Efficient transduction and optogenetic stimulation of retinal bipolar cells by a synthetic adeno-associated virus capsid and promoter.

Abstract:

:In this report, we describe the development of a modified adeno-associated virus (AAV) capsid and promoter for transduction of retinal ON-bipolar cells. The bipolar cells, which are post-synaptic to the photoreceptors, are important retinal targets for both basic and preclinical research. In particular, a therapeutic strategy under investigation for advanced forms of blindness involves using optogenetic molecules to render ON-bipolar cells light-sensitive. Currently, delivery of adequate levels of gene expression is a limiting step for this approach. The synthetic AAV capsid and promoter described here achieves high level of optogenetic transgene expression in ON-bipolar cells. This evokes high-frequency (~100 Hz) spiking responses in ganglion cells of previously blind, rd1, mice. Our vector is a promising vehicle for further development toward potential clinical use.

journal_name

EMBO Mol Med

journal_title

EMBO molecular medicine

authors

Cronin T,Vandenberghe LH,Hantz P,Juttner J,Reimann A,Kacsó AE,Huckfeldt RM,Busskamp V,Kohler H,Lagali PS,Roska B,Bennett J

doi

10.15252/emmm.201404077

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

1175-90

issue

9

eissn

1757-4676

issn

1757-4684

pii

emmm.201404077

journal_volume

6

pub_type

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