HMGB1 and leukemia: The abnormal expression of HMGB1 was positively correlated with the clinical status of childhood leukemia, which was attributed to the fact that endogenous HMGB1 induced autophagy and enhanced leukemia resistance through the phosphatidylinositol‐3‐kinase/protein kinase B/mammalian target of rapamycin complex 1 pathway.186