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Related Concept Videos

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.
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Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
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Methods for Quantitative Detection of Antibody-induced Complement Activation on Red Blood Cells
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Autoimmune hemolytic anemia: current knowledge and perspectives.

Sylwia Sulimiera Michalak1, Anna Olewicz-Gawlik2,3,4, Joanna Rupa-Matysek5

  • 1Department of Pharmacology and Toxicology Institute of Health Sciences, Collegium Medicum, University of Zielona Gora, Zielona Góra, Poland. s.michalak@cm.uz.zgora.pl.

Immunity & Ageing : I & A
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Autoimmune hemolytic anemia (AIHA) involves autoantibodies destroying red blood cells. Research reveals complex immune system dysregulation and explores new treatments targeting antibody production and immune responses.

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Autoimmune hemolytic anemiaCold agglutinin diseaseMicrovesiclesPathogenesisShear stressTreatment

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Area of Science:

  • Hematology
  • Immunology

Background:

  • Autoimmune hemolytic anemia (AIHA) encompasses diverse conditions like warm AIHA and cold agglutinin disease (CAD), characterized by autoantibodies targeting red blood cells (RBCs).
  • The pathogenesis of AIHA is intricate, involving T and B cell dysregulation, altered regulatory T cells (Tregs), and impaired lymphocyte apoptosis.

Purpose of the Study:

  • To review current understanding of AIHA classification, pathogenesis, and treatment strategies.
  • To highlight recent advancements and ongoing challenges in managing AIHA, particularly concerning age-related immune changes.

Main Methods:

  • Literature review of recent studies on AIHA pathogenesis and treatment.
  • Analysis of immune cell dysregulation, RBC destruction mechanisms, and therapeutic approaches.

Main Results:

  • AIHA pathogenesis involves complex immune dysregulation, including T/B cell imbalances and altered Treg function.
  • Current treatments focus on inhibiting autoantibody production (corticosteroids, rituximab) and supportive care; splenectomy is a third-line option for warm AIHA.
  • Emerging therapies target various immune pathways, including phagocytosis inhibition and B cell modulation.

Conclusions:

  • Recent research has refined AIHA classification and pathogenesis understanding.
  • Effective AIHA management requires a multifaceted approach, including targeted therapies and supportive care.
  • Further research is needed to address unresolved issues, especially the impact of aging on immunity in AIHA.