δ Opioid receptor agonism preserves the retinal pigmented epithelial cell tight junctions and ameliorates the retinopathy in experimental diabetes - De Faria, J. M. L. (Renal Pathophysiology Laboratory Investigation on Diabetes Complications. Faculty of Medical Sciences. State University of Campinas (UNICAMP)) ; Duarte, D. A. (Renal Pathophysiology Laboratory Investigation on Diabetes Complications. Faculty of Medical Sciences. State University of Campinas (UNICAMP)) ; Simó, R. (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Garcia-Ramírez, Marta (Hospital Universitari Vall d'Hebron. Institut de Recerca) ; Dátilo, M. N. (Renal Pathophysiology Laboratory Investigation on Diabetes Complications. Faculty of Medical Sciences. State University of Campinas (UNICAMP)) ; Pasqualetto, F. C. (Renal Pathophysiology Laboratory Investigation on Diabetes Complications. Faculty of Medical Sciences. State University of Campinas (UNICAMP)) ; De Faria, J. B. L. (Renal Pathophysiology Laboratory Investigation on Diabetes Complications. Faculty of Medical Sciences. State University of Campinas (UNICAMP)) ; Universitat Autònoma de Barcelona