Research Article

Black Seed Thymoquinone Improved Insulin Secretion, Hepatic Glycogen Storage, and Oxidative Stress in Streptozotocin-Induced Diabetic Male Wistar Rats

Figure 4

Immunohistochemical staining for insulin expression in pancreatic islets from different experimental groups. (a) Control, (b) NSO- (2 mL/kg) treated group, (c) diabetic group, and (d) diabetic group treated with NSO (2 mL/kg). Scale bar represents 50 μm.
(a)
(b)
(c)
(d)