Pancreatic Ductal Adenocarcinoma Cortical Mechanics and Clinical Implications

Shantel Angstadt1,2,3, Qingfeng Zhu1, Elizabeth M Jaffee2

  • 1Department of Pathology Johns Hopkins University School of Medicine, Baltimore, MD, United States.

Frontiers in Oncology
|February 17, 2022
PubMed

Insights

Pancreatic ductal adenocarcinoma (PDAC) is a deadly cancer. Targeting cancer cell mechanical properties, specifically the cortical cytoskeleton, offers a novel therapeutic strategy to simultaneously impact multiple cancer hallmarks and improve treatment outcomes.

Area of Science:

  • Cancer Biology
  • Biophysics
  • Oncology

Background:

  • Pancreatic ductal adenocarcinoma (PDAC) is a lethal cancer with poor prognosis and low therapeutic response rates.
  • Current treatments fail due to genetic heterogeneity, early metastasis, and immunosuppressive tumor microenvironments.
  • Existing therapies target only one or two cancer hallmarks, necessitating innovative approaches.

Purpose of the Study:

  • To present cancer cell mechanical properties, particularly the cortical cytoskeleton, as a novel therapeutic target for PDAC.
  • To explore how targeting mechanical properties can simultaneously address multiple cancer hallmarks.
  • To highlight the potential of mechanical manipulation in combating PDAC progression and therapeutic resistance.

Main Methods:

  • Review and compilation of studies linking cortical cytoskeleton and mechanical properties to cancer hallmarks.
  • Analysis of implications for PDAC disease progression, therapeutic resistance, and clinical relapse.
  • Discussion of preclinical findings on mechanical manipulation for metastasis prevention.

Main Results:

  • Cancer cell mechanical properties, regulated by the cortical cytoskeleton, influence proliferation, metastasis, immune evasion, stemness, and metabolism.
  • These mechanical properties are foundational to various oncogenic behaviors.
  • Manipulation of mechanical systems has shown promise in preventing metastasis in preclinical models.

Conclusions:

  • The cortical cytoskeleton and associated mechanical properties represent a promising, foundational therapeutic target for PDAC.
  • Simultaneously impacting multiple cancer hallmarks through mechanical targeting offers a new strategy.
  • Further exploration of mechanical manipulation holds significant potential for improving PDAC treatment and patient outcomes.