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Published on: November 9, 2017
Cytokine network in psoriasis revisited.
Anna Michalak-Stoma1, Aldona Pietrzak, Jacek C Szepietowski
1Department of Dermatology, Venereology and Paediatric Dermatology, Medical University of Lublin, ul. Radziwiłłowska 13, 20-080 Lublin, Poland. annamichalak@wp.pl
Psoriasis is a T-cell mediated inflammatory skin disease. Key T-helper (Th) cells and their cytokines, particularly the IL-23/Th17 pathway, are crucial in its pathogenesis.
Area of Science:
- Immunodermatology
- Molecular biology
- Genetics
Background:
- Psoriasis is a chronic, genetically determined inflammatory skin disease.
- T-helper (Th) cells, including Th1, Th17, and Th22 subsets, are central to psoriasis pathogenesis.
- Elevated levels of specific cytokines (IFNγ, IL-2, IL-17A, IL-17F, IL-22, IL-26, TNFα) are observed in psoriatic lesions and serum.
Purpose of the Study:
- To elucidate the role of T-helper cells and cytokine imbalance in psoriasis.
- To highlight the significance of the IL-23/Th17 pathway in disease development.
- To underscore the ongoing research into psoriatic pathogenesis.
Main Methods:
- Review of clinical studies and experimental models.
- Analysis of cytokine profiles in serum and lesional skin.
- Examination of T-helper cell subsets involved in inflammation.
Main Results:
- T-cell mediated inflammation is a key feature of psoriasis.
- Increased serum and lesional levels of Th1, Th17, and Th22 cytokines, including IL-22.
- The IL-23/Th17 pathway is identified as a dominant factor in psoriasis pathogenesis.
- Other significant cytokines include IL-23, IL-20, and IL-15.
Conclusions:
- Cytokine imbalance is fundamental to understanding psoriasis.
- The intricate interplay of T-helper cells and cytokines drives psoriatic pathology.
- Continued research in this area promises further insights into dermatological mechanisms.
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