Next Generation Gene Therapy (image) University of Pennsylvania School of Medicine Share Print E-Mail Caption Green fluorescent protein in photoreceptors and retinal pigment epithelial cells after subretinal injection of AAV8 in a monkey retina. Cell nuclei are labeled blue and cone photoreceptors are labeled red. Credit Luk Vandenberghe, Ph.D., Perelman School of Medicine at the University of Pennsylvania Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.