Target intelligence / Profile preview

X-linked Retinitis Pigmentosa GTPase Regulator (RPGR)

Target: RPGR
Molecular classification: GTPase regulator, Scaffold protein

Overview

The RPGR gene encodes a protein essential for normal vision, particularly in the retina. It plays a critical role in the function and maintenance of cilia, microscopic projections involved in cell movement and signaling. In photoreceptor cells, RPGR is located at the connecting cilium, regulating the trafficking of proteins necessary for phototransduction. Mutations in RPGR are a major cause of X-linked retinitis pigmentosa and other retinal dystrophies. Therapeutic approaches such as gene therapy are under investigation.

Biological functions

Ciliogenesis regulationIntracellular transportProtein traffickingPhototransductionRegulation of small GTPases

Disease associations

Retinitis PigmentosaCone-Rod DystrophyMacular DegenerationCiliopathy

Safety considerations

Vector stability and fidelity in gene therapySpecificity of gene therapy to retinal cellsPotential for off-target effects of gene therapy

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