Effect of bone marrow mesenchymal stem cells-derived exosomes on diabetes-induced retinal injury: Implication of Wnt/ b-catenin signaling pathway oleh Nesrine Ebrahim, Heba Elsayed Abd El-Halim, Omayma Kamel Helal, Nahla El-Eraky El-Azab, Omnia A.M. Badr, Amira Hassouna, Hajir A.Al Saihati, Nashwa Hassan Aborayah, Hanan Tawfeek Emam, Hend S. El-wakeel, Mohammad Aljasir, Mohamed El-Sherbiny, Naglaa A.S. Sarg, Gehan Ahmed Shaker, Ola Mostafa, Dina Sabry, Marwa Abdel Kader Fouly, Nicholas Robert Forsyth, Nehal M. Elsherbiny, Rabab F. Salim