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

ORIGINAL ARTICLE Table of Contents   
Year : 2022  |  Volume : 26  |  Issue : 3  |  Page : 322-329
Immunohistochemical expression of paxillin in potentially malignant disorders and squamous cell carcinoma patients

1 Department of Oral Pathology and Microbiology, Bareilly International University, Institute of Dental Sciences, Bareilly, Uttar Pradesh, India
2 Department of Oral Medicine and Radiology, Bareilly International University, Institute of Dental Sciences, Bareilly, Uttar Pradesh, India

Correspondence Address:
Madhusudan S Astekar
Professor and Head, Department of Oral and Maxillofacial Pathology, Bareilly International University, Institute of Dental Science
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jomfp.jomfp_187_21

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Background: Cell adhesion molecules are essential to maintain the integrity of stratified squamous epithelium but their expression has to be dynamic to aid the mobility and turnover of cells. Paxillin is one such multi-domain protein which integrates numerous signals from cell surface receptors, integrins and growth factors. It thus functions as a regulator of various physiological and pathological processes including tissue remodeling, cell motility, gene expression, matrix organization, cell proliferation, metastasis and survival. Hence, the assessment of paxillin expression in normal control, potentially malignant disorders and oral squamous cell carcinoma patients was carried out. Material and Methods: The present retrospective study comprised of 20 each clinically and histologically confirmed case of normal control, potentially malignant disorders, and oral squamous cell carcinomas. All the slides were stained immunohistochemically using Paxillin antibody. Results: The localization, staining intensity and percentage of positivity for paxillin expression was statistically significant among normal control and potentially malignant disorders, whereas oral squamous cell carcinoma showed a non-significant difference. Upon comparison of histopathological grading of potentially malignant disorders, mild versus severe and moderate versus severe epithelial dysplasia showed a statistical significant difference among all the parameters of paxillin expression. However, WDSCC & MDSCC a statistically significant difference among localization and staining intensity of paxillin. Conclusion: Paxillin may play an important role in pathogenesis of oral squamous cell carcinoma by altering the adhesive properties of the tumor cells interacting with the extracellular matrix which in turn affects their invasive behavior and histologic differentiation.

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