Hyperproliferation Markers in Ear Canal Epidermis

Overview

Journal Braz J Otorhinolaryngol

Specialty Otorhinolaryngology

Date 2010 Oct 22

PMID 20963355

Citations 3

Authors

Joao Daniel Caliman e Gurgel

Siqueira Barbosa Pereira

Adriana Leal Alves

Fernando Quintanilha Ribeiro

Affiliations

Soon will be listed here.

Abstract

Unlabelled: Several studies involving immunohistochemical methods to assess external auditory canal epidermis have been performed with different objectives. With this method it is possible to assess the expression of various antigens such as cytokeratins, cytokines, and hyperproliferation markers among others.

Aim: to revise, describe and analyze the knowledge generated by identifiable papers published on the worldwide literature about immunohistochemical hyperproliferation markers in normal external auditory canal epidermis.

Materials And Methods: systematic review of the papers published until 2009, in indexed international journals.

Results: Various antigens related to hyperproliferation were investigated by immunohistochemical methods among the included papers. The most studied ones were cytokeratin 16, Ki-67 and PCNA.

Conclusions: most of the studies utilized external auditory canal epidermis as control sample to study external ear or middle ear cholesteatoma with immunohistochemical methods. There is a hyperproliferative antigen concentration, such as CK16, Ki-67 and PCNA, in the annulus tympanicus, adjacent meatus and tympanic regions, mainly in the lower areas.

Citing Articles

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Activation of the IL-6/JAK/STAT3 signaling pathway in human middle ear cholesteatoma epithelium.

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