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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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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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Pulmonary Tuberculosis I01:29

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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
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Autoimmune Disorders01:29

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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
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Functions of the Lymphatic and Immune System01:28

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The lymphatic system plays a crucial role in bolstering our immune system. It consists of a network of lymphoid organs, lymph, and lymphatic vessels that provide structural and functional support in safeguarding the body against pathogens such as viruses and bacteria.
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
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Related Experiment Video

Updated: Aug 19, 2025

The bm12 Inducible Model of Systemic Lupus Erythematosus SLE in C57BL/6 Mice
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Systemic Lupus Erythematosus and Immunodeficiency.

Shirley Chiu Wai Chan1, Chak Sing Lau1

  • 1Department of Medicine, Division of Rheumatology and Clinical Immunology, The University of Hong Kong, Queen Mary Hospital, Hong Kong, China.

Rheumatology and Immunology Research
|December 5, 2022
PubMed
Summary

Systemic lupus erythematosus (SLE) involves complex genetic and environmental factors, impacting immune function. Treatments for SLE can lead to secondary immunodeficiency, particularly antibody deficiencies after B-cell therapies.

Keywords:
immunodeficiencyinfectionssystemic lupus erythematosus

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Area of Science:

  • Immunology
  • Genetics
  • Rheumatology

Background:

  • Systemic lupus erythematosus (SLE) is a complex autoimmune disease influenced by genetic, epigenetic, and environmental factors.
  • Advances in understanding immune pathways reveal links between autoimmunity (like SLE) and immunodeficiency.
  • Increased use of immunosuppressive therapies highlights the risk of secondary immunodeficiencies in SLE patients.

Purpose of the Study:

  • To update the understanding of the relationship between SLE and immunodeficiency.
  • To discuss shared genetic factors and immunobiology between SLE and immunodeficiency.
  • To summarize the impact of immunosuppressive therapies, especially B-cell targeted treatments, on secondary antibody deficiency (SAD).

Main Methods:

  • Review of current literature on SLE, immunodeficiency, and genetics.
  • Analysis of immune regulatory and signaling pathways.
  • Summary of clinical data regarding immunosuppressive therapies and secondary antibody deficiency.

Main Results:

  • Shared genetic factors and complex immunobiology contribute to both SLE and immunodeficiency.
  • Immunosuppressive therapies, particularly B-cell targeted treatments, are associated with increased risk of secondary antibody deficiency.
  • Understanding these connections is crucial for managing SLE patients.

Conclusions:

  • SLE and immunodeficiency share underlying genetic and immunological mechanisms.
  • Therapeutic interventions for SLE can precipitate secondary immunodeficiencies, necessitating careful monitoring.
  • Further research into managing these comorbidities is essential for improved patient outcomes.