Journal
PLOS ONE
Volume 11, Issue 2, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0147334
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Funding
- Associazione Italiana Ricerca sul Cancro (AIRC) [IG_12969]
- Ministero Istruzione Universita e Ricerca (MIUR PRIN) [2010W4J4RM_001, PONa3_00239, PON01_02782]
- Vastra Gotalandsregionen
- Assar Gabrielssons Foundation
- Magnus Bergvalls Foundation
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The hotspot AKT1(E17K) mutation in the pleckstrin homology domain of AKT1 occurs in approximately 0.6-2% of human lung cancers. Recently, we have demonstrated that AKT1(E17K) transforms immortalized human bronchial cells. Here by use of a transgenic Cre-inducible murine strain in the wild type Rosa26 (R26) locus (R26-AKT1(E17)K mice) we demonstrate that AKT1(E17K) is a bona-fide oncogene and plays a role in the development of lung cancer in vivo. In fact, we report that mutant AKT1(E17K) induces bronchial and/or bronchiolar hyperplastic lesions in murine lung epithelium, which progress to frank carcinoma at very low frequency, and accelerates tumor formation induced by chemical carcinogens. In conclusion, AKT1(E17K) induces hyperplasia of mouse lung epithelium in vivo and cooperates with urethane to induce the fully malignant phenotype.
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