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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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Humoral Immune Responses01:36

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Special Features of Adaptive Immunity01:20

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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.
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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.
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Subsequent T...
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Defense Mechanism Against Infection01:26

Defense Mechanism Against Infection

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Natural flora, body system defenses, and inflammation are natural barriers of the body against infectious agents regardless of previous exposure. Normal floras of the human body refer to the microbial population that colonizes the skin and mucous membranes.
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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.
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Related Experiment Video

Updated: Sep 2, 2025

Peptide-based Identification of Functional Motifs and their Binding Partners
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Immunodeficiency Hiding in Plain Sight.

Tyler C Argyle1, Adhish Singh1, Farhan Abdullah1

  • 1Internal Medicine, Methodist Health System, Dallas, USA.

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|August 5, 2022
PubMed
Summary

Primary immunodeficiency syndromes, often diagnosed in childhood, can manifest later. This case highlights a challenging hyper IgM syndrome diagnosis delayed by seven months, emphasizing the need for timely identification of immune system defects.

Keywords:
cmvhyperigm syndromepancytopeniaparvovirusprimary immunodeficiencysplenomegaly

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Area of Science:

  • Immunology
  • Genetics
  • Pediatrics

Background:

  • Primary immunodeficiency syndromes (PIS) represent diverse inborn and acquired immune system defects.
  • While often diagnosed in childhood, PIS can present in young adulthood, influenced by disease severity and healthcare access.

Observation:

  • Key diagnostic indicators for PIS include recurrent infections, vaccine failure, and immune laboratory abnormalities.
  • Diagnosis is often delayed, leading to increased patient morbidity and healthcare utilization.

Findings:

  • This report details a complex case of hyper IgM syndrome, a PIS characterized by specific antibody production defects.
  • The diagnosis was achieved after a seven-month period involving multiple hospitalizations for unusual multisystemic conditions.

Implications:

  • Timely diagnosis of PIS, including hyper IgM syndrome, is crucial for mitigating severe health consequences.
  • Recognizing atypical presentations and diagnostic delays is essential for improving patient outcomes in pediatric and adult immunology.