TUSC3 Methylation in Peripheral Blood Cells as a Biomarker for Diagnosis of Colorectal Cancer

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Siri Goli; Mosallaei Meysam; Ehtesham Naeim; Rahimi Hasan; Mazarei Madineh; Nasrollahzadeh Sabet Mehrdad; Behroozi Javad

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Journal Paper

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Journal: Advanced Biomedical Research Year:2023 | Volume:12 | Issue:june Page(s): 1-6

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Title

TUSC3 Methylation in Peripheral Blood Cells as a Biomarker for Diagnosis of Colorectal Cancer

Author(s)

Keywords

BiomarkerQ4

colorectal cancerQ4

TUSC3 geneQ4

methylationQ4

Abstract

Background: Several case-control studies have suggested that global and loci-specific deoxyribonucleic acid (DNA) methylation in peripheral blood mononuclear cells (PBMCs) of DNA might be potential Biomarkers of cancer diagnosis and prognosis. In this study, for the first time, we intended to assess the diagnostic power of the methylation level of tumor suppressor candidate 3 (TUSC3) gene promoter in patients with colorectal cancer (CRC). Materials and Methods: In the current study, we quantitatively assessed the promoter methylation level of TUSC3 in PBMCs of 70 CRC cases and 75 non-cancerous subjects via methylation quantification of endonuclease-resistant DNA (MethyQESD) method. Results: The methylation level of the TUSC3 was meaningfully higher in CRC cases than in non-CRC subjects (43. 55 ± 21. 80% vs. 16. 07 ± 13. 63%, respectively,P < 0. 001). The sensitivity and specificity of this gene for the detection of CRC were 88. 6% and 76. 0%, respectively. The receiver operating characteristic (ROC) curve examination discovered an area under the curve (AUC) of 0. 880, representing a very high accuracy of the TUSC3 methylation marker in distinguishing CRC subjects from healthy individuals. However, there was no substantial diversity in methylation level between various CRC stages (P: 0. 088). Conclusion: For CRC screening, PBMCs are a reliable source for DNA methylation analysis and TUSC3 promoter methylation can be utilized as a hopeful Biomarker for early and non-invasive diagnosis of CRC.

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