Figure 1From: Activation of κ-opioid receptor by U50,488H improves vascular dysfunction in streptozotocin-induced diabetic ratsKOR was expressed in thoracic aortas. (A) Expression of KOR by immunohistochemical staining. KOR was mainly detectable in the endothelium and smooth muscle of thoracic aortas, highlighted with arrows. (scale bar: 25 μm). (B) Western blot analysis for KOR protein expression. *P < 0.05 vs. CON group.Back to article page