Mediators of Pruritus in Psoriasis

The pathogenesis of pruritus in psoriasis remains unclear. Many possible mediators were implicated to transmit or modulate this sensation in psoriasis, but none has been clearly proven to be a causative agent of itching. The most often discussed theory mentioned the importance of impaired innervatio...

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Main Authors: Adam Reich, Jacek C. Szepietowski
Format: Article
Language:English
Published: Wiley 2007-01-01
Series:Mediators of Inflammation
Online Access:http://dx.doi.org/10.1155/2007/64727
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author Adam Reich
Jacek C. Szepietowski
author_facet Adam Reich
Jacek C. Szepietowski
author_sort Adam Reich
collection DOAJ
description The pathogenesis of pruritus in psoriasis remains unclear. Many possible mediators were implicated to transmit or modulate this sensation in psoriasis, but none has been clearly proven to be a causative agent of itching. The most often discussed theory mentioned the importance of impaired innervations and neuropeptides imbalance in psoriatic skin. Other possible causes of itching might be increased expression of interleukin 2 or vascular abnormalities. Recent data indicated that pruritus could be also evoked by opioid system, prostanoids, interleukin 31, serotonin, or proteases. Whether these mechanisms are also involved in pruritus accompanying psoriasis requires further investigation. Limited knowledge of pruritus origin in psoriasis is responsible for the lack of the effective antipruritic treatments for psoriatics. Here, we summarize the current knowledge about the pathogenesis of pruritus in psoriasis and point out possible directions of future studies aiming the pathogenesis of this symptom in psoriasis.
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spelling doaj-art-c20fab92d93d41dd938e5171a8928d172025-08-20T03:23:30ZengWileyMediators of Inflammation0962-93511466-18612007-01-01200710.1155/2007/6472764727Mediators of Pruritus in PsoriasisAdam Reich0Jacek C. Szepietowski1Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Ul. T. Chalubinskiego 1, Wroclaw 50-368, PolandDepartment of Dermatology, Venereology and Allergology, Wroclaw Medical University, Ul. T. Chalubinskiego 1, Wroclaw 50-368, PolandThe pathogenesis of pruritus in psoriasis remains unclear. Many possible mediators were implicated to transmit or modulate this sensation in psoriasis, but none has been clearly proven to be a causative agent of itching. The most often discussed theory mentioned the importance of impaired innervations and neuropeptides imbalance in psoriatic skin. Other possible causes of itching might be increased expression of interleukin 2 or vascular abnormalities. Recent data indicated that pruritus could be also evoked by opioid system, prostanoids, interleukin 31, serotonin, or proteases. Whether these mechanisms are also involved in pruritus accompanying psoriasis requires further investigation. Limited knowledge of pruritus origin in psoriasis is responsible for the lack of the effective antipruritic treatments for psoriatics. Here, we summarize the current knowledge about the pathogenesis of pruritus in psoriasis and point out possible directions of future studies aiming the pathogenesis of this symptom in psoriasis.http://dx.doi.org/10.1155/2007/64727
spellingShingle Adam Reich
Jacek C. Szepietowski
Mediators of Pruritus in Psoriasis
Mediators of Inflammation
title Mediators of Pruritus in Psoriasis
title_full Mediators of Pruritus in Psoriasis
title_fullStr Mediators of Pruritus in Psoriasis
title_full_unstemmed Mediators of Pruritus in Psoriasis
title_short Mediators of Pruritus in Psoriasis
title_sort mediators of pruritus in psoriasis
url http://dx.doi.org/10.1155/2007/64727
work_keys_str_mv AT adamreich mediatorsofpruritusinpsoriasis
AT jacekcszepietowski mediatorsofpruritusinpsoriasis