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Src signaling is involved in chemoresistance and migration of chondrosarcoma cells

Src signaling is involved in chemoresistance and migration of chondrosarcoma cells. Jolieke G. van Oosterwijk ¹ , Inge H. Briaire- de Bruijn ¹ , Maayke A.J.H. van Ruler ¹ , Bram Herpers ² , Hans Gelderblom ³ , Bob van de Water ² , Judith V.M.G. Bovée ¹

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Src signaling is involved in chemoresistance and migration of chondrosarcoma cells

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  1. Src signaling is involved in chemoresistance and migration of chondrosarcoma cells Jolieke G. van Oosterwijk¹, Inge H. Briaire- de Bruijn¹, Maayke A.J.H. van Ruler¹, Bram Herpers², Hans Gelderblom³, Bob van de Water², Judith V.M.G. Bovée¹ ¹Dept of pathology, LUMC, Leiden, the Netherlands ²Dept of toxicology, LACDR, Leiden, the Netherlands ³Dept of clinical oncology, LUMC, Leiden, the Netherlands

  2. Background No efficacious treatment for irresectable or metastatic chondrosarcoma exists Activation of AKT and Src pathways in Chondrosarcoma Identification of role of survival pathways in chemoresistance 2

  3. AKT and Src activity in chondrosarcoma Pepchip Pepchip 3 Schrage et al. Cancer Research 2009

  4. PI3K/AKT is not involved in chemoresistance 4

  5. Dasatinib overcomes chemoresistance 5

  6. Dasatinib with doxorubicin induces apoptosis

  7. Fyn is the most important Src family member N=137: 92 central CS, 45 peripheral CS 7

  8. Dasatinib inhibits cell migration 8

  9. Inhibition of PI3K/AKT pathway with Enzastaurin minimal effect in chondrosarcoma Fyn most important Src family member in chondrosarcoma Dasatinib inhibits migration and overcomes chemoresistance Conclusions Combination therapy of dasatinib with doxorubicin in high grade chondrosarcoma 9

  10. Acknowledgements FP7 European Clinical Trials in Rare Sarcomas within an integrated translational trial network EuroBoNet Network of Excellence European network to promote research into uncommon cancers in adults and children: Pathology, Biology and Genetics of Bone Tumours

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