Development of new treatment for refractory malignant diseases and investigation of new cell death mechanisms

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We reported autophagy in malignant rhabdoid cells induced by depsipeptide and found that AIF translocation from mitochondria to nuclei has been related with this autophagy. We also analysed resistant mechanism of depsipeptide from our depsipepside-resisitant cell lines and ERK pathway was activated in these resistant cells. We established mouse osteosarcoma cell line which is easily metastasize to lung and treated those mice by zoledronic acid and CPT11. CPT11 inhibited invasion of osteosarcoma cells and inhibited lung metastasis in vivo. We also reported that exon 5 of BAALC as a new poor prognostic factor and CEBPA mutations as good prognostic marker in child acute myelogenous leukemia (AML).