.19 +/- 0.028. The fiducial limits (p=0.95) of a sample tested on ten separate occasions were 52-192%. Specificity was investigated using time course studies, and the effect of anti-TSH or anti-IgG antisera. No effect of methimazole or a variety of other drugs was detected. The assay is accordingly validated for measurement of TSI in patients both untreated and on block-replace therapy.

UI MeSH Term Description Entries
D008135 Long-Acting Thyroid Stimulator An immunoglobulin G, often found in the blood of hyperthyroid individuals. It stimulates the thyroid for a longer duration than does thyrotoxin and may cause hyperthyroidism in newborns due to placental transmission. LATS,Thyroid Stimulating Hormone Receptor Autoantibodies,Thyroid Stimulating Hormone Receptor Autoantibody,Thyroid Stimulator, Long-Acting,Thyrotropin Receptor Antibodies,Thyrotropin Receptor Antibody,Thyrotropin Receptor Autoantibodies,Thyrotropin Receptor Autoantibody,Antibody, Thyrotropin Receptor,Autoantibody, Thyrotropin Receptor,Long Acting Thyroid Stimulator,Receptor Antibody, Thyrotropin,Receptor Autoantibody, Thyrotropin,Thyroid Stimulator, Long Acting
D008297 Male Males
D002231 Carbimazole An imidazole antithyroid agent. Carbimazole is metabolized to METHIMAZOLE, which is responsible for the antithyroid activity. Carbimazole Henning,Neo Tomizol,Neo-Mercazole,Neo-Thyreostat,Neomercazole
D005260 Female Females
D006111 Graves Disease A common form of hyperthyroidism with a diffuse hyperplastic GOITER. It is an autoimmune disorder that produces antibodies against the THYROID STIMULATING HORMONE RECEPTOR. These autoantibodies activate the TSH receptor, thereby stimulating the THYROID GLAND and hypersecretion of THYROID HORMONES. These autoantibodies can also affect the eyes (GRAVES OPHTHALMOPATHY) and the skin (Graves dermopathy). Basedow's Disease,Exophthalmic Goiter,Goiter, Exophthalmic,Graves' Disease,Basedow Disease,Hyperthyroidism, Autoimmune,Basedows Disease,Disease, Basedow,Disease, Basedow's,Disease, Graves,Disease, Graves',Exophthalmic Goiters,Goiters, Exophthalmic
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006651 Histocytochemistry Study of intracellular distribution of chemicals, reaction sites, enzymes, etc., by means of staining reactions, radioactive isotope uptake, selective metal distribution in electron microscopy, or other methods. Cytochemistry
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000626 Aminopeptidases A subclass of EXOPEPTIDASES that act on the free N terminus end of a polypeptide liberating a single amino acid residue. EC 3.4.11. Aminopeptidase

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