Abstract
The purpose of this study was to investigate and to compare, by in situ hybridization, gene expression of IL-1 beta, IL-8, TGF-beta 1, TGF-beta 2, TGF-beta 3, TGF-alpha, p53 and c-myc in lesions and in non-involved skin of patients with psoriasis. All lesional skin biopsies showed overexpression of IL-1 beta, IL-8 TGF-alpha mRNAs. IL-1 beta hybridization signals were strong in a small number of cells localized predominantly in the dermal papillae and in the suprapapillary epidermis. Overexpression of TGF-alpha was observed in all suprabasal keratinocytes, whereas strongly elevated IL-8 mRNA expression was found to be restricted to clusters of suprabasal keratinocytes. TGF-beta 3, p53 and c-myc transcripts were clearly detected in the epidermis of all biopsies, although expression levels were comparable in lesional and non-lesional skin.
MeSH Terms
Cytokines/genetics
Gene Expression
Genes, Tumor Suppressor
Genes, myc
Genes, p53
Humans
In Situ Hybridization
Interleukin-1/genetics
Interleukin-8/genetics
Proto-Oncogene Mas
Proto-Oncogenes
Psoriasis/genetics,immunology
Transforming Growth Factor alpha/genetics
Transforming Growth Factor beta/genetics
Chemicals
Cytokines
Interleukin-1
Interleukin-8
MAS1 protein, human
Proto-Oncogene Mas
Transforming Growth Factor alpha
Transforming Growth Factor beta
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Schmid P
CIBA-GEIGY Ltd., Pharma Division, Basel, Switzerland.
Cox D
McMaster G K
Itin P
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