Related Experiment Video

Updated: Jun 22, 2026

Assessing the Innate Sensing of HIV-1 Infected CD4+ T Cells by Plasmacytoid Dendritic Cells Using an Ex vivo Co-culture System.
08:11

Assessing the Innate Sensing of HIV-1 Infected CD4+ T Cells by Plasmacytoid Dendritic Cells Using an Ex vivo Co-culture System.

Published on: September 1, 2015

The Effect of Beta Interferon on Dendritic Cells and Cytokine Synthesis by CD4+ T Cells

Saeid Abediankenari1, Davoud Shaker, Farshideh Abedian

  • 1Department of Microbiology and Immunology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran. abedianlab@yahoo.co.uk

Iranian Journal of Immunology : IJI
|June 30, 2009
PubMed

Insights

Interferon-beta (IFN-beta) treated dendritic cells (DC) can inhibit T cell activation by reducing cytokine production. This immune modulation is crucial for preventing excessive immune responses.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Dendritic cells (DC) are critical regulators of immune responses.
  • Interferon-beta (IFN-beta) is recognized for its immunomodulatory effects on DC.

Purpose of the Study:

  • To assess the capacity of IFN-beta-treated DC to influence cytokine secretion from CD4+ T cells.
  • Investigate the impact of IFN-beta on DC-mediated T cell activation.

Main Methods:

  • Dendritic cells were cultured from blood monocytes using GM-CSF and IL-4, with or without IFN-beta.
  • Cytokine production (IL-17, IFN-gamma, IL-10) in DC-T cell co-cultures was quantified using ELISA.
  • The influence of HLA-G and costimulatory molecules on DC maturation and function was examined.

Main Results:

  • IFN-beta treatment of DC led to a significant reduction in IFN-gamma and IL-17 secretion by T cells.
  • The presence of HLA-G-bearing DC correlated with decreased levels of IFN-gamma and IL-17.

Conclusions:

  • DC treated with IFN-beta can inhibit T cell activation through modulation of cytokine production.
  • This mechanism is important for maintaining immune homeostasis and preventing immune system overactivation.
Abstract

More Related Videos

In Vitro Assay to Evaluate the Impact of Immunoregulatory Pathways on HIV-specific CD4 T Cell Effector Function09:26

In Vitro Assay to Evaluate the Impact of Immunoregulatory Pathways on HIV-specific CD4 T Cell Effector Function

Published on: October 15, 2013

Whole Blood Assay with Dual Co-Stimulation for Antigen-Specific Analysis of Host Immunity to Fungal and Viral Pathogens06:03

Whole Blood Assay with Dual Co-Stimulation for Antigen-Specific Analysis of Host Immunity to Fungal and Viral Pathogens

Published on: September 20, 2024

Related Concept Videos

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...
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...
T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...