TNF-α-expression in kidney of acute kidney injury (AKI). Negative control group (NC); Positive Control Group (PC); blueberries extract on therapy group with dosage of 500 mg/kg (T1); dosage 1000 mg/kg (T2); dosage 1500 mg/kg (T3); the red arrow indicated TNF–α expression. (immunochemistry staining, magnification 400x). 

Inflammatory cells on histopathology of Acute Kidney Injury, Negative Control Group (NC) Positive Control Group (PC); Blueberries extract therapy group dosage 500 mg/kg (T1); dosage 1000 mg/kg (T2); dosage 1500 mg/kg (T3). Note: light blue arrow indicated neutrophils inflammatory cells, green arrow indicated macrophage inflammatory cells, and yellow arrow indicated lymphocyte inflammatory cells. (HE staining; magnification 400x)