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Related Concept Videos

T Cell Types and Functions01:24

T Cell Types and Functions

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.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
Encephalitis ll: Pathophysiology01:26

Encephalitis ll: Pathophysiology

Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview

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Updated: May 21, 2026

Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
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Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination

Published on: September 12, 2016

How type I interferons shape myeloid cell function in CNS autoimmunity.

Stefanie M Brendecke1, Marco Prinz

  • 1Department of Neuropathology, University of Freiburg, Freiburg, Germany.

Journal of Leukocyte Biology
|June 5, 2012
PubMed
Summary
This summary is machine-generated.

Interferon-alpha/beta (IFN-I) impacts myeloid cells in CNS autoimmunity, influencing immune responses in diseases like multiple sclerosis. Understanding these complex effects could lead to targeted therapies.

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Determining Immune System Suppression versus CNS Protection for Pharmacological Interventions in Autoimmune Demyelination
09:38

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High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes
10:00

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes

Published on: March 24, 2015

Area of Science:

  • Immunology
  • Neuroimmunology
  • Cellular and Molecular Medicine

Background:

  • Interferon-alpha/beta (IFN-I) are used to treat Relapsing-Remitting Multiple Sclerosis (RRMS), a CNS autoimmune disease.
  • The precise mechanisms of IFN-I action in CNS autoimmunity are not fully understood.
  • Systemic IFN-I causes broad immunomodulation affecting both innate and adaptive immunity.

Purpose of the Study:

  • To elucidate the complex effects of IFN-I on myeloid cell subsets in the context of CNS autoimmunity.
  • To identify potential molecular and cellular targets for developing localized, cell type-specific IFN-I therapies.

Main Methods:

  • Review of recent research on IFN-I interactions with myeloid cells (monocytes, granulocytes, DCs, microglia) in CNS autoimmunity.
  • Analysis of how IFN-I affects myeloid cell functions including activation, maturation, antigen presentation, and cytokine production.
  • Investigation of IFN-I's influence on T cell differentiation and myeloid cell-specific inflammasome activation via the IFNAR.

Main Results:

  • IFN-I exerts diverse effects on myeloid cells, influencing their activation, maturation, antigen presentation, and cytokine production.
  • IFN-I modulates T cell differentiation and expansion, and regulates myeloid cell functions like apoptosis and phagocytosis.
  • Engagement of the IFNAR on myeloid cells alters inflammasome activation in a cell type-specific manner, with complex, spatially differential effects during inflammation.

Conclusions:

  • While often considered immunosuppressive, IFN-I's effects on myeloid cells in CNS autoimmunity are complex and context-dependent.
  • Characterizing these mechanisms offers opportunities for targeted, localized IFN-I therapies.
  • This could advance beyond current broad immunosuppressive strategies used in Multiple Sclerosis (MS) treatment.