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Related Concept Videos

Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

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Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence...
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Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH...
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Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor,...
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Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase01:11

Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase

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Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
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Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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Hypothyroidism is a disorder characterized by insufficient production of thyroid hormones, which regulate metabolism, energy balance, and multiple organ systems.TypesHypothyroidism is classified based on the level of dysfunction. Primary hypothyroidism results from intrinsic thyroid gland dysfunction, causing reduced hormone production despite normal or increased stimulation. Secondary hypothyroidism arises from inadequate thyroid-stimulating hormone (TSH) secretion by the pituitary. Tertiary...
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Related Experiment Video

Updated: Apr 27, 2026

Spontaneous Murine Model of Anaplastic Thyroid Cancer
05:39

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Risk factors for anaplastic thyroid cancer.

V Zivaljevic1, N Slijepcevic2, I Paunovic1

  • 1Centre for Endocrine Surgery, Clinical Centre of Serbia, Koste Todorovica 8, 11000 Belgrade, Serbia ; School of Medicine, University of Belgrade, Dr Subotica 8, 11000 Belgrade, Serbia.

International Journal of Endocrinology
|June 21, 2014
PubMed
Summary
This summary is machine-generated.

Anaplastic thyroid cancer (ATC) risk factors include low education, blood group B, and goiter. Identifying these can aid in understanding and potentially preventing this rare but aggressive cancer.

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Area of Science:

  • Oncology
  • Epidemiology
  • Genetics

Background:

  • Anaplastic thyroid cancer (ATC) is a rare but aggressive malignancy with a poor prognosis.
  • The etiology and risk factors for ATC remain largely unknown and under-researched.

Purpose of the Study:

  • To investigate and identify potential risk factors associated with the development of anaplastic thyroid cancer.

Main Methods:

  • A case-control study was conducted involving 126 ATC patients and 252 matched controls.
  • Statistical analysis utilized Cox regression models for risk factor assessment.

Main Results:

  • Univariate analysis indicated several potential risk factors including low education, blood group B, goiter, other malignancies, diabetes, late menarche, and early first pregnancy.
  • Multivariate analysis confirmed independent risk factors for ATC: low education level (OR=1.42), blood group B (OR=2.41), and goiter (OR=25.33).

Conclusions:

  • Low education level, blood group B, and goiter are identified as independent risk factors for anaplastic thyroid cancer.
  • These findings contribute to understanding ATC etiology and may inform future preventative strategies.