Agrose gels showing RT-PCR gene expression analysis of the kidney injury biomarkers, kidney injury molecule-1 (KIM-1) and osteopontin (OPN) in the kidney tissue following DOX injection (3 mg / kg; i.p.) in SD rats. All data are expressed as the means ± standard error of the mean. Data were subjected to Student’s t-test and values corresponding to P < 0.05 is considered statistically significant.