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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

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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...
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Synthesis and Regulation of Thyroid Hormones01:20

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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Functions of Thyroid Hormones01:18

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
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The Thyroid Gland01:23

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
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T Cell Types and Functions01:24

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When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
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Related Experiment Video

Updated: Oct 7, 2025

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
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Correlation between abnormal thyroid function test and thyroid autoimmunity: a systematic review and meta-analysis.

Ning Xiao1, Yingying Li1, Wangjin Chen1

  • 1Department of Health Management & Institute of Health Management, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China; Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, China.

Annals of Palliative Medicine
|January 12, 2022
PubMed
Summary

This meta-analysis found significant differences in triiodothyronine (T3) and thyroid-stimulating hormone (TSH) levels in patients with autoimmune thyroid disease compared to healthy individuals. Thyroid function tests can aid in diagnosing these conditions.

Keywords:
Thyroidmeta-analysisthyroid autoimmune diseasethyroid function test

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Area of Science:

  • Endocrinology
  • Immunology
  • Clinical Diagnostics

Background:

  • Autoimmune thyroid diseases (AITDs) are common endocrine disorders.
  • Accurate diagnosis of AITDs is crucial for effective management.
  • Thyroid function tests (TFTs) are routinely used in clinical practice.

Purpose of the Study:

  • To analyze the correlation between abnormal thyroid function test results and the presence of autoimmune thyroid disease.
  • To provide theoretical guidance for the clinical diagnosis of AITDs.

Main Methods:

  • A systematic literature search was conducted in Chinese and English databases.
  • Keywords included "thyroid", "thyroid autoimmune disease", "thyroid function test", and "meta-analysis".
  • Meta-analysis was performed using Review Manager software.

Main Results:

  • Eight articles were included in the meta-analysis.
  • Significant differences were observed in triiodothyronine (T3) and thyroid-stimulating hormone (TSH) levels.
  • No significant difference was found in thyroxine (T4) levels.

Conclusions:

  • Abnormal T3 and TSH levels are significantly associated with autoimmune thyroid disease.
  • Thyroid function testing plays a role in the diagnosis of AITDs.
  • T4 levels did not show a significant association in this meta-analysis.