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


 
ORIGINAL ARTICLE Table of Contents   
Year : 2020  |  Volume : 24  |  Issue : 2  |  Page : 279-284
8-Isoprostane: A salivary oxidative stress biomarker for oral submucous fibrosis and oral squamous cell carcinoma


1 Private Practitioner, Sree Sai Dental Care, Chennai, Tamil Nadu, India
2 Department of Oral and Maxillofacial Pathology, Madha Dental College, Chennai, Tamil Nadu, India
3 Department of Oral and Maxillofacial Pathology, SRM Dental College, Chennai, Tamil Nadu, India

Correspondence Address:
S Meera
Sree Sai Dental Care, A1F2, Blue Oak Elite Apartments, 195/1, Anna Main Road, Kolapakkam, Chennai - 600 122, Tamil Nadu
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jomfp.JOMFP_235_19

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Background: 8-isoprostane is one of the stable oxidative stress marker formed by the lipid peroxidation of arachidonic acid. It is present in detectable quantities in all biological fluids. Elevation of 8-Isoprostane has been reported in various neurological, cardiological disorders, and periodontal diseases. Aim: The present study was conducted to estimate and compare the level of 8-isoprostane in plasma and saliva in patients with oral squamous cell carcinoma (OSCC), oral submucous fibrosis (OSMF), and in controls. The study also aimed to find out if 8-isoprostane can be used as an effective oxidative stress marker in evaluating the disease progression in OSCC. Materials and Methods: Plasma and salivary samples were taken from 10 cases each of clinically diagnosed OSMF, clinically and hisotpathologically diagnosed cases of OSCC and controls. The samples were subjected to 8-Isoprostane ELISA procedure and analyzed. Statistical analysis was performed using the SPSS software. Results: The levels of 8-isoprostane in plasma showed an average increase from normal to OSMF to OSCC but was not statistically significant. The variations in the level of salivary 8-isoprostane were found to be statistically significant (P = 0.037) suggesting that there is a gradual increase in levels of isoprostane from controls to OSMF to OSCC. Conclusion: The results showed that the concentration of isoprostane in saliva showed a progressive and steady increase from control through OSMF to OSCC indicating that saliva could be used as an effective diagnostic tool in estimating tumor markers. Large scale studies correlating with other potentially malignant oral disorders are required to ascertain the role of 8-Isoprostane as an ideal tumor marker.


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