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Related Concept Videos

The Effect of Aging on Tissues01:19

The Effect of Aging on Tissues

Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
Aging01:26

Aging

Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Psychoneuroimmunology: Diabetes and Cancer01:19

Psychoneuroimmunology: Diabetes and Cancer

Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
Autoimmune Disorders01:29

Autoimmune Disorders

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.
Concept and Mechanism of Autoimmune Diseases
The immune system...

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Related Experiment Video

Updated: May 26, 2026

Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood
07:58

Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood

Published on: April 16, 2012

Dendritic cells and aging: consequences for autoimmunity.

Anshu Agrawal1, Aishwarya Sridharan, Sangeetha Prakash

  • 1Division of Basic and Clinical Immunology, Department of Medicine, University of California, Irvine, CA 92697, USA. aagrawal@uci.edu

Expert Review of Clinical Immunology
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

Aging impacts dendritic cell (DC) functions, potentially disrupting immune balance and increasing autoimmunity risk. Understanding these age-related DC changes is crucial for managing immune disorders.

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Development and Functional Characterization of Murine Tolerogenic Dendritic Cells
09:51

Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

Published on: May 18, 2018

Related Experiment Videos

Last Updated: May 26, 2026

Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood
07:58

Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood

Published on: April 16, 2012

Development and Functional Characterization of Murine Tolerogenic Dendritic Cells
09:51

Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

Published on: May 18, 2018

Area of Science:

  • Immunology
  • Autoimmunity
  • Gerontology

Background:

  • The immune system balances responses to foreign pathogens and tolerance to self-antigens.
  • Dendritic cells (DCs) are key regulators of this immune balance.
  • Dysregulation can lead to chronic inflammation and autoimmune diseases.

Purpose of the Study:

  • To provide an overview of how aging affects dendritic cell functions.
  • To explore the implications of age-related DC changes in autoimmunity.

Main Methods:

  • Review of existing literature on dendritic cell biology and aging.
  • Analysis of the impact of age on DC maturation and function.
  • Examination of the link between age-associated DC alterations and autoimmune disease development.

Main Results:

  • Advancing age influences dendritic cell functions.
  • Age-related changes in DCs can shift the balance between immune tolerance and immunity.
  • These alterations may contribute to the onset or exacerbation of autoimmune conditions.

Conclusions:

  • Aging significantly impacts dendritic cell function.
  • Age-associated DC dysregulation is implicated in the development of autoimmunity.
  • Further research into age-related DC changes is warranted for therapeutic strategies.