Methylation Assessment of Two DKK2 and DKK4 Genes in Oral Squamous Cell Carcinoma Patients

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Kheirandish Sedigheh; ESHGHYAR NOSRATOLLAH; YAZDANI FARZAD; AMINI SHAKIB POUYAN; HOSSEINI BERESHNEH ALI; NOURI ZAHRA; KHEIRANDISH Ali; KARAMI FATEMEH

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Journal: Iranian Journal of Public Health Year:2020 | Volume:49 | Issue:10 Page(s): 1947-1953

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Title

Methylation Assessment of Two DKK2 and DKK4 Genes in Oral Squamous Cell Carcinoma Patients

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Keywords

Methylation

Oral squamous cell carcinoma

Methylation-specific polymerase chain reaction

Abstract

Background: Oral squamous cell carcinoma (OSCC) is one of the most important types of oral malignancies. DKK gene family members as well as DKK2/4 have critical roles in regulation of Wnt signaling as one of the main determining pathway in oral carcinogenesis. This study aimed to identify promoter Methylation status of DKK2/4 genes to provide possible biomarkers for early detection and treatment of OSCC patients. Methods: A case control study was performed on 31 fresh tissues obtained from oral cavity of patients affect-ed by OSCC and 31 fresh corresponding tissues from normal healthy controls in Tehran and, between the years of 2016-2018. Purified DNA from tissue samples was subjected to bisulfite treatment and then methyla-tion specific polymerase chain reaction (MSP-PCR) was carried out on treated DNA samples. Results: DKK4 promoter was methylated in none of OSCC samples while it was methylated in 16. 1% of healthy controls. 16. 1% of OSCC samples were detected to be semimethylated and 22. 6% of healthy normal samples were methylated for DKK2 promoter gene. Meaningful difference was found in DKK4 promoter Methylation among OSCC patients and healthy controls. Significant correlation was found between DKK4 promoter Methylation and tumor grade. The age of all enrolled samples was demonstrated to have strong ef-fect on promoter Methylation of studied genes. Conclusion: HypoMethylation of DKK2 and DKK4 genes in higher grades of OSCC samples may indicate the pivotal role of their expression in tumor cells invasion and progression through modulation of Wnt signaling pathway. Further study required to determine simultaneous expression of those genes and Wnt signaling ele-ments at mRNA and protein levels.

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APA: Copy

Kheirandish, Sedigheh, ESHGHYAR, NOSRATOLLAH, YAZDANI, FARZAD, AMINI SHAKIB, POUYAN, HOSSEINI BERESHNEH, ALI, NOURI, ZAHRA, KHEIRANDISH, Ali, & KARAMI, FATEMEH. (2020). Methylation Assessment of Two DKK2 and DKK4 Genes in Oral Squamous Cell Carcinoma Patients. IRANIAN JOURNAL OF PUBLIC HEALTH, 49(10), 1947-1953. SID. https://sid.ir/paper/757420/en

Vancouver: Copy

Kheirandish Sedigheh, ESHGHYAR NOSRATOLLAH, YAZDANI FARZAD, AMINI SHAKIB POUYAN, HOSSEINI BERESHNEH ALI, NOURI ZAHRA, KHEIRANDISH Ali, KARAMI FATEMEH. Methylation Assessment of Two DKK2 and DKK4 Genes in Oral Squamous Cell Carcinoma Patients. IRANIAN JOURNAL OF PUBLIC HEALTH[Internet]. 2020;49(10):1947-1953. Available from: https://sid.ir/paper/757420/en

IEEE: Copy

Sedigheh Kheirandish, NOSRATOLLAH ESHGHYAR, FARZAD YAZDANI, POUYAN AMINI SHAKIB, ALI HOSSEINI BERESHNEH, ZAHRA NOURI, Ali KHEIRANDISH, and FATEMEH KARAMI, “Methylation Assessment of Two DKK2 and DKK4 Genes in Oral Squamous Cell Carcinoma Patients,” IRANIAN JOURNAL OF PUBLIC HEALTH, vol. 49, no. 10, pp. 1947–1953, 2020, [Online]. Available: https://sid.ir/paper/757420/en

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