Autophagy as a therapeutic target in pancreatic cancer

Max Piffoux1,2,3, Erwan Eriau4, Philippe A Cassier5,6

  • 1Department of Medical Oncology, Centre Léon Bérard, Lyon, France.

British Journal of Cancer
|September 15, 2020
PubMed

Insights

Pancreatic cancer (PDAC) shows poor outcomes due to metastasis and therapy resistance. Targeting autophagy, a cellular recycling process, alongside other pathways, may offer new therapeutic strategies for this challenging disease.

Area of Science:

  • Oncology
  • Cellular Biology
  • Cancer Therapeutics

Background:

  • Pancreatic ductal adenocarcinoma (PDAC) is marked by early metastasis and resistance to therapies.
  • Common genetic alterations like KRAS and TP53 mutations in PDAC have limited targeted treatment options.
  • Autophagy, a cellular degradation process, is upregulated in PDAC and linked to treatment resistance.

Purpose of the Study:

  • To review preclinical data on autophagy's role in PDAC.
  • To examine clinical trial results of autophagy-modulating agents in PDAC.
  • To explore potential therapeutic strategies combining autophagy inhibitors with other pathway inhibitors.

Main Methods:

  • Review of existing preclinical studies on autophagy in PDAC.
  • Analysis of clinical trial data for agents targeting autophagy in pancreatic cancer.
  • Exploration of combined therapeutic approaches, including MEK/MAPK pathway inhibitors.

Main Results:

  • Autophagy is upregulated in PDAC and contributes to resistance against chemotherapy and targeted treatments.
  • Preclinical studies show promise in combining autophagy inhibitors with MEK/MAPK pathway inhibitors in KRAS-driven cancers.
  • Clinical trials investigating autophagy modulators in PDAC are ongoing, with preliminary data guiding further research.

Conclusions:

  • Autophagy represents a potential therapeutic target for pancreatic cancer.
  • Combining autophagy inhibition with other targeted therapies, particularly in KRAS-mutated PDAC, warrants further investigation.
  • Continued research into the molecular mechanisms of autophagy in PDAC is crucial for developing effective treatments.

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