Fig. 4From: Effects of nano-curcumin on gene expression of insulin and insulin receptorImmunohistochemical graphs showing a negative control which shows marked immunohistochemical insulin positive reaction. b Diabetic model induced with STZ shows mild immunohistochemical insuline positivity distributed in the islets. c STZ-induced diabetic model treated with curcumin extract shows marked immunohistochemical insulin positivityBack to article page