STUDY OF IL-22 EXPRESSION IN THE SKIN OF PEMPHIGUS VULGARIS PATIENTS

Document Type : Preliminary preprint short reports of original research

Authors

1 Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University

2 Department of pathology, Faculty of Medicine,University of Alexandria.

Abstract

Pemphigus encompasses a group of life-threatening autoimmune bullous diseases characterized by flaccid blisters and erosions of the mucous membranes and/or skin. The autoimmune reaction is driven by autoreactive T lymphocytes and B lymphocytes and their related cytokines such as IL-17, IL-21, IL-22, and IL-23.

Aim of the work:
The aim of this study was to detect IL-22 expression in the skin of pemphigus vulgaris patients.
Patient:
This study was conducted on Thirty pemphigus vulgaris (PV) patients who were diagnosed as pemphigus vulgaris clinically and confirmed histopathologically, compared to Fifteen tissue specimens of pathologically unremarkable skin findings from the safety margin of basal and squamous cell carcinomas as control group.

Methods:
Two Skin biopsies were taken under local anesthesia from all participants. One to be stained with hematoxylin & eosin (H&E) and the other section was stained immunohistochemically for IL-22.

Results:
Percentage score was applied on the positively stained tissue section in both cases and control, with statistical significant differences between cases and control (P=

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