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Ectopic Thyrotropin-Secreting Tumor in the Nasopharynx Causing Central Hyperthyroidism.

JCEM Case Rep

January 2025

Section of Endocrinology and Investigative Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College, London W12 ONN, UK.

We report a 31-year-old man with diarrhea and tachycardia. Diagnostic workup confirmed raised free thyroid hormones with unsuppressed thyroid stimulating hormone (TSH). Laboratory assay and medication interference were excluded.

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To investigate the regulatory mechanism mediated by hypothalamic OPN5 on seasonal changes in the reproductive activities of domestic geese, 60 Magang ganders in their breeding period were selected for the experiment and evenly divided into an immunization group(OPN5-IM) and a control group. On days 0, 15 and 30, ganders in the immunized group were immunized with OPN5-KLH protein vaccine, and ganders in the control were immunized with the same amount of blank emulsified vaccine. Additionally, 120 female geese were provided to stimulate the reproductive activities of male geese.

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Role of Thyrotropin-Releasing Hormone Stimulation Test and Autoantibody in 952 Subjects with Subclinical Hypothyroidism.

J Endocr Soc

November 2024

Division of Endocrinology and Metabolism, Department of Internal Medicine, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul 04401, Korea.

Context: Subclinical hypothyroidism (SCH) is characterized by elevated thyroid-stimulating hormone (TSH) levels and normal free thyroxine (fT4) levels. In upper normal TSH levels, thyrotropin-releasing hormone (TRH) stimulation test proved to be useful in identifying an exaggerated TSH response.

Objective: We aimed to evaluate the incidence and predictive ability of basal TSH, anti-thyroid peroxidase antibodies (TPOAb), and anti-thyroglobulin antibodies (TgAb) for exaggerated TRH stimulation test in SCH.

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Objective: Pergolide, labeled for the treatment of pituitary pars intermedia dysfunction, is 90% protein bound and might cause a decrease in blood thyroid hormone concentrations by displacing them from binding proteins. This study investigated the effect of pergolide on the equine thyroid function.

Methods: This was an analytic, observational, cohort study.

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The effects of disturbance on hypothalamus-pituitary-thyroid axis in zebrafish larvae after exposure to polyvinyl alcohol.

Ecotoxicol Environ Saf

December 2024

Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China; Department of Endocrinology, Fujian Provincial Hospital, Fuzhou, China; Department of Endocrinology, Fuzhou University Affiliated Provincial Hospital, Fuzhou, China. Electronic address:

In recent years, considerable concerns have been raised regarding environmental pollution caused by water-soluble polymers (WSPs). Polyvinyl alcohol (PVA), used in the textile industry and in the manufacture of medical consumables, is one type of WSPs. After use, PVA is discharged and enters aquatic ecosystems, but most of it cannot be completely biodegraded in the environment.

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