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An anaplastic oligodendroglioma with CDKN2A expression and normal CDKN2A gene copy number and allelic statuses.

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posted on 10.10.2012 by Ahmed Idbaih, François Ducray, Caroline Dehais, Célia Courdy, Catherine Carpentier, Simon de Bernard, Emmanuelle Uro-Coste, Karima Mokhtari, Anne Jouvet, Jérôme Honnorat, Olivier Chinot, Carole Ramirez, Patrick Beauchesne, Alexandra Benouaich-Amiel, Joël Godard, Sandrine Eimer, Fabrice Parker, Emmanuelle Lechapt-Zalcman, Philippe Colin, Delphine Loussouarn, Thierry Faillot, Phong Dam-Hieu, Selma Elouadhani-Hamdi, Luc Bauchet, Olivier Langlois, Caroline Le Guerinel, Denys Fontaine, Elodie Vauleon, Philippe Menei, Marie Janette Motsuo Fotso, Christine Desenclos, Pierre Verelle, François Ghiringhelli, Georges Noel, François Labrousse, Antoine Carpentier, Frédéric Dhermain, Jean-Yves Delattre, Dominique Figarella-Branger

Panel A. Top part: Genomic profile with the copy number status. Middle part: Genomic profile with the allelic frequencies. Bottom part: The genomic profile including genomic loss (in green), normal copy number status (light blue) and copy neutral loss of heterozygosity (dark blue). Panel B. Chromosome 9 and the allelic frequencies (the arrow indicates the CDKNA locus). Panel C. Microsatellite analysis showing the allelic status of three markers (D9S171 and D9S1121) in the blood DNA (top part) and paired tumor DNA (bottom part) Panel D. CDKN2A expression using immunochemistry.

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