1. David Antonetti is at the Department of Cellular and Molecular Physiology and Ophthalmology, Penn State College of Medicine Hershey, PA USA.

Correspondence to: David Antonetti¹ e-mail: dantonetti@psu.edu

Abstract

High blood sugar can lead to diabetic retinopathy and subsequent blindness. Glucose is now found to quench a growth factor that keeps pericytes alive. Without these key support cells, the retinal vasculature degenerates (pages 1298–1306).

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