Tissue methylated DNA markers for sporadic pancreatic cancer are strongly associated with familial and genetically predisposed pancreatic cancer

Pancreatology. 2022 Sep;22(6):770-773. doi: 10.1016/j.pan.2022.06.259. Epub 2022 Jun 22.

Abstract

High-risk individuals (HRIs) with familial and genetic predisposition to pancreatic ductal adenocarcinoma (PDAC) are eligible for screening. There is no accurate biomarker for detecting early-stage PDAC. We previously demonstrated that a panel of methylated DNA markers (MDMs) accurately detect sporadic PDAC. In this study we compared the distribution of MDMs in DNA extracted from tissue of PDAC cases who carry germline mutations and non-carriers with family history, with control tissue and demonstrate high discrimination like that seen in sporadic PDAC. These results provide scientific rationale for examining plasma MDMs in HRIs with the goal of developing a minimally-invasive early detection test.

Keywords: Biomarker; DNA methylation; Pancreatic cancer.

MeSH terms

  • Carcinoma, Pancreatic Ductal* / diagnosis
  • Carcinoma, Pancreatic Ductal* / genetics
  • Carcinoma, Pancreatic Ductal* / pathology
  • Genetic Markers
  • Genetic Predisposition to Disease
  • Humans
  • Pancreatic Neoplasms* / diagnosis
  • Pancreatic Neoplasms* / genetics
  • Pancreatic Neoplasms* / pathology

Substances

  • Genetic Markers