Diet-induced unresolved ER stress hinders KRAS-driven lung tumorigenesis

Giorgio Ramadori, Georgia Konstantinidou, Niranjan Venkateswaran, Tommasina Biscotti, Lorraine Morlock, Mirco Galié, Noelle S. Williams, Michele Luchetti, Alfredo Santinelli, Pier Paolo Scaglioni, Roberto Coppari

Research output: Contribution to journalArticle

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Abstract

Dietary effects on tumor biology can be exploited to unravel cancer vulnerabilities. Here, we present surprising evidence for anti-proliferative action of high-calorie-diet (HCD) feeding on KRAS-driven lung tumors. Tumors of mice that commenced HCD feeding before tumor onset displayed defective unfolded protein response (UPR) and unresolved endoplasmic reticulum (ER) stress. Unresolved ER stress and reduced proliferation are reversed by chemical chaperone treatment. Whole-genome transcriptional analyses revealed FKBP10 as one of the most downregulated chaperones in tumors of the HCD-pre-tumor-onset group. FKBP10 downregulation dampens tumor growth in vitro and in vivo. Providing translational value to these results, we report that FKBP10 is expressed in human KRAS-positive and -negative lung cancers, but not in healthy parenchyma. Collectively, our data shed light on an unexpected anti-tumor action of HCD imposed before tumor onset and identify FKBP10 as a putative therapeutic target to selectively hinder lung cancer.

Original languageEnglish (US)
Pages (from-to)117-125
Number of pages9
JournalCell Metabolism
Volume21
Issue number1
DOIs
StatePublished - Jan 6 2015

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Endoplasmic Reticulum Stress
Carcinogenesis
Diet
Lung
Neoplasms
Lung Neoplasms
Down-Regulation
Unfolded Protein Response
Genome

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Physiology

Cite this

Ramadori, G., Konstantinidou, G., Venkateswaran, N., Biscotti, T., Morlock, L., Galié, M., ... Coppari, R. (2015). Diet-induced unresolved ER stress hinders KRAS-driven lung tumorigenesis. Cell Metabolism, 21(1), 117-125. https://doi.org/10.1016/j.cmet.2014.11.020

Diet-induced unresolved ER stress hinders KRAS-driven lung tumorigenesis. / Ramadori, Giorgio; Konstantinidou, Georgia; Venkateswaran, Niranjan; Biscotti, Tommasina; Morlock, Lorraine; Galié, Mirco; Williams, Noelle S.; Luchetti, Michele; Santinelli, Alfredo; Scaglioni, Pier Paolo; Coppari, Roberto.

In: Cell Metabolism, Vol. 21, No. 1, 06.01.2015, p. 117-125.

Research output: Contribution to journalArticle

Ramadori, G, Konstantinidou, G, Venkateswaran, N, Biscotti, T, Morlock, L, Galié, M, Williams, NS, Luchetti, M, Santinelli, A, Scaglioni, PP & Coppari, R 2015, 'Diet-induced unresolved ER stress hinders KRAS-driven lung tumorigenesis', Cell Metabolism, vol. 21, no. 1, pp. 117-125. https://doi.org/10.1016/j.cmet.2014.11.020
Ramadori G, Konstantinidou G, Venkateswaran N, Biscotti T, Morlock L, Galié M et al. Diet-induced unresolved ER stress hinders KRAS-driven lung tumorigenesis. Cell Metabolism. 2015 Jan 6;21(1):117-125. https://doi.org/10.1016/j.cmet.2014.11.020
Ramadori, Giorgio ; Konstantinidou, Georgia ; Venkateswaran, Niranjan ; Biscotti, Tommasina ; Morlock, Lorraine ; Galié, Mirco ; Williams, Noelle S. ; Luchetti, Michele ; Santinelli, Alfredo ; Scaglioni, Pier Paolo ; Coppari, Roberto. / Diet-induced unresolved ER stress hinders KRAS-driven lung tumorigenesis. In: Cell Metabolism. 2015 ; Vol. 21, No. 1. pp. 117-125.
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