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© Jacob SEELER & Anne DEJEAN, Institut Pasteur
Immunostaining of PML nuclear bodies involved in acute promyelocytic leukemia

About

Cancer is a disease of gene expression that leads to the progressive transformation of normal cells into malignant and metastatic tumor cells. Aberrant gene expression can result from genetic alterations activating oncogenes or inactivating tumor suppressor genes. In addition to the instructions contained in the DNA, a second level of information, the so-called epigenetic information, has recently emerged as another potent mechanism regulating gene expression that do not involve changes in the genotype. Recent studies provide compelling evidence that incorrect establishment and/or mis-interpretation of this epigenetic information, including DNA methylation, chromatin modifications and noncoding RNA expression, can also play an important role in cancer, thus informing novel approaches for chromatin therapies aimed at restoring a normal transcriptional program.

 

Our laboratory is interested in studying the cellular and molecular mechanisms underlying normal and pathological cell fates with a particular emphasis on cancer. We are investigating the importance of the post-translational modification by SUMO in chromatin biology and gene expression in healthy and cancer cells and understanding how this modification regulate cell homeostasis and cell plasticity at the chromatin level. We are also developing an integrated genome-wide profiling approach to dissect the molecular bases of hepatocellular carcinoma development in adolescents and young adults. Ultimately, we hope that our research will bring new contributions in understanding the mechanisms that underlie cancer initiation with a view toward therapeutic strategies seeking to manipulate sumoylation levels in regenerative medicine and cancer treatment.

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Phone: 01 45 68 88 23 Email: anne.dejean@pasteur.fr Address 25-28 Rue du Docteur Roux 75015, Paris France