Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis

Itch is an unpleasant perception that provokes one to desire to scratch. It results from the activation of free nerve endings by noxious stimuli in the skin. Atopic dermatitis (AD) is a prototypic inflammatory skin disease that always occurs with an intense itch. AD involves many components of skin-...

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Main Author: Chih-Hung Lee
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2016-03-01
Series:Dermatologica Sinica
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1027811715001123
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author Chih-Hung Lee
author_facet Chih-Hung Lee
author_sort Chih-Hung Lee
collection DOAJ
description Itch is an unpleasant perception that provokes one to desire to scratch. It results from the activation of free nerve endings by noxious stimuli in the skin. Atopic dermatitis (AD) is a prototypic inflammatory skin disease that always occurs with an intense itch. AD involves many components of skin-associated lymphoid tissue (SALT). As a disease with polarized T helper 2 cell activation, AD involves eosinophil infiltration and immunoglobulin E, interleukin (IL)-2, IL-4, IL-13, and IL-31 production. As a disease involving an impaired skin barrier, AD is characterized by the enhanced transepidermal entry of allergens and the production of thymic stromal lymphopoietin (TSLP) from epidermal keratinocytes, which worsen atopic march and disease progression. Both immune and epidermal events interact with cutaneous nerve components, including transient receptor potential (TRP) channels and opioid receptors, causing both the perception and propagation of itch from the skin to the brain. In addition to treating itch through TRP channels and opioid receptors, it might be possible to target the various cellular components of SALT, including keratinocytes, eosinophils, and soluble factors, such as IL-31, IL-4, IL-13, IL-31, and TSLP.
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spelling doaj.art-32b44c968ff44178864e4384f39fd85f2022-12-21T19:08:49ZengWolters Kluwer Medknow PublicationsDermatologica Sinica1027-81172016-03-013411510.1016/j.dsi.2015.10.002Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitisChih-Hung LeeItch is an unpleasant perception that provokes one to desire to scratch. It results from the activation of free nerve endings by noxious stimuli in the skin. Atopic dermatitis (AD) is a prototypic inflammatory skin disease that always occurs with an intense itch. AD involves many components of skin-associated lymphoid tissue (SALT). As a disease with polarized T helper 2 cell activation, AD involves eosinophil infiltration and immunoglobulin E, interleukin (IL)-2, IL-4, IL-13, and IL-31 production. As a disease involving an impaired skin barrier, AD is characterized by the enhanced transepidermal entry of allergens and the production of thymic stromal lymphopoietin (TSLP) from epidermal keratinocytes, which worsen atopic march and disease progression. Both immune and epidermal events interact with cutaneous nerve components, including transient receptor potential (TRP) channels and opioid receptors, causing both the perception and propagation of itch from the skin to the brain. In addition to treating itch through TRP channels and opioid receptors, it might be possible to target the various cellular components of SALT, including keratinocytes, eosinophils, and soluble factors, such as IL-31, IL-4, IL-13, IL-31, and TSLP.http://www.sciencedirect.com/science/article/pii/S1027811715001123atopic dermatitisIL-31itchSALTTSLP
spellingShingle Chih-Hung Lee
Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
Dermatologica Sinica
atopic dermatitis
IL-31
itch
SALT
TSLP
title Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
title_full Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
title_fullStr Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
title_full_unstemmed Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
title_short Immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
title_sort immune regulation in pathophysiology and targeted therapy for itch in atopic dermatitis
topic atopic dermatitis
IL-31
itch
SALT
TSLP
url http://www.sciencedirect.com/science/article/pii/S1027811715001123
work_keys_str_mv AT chihhunglee immuneregulationinpathophysiologyandtargetedtherapyforitchinatopicdermatitis