TLR4 and chronic myelogenous leukemia, BCR-ABL1 positive: Use lipopolysaccharide (LPS) to trigger inflammation in CML k562 cells and the role of SIRT1 as well as that of the Toll‐like receptor 4 (TLR4)–nuclear factor κB (NF‐κB)–reactive oxygen species (ROS) signaling axis in inflammation was investigated