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Updated: Apr 13, 2026

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Transforming growth factor β receptor signaling restrains growth of pancreatic carcinoma cells

Zhiming Zhao1,2, Hao Xi3, Dabin Xu4

  • 1Department of Surgical Oncology, Chinese PLA General Hospital, Beijing, 100853, China. zhiming_zhao@163.com.

Tumour Biology : the Journal of the International Society for Oncodevelopmental Biology and Medicine
|May 3, 2015
PubMed

Insights

Inhibiting transforming growth factor beta (TGFβ) receptor signaling by overexpressing SMAD7 unexpectedly accelerated pancreatic cancer growth in mice. This suggests TGFβ signaling normally restrains pancreatic ductal adenocarcinoma (PDAC) and targeting it could be a viable treatment strategy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal cancer with limited treatment options.
  • Efficiently controlling PDAC progression is crucial for improving patient survival.

Purpose of the Study:

  • To investigate the role of transforming growth factor beta (TGFβ) receptor signaling in PDAC growth.
  • To evaluate the therapeutic potential of modulating TGFβ signaling in PDAC.

Main Methods:

  • Overexpression of SMAD7, a TGFβ pathway inhibitor, in mouse pancreatic tissue using intraductal infusion.
  • Assessment of PDAC growth in both implanted and K-ras-driven models following SMAD7 overexpression.

Main Results:

  • SMAD7 overexpression significantly enhanced the growth of implanted PDAC.
  • SMAD7 overexpression also promoted the growth of K-ras-modified PDAC.
  • Inhibition of TGFβ receptor signaling led to increased PDAC proliferation.

Conclusions:

  • TGFβ receptor signaling acts as a suppressor of PDAC growth.
  • Modulating TGFβ receptor signaling represents a potential therapeutic strategy for pancreatic cancer.
Keywords:
Cancer growthIntraductal infusionPancreatic ductal adenocarcinoma (PDAC)TGFβ

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