SRC-3 inhibition blocks tumor growth of pancreatic ductal adenocarcinoma

Xianzhou Song, Hui Chen, Chengwei Zhang, Yang Yu, Zhongyuan Chen, Han Liang, George Van Buren, Amy L. McElhany, William E. Fisher, David M. Lonard, Bert W. O'Malley, Jin Wang

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Pancreatic ductal adenocarcinoma (PDAC) is a highly malignant and lethal disease with few treatment options. Steroid receptor coactivator-3 (SRC-3, also known as NCOA3, AIB1, pCIP, ACTR, RAC3, TRAM1) sits at the nexus of many growth signaling pathways and has been pursued as a therapeutic target for breast, prostate and lung cancers. In this study, we find that SRC-3 is overexpressed in PDAC and inversely correlates with patient overall survival. Knockdown of SRC-3 reduces pancreatic cancer cell proliferation, migration and invasion in vitro. Additionally, inhibition of SRC-3 using either shRNA or a small molecule inhibitor can significantly inhibit tumor growth in orthotopic pancreatic cancer mouse models. Collectively, this study establishes SRC-3 as a promising therapeutic target for pancreatic cancer treatment.

Original languageEnglish (US)
Pages (from-to)310-319
Number of pages10
JournalCancer Letters
Volume442
DOIs
StatePublished - Feb 1 2019

Keywords

  • Pancreatic ductal adenocarcinoma
  • Small molecule inhibitor
  • Steroid receptor coactivator

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

MD Anderson CCSG core facilities

  • Advanced Technology Genomics Core
  • Bioinformatics Shared Resource
  • Functional Genomics Core
  • Tissue Biospecimen and Pathology Resource
  • Cytogenetics and Cell Authentication Core

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