A Drug Repositioning Approach Identifies Tricyclic Antidepressants as Inhibitors of Small Cell Lung Cancer and Other Neuroendocrine Tumors

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  • Nadine S. Jahchan
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Joel T. Dudley
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Pawel K. Mazur
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Natasha Flores
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Dian Yang
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Alec Palmerton
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Anne-Flore Zmoos
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Dedeepya Vaka
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Kim Q.T. Tran
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Margaret Zhou
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Karolina Krasinska
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Jonathan W. Riess
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Joel W. Neal
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Purvesh Khatri
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Kwon S. Park
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Atul J. Butte
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California
  • Julien Sage
    Authors' Affiliations: Departments of 1Pediatrics, 2Genetics, and 5Medicine-Oncology, 3Vincent Coates Mass Spectrometry Laboratory, Stanford University, Stanford; and 4Division of Hematology/Oncology, Department of Internal Medicine, University of California Davis Cancer Center, University of California Davis School of Medicine, Sacramento, California

Description

<jats:title>Abstract</jats:title> <jats:p>Small cell lung cancer (SCLC) is an aggressive neuroendocrine subtype of lung cancer with high mortality. We used a systematic drug repositioning bioinformatics approach querying a large compendium of gene expression profiles to identify candidate U.S. Food and Drug Administration (FDA)–approved drugs to treat SCLC. We found that tricyclic antidepressants and related molecules potently induce apoptosis in both chemonaïve and chemoresistant SCLC cells in culture, in mouse and human SCLC tumors transplanted into immunocompromised mice, and in endogenous tumors from a mouse model for human SCLC. The candidate drugs activate stress pathways and induce cell death in SCLC cells, at least in part by disrupting autocrine survival signals involving neurotransmitters and their G protein–coupled receptors. The candidate drugs inhibit the growth of other neuroendocrine tumors, including pancreatic neuroendocrine tumors and Merkel cell carcinoma. These experiments identify novel targeted strategies that can be rapidly evaluated in patients with neuroendocrine tumors through the repurposing of approved drugs.</jats:p> <jats:p>Significance: Our work shows the power of bioinformatics-based drug approaches to rapidly repurpose FDA-approved drugs and identifies a novel class of molecules to treat patients with SCLC, a cancer for which no effective novel systemic treatments have been identified in several decades. In addition, our experiments highlight the importance of novel autocrine mechanisms in promoting the growth of neuroendocrine tumor cells. Cancer Discov; 3(12); 1364–77. ©2013 AACR.</jats:p> <jats:p>See related commentary by Wang and Byers, p. 1333</jats:p> <jats:p>This article is highlighted in the In This Issue feature, p. 1317</jats:p>

Journal

  • Cancer Discovery

    Cancer Discovery 3 (12), 1364-1377, 2013-12-01

    American Association for Cancer Research (AACR)

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