alexa An Analysis of the Expression of Bcl-2, Podoplanin and Lymph Angiogenesis in Benign and Malignant Salivary Gland Tumours | OMICS International | Abstract
ISSN: 2161-0681

Journal of Clinical & Experimental Pathology
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Research Article

An Analysis of the Expression of Bcl-2, Podoplanin and Lymph Angiogenesis in Benign and Malignant Salivary Gland Tumours

Harshaminder Kaur* and Sonal Gupta

Department of oral pathology, M.M.College of Dental Sciences and Research, Mullana (Ambala), Haryana, India

*Corresponding Author:
Harshaminder Kaur
Professor and head, Department of oral pathology
M.M. College of Dental Sciences and Research
Mullana (Ambala), Haryana 133207, India
Tel: 091-9896219197; 091-9915333478
E-mail: [email protected]

Received date: June 12, 2013; Accepted date: September 04, 2013; Published date: September 06, 2013

Citation: Kaur H, Gupta S (2013) An Analysis of the Expression of Bcl-2, Podoplanin and Lymph Angiogenesis in Benign and Malignant Salivary Gland Tumours. J Clin Exp Pathol 3:145.doi:10.4172/2161-0681.1000145

Copyright: © 2013 Kaur H, et al.. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Background: Salivary gland tumours comprise a significant proportion of oral tumours and are the next common neoplasm of the mouth after squamous cell carcinoma. These neoplasm’s have widely variable histopathologic and biologic characteristics, which makes it difficult to determine the pathogenesis and selection of therapeutic modalities. Alteration in some proto-oncogenes and tumour suppressor genes may lead to the development and progression of these tumours.

Aim: The purpose of this study was to analyze the immune histochemical expression of Bcl-2 and epithelial podoplanin and lymph angiogenesis in benign and malignant salivary gland tumours.

Material and method: The sample consisted of 20 formalin-fixed paraffin embedded blocks of benign and malignant salivary glands tumours. Immunohistochemical staining procedure was performed using monoclonal anti Bcl-2 antibody and D2-40 antibody. The sections were evaluated for Bcl-2 and epithelial podoplanin expression and D2-40 positive lymphatic vessels.

Results and conclusion: Bcl-2 showed positive immune expression in all benign and malignant salivary gland tumours with mucoepidermoid carcinomas showing most intense expression. Podoplanin immunostaining was also assessed, highest recorded score was in peripheral mucoepidermoid carcinoma (10.4? 3.05). Lymphatic micro vessel density expressed by podoplanin showed intense score in central mucoepidermoid carcinoma (5.05? 5.0). Present investigation demonstrated positive Bcl-2, podoplanin response and Lymphatic micro vessel density in both benign and malignant salivary gland tumours suggesting that Bcl-2 and podoplanin alteration may be associated with the progression of these neoplasms.


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