Combinatorial therapy for targeting cancer stem cells in Myeloid leukaemia (ML): a pharmaceutical mixture encompassing Metformin and Navitoclax/ABT-263  inhibits cytosolic aminotransferase BCAT1 expression, increases a-ketoglutarate levels, promotes degradation of HIF1a levels, increases DNA demethylase levels, promotes hypomethylation, increases the expression of tumor suppressor genes, inhibits leukaemia-initiating potential of AML cells, promotes differentiation of AML cells, and inhibits cancer progression in AML, via up-regulation of its target gene, 6/February/2019, 11.22 pm