AANS Neurosurgeon | Volume 26, Number 1, 2017

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Brain Cancer and Leukemia: New Molecular Mechanisms Decoded

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Brain cancer and leukemia are two potentially fatal diseases that affect thousands of Canadians each year. But a joint study conducted by researchers Frederick Antoine Mallette, of the Maisonneuve-Rosemont Hospital Research Centre and the University of Montreal, and Marc-Etienne Huot, of Laval University, has uncovered new molecular causes of brain cancer and leukemia. We already knew the existence of mutation phenomenon involving certain metabolic enzymes called isocitrate dehydrogenases 1 and 2 (IDH1/2) in various forms of brain cancer, including gliomas and glioblastomas, and in acute myeloid leukemia. Although the mutated forms of IDH1/2 appear to contribute to cancer formation, until now we had only limited understanding of the ways in which these metabolic defects caused cancer. Research conducted by Melissa Carbonneau, a master’s student in Professor Mallette’s laboratory, has helped to better understand the effect of IDH1/2 mutations in cancer by demonstrating their role in activating the pathways involved in cell proliferation and survival. Click here to read more.

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