ISSN:
1432-0711
Keywords:
Filaggrin
;
Immunohistochemistry
;
Squamous differentiation
;
Uterine Cervix
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
Abstract Epithelial distribution of filaggrin, a histidine-rich protein related to squamous terminal differentiation, was investigated in 87 cervical biopsies using an avidin-biotin-peroxidase technique with a monoclonal anti-human filaggrin antibody (AKH1). Normal squamous cervical epithelium exhibited a positive homogeneous immunoperoxidase stain in the upper parabasal, intermediate and superficial cell layers. Similar findings were obtained in cervical condylomas, although full-thickness staining was observed in 35.7% of the cases (P〈0.001). Filaggrin expression in CIN was inversely related to the severity of the lesion (P〈0.001). An irregular staining pattern was present in most high-grade CIN. Filaggrin expression was closely connected to the degree of tumour differentiation (P〈0.05) in squamous cell carcinomas of the cervix. Abnormal filaggrin stainings identified a premalignant/malignant cervical squamous lesion with a positive predictive value of 92.3%. Non-squamous epithelia showed lack of filaggrin expression. Filaggrin may therefore be considered a marker of squamous differentiation in both the normal and pathological human uterine cervix.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02391801
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