Hyperproliferation markers in ear canal epidermis

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....

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Veröffentlicht in:Brazilian journal of otorhinolaryngology 2010-09, Vol.76 (5), p.667-671
Hauptverfasser: Gurgel, João Daniel Caliman e, Pereira, Celina Siqueira Barbosa, Alves, Adriana Leal, Ribeiro, Fernando Quintanilha
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container_issue 5
container_start_page 667
container_title Brazilian journal of otorhinolaryngology
container_volume 76
creator Gurgel, João Daniel Caliman e
Pereira, Celina Siqueira Barbosa
Alves, Adriana Leal
Ribeiro, Fernando Quintanilha
description 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. 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. systematic review of the papers published until 2009, in indexed international journals. 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. 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.
doi_str_mv 10.1590/S1808-86942010000500023
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subjects Biomarkers - analysis
Cell Proliferation
cholesteatoma
Cholesteatoma, Middle Ear - metabolism
ear canal
Ear Canal - metabolism
Epidermis - metabolism
Humans
Immunohistochemistry
Keratin-16 - analysis
keratins
Ki-67 Antigen - analysis
Proliferating Cell Nuclear Antigen - analysis
Review
Tympanic Membrane
title Hyperproliferation markers in ear canal epidermis
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