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Related Concept Videos

T Cell Types and Functions01:24

T Cell Types and Functions

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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.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
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Renewal of Skin Epidermal Stem Cells01:12

Renewal of Skin Epidermal Stem Cells

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The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular...
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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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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.
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Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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Role of Skin in Vitamin D Synthesis01:23

Role of Skin in Vitamin D Synthesis

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The skin plays a crucial role in the synthesis of vitamin D, a vital nutrient for various physiological processes in the body. Vitamin D is unique because it can be synthesized in the skin through a series of chemical reactions triggered by exposure to ultraviolet B (UVB) radiation from sunlight.
The solar UV B rays (290-315 nm) are absorbed by the skin, and 7-dehydrocholesterol (provitamin D3) photolyzes it to previtamin D3, which undergoes a rapid transformation to vitamin...
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Related Experiment Video

Updated: Feb 26, 2026

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

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Regulatory T cells in skin.

Niwa Ali1,2, Michael D Rosenblum1

  • 1Department of Dermatology, University of California at San Francisco, San Francisco, CA, USA.

Immunology
|July 13, 2017
PubMed
Summary
This summary is machine-generated.

Regulatory T (Treg) cells in the skin manage inflammation and support tissue repair. Understanding their migration and function offers new therapeutic avenues for skin conditions.

Keywords:
autoimmunityregulatory T cellsskin

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Area of Science:

  • Immunology
  • Dermatology
  • Cell Biology

Background:

  • Foxp3+ CD4+ regulatory T (Treg) cells are crucial for immune homeostasis.
  • Skin harbors a significant population of Treg cells, yet their specific functions are less understood compared to other organs.
  • Existing research highlights Treg cells' roles in inflammation, but their skin-specific functions require further elucidation.

Purpose of the Study:

  • To review the current understanding of Treg cell migration, maintenance, and specialized functions within the skin.
  • To explore the molecular and cellular mechanisms governing Treg cell behavior in cutaneous tissues.
  • To identify potential therapeutic strategies targeting skin Treg cells for various dermatological conditions.

Main Methods:

  • Literature review synthesizing existing research on skin Treg cell biology.
  • Analysis of cellular and molecular pathways involved in Treg cell homing and survival in the skin.
  • Examination of Treg cell-mediated processes including hair follicle regeneration, wound healing, and immune tolerance.

Main Results:

  • Treg cells migrate to the skin and are maintained through specific cellular and molecular pathways.
  • Skin Treg cells play specialized roles in hair follicle regeneration, wound healing, and promoting tolerance to skin microbes.
  • The biology of skin Treg cells is integral to maintaining skin homeostasis and immune responses.

Conclusions:

  • A comprehensive understanding of skin Treg cell biology is essential for advancing dermatological therapies.
  • Targeting skin Treg cells holds promise for treating autoimmune diseases, skin cancers, and regenerative disorders.
  • Further research into skin Treg cell functions can unlock novel therapeutic interventions for diverse skin conditions.