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Polymers 2011, 3(2), 899-914; doi:10.3390/polym3020899
Review

Synthetic Polymer Scaffolds for Stem Cell Transplantation in Retinal Tissue Engineering

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Received: 17 April 2011 / Revised: 23 May 2011 / Accepted: 25 May 2011 / Published: 26 May 2011
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Abstract

Age-related macular degeneration and retinitis pigmentosa are two leading causes of irreversible blindness characterized by photoreceptor loss. Cell transplantation may be one of the most promising approaches of retinal repair. However, several problems hinder the success of retinal regeneration, including cell delivery and survival, limited cell integration and incomplete cell differentiation. Recent studies show that polymer scaffolds can address these three problems. This article reviews the current literature on synthetic polymer scaffolds used for stem cell transplantation, especially retinal progenitor cells. The advantages and disadvantages of different polymer scaffolds, the role of different surface modifications on cell attachment and differentiation, and controlled drug delivery are discussed. The development of material and surface modification techniques is vital in making cell transplantation a clinical success.
Keywords: progenitor cell; transplantation; polymer; tissue engineering; retina progenitor cell; transplantation; polymer; tissue engineering; retina
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Yao, J.; Tao, S.L.; Young, M.J. Synthetic Polymer Scaffolds for Stem Cell Transplantation in Retinal Tissue Engineering. Polymers 2011, 3, 899-914.

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