Osteopontin: a marker for invasive oral squamous cell carcinoma but not for potentially malignant epithelial dysplasias |
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| Authors: | Samapika Routray Supriya M Kheur Mohit Kheur |
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| Institution: | 1. Department of Oral Pathology & Microbiology, Gitam Dental College & Hospital, Gandhinagar Campus, Rushikonda, Vishakapatanam 530045, India;2. Department of Oral Pathology & Microbiology, D.Y. Patil Vidyapeeth''s Dr. D.Y. Patil Dental College and Hospital, Maheshnagar, Pimpri, Pune, Maharastra, India;3. Department of Prosthodontics, M.A. Rangoonwala Dental College Pune, Maharastra, India |
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| Abstract: | This study aimed to evaluate and correlate osteopontin (OPN) expression in oral squamous cell carcinoma (OSCC) and potentially malignant disorders including oral leukoplakia and oral submucous fibrosis (OSMF). Expression of OPN was investigated in 140 samples including OSCC, oral leukoplakia, and OSMF with or without dysplasia and normal oral mucosa. By using immunohistochemistry. Both intercellular and intracellular staining of the keratinocytes was considered to be positive, and intensity grading was assessed. Statistical analysis was done using analysis of variance. OPN positivity was detected in 85% cases of OSCC, 55% cases of oral leukoplakia, 35% cases of OSMF, and 60% cases of normal mucosa. These study highlights OPN as a biomarker for malignancy in the form of invasion but not to study progression from dysplasia to malignant transformation. |
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