Ann Dermatol.  1995 Apr;7(2):169-171. 10.5021/ad.1995.7.2.169.

Enhanced Expression of Proliferating Cell Nuclear Antigen in Psoriatic Epidermis

Abstract

BACKGROUND
The proliferating cell nuclear antigen(PCNA), one of the markers for proliferating cells, has been detected in solid human neoplasms. Psoriasis is a benign hyperproliferative disorder of the skin.
OBJECTIVE
This study has been made to investigate if PCNA can be detected in the psoriatic epidermis.
METHODS
Specimens from 10 patients with psoriasis were stained for PCNA using the one hour immunoalkaline phosphatase technique.
RESULTS
The psoriatic epidermis showed positive nuclear staining in 20%-61% (mean, 45.7%) of keratinocytes.
CONCLUSION
PCNA seems to be involved in the mechanism of increased epidermal cell proliferation in psoriatic lesions.

Keyword

PCNA; Psoriasis

MeSH Terms

Cell Proliferation
Epidermis*
Humans
Keratinocytes
Proliferating Cell Nuclear Antigen*
Psoriasis
Skin
Proliferating Cell Nuclear Antigen
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