CD44 expression in alopecia areata and androgenetic alopecia.

Abstract:

:CD44 is a widely distributed cell surface protein thought to be involved in multiple steps of normal immune cell function, including T-cell activation, and in cellular adhesion where it mediates cell attachment to hyaluronate. In normal skin, CD44 is found by immunohistochemical means to be primarily in eccrine coil cells. In this study, we have looked at the expression of CD44 in normal scalp and in two different hair disorders, androgenetic alopecia and alopecia areata. In normal scalp and androgenetic alopecia, CD44 was found in its normal distribution in eccrine coil cells. In scalp of 30 patients with alopecia areata, there was no expression of this glycoprotein. Patients were also assessed pre and post treatment for their alopecia areata, and even though they had no significant hair regrowth, 2 patients regained expression of CD44, indicating a variable expression of this protein in the alopecia areata disease process. The absence of CD44 expression in alopecia areata-affected scalp may give further information regarding the pathogenesis of this disease.

journal_name

J Cutan Pathol

authors

Sawaya ME,Bakshandeh H,Hordinsky MK,Penneys NS

doi

10.1111/j.1600-0560.1994.tb00265.x

subject

Has Abstract

pub_date

1994-06-01 00:00:00

pages

229-32

issue

3

eissn

0303-6987

issn

1600-0560

journal_volume

21

pub_type

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