Project description:To develop diagnostic and prognostic biomarkers, we compared methylation profiles of HCC tissues and normal blood by analyzing 485,000 CpG markers and identified a HCC enriched methylation marker panel compared to that of normal blood. We found there was a highly correlation of methylation profiles between DNA from HCC cancer tissue and matched plasma ctDNA within the same patient. We then selected 10 markers from this panel and created a combined diagnosis score (cd-score) which showed high diagnostic specificity and sensitivity in both a training cohort and an independent validation cohort. We also showed the cd-score correlate highly with tumor load, treatment response and stage and is superior to that by AFP. We also showed the cd-score correlate highly with tumor load, treatment response and stage and is superior to that by AFP. Additional, we generated 8 markers from unicox and LASSO-cox analysis and created a combined prognosis score (cp-score) which could predict prognosis and survival. Together, these findings demonstrated the utility of ctDNA methylation markers in the diagnosis, treatment evaluation and prognosis of HCC.
Project description:To identify diagnostic and prognostic biomarkers, we compared methylation profiles of COAD tissues and normal blood at 485,000 CpG markers and identified a marker panel differently methylated in COAD. We developed diagnostic and prognostic prediction models with the selected panel and compared their efficacy in ctDNA to current available approaches. Our data indicate that cfDNA methylation patterns provide reliable biomarkers in the diagnosis, surveillance, and prognosis of COAD.
Project description:To identify diagnostic and prognostic biomarkers, we compared methylation profiles of LUNC tissues and normal blood at 485,000 CpG markers and identified a marker panel differently methylated in LUNC. We developed diagnostic and prognostic prediction models with the selected panel and compared their efficacy in ctDNA to current available approaches. Our data indicate that cfDNA methylation patterns provide reliable biomarkers in the diagnosis, surveillance, and prognosis of LUNC.
Project description:The aim of this study was to analyze the expression profile of circRNAs in PBMCs in peripheral blood of patients with hepatocellular carcinoma (HCC) by next-generation sequencing, and to identify potential markers for early diagnosis and prognosis of HCC, and to lay a foundation for further study on the mechanism of this molecule in PBMCs.
Project description:Gene methylation profiling of immortalized human mesenchymal stem cells comparing HPV E6/E7-transfected MSCs cells with human telomerase reverse transcriptase (hTERT)- and HPV E6/E7-transfected MSCs. hTERT may increase gene methylation in MSCs. Goal was to determine the effects of different transfected genes on global gene methylation in MSCs.
