Evaluation of Midkine Expression in Dentigerous Cysts, Odontogenic Keratocysts and Different Types of Ameloblastoma
Journal Title: Turkish Journal of Pathology - Year 2018, Vol 34, Issue 2
Abstract
Objective: Midkine is a heparin-binding growth factor whose expression is increased in most tumors, namely ameloblastomas. This study aimed to compare Midkine expression in different odontogenic lesions. Material and Method: This analytical cross-sectional study was performed on 52 definitely diagnosed odontogenic lesions including 15 dentigerous cysts, 13 odontogenic keratocysts, and 17 unicystic and 5 multicystic ameloblastomas archived from 1997 to 2015. Midkine expression was examined in tissue samples through immunohistochemistry. The nonparametric Kruskal-Wallis and Mann-Whitney tests were run as appropriate (P < 0.05). Results: The frequency of Midkine expression was < 20% in 7.7%, 20-50% in 25%, and > 50 % in 67.3% of the samples, indicating significant differences among the groups (P = 0.002). Moreover, the expression intensity was strong in 63.5%, moderate in 23.1%, and weak in 13.5% of odontogenic lesion samples (P = 0.071). The total staining score was weak in 3.8%, moderate in 48.1%, and strong in 48.1% of the cells, displaying significant differences between the study groups in this regard (P = 0.043). Conclusion: Midkine can be considered as both a differentiating factor and a molecular-targeted therapy in odontogenic lesions. Yet, further studies are required to approve the role of this cytokine in different biological and pathological stages of the tumors.
Authors and Affiliations
Naghmeh JEIROODI, Mahshid BAGHERPOUR, Razieh ZARE, Shima TORABİ ARDAKANI, Azadeh ANDISHEH TADBIR
Keywords
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- EP ID EP287728
- DOI 10.5146/tjpath.2017.01421
- Views 81
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