PKNOX1 and fatty liver disease: To further explore the impact of miR‐17‐mediated regulation of Pknox1 on hepatic steatosis, we transfected miR‐17 mimic or Pknox1 siRNA, or co‐transfected miR‐17 mimic with Pknox1 cDNA into HepG2 and L02 cells.