Skin Immune Landscape: Inside and Outside the Organism

The skin is an essential organ to the human body protecting it from external aggressions and pathogens. Over the years, the skin was proven to have a crucial immunological role, not only being a passive protective barrier but a network of effector cells and molecular mediators that constitute a high...

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Main Authors: Florence Abdallah, Lily Mijouin, Chantal Pichon
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/2017/5095293
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author Florence Abdallah
Lily Mijouin
Chantal Pichon
author_facet Florence Abdallah
Lily Mijouin
Chantal Pichon
author_sort Florence Abdallah
collection DOAJ
description The skin is an essential organ to the human body protecting it from external aggressions and pathogens. Over the years, the skin was proven to have a crucial immunological role, not only being a passive protective barrier but a network of effector cells and molecular mediators that constitute a highly sophisticated compound known as the “skin immune system” (SIS). Studies of skin immune sentinels provided essential insights of a complex and dynamic immunity, which was achieved through interaction between the external and internal cutaneous compartments. In fact, the skin surface is cohabited by microorganisms recognized as skin microbiota that live in complete harmony with the immune sentinels and contribute to the epithelial barrier reinforcement. However, under stress, the symbiotic relationship changes into a dysbiotic one resulting in skin disorders. Hence, the skin microbiota may have either positive or negative influence on the immune system. This review aims at providing basic background information on the cutaneous immune system from major cellular and molecular players and the impact of its microbiota on the well-coordinated immune responses in host defense.
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publishDate 2017-01-01
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series Mediators of Inflammation
spelling doaj-art-b00889026b2e4921afc60fb7e73da6a32025-02-03T01:07:25ZengWileyMediators of Inflammation0962-93511466-18612017-01-01201710.1155/2017/50952935095293Skin Immune Landscape: Inside and Outside the OrganismFlorence Abdallah0Lily Mijouin1Chantal Pichon2Centre de Biophysique Moléculaire, CNRS UPR4301, Orléans, FranceRemedials Laboratoire, 91 rue du Faubourg Saint-Honoré, 75008 Paris, FranceCentre de Biophysique Moléculaire, CNRS UPR4301, Orléans, FranceThe skin is an essential organ to the human body protecting it from external aggressions and pathogens. Over the years, the skin was proven to have a crucial immunological role, not only being a passive protective barrier but a network of effector cells and molecular mediators that constitute a highly sophisticated compound known as the “skin immune system” (SIS). Studies of skin immune sentinels provided essential insights of a complex and dynamic immunity, which was achieved through interaction between the external and internal cutaneous compartments. In fact, the skin surface is cohabited by microorganisms recognized as skin microbiota that live in complete harmony with the immune sentinels and contribute to the epithelial barrier reinforcement. However, under stress, the symbiotic relationship changes into a dysbiotic one resulting in skin disorders. Hence, the skin microbiota may have either positive or negative influence on the immune system. This review aims at providing basic background information on the cutaneous immune system from major cellular and molecular players and the impact of its microbiota on the well-coordinated immune responses in host defense.http://dx.doi.org/10.1155/2017/5095293
spellingShingle Florence Abdallah
Lily Mijouin
Chantal Pichon
Skin Immune Landscape: Inside and Outside the Organism
Mediators of Inflammation
title Skin Immune Landscape: Inside and Outside the Organism
title_full Skin Immune Landscape: Inside and Outside the Organism
title_fullStr Skin Immune Landscape: Inside and Outside the Organism
title_full_unstemmed Skin Immune Landscape: Inside and Outside the Organism
title_short Skin Immune Landscape: Inside and Outside the Organism
title_sort skin immune landscape inside and outside the organism
url http://dx.doi.org/10.1155/2017/5095293
work_keys_str_mv AT florenceabdallah skinimmunelandscapeinsideandoutsidetheorganism
AT lilymijouin skinimmunelandscapeinsideandoutsidetheorganism
AT chantalpichon skinimmunelandscapeinsideandoutsidetheorganism