... Becton-Dickinson, San Jose,CA) for 20 minutes, then treated with fixing and per-meabilizing reagents (Fix&Perm kit, Caltag, Burlingame,CA) according to the manufacturer’s instructions, andfinally ... Bulian P, Cattarossi I,Ilariucci F, Sozzi E, Spina V, Zucca E, Degan M, Lauria F, Del PG, Efremov DG,Marasca R, Gaidano G, Gattei V: Molecular and clinical features of chronic lymphocytic leukaemia ... vailable for all samples, including Rai stageat diagnosis, b2-microglobulin, interphase fluorescence in situ hybridization (FISH) analysis, immunoglobulinheavy chain variable (IGHV) genes mutational...