Volume 118, Issue 3 pp. 210-221

Evaluation of coxsackievirus and adenovirus receptor expression in human benign and malignant thyroid lesions

CONSTANTINOS GIAGINIS

CONSTANTINOS GIAGINIS

Department of Forensic Medicine and Toxicology, Medical School, University of Athens, Athens

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APOSTOLOS ZARROS

APOSTOLOS ZARROS

Department of Forensic Medicine and Toxicology, Medical School, University of Athens, Athens

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PARASKEVI ALEXANDROU

PARASKEVI ALEXANDROU

First Department of Pathology, Medical School, University of Athens, Athens, Greece

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JERZY KLIJANIENKO

JERZY KLIJANIENKO

Department of Pathology, Institut Curie, Paris, France

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IOANNA DELLADETSIMA

IOANNA DELLADETSIMA

First Department of Pathology, Medical School, University of Athens, Athens, Greece

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STAMATIOS THEOCHARIS

STAMATIOS THEOCHARIS

Department of Forensic Medicine and Toxicology, Medical School, University of Athens, Athens

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First published: 01 February 2010
Citations: 12
Stamatios Theocharis, Department of Forensic Medicine and Toxicology, Medical School, University of Athens, 75 M. Asias str., Goudi, GR11527 Athens, Greece. e-mail: [email protected]

Abstract

Giaginis C, Zarros A, Alexandrou P, Klijanienko J, Delladetsima I, Theocharis S. Evaluation of coxsackievirus and adenovirus receptor expression in human benign and malignant thyroid lesions. APMIS 2010; 118: 210–21.

Coxsackievirus and adenovirus receptor (CAR) expression on tumor cells is associated with sensitivity to adenoviral infection, being considered as a surrogate marker for monitoring and/or predicting adenovirus-mediated gene therapy. The aim of this study was to evaluate the clinical significance of CAR expression in human benign and malignant thyroid lesions. CAR protein expression was assessed immunohistochemically on paraffin-embedded thyroid tissues from 107 patients with benign and malignant lesions and was statistically analyzed in relation to histopathologic type; tumor size; lymph node metastasis; capsular, lymphatic and vessel invasion; as well as follicular cells’ proliferative capacity. CAR immunoreactivity was characterized as negative/weak in 53 (49.53%), moderate in 31 (28.97%) and strong in 23 (21.50%) of 107 thyroid cases. CAR immunoreactivity was significantly increased in malignant compared with that in benign thyroid lesions (p = 0.00002). Both malignant and benign thyroid lesions with enhanced follicular cells’ proliferative capacity showed significantly increased CAR immunoreactivity (p = 0.00027). In malignant thyroid lesions, enhanced CAR immunoreactivity was significantly associated with larger tumor size (p = 0.0067). The current data revealed that CAR immunoreactivity could be considered of diagnostic utility in thyroid neoplasia. Further research effort is warranted to delineate whether CAR could be considered clinically important for both diagnosis and future (gene) therapeutic applications in thyroid neoplasia.

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