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Related Concept Videos

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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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Crohn's disease is an inflammatory bowel disorder marked by chronic inflammation of the GI tract. Various treatment strategies for Crohn's disease are employed, such as immunomodulatory agents, glucocorticoids, and biologics or anti-TNF therapy. Azathioprine (Imuran), a commonly used immunomodulatory drug for Crohn's disease, is converted in the body to mercaptopurine, which inhibits purine biosynthesis and cell proliferation. Both are utilized in severe cases of Inflammatory Bowel...
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When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
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Updated: Dec 9, 2025

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes
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Immune Reconstitution Disorders: Spotlight on Interferons.

Hesham Mohei1, Usha Kellampalli1, Irina Vlasova-St Louis1

  • 1Department of Medicine, University of Minnesota, Minneapolis, USA.

International Journal of Biomedical Investigation
|September 9, 2020
PubMed
Summary
This summary is machine-generated.

Hematopoietic stem cell transplantation and HIV/AIDS research reveals immune restoration disorders (IRD). This study details interferon networks, immune reconstitution inflammatory syndrome pathogenesis, and diagnostic biomarkers for IRD.

Keywords:
AIDSHIVIFNGIRISImmune reconstitutionT cellsType I/II interferonsallo-HSCT

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Area of Science:

  • Immunology
  • Hematology
  • Virology

Background:

  • Decades of research in hematopoietic stem cell transplantation (HSCT) and HIV/AIDS have illuminated immune restoration disorders (IRD).
  • Understanding IRD is crucial for improving patient outcomes after HSCT and in managing HIV/AIDS.
  • Immune reconstitution is a complex process with potential complications.

Purpose of the Study:

  • To provide a comprehensive overview of immune restoration disorders.
  • To explore the molecular biology of interferon networks and immune reconstitution inflammatory syndrome (IRIS).
  • To assess diagnostic biomarkers and immunomodulatory treatments for IRD.

Main Methods:

  • Literature review and synthesis of research findings.
  • Analysis of molecular pathogenesis of IRD and IRIS.
  • Evaluation of thymic involution effects on T cell diversity.
  • Assessment of diagnostic biomarkers and targeted immunomodulatory therapies.

Main Results:

  • Detailed overview of interferon networks in immune restoration.
  • Elucidation of the molecular pathogenesis of IRIS.
  • Summary of thymic involution's impact on T cell diversity.
  • Results from diagnostic biomarker assessments and tested treatments.

Conclusions:

  • Immune restoration disorders are a significant concern in HSCT and HIV/AIDS.
  • Further research into biomarkers and targeted therapies is warranted.
  • Understanding these disorders is key to advancing transplantation and HIV/AIDS management.