[1] INSERM, UMR 892, F-44000 Nantes, France
[2] CNRS, UMR 6299, F-44000 Nantes, France
[3] Univ Nantes, F-44007 Nantes 1, France
[4] CNRS, Lab Chim Polymeres Organ, UMR 5629, F-33607 Pessac, France
[5] CNRS, Inst Chim Milieux & Mat Poitiers, UMR 7582, F-86000 Poitiers, France
[6] Reseau Epigenet Canc Pole Grand Ouest, Grand Ouest, France