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Updated: Aug 8, 2026
10:31
Lymphocyte Isolation from Human Skin for Phenotypic Analysis and Ex Vivo Cell Culture
Published on: April 8, 2016
The immunological basis of psoriasis
1The Dermatology Centre, University of Manchester School of Medicine, Hope Hospital, Salford, Manchester M6 8HD, UK. christopher.griffiths@man.ac.uk
Summary
Psoriasis is an immune-mediated disorder, primarily involving T cells and Th1 cytokines like interferon gamma in skin plaques. Targeted therapies confirm T-cell involvement, advancing our understanding of psoriasis biology.
Area of Science:
- Immunology
- Dermatology
- Cellular Biology
Background:
- Psoriasis is increasingly recognized as an immune-mediated condition.
- T cells play a crucial role in the pathogenesis of psoriatic skin lesions.
- Understanding the specific immune mechanisms is key to developing effective treatments.
Purpose of the Study:
- To review the evidence supporting psoriasis as a T-cell-mediated immune disorder.
- To highlight the role of specific immune cells and cytokines in psoriasis.
- To discuss the implications of T-cell targeted therapies.
Main Methods:
- Review of laboratory studies, clinical observations, and therapeutic outcomes.
- Immunohistochemical analysis of psoriatic plaques.
- Analysis of cytokine profiles in psoriatic lesions.
Main Results:
- Psoriatic plaques are infiltrated by CD45RO+ memory-effector T cells.
- A predominance of Th1 cytokines, such as interferon gamma, is observed.
- Therapeutic agents targeting T cells demonstrate significant efficacy.
Conclusions:
- Psoriasis is definitively an immune-mediated disease driven by T cells.
- Specific T-cell subsets and Th1-biased cytokine profiles are characteristic.
- Targeted immunotherapies and cytokine modulation represent promising therapeutic strategies.
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