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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency disorders...
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...
What is the Immune System?01:38

What is the Immune System?

Overview
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
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.

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Related Experiment Video

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Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity
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Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity

Published on: April 11, 2019

Autoimmunity in immunodeficiency.

Krista Todoric1, Jessica B Koontz, Daniel Mattox

  • 1Division of Allergy and Immunology, Dept of Pediatrics, University of North Carolina Hospitals, Chapel Hill, NC 27599, USA.

Current Allergy and Asthma Reports
|April 18, 2013
PubMed
Summary
This summary is machine-generated.

Primary immunodeficiencies (PID) paradoxically cause autoimmunity alongside infections. This review explores specific PIDs and their proposed mechanisms driving autoimmune conditions.

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Area of Science:

  • Immunology
  • Genetics
  • Clinical Medicine

Background:

  • Primary immunodeficiencies (PID) are a group of genetic disorders characterized by impaired immunity, leading to increased susceptibility to infections.
  • A significant subset of PID patients paradoxically exhibit autoimmune phenomena, highlighting a complex interplay between immune deficiency and autoimmunity.
  • Understanding these conditions is crucial for developing targeted therapies.

Purpose of the Study:

  • To review well-characterized primary immunodeficiencies associated with autoimmunity.
  • To discuss the proposed underlying mechanisms driving autoimmune manifestations in these PIDs.
  • To consolidate current knowledge on the link between genetic immune defects and autoimmune diseases.

Main Methods:

  • Literature review of primary immunodeficiencies with autoimmune features.
  • Analysis of experimental models and clinical data.
  • Synthesis of proposed pathogenic pathways for autoimmunity in PID.

Main Results:

  • Several specific PIDs, such as [specific PID examples if available], are strongly linked to autoimmune conditions.
  • Common themes in autoimmunity include dysregulated immune cell function and loss of self-tolerance.
  • Genetic defects in PID directly impact pathways crucial for maintaining immune homeostasis.

Conclusions:

  • Primary immunodeficiencies offer unique insights into the development of autoimmunity.
  • Further research into PID-associated autoimmunity can elucidate fundamental mechanisms of immune regulation.
  • Identifying these mechanisms is key for improving patient management and therapeutic strategies.