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Related Concept Videos

Hyperthyroidism II: Pathophysiology01:27

Hyperthyroidism II: Pathophysiology

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 receptors...
Graves' Disease I: Introduction01:28

Graves' Disease I: Introduction

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 in...
Graves Disease II: Pathophysiology01:24

Graves Disease II: Pathophysiology

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, and heat...
Autoimmune Disorders01:29

Autoimmune Disorders

Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune system...
Hypothyroidism II: Pathophysiology01:23

Hypothyroidism II: Pathophysiology

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...
Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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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Related Experiment Video

Updated: Jul 5, 2026

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
04:39

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model

Published on: March 17, 2023

Human autoimmune thyroid disease A mechanistic update.

G O'Connor1, T F Davies

  • 1Division of Endocrinology, Department of Medicine, Mount Sinai School of Medicine, New York, NY 10029, USA.

Trends in Endocrinology and Metabolism: TEM
|May 1, 1990
PubMed
Summary

Autoimmune thyroid disease involves immune system dysfunction affecting thyroid function. Research focuses on identifying specific antigens and immune events causing thyroid-specific dysfunction, using the thyroid as a model for autoimmune disease studies.

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Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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Area of Science:

  • Immunology
  • Endocrinology
  • Genetics

Background:

  • Autoimmune thyroid disease (AITD) encompasses common, often familial, thyroid disorders.
  • These conditions are characterized by disruptions in both cellular and humoral immunity.
  • The thyroid gland serves as a valuable model for studying human autoimmune conditions.

Purpose of the Study:

  • To review current research characterizing target antigens in autoimmune thyroid disease.
  • To explore the cellular and molecular mechanisms underlying thyroid-specific immune dysfunction.
  • To highlight active research areas in the study of autoimmune thyroid disease.

Main Methods:

  • Literature review of current research in autoimmune thyroid disease.
  • Analysis of studies focusing on immunological and molecular aspects of thyroid dysfunction.
  • Synthesis of findings related to cellular immunity and humoral immunity in AITD.

Main Results:

  • Ongoing research is identifying specific antigens targeted in autoimmune thyroid disease.
  • Characterization of cellular and molecular events leading to tissue-specific immune dysfunction is advancing.
  • The thyroid gland is confirmed as an accessible and useful model for autoimmune disease research.

Conclusions:

  • Autoimmune thyroid disease research is actively defining specific antigens and immune pathways.
  • Understanding these mechanisms is crucial for developing targeted therapies.
  • The thyroid gland provides a unique window into the complexities of human autoimmune disorders.