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Thiamazole inhibits the enzyme thyroperoxidase, which normally acts in thyroid hormone synthesis by oxidizing the anion iodide (I −) to iodine (I 2), hypoiodous acid (HOI), and enzyme linked hypoiodate (EOI), facilitating iodine's addition to tyrosine residues on the hormone precursor thyroglobulin, a necessary step in the synthesis of ...
They inhibit release of thyroid hormones by the thyroid gland.The most studied drug in this class is lithium, which inhibits thyroid hormone secretion by inhibiting iodotyrosine coupling, thyroidal iodide uptake, and alteration in structure of thyroglobulin, [10] a protein which acts as a substrate for the synthesis of thyroid hormones and storage of inactive forms of T3, T4 and iodine within ...
This is a list of cytochrome P450 modulators, or inhibitors and inducers of cytochrome P450 enzymes. Enzyme Inhibitors Inducers; CYP1A1: Certain foods (e.g., cumin ...
Flavin-containing monooxygenase 3 (FMO3), also known as dimethylaniline monooxygenase [N-oxide-forming] 3 and trimethylamine monooxygenase, is a flavoprotein enzyme (EC 1.14.13.148) that in humans is encoded by the FMO3 gene.
Thiaminase is an enzyme that metabolizes or breaks down thiamine into pyrimidine and thiazole. It is an antinutrient when consumed. The old name was "aneurinase". [1] There are two types with different Enzyme Commission numbers: [2] Thiamine pyridinylase, Thiaminase I (EC 2.5.1.2, InterPro: IPR030901)
Thyroid peroxidase, also called thyroperoxidase (TPO), thyroid specific peroxidase or iodide peroxidase, is an enzyme expressed mainly in the thyroid where it is secreted into colloid. Thyroid peroxidase oxidizes iodide ions to form iodine atoms for addition onto tyrosine residues on thyroglobulin for the production of thyroxine (T 4 ) or ...
In 1984, the first evidence for multiple forms of FMOs was elucidated by two different laboratories when two distinct FMOs were isolated from rabbit lungs. Since then, over 150 different FMO enzymes have been successfully isolated from a wide variety of organisms. [7] Up until 2002, only 5 FMO enzymes were successfully isolated from mammals.
Carbimazole (brand names Neo-Mercazole, Anti-Thyrox, etc.) is used to treat hyperthyroidism.Carbimazole is a pro-drug as after absorption it is converted to the active form, methimazole.