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Université de Fribourg

Inhibition of the Kit ligand/c-Kit axis attenuates metastasis in a mouse model mimicking local breast cancer relapse after radiotherapy

Kuonen, Francois ; Laurent, Jullien ; Secondini, Chiara ; Lorusso, Girieca ; Stehle, Jean-Christophe ; Rausch, Thierry ; Hull, Eveline Faes-van't ; Bieler, Gregory ; Alghisi, Gian Carlo ; Schwendener, Reto A. ; Andrejevic-Blant, Snezana ; Mirimanoff, René-Olivier ; Ruegg, Curzio

In: Clinical Cancer Research, 2012, p. -

Purpose: Local breast cancer relapse after breast-saving surgery and radiotherapy is associated with increased risk of distant metastasis formation. The mechanisms involved remain largely elusive. We used the well-characterized 4T1 syngeneic, orthotopic breast cancer model to identify novel mechanisms of post-radiation metastasis. Experimental Design: 4T1 cells were injected in 20 Gy...

Université de Fribourg

Radiotherapy suppresses angiogenesis in mice through TGF-ßRI/ALK5-dependent inhibition of endothelial cell sprouting

Imaizumi, Natsuko ; Monnier, Yan ; Hegi, Monika ; Mirimanoff, René-Olivier ; Rüegg, Curzio

In: PLoS ONE, 2010, vol. 5, no. 6, p. e11084

Background: Radiotherapy is widely used to treat cancer. While rapidly dividing cancer cells are naturally considered the main target of radiotherapy, emerging evidence indicates that radiotherapy also affects endothelial cell functions, and possibly also their angiogenic capacity. In spite of its clinical relevance, such putative anti-angiogenic effect of radiotherapy has not been thoroughly...