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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

950
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...
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Development of Immunocompetence01:22

Development of Immunocompetence

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The initiation of cell-mediated immunity can be observed as early as the third month of fetal growth, with active antibody-mediated immunity following approximately one month later.
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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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,...
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Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

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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...
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Immunological Memory01:23

Immunological Memory

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Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
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Related Experiment Video

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Author Spotlight: Advancing Immune Monitoring in Critical Care Patients Using Whole Blood Assays
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Common Variable Immunodeficiency.

Allison Remiker1, Kristina Bolling2, James Verbsky3

  • 1Division of Hematology/Oncology/Blood and Marrow Transplantation, Department of Pediatrics, Medical College of Wisconsin, and Children's Wisconsin, Milwaukee, WI, USA.

The Medical Clinics of North America
|November 11, 2023
PubMed
Summary

Common variable immunodeficiency (CVID) is a primary immune deficiency causing recurrent infections. Lifelong immunoglobulin therapy is crucial for preventing infections in CVID patients.

Keywords:
AutoimmunityCommon variable immunodeficiencyHypogammaglobulinemiaPrimary immune deficiency

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Area of Science:

  • Immunology
  • Genetics

Background:

  • Common variable immunodeficiency (CVID) is the most frequent primary immunodeficiency.
  • It is characterized by impaired immunoglobulin production, leading to diverse clinical symptoms.
  • These symptoms include recurrent infections, lymphoproliferation, autoimmunity, organ-specific diseases, and increased cancer risk.

Purpose of the Study:

  • To provide a comprehensive overview of Common variable immunodeficiency (CVID).
  • To highlight the heterogeneous clinical manifestations and potential underlying genetic causes.
  • To emphasize the importance of immunoglobulin therapy in managing CVID.

Main Methods:

  • Literature review of CVID etiology, clinical features, and treatment.
  • Synthesis of information on diagnostic criteria and management strategies.
  • Analysis of the role of genetic factors in immune dysregulation.

Main Results:

  • CVID presents with a wide spectrum of clinical issues, not limited to infections.
  • Genetic defects are implicated in a significant portion of CVID cases.
  • Lifelong immunoglobulin replacement therapy is the standard treatment for antibody deficiency.

Conclusions:

  • CVID management requires a multidisciplinary approach due to its complexity.
  • Further research into CVID etiology is needed to improve targeted therapies.
  • Consistent immunoglobulin therapy significantly reduces infection rates and improves outcomes for CVID patients.