siRNAs targeting the ERK2 signaling pathway and <it>AML1/MTG8</it> fusion gene attenuate the differentiation, proliferation and growth arrest in t(8;21) leukemia by Bashanfer Salem, Al-Hassan Faisal, Hassan Rosline, Heidenreich Olaf, Mohamed Said Mohamed Saifulaman, Mohd Yusoff Narazah