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Minerva Dental and Oral Science 2021 Oct 21

DOI: 10.23736/S2724-6329.21.04578-2


lingua: Inglese

Expression of survivin in oral leukoplakia and oral lichen planus

Lalitha CHINTALA 1, Khaja A. HUSSAIN 2, Srikanth KODANGAL 3, Amara S. LINGAM 4 , Raghunath DANTU 1, Premsai NAGABHYRAVA 5

1 Department of Oral Medicine and Radiology, Malla Reddy Institute of Dental Sciences, Hyderabad, Telangana, India; 2 Dental practitioner, Hyderabad, Telangana, India; 3 Sri Sai Institute of Dental Surgery, Vikarabad, Telangana, India; 4 Department of Surgical and Diagnostic Sciences, Dar Al Uloom University, Riyadh, Saudi Arabia; 5 Government Dental College and Hospital, Hyderabad, India


BACKGROUND: Up to one third (3-33%) oral squamous cell carcinomas develop from potentially malignant lesions. Most common potentially malignant lesions (PML) are Leukoplakia and Lichen planus. It is very important to diagnose PML at early stage to prevent malignant transformation of lesion. Survivin is a smallest member of the Inhibitor of Apoptosis (IAP) family of proteins. Survivin plays an important role in apoptosis regulation. High expression of survivin is an early event during oral carcinogenesis and it acts as a tool for the identification of precancerous lesions at higher risk of progression into invasive carcinoma. The aim of the study was to evaluate the expression of Survivin in oral leukoplakia, oral lichen planus.
METHODS AND MATERIAL: 15 patients with oral lichen planus, 15 patients of oral leukoplakia were selected as subjects for the present study and 15 patients with normal oral mucosa were selected as controls and all were evaluated for expression of survivin. All sections were H & E stained and were studied immunohistochemically for the expression of surviving.
RESULTS: Expression of survivin was evaluated based on percent of cells expressing survivin and grading was given according to that. Significant survivin expression was detected in oral leukoplakia, oral lichen planus, (P < 0.001).
CONCLUSIONS: Expression of survivin in potentially malignant lesions indicate potential risk of malignant transformation.

KEY WORDS: Oral leukoplakia; Oral lichen planus; Survivin

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