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September 16, 2025Open Access

Radiotherapy drives lung metastasis in PDAC via a RhoGTPase signaling shift towards MRCK-dependency

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Authors

KMKathy McLayMTMathias TessonLDLouise Dutton

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Overview

Research shows that radiotherapy promotes lung metastasis in pancreatic ductal adenocarcinoma, suggesting MRCK dependency in this process.

Key Points

  • Radiotherapy drives lung metastasis in pancreatic ductal adenocarcinoma, highlighting a pro-metastatic effect.
  • Using a genetically engineered mouse model, the study finds MRCK is crucial for mediating metastasis induced by radiotherapy.
  • Inhibition of MRCK with a specific small-molecule inhibitor decreases the metastasis driven by radiotherapy in PDAC.
  • These findings suggest that targeting MRCK might be a potential therapeutic strategy to mitigate radiation-induced metastasis.

Cite This Study

McLay et al. (2025) studied this question.

synapsesocial.com/papers/68d4538f31b076d99fa58ed0https://doi.org/10.1101/2025.09.09.673965
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Also Consider

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  1. 1Abstract 699: Targeting radiation-driven invasion and metastasis in pancreatic cancer2024
  2. 2Abstract 6609: Targeting pancreatic cancer with combination RAS inhibition and radiation therapy.2026
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  4. 4Abstract A009: Synergistically overcoming KRAS-driven radioresistance and immune evasion in PDAC with alpha particle radiotherapy and anti-CTLA-42026
  5. 5Triple Blockade of Oncogenic RAS Signaling Using KRAS and MEK Inhibitors in Combination with Irradiation in Pancreatic Cancer2024 · 8 citations