Germline mutations in pancreatic cancer and potential new therapeutic options

Rille Pihlak1,2, Juan W Valle1,2, Mairéad G McNamara1,2

  • 1Division of Molecular and Clinical Cancer Sciences, University of Manchester, Manchester, United Kingdom.

Oncotarget
|October 27, 2017
PubMed

Insights

Pancreatic cancer (PDAC) research reveals germline DNA damage repair mutations, particularly BRCA1/2, influencing disease progression. Understanding these mutations may lead to new targeted therapies for better patient outcomes.

Area of Science:

  • Oncology
  • Genetics
  • Cancer Research

Background:

  • Pancreatic ductal adenocarcinoma (PDAC) has poor prognoses due to limited treatment efficacy.
  • Recent decades have seen advancements in understanding DNA damage repair pathways in PDAC.
  • Germline mutations in DNA damage repair genes are increasingly recognized in PDAC patients.

Purpose of the Study:

  • To review germline DNA damage repair mutations in pancreatic cancer.
  • To examine the impact of these mutations on PDAC incidence and patient outcomes.
  • To outline the potential of targeted therapies for PDAC with specific mutations.

Main Methods:

  • Literature review of studies on germline mutations in pancreatic cancer.
  • Analysis of reported mutation frequencies, including BRCA1, BRCA2, PALB2, CDKN2A, ATM, TP53, and mismatch repair genes.
  • Examination of treatment responses in relation to specific genetic alterations.

Main Results:

  • BRCA1 and BRCA2 mutations show the highest prevalence among germline DNA damage repair mutations in PDAC.
  • Targeted therapies, such as poly (ADP-ribose) polymerase inhibitors, show promise.
  • These inhibitors have demonstrated efficacy in BRCA-mutated ovarian and breast cancers.

Conclusions:

  • Germline DNA damage repair mutations are significant in PDAC.
  • Targeted therapies are under investigation for their potential in treating germline-mutated pancreatic cancer.
  • Further research into these mutations could improve therapeutic strategies and patient outcomes.