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Related Concept Videos

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...
Type I Diabetes I: Introduction01:12

Type I Diabetes I: Introduction

Type 1 diabetes mellitus is a chronic metabolic disorder characterized by an absolute deficiency of insulin resulting from the autoimmune destruction of pancreatic β-cells. Although it can occur at any age, it is most commonly diagnosed in childhood, adolescence, or early adulthood. The loss of insulin production impairs cellular glucose uptake, resulting in persistent hyperglycemia and necessitating lifelong insulin therapy.Autoimmune Destruction of β-CellsThe hallmark of type 1 diabetes is an...
Cross-reactivity00:42

Cross-reactivity

Overview
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and reactivity.
Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...

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Related Experiment Video

Updated: May 12, 2026

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
10:16

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies

Published on: September 15, 2016

Genetics and autoantibodies.

Carlo Perricone1, Nancy Agmon-Levin, Fulvia Ceccarelli

  • 1Reumatologia, Dipartimento di Medicina Interna e Specialità Mediche, Sapienza Università di Roma, Rome, Italy.

Immunologic Research
|April 9, 2013
PubMed
Summary
This summary is machine-generated.

Autoimmune diseases result from a complex interplay of genetic, environmental, and hormonal factors. Understanding these interactions could lead to new treatments and prevention strategies for autoimmune conditions.

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Area of Science:

  • Immunology
  • Genetics
  • Endocrinology

Background:

  • Autoimmune diseases (ADs) are chronic conditions characterized by the loss of self-tolerance.
  • Pathogenesis involves a complex interaction of genetic, environmental, and hormonal factors over time.
  • Immune system dysregulation is a key feature leading to disease development.

Purpose of the Study:

  • To elucidate the intricate mechanisms underlying autoimmune disease development.
  • To explore the roles of genetic, environmental, and hormonal factors in AD pathogenesis.
  • To identify potential targets for the prevention and treatment of autoimmune diseases.

Main Methods:

  • Review of existing evidence on genetic predisposition, environmental triggers, and hormonal influences in ADs.
  • Analysis of the temporal relationship between genetic susceptibility, autoantibody production, and clinical presentation.
  • Exploration of the overlap between genetic factors influencing autoantibody development and disease progression.

Main Results:

  • Autoimmune diseases arise from a multifactorial interaction, including genetic susceptibility.
  • Age and gender significantly influence hormone levels, impacting disease susceptibility or protection.
  • Autoantibody production is genetically determined and correlates with clinical manifestation of ADs.

Conclusions:

  • The development of autoimmune diseases is a lengthy process involving genetic predisposition, environmental factors, and hormonal modulation.
  • Genetically determined autoantibody production plays a crucial role in the clinical presentation of ADs.
  • Unraveling these pathogenic mechanisms offers potential for autoimmune disease prevention and treatment.