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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
ORIGINAL ARTICLE Table of Contents   
Year : 2021  |  Volume : 25  |  Issue : 1  |  Page : 97-104
Evaluation of immunohistochemical expression of epithelial–mesenchymal transition markers E-cadherin, Twist and Snail in oral submucous fibrosis and their possible association with malignant transformation


1 Department of Oral Pathology and Microbiology, PMNM Dental College and Hospital, Bagalkot, Karnataka, India
2 Department of Oral Medicine and Radiology, PMNM Dental College and Hospital, Bagalkot, Karnataka, India
3 Department of Oral Pathology and Microbiology, Krishnadevaraya College of Dental Sciences and Hospital, Bengaluru, Karnataka, India
4 Department of Periodontics, Chhattisgarh Dental College and Research Centre, Rajnandagaon, Chhattisgarh, India

Correspondence Address:
Mahadevi B Hosur
Department of Oral Pathology, PMNM Dental College and Hospital, Bagalkot, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jomfp.jomfp_454_20

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Background: Oral submucous fibrosis (OSMF) is a chronic, potentially malignant condition of the oral mucosa, predominantly seen in people of Asian descent. The reported malignant transformation rate of OSMF is 7%–13%. In the context of the understanding progression of OSMF, the study of prime molecular expressions is essential. Various markers have received more attention, one of them is E-cadherin. Various factors which promote epithelial–mesenchymal transition (EMT) and inhibit E-Cadherin include Snail1, Snail2, Twist and EF1/ZEB1. The intended study was undertaken to evaluate the possible role of E-cadherin and its regulatory markers Twist1 and Snail1 in OSMF. Aims and Objectives:
  1. To evaluate the expression of E-cadherin, Twist1 and Snail1 in OSMF
  2. To evaluate their possible association with malignant transformation of OSMF.
Materials and Methods: Histologically proven 20 cases of each OSMF with and without dysplasia were taken as the study group, 20 normal mucosa as control group and were subjected for immunohistochemical (IHC) expression with E-cadherin, Twist1 and snail1. Results: Immunohistochemical expression of all the three markers showed statistically significant expression of all the three markers. Intensity and percentage of staining between the groups were statistically significant for E-cadherin between normal oral mucosa (NOM) and OSMF with dysplasia (OSMFD), no significance was found between NOM and OSMF, whereas Snail1 and Twsit1 were statistically significant between NOM and OSMF and also between NOM and OSMFD. However, no significance was found for all the three markers when compared between the groups OSMF and OSMFD. Conclusion: The increased expression of Snail1 and Twist1 with concomitant loss of E -cadherin in OSMF suggests the role of the EMT.


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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007