Lung Cancer Onset in Wild Type Mice Following Bone Marrow Reconstitution with krasv12 Cells

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Abstract

A role for bone-marrow-derived cells (BMDCs) in tissue repair and malignancy onset has been proposed, but their contribution is still debated. We tested the ability of BMDCs containing the inducible krasV12 oncogene to initiate lung adenocarcinoma. For our experimental strategy, we reconstituted lethally irradiated wild type mice with BMDCs carrying inducible krasV12 and subsequently induced oncogene expression by 4-OHT administration. Epithelial lung lesions, from adenoma to adenocarcinomas, appeared at successive time points. These results show that lung tumors were derived from donor BMDCs and indicate a direct involvement of bone marrow cells in the development of epithelial cancers.

Original languageEnglish
Article number13047
JournalScientific Reports
Volume5
DOIs
Publication statusPublished - Aug 12 2015

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