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Burkitt Lymphoma

Scientists at Children's Hospital target Burkitt lymphoma

Published in Blood Weekly, November 6th, 2008

"The p53 tumor suppressor pathway limits oncogenesis by inducing cell cycle arrest or apoptosis. A key p53 target gene is PUMA, which encodes a BH3-only proapoptotic protein," investigators in the United States report.

"Here we demonstrate that Puma deletion in the E mu-Myc mouse model of Burkitt lymphoma accelerates lymphomagenesis and that similar to 75% of E mu-Myc lymphomas naturally select against Puma protein expression. Furthermore, approximately 40% of primary human Burkitt lymphomas fail to express detectable levels of PUMA and in some tumors this is associated with DNA methylation. Burkitt lymphoma cell lines phenocopy the primary tumors with respect to DNA...

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