Promoter Hypermethylation of LATS2 Gene in Oral Squamous Cell Carcinoma (OSCC) Among North Indian Population. |
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| Authors: | Harsh Goel1Saloni Singhal1Runjhun Mathur2Saima Syeda3Rishi Kumar Gupta4Anshuman Kumar5Anju Shrivastava3Abhimanyu Kumar Jha1 |
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| Affiliation: | 1Department of Biotechnology, Institute of Applied Medicines and Research Ghaziabad, Uttar Pradesh, India.2Dr. A.P.J. Abdul Kalam Technical University, Lucknow, Uttar Pradesh, India.3Department of Zoology, Delhi University, India.4Sh. Jagannath Charitable Cancer Hospital, Ghaziabad, Uttar Pradesh, India.5Dharamshila Cancer Hospital and Research Centre, New Delhi, India. |
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| Abstract: | ABSTRACTLarge Tumor Suppressor (LATS2) gene are Tumor Suppressor gene, linked with epigenetic modifications. LATS2 promoter hypermethylation is an important epigenetic silencing mechanism leading to cancer. Cancer is the most common, vicious and dangerously increasing diseases of the world today, associated with high morbidity and mortality. Oral cancers (OC) are the blazing universal dilemma and is the sixth most frequent cancer observed in Indian population. Tobacco consumption is the main cause of the increase in OSCC. The association between LATS2 in the pathogenesis of cancers propose that their combination might be studied as a possible molecular marker for particular subgroups of patients. Therefore, the present study tried to investigate whether LATS2 promoter methylation was associated with oral squamous cell carcinoma (OSCC) in North Indian subjects. DNA methylation quantitative studies of LATS2 Tumor Suppressor genes were performed by methylation-specific polymerase chain reaction (MSP). 38 out of 70 patients (55 %) were found to be methylated for LATS2 gene, a statistically significant result was obtained (p-value < 0.005) for LATS2 genes. The results suggest that epigenetic changes may be related to the down-regulation of LATS2 expression. It can be concluded that LATS2 gene plays a significant role in the diagnosis of cancer and provide a better alternative as a diagnostic biomarker. Our data infer that a low LATS2 expression due to methylation may contribute to the cancer progression and could be useful for the diagnosis of OSCC. Therefore, investigation of promoter methylation in such genes may provide a biomarker which may prove to be useful in early detection of Oral Cancer.Keywords: Oral squamous cell carcinoma (OSCC), Epigenetic changes, LATS2 gene, Promoter Hypermethylation, Methylation-Specific PCR (MSP), BiomarkersAbbreviations: OSCC- Oral Squamous Cell Carcinoma; DNA- Deoxyribonucleic acid; LATS-Large Tumor Suppressor (gene); MSP-Methylation-Specific Polymerase Chain Reaction |
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| Keywords: | Keywords: Oral squamous cell carcinoma (OSCC) Epigenetic changes Promoter hypermethylation Methylation-Specific PCR (MSP) Biomarker |
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