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Ultrasound-Guided Orthotopic Implantation of Murine Pancreatic Ductal Adenocarcinoma
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SRC-3 inhibition blocks tumor growth of pancreatic ductal adenocarcinoma

Xianzhou Song1, Hui Chen1, Chengwei Zhang1

  • 1Department of Pharmacology and Chemical Biology, Baylor College of Medicine, Houston, TX, 77030, USA.

Cancer Letters
|November 14, 2018
PubMed

Insights

Steroid receptor coactivator-3 (SRC-3) is overexpressed in pancreatic cancer, driving tumor growth and invasion. Inhibiting SRC-3 offers a promising new therapeutic strategy for this lethal disease.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Therapeutics

Background:

  • Pancreatic ductal adenocarcinoma (PDAC) is a lethal malignancy with limited therapeutic options.
  • Steroid receptor coactivator-3 (SRC-3) is implicated in various cancer growth pathways and is a potential therapeutic target.

Purpose of the Study:

  • To investigate the role of SRC-3 in PDAC.
  • To evaluate SRC-3 as a potential therapeutic target for pancreatic cancer.

Main Methods:

  • Analysis of SRC-3 expression in PDAC tissues and correlation with patient survival.
  • In vitro studies involving SRC-3 knockdown in pancreatic cancer cell lines to assess proliferation, migration, and invasion.
  • In vivo studies using orthotopic pancreatic cancer mouse models to evaluate tumor growth inhibition via SRC-3 inhibition (shRNA and small molecule inhibitor).

Main Results:

  • SRC-3 is overexpressed in PDAC and correlates inversely with patient survival.
  • Knockdown of SRC-3 significantly reduced pancreatic cancer cell proliferation, migration, and invasion in vitro.
  • Inhibition of SRC-3 led to significant inhibition of tumor growth in orthotopic pancreatic cancer mouse models.

Conclusions:

  • SRC-3 plays a critical role in PDAC progression.
  • Targeting SRC-3 represents a promising therapeutic strategy for pancreatic cancer treatment.
Keywords:
Pancreatic ductal adenocarcinomaSmall molecule inhibitorSteroid receptor coactivator

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