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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.
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Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
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Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
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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.
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Cytomegalovirus Disease01:27

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Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
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Related Experiment Video

Updated: May 5, 2026

Technique of Conjunctival Biopsy and Direct Immunofluorescence for Diagnosing Mucous Membrane Pemphigoid
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Ocular involvement in primary immunodeficiency diseases.

Sima Hosseinverdi1, Hassan Hashemi, Asghar Aghamohammadi

  • 1Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.

Journal of Clinical Immunology
|December 3, 2013
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Summary

Primary immunodeficiency diseases (PID) involve recurrent infections and can affect the eyes. Understanding these ocular manifestations aids in early diagnosis and treatment to prevent vision loss.

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Area of Science:

  • Immunology
  • Ophthalmology
  • Genetics

Background:

  • Primary immunodeficiency diseases (PID) are inherited disorders.
  • PID patients frequently experience recurrent infections, autoimmunity, and malignancies.
  • Ocular manifestations are a recognized, though not common, feature in some PID patients.

Purpose of the Study:

  • To highlight the association between primary immunodeficiency diseases and ocular manifestations.
  • To emphasize the importance of recognizing these eye conditions in PID patients.
  • To underscore the need for understanding the mechanisms behind PID-related eye issues for better patient outcomes.

Main Methods:

  • Literature review of existing studies on PID and ocular manifestations.
  • Analysis of clinical data and case reports concerning eye conditions in PID.
  • Review of immunological and genetic factors contributing to ocular complications in PID.

Main Results:

  • Ocular manifestations, while not universal, occur in a subset of PID patients.
  • These manifestations can range in severity and type, impacting vision.
  • Early identification of ocular issues is crucial for effective management.

Conclusions:

  • Increased awareness and understanding of PID-associated ocular features are essential.
  • Prompt diagnosis and targeted treatment can mitigate or prevent significant visual impairment.
  • Further research into the underlying mechanisms will improve patient care and visual prognosis.