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MicroRNA-135b promotes cancer progression by acting as a downstream effector of oncogenic pathways in colon cancer

  • Nicola Valeri
  • , Chiara Braconi
  • , Pierluigi Gasparini
  • , Claudio Murgia
  • , Andrea Lampis
  • , Viola Paulus-Hock
  • , Jonathan R. Hart
  • , Lynn Ueno
  • , Sergei I. Grivennikov
  • , Francesca Lovat
  • , Alessio Paone
  • , Luciano Cascione
  • , Khlea M. Sumani
  • , Angelo Veronese
  • , Muller Fabbri
  • , Stefania Carasi
  • , Hansjuerg Alder
  • , Giovanni Lanza
  • , Roberta Gafa'
  • , Mary P. Moyer
  • Rachel A. Ridgway, Julia Cordero, Gerard J. Nuovo, Wendy L. Frankel, Massimo Rugge, Matteo Fassan, Joanna Groden, Peter K. Vogt, Michael Karin, Owen J. Sansom, Carlo M. Croce

Producción científica: Articlerevisión exhaustiva

Resumen

MicroRNA deregulation is frequent in human colorectal cancers (CRCs), but little is known as to whether itrepresents a bystander event or actually drives tumor progression invivo. We show that miR-135b overexpression is triggered in mice and humans by APC loss, PTEN/PI3K pathway deregulation, and SRC overexpression and promotes tumor transformation and progression. We show that miR-135b upregulation is common in sporadic and inflammatory bowel disease-associated human CRCs and correlates with tumor stage and poor clinical outcome. Inhibition of miR-135b in CRC mouse models reduces tumor growth by controlling genes involved in proliferation, invasion, and apoptosis. We identify miR-135b as a key downsteam effector of oncogenic pathways and a potential target for CRC treatment.

Idioma originalEnglish (US)
Páginas (desde-hasta)469-483
Número de páginas15
PublicaciónCancer Cell
Volumen25
N.º4
DOI
EstadoPublished - abr 14 2014
Publicado de forma externa

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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