Investigation of Plasma Cell-Free DNA and MiRNA in Cholangiocarcinoma and Opisthorchiasis Viverrini Patients.

Asian Pacific journal of cancer prevention : APJCP(2024)

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摘要
OBJECTIVES:This study aimed to assess the diagnostic potential of cell-free DNA (cfDNA) and cell-free miRNA (cf-miRNA) for distinguishing between Healthy, asymptomatic opisthorchiasis viverrini and cholangiocarcinoma in a preliminary manner. METHODS:In this study, 36 participants were enrolled into three health status groups: a healthy control group (HC), Opisthorchis viverrini-infected group (OV), and a cholangiocarcinoma group (CCA), each comprising 12 participants. Concentration measurements of cfDNA and cf-miRNA from plasma were conducted. Additionally, ultra-low-pass whole-genome sequencing (ULP-WGS) was employed to investigate DNA alterations. RESULTS:The study revealed a significant elevation in plasma cfDNA concentration in the cholangiocarcinoma (CCA) group compared to healthy controls (HC) and Opisthorchis viverrini-infected (OV) groups (P < 0.001). The cfDNA concentration demonstrated a sensitivity of 75.00% and specificity of 95.83% for differentiating cholangiocarcinoma, with a cut-off of > 30.50 ng/ml plasma. Likewise, the concentration of cf-miRNA in the CCA group significantly differed from that in the HC and OV groups, demonstrating a sensitivity of 83.33% and specificity of 95.83% with a cut-off set at > 70.50 ng/ml plasma. Furthermore, a positive correlation between plasma concentrations of cfDNA and cf-miRNA suggests a potential relationship between these two biomarkers. These findings indicated the diagnostic potential of cfDNA and cf-miRNA in distinguishing cholangiocarcinoma, emphasizing their role as promising biomarkers for further investigation and clinical applications. CONCLUSION:Elevated plasma concentrations of cfDNA and cf-miRNA could serve as potential diagnostic tools for distinguishing cholangiocarcinoma from other conditions. cf-miRNA was superior to cfDNA in terms of sensitivity.
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