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Related Concept Videos

Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
Introduction to Innate and Adaptive Immunity01:21

Introduction to Innate and Adaptive Immunity

The human immune system is a complex defense mechanism that protects the body from harmful pathogens and foreign substances. It comprises two crucial components: innate and adaptive immunity.
Innate immunity is the body's natural, nonspecific defense system that acts quickly to protect against pathogens. It incorporates physical barriers like skin and mucous membranes and cellular elements such as phagocytes and natural killer cells. This part of our immune system provides an immediate,...
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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...

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Related Experiment Video

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Preparation of Single-cell Suspensions for Cytofluorimetric Analysis from Different Mouse Skin Regions
05:58

Preparation of Single-cell Suspensions for Cytofluorimetric Analysis from Different Mouse Skin Regions

Published on: April 20, 2016

Cutaneous perspectives on adaptive immunity.

Michael Girardi1

  • 1Department of Dermatology, Yale University School of Medicine, New Haven, CT, USA. girardi@yale.edu

Clinical Reviews in Allergy & Immunology
|December 21, 2007
PubMed
Summary

The skin

Area of Science:

  • Immunology
  • Dermatology
  • Cellular Biology

Background:

  • The skin acts as a crucial barrier against environmental hazards like microbes and radiation.
  • Immune responses in the skin are mediated by both innate and adaptive immunity.
  • Adaptive immunity involves antigen-specific responses crucial for host defense.

Purpose of the Study:

  • To review the adaptive immune system's functions within the skin.
  • To explore the roles of dendritic cells, lymphocytes, and cytokines in skin immunity.
  • To examine T cell subsets and their regulation of adaptive skin immunity.

Main Methods:

  • Review of scientific literature on skin immunology.
  • Analysis of the mechanisms of T cell-mediated adaptive immunity in the skin.

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Published on: April 20, 2016

Murine Model of Epicutaneously-Induced Immunomodulation
09:07

Murine Model of Epicutaneously-Induced Immunomodulation

Published on: June 24, 2025

  • Focus on antigen surveillance, effector functions, and immunologic memory.

    • Main Results:

    • Adaptive immunity in the skin efficiently surveys foreign antigens while maintaining self-tolerance.
    • T cells differentiate into effector cells that eliminate infected cells and coordinate immune responses.
    • The skin's adaptive immune system establishes immunologic memory for enhanced responses to subsequent exposures.

    Conclusions:

    • The adaptive immune system plays a vital role in microbial defense within the skin.
    • Skin-resident adaptive immunity is critical for tumor immunosurveillance.
    • Understanding adaptive immunity in the skin is key to addressing inflammatory diseases.