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Retina Tissue Engineering by Conjunctiva Mesenchymal Stem Cells Encapsulated in Fibrin Gel: Hypotheses on Novel Approach to Retinal Diseases Treatment Publisher Pubmed



Soleimannejad M1 ; Ebrahimibarough S1 ; Nadri S2 ; Riaziesfahani M3 ; Soleimani M4 ; Tavangar SM5 ; Ai J1
Authors
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Authors Affiliations
  1. 1. Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Medical Biotechnology and Nanotechnology, School of Medicine, Zanjan University of Medical Science, Zanjan, Iran
  3. 3. Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Hematology and Blood Banking, Faculty of Medicine, Tarbiat Modares University, Tehran, Iran
  5. 5. Department of Pathology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran

Source: Medical Hypotheses Published:2017


Abstract

Background Retinitis pigmentosa (RP) and age related macular degeneration (AMD) are two retinal diseases that progress by photoreceptor cells death. In retinal transplantation studies, stem and progenitor cells inject into the sub retinal space or vitreous and then these cells can be migrate to the site of retinal degeneration and locate in the host retina and restitute vision. Presentation of the hypothesis Our hypothesis suggests that using human conjunctiva stem cells (as the source for increasing the number of human stem cells progenitor cells in retina dysfunction diseases) with fibrin gel and also assessing its relating in vitro (cellular and molecular processes) and in vivo (vision tests and pathology) could be a promising strategy for treatment of AMD and RP disorders. Testing the hypothesis In this idea, we describe a novel approach for retina tissue engineering with differentiation of conjunctiva mesenchymal stem cells (CJMSCs) into photoreceptor-like cells in fibrin gel with induction medium contain taurine. For assessment of differentiation, immunocytochemistry and real time PCR are used for the expression of Rhodopsin, RPE65, Nestin as differentiated photoreceptor cell markers in 2D and 3D culture. The results show that fibrin gel will offer a proper 3D scaffold for CJMSCs derived photoreceptor cell-like cells. Implications of the hypothesis Application of immune-privileged, readily available sources of adult stem cells like human conjunctiva stem cells with fibrin gel would be a promising strategy to increase the number of photoreceptor progenitor cells and promote involuntary angiogenesis needed in retina layer repair and regeneration. © 2017 Elsevier Ltd
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