Innovative treatment targets In pediatric high-grade brain tumors Dannis Gilbert van Vuurden Proefschrift1.indd 1 24-04-14 13:54 Innovative treatment targets in pediatric high-grade brain tumors Thesis, VU University, Amsterdam, the Netherlands © Dannis van Vuurden, Amsterdam, the Netherlands, 2014 The printing of this thesis was supported by: Actavis B.V. Amgen B.V. Becton Dickinson B.V. Hospira Enterprises B.V. Nutricia Pfizer Oncology Roche Sanquin Teva Pharmachemie B.V. To-BBB Technologies B.V. Cover Els Custers (Based on a design by Esther Hulleman) Lay-out Dorine Fliervoet Printed by Buijten & Schipperheijn, Amsterdam ISBN978-90-9028282-4 Proefschrift1.indd 2 24-04-14 13:54 VRIJE UNIVERSITEIT Innovative treatment targets in pediatric high-grade brain tumors ACADEMISCH PROEFSCHRIFT ter verkrijging van de graad Doctor aan de Vrije Universiteit Amsterdam, op gezag van de rector magnificus prof.dr. F.A. van der Duyn Schouten, in het openbaar te verdedigen ten overstaan van de promotiecommissie van de faculteit der Geneeskunde op dinsdag 17 juni 2014 om 15:45 uur in de aula van de universiteit, De Boelelaan 1105 door Dannis Gilbert van Vuurden geboren te Arnhem Proefschrift1.indd 3 24-04-14 13:54 Promotoren: Prof. dr. G.J.L. Kaspers Prof. dr. W.P. Vandertop Co-promotoren: Dr. J. Cloos Dr. E. Hulleman Proefschrift1.indd 4 24-04-14 13:54 Contents Chapter 1 General introduction and outline of this thesis 7 Adapted from ‘Hersentumoren op kinderleeftijd’, Tijdschrift voor Kindergeneeskunde 2011; 79: 146-155 Chapter 2 Attenuated AMPA receptor expression allows glioblastoma cell survival in glutamate-rich environment PLoS ONE 2009; 4(6): e5953 23 Chapter 3 PARP inhibition sensitizes childhood high-grade glioma, medulloblastoma and ependymoma to radiation Oncotarget 2011; 2(12): 984 – 996 41 Chapter 4 Cytotoxicity and radiosensitization of high-grade glioma cells by CI-1033, an irreversible pan-ErbB inhibitor Journal of Cancer Science & Therapy 2013; 5(7): 249-255 63 Chapter 5 PBXIP1 is overexpressed in astrocytoma and promotes tumor cell growth and migration Neuro-Oncology; In press 83 Chapter 6 Epigenetic silencing of SIRPα in medulloblastoma To be submitted 113 Chapter 7 Summary / Samenvatting 137 Chapter 8 Appendices General discussion and future directions 145 Publications 157 Dankwoord Curriculum Vitae 163 171 Figures in color 167 5 Proefschrift1.indd 5 24-04-14 13:54 I just know that something good is going to happen... Kate Bush (Cloudbusting, 1985) 6 Proefschrift1.indd 6 24-04-14 13:54