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Related Concept Videos

Autoimmune Disorders01:29

Autoimmune Disorders

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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.
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Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
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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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Related Experiment Video

Updated: May 1, 2026

The Isolation and Characterization of Low- and Normal- Density Neutrophils from Whole Blood
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The Isolation and Characterization of Low- and Normal- Density Neutrophils from Whole Blood

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Autoimmune neutropenia.

Aline Autrel-Moignet1, Thierry Lamy2

  • 1CHU de Rennes, service d'hématologie clinique, Rennes 35043, France.

Presse Medicale (Paris, France : 1983)
|April 1, 2014
PubMed
Summary
This summary is machine-generated.

Autoimmune neutropenia (AIN) is a rare condition caused by antibodies attacking neutrophils. Treatment varies by cause, with granulocyte growth factors being a primary option, though long-term safety is a concern.

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Area of Science:

  • Hematology
  • Immunology

Background:

  • Autoimmune neutropenia (AIN) is a rare disorder resulting from antibodies targeting neutrophil-specific antigens.
  • It encompasses primary and secondary forms, with acute cases linked to drugs or viruses, and chronic forms associated with autoimmune diseases, hematological malignancies like LGL leukemia, immune deficiencies, or solid tumors.

Purpose of the Study:

  • To provide a comprehensive overview of autoimmune neutropenia, including its classification, causes, and therapeutic strategies.
  • To highlight the importance of etiology-specific management and discuss the safety considerations of granulocyte growth factor therapy.

Main Methods:

  • Literature review of autoimmune neutropenia.
  • Analysis of diagnostic criteria and etiological factors.
  • Evaluation of current therapeutic approaches and their indications.

Main Results:

  • AIN presents acutely (drug/viral-induced) or chronically (associated with autoimmune conditions, malignancies, etc.).
  • Management is etiology-dependent, with granulocyte growth factors as a primary treatment.
  • Corticosteroids or immunosuppressants are used for infection-related AIN or specific underlying conditions.

Conclusions:

  • Effective management of autoimmune neutropenia requires accurate diagnosis of the underlying cause.
  • Granulocyte growth factor is a key therapy, but long-term safety requires further investigation.
  • Tailored immunosuppressive strategies are crucial for managing complex or symptomatic cases.