Photoreceptor Cilia and Retinal Ciliopathies

Overview

Journal Cold Spring Harb Perspect Biol

Specialties Biology
Molecular Biology

Date 2017 Mar 15

PMID 28289063

Citations 99

Authors

Kinga M Bujakowska

Qin Liu

Eric A Pierce

Affiliations

Soon will be listed here.

Abstract

Photoreceptors are sensory neurons designed to convert light stimuli into neurological responses. This process, called phototransduction, takes place in the outer segments (OS) of rod and cone photoreceptors. OS are specialized sensory cilia, with analogous structures to those present in other nonmotile cilia. Deficient morphogenesis and/or dysfunction of photoreceptor sensory cilia (PSC) caused by mutations in a variety of photoreceptor-specific and common cilia genes can lead to inherited retinal degenerations (IRDs). IRDs can manifest as isolated retinal diseases or syndromic diseases. In this review, we describe the structure and composition of PSC and different forms of ciliopathies with retinal involvement. We review the genetics of the IRDs, which are monogenic disorders but genetically diverse with regard to causality.

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