Aug 1, 2020

Single-cell transcriptome analysis of the Akimba mouse retina reveals cell-type-specific insights into the pathobiology of diabetic retinopathy

Inge Van HoveMichaël Porcu


Diabetic retinopathy is a common complication of diabetes and a leading cause of visual impairment and blindness. Despite recent advances, our understanding of its pathophysiology remains incomplete. The aim of this study was to provide deeper insight into the complex network of molecular and cellular changes that underlie diabetic retinopathy by systematically mapping the transcriptional changes that occur in the different cellular compartments of the degenerating diabetic mouse retina. Single-cell RNA sequencing was performed on retinal tissue from 12-week-old wild-type and Akimba (Ins2Akita×Vegfa+/-) mice, which are known to replicate features of clinical diabetic retinopathy. This resulted in transcriptome data for 9474 retinal cells, which could be annotated to eight distinct retinal cell types. Using STRING analysis, we studied differentially expressed gene networks in neuronal, glial and immune cell compartments to create a comprehensive view on the pathological changes that occur in the Akimba retina. Using subclustering analysis, we further characterised macroglial and inflammatory cell subpopulations. Prominent findings were confirmed at the protein level using immunohistochemistry, western blotting and ELISA. At 12 w...Continue Reading

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Mentioned in this Paper

Immune System
Isolectin B4-binding glycoprotein, mouse
Wild Type Mouse
Glyceraldehyde-3-phosphate dehydrogenase
Oxidative Stress
Macroglial Cell
Ion Transport

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