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Keeping an Eye on Bardet-Biedl Syndrome: A Comprehensive Review of the Role of Bardet-Biedl Syndrome Genes in the Eye
Journal article

Keeping an Eye on Bardet-Biedl Syndrome: A Comprehensive Review of the Role of Bardet-Biedl Syndrome Genes in the Eye

Katie Weihbrecht, Wesley A Goar, Thomas Pak, Janelle E Garrison, Adam P DeLuca, Edwin M Stone, Todd E Scheetz and Val C Sheffield
Medical research archives, Vol.5(9), 1526
09/2017
DOI: 10.18103/mra.v5i9.1526
PMCID: PMC5814251
PMID: 29457131

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Abstract

Upwards of 90% of individuals with Bardet-Biedl syndrome (BBS) display rod-cone dystrophy with early macular involvement. BBS is an autosomal recessive, genetically heterogeneous, pleiotropic ciliopathy for which 21 causative genes have been discovered to date. In addition to retinal degeneration, the cardinal features of BBS include obesity, cognitive impairment, renal anomalies, polydactyly, and hypogonadism. Here, we review the genes, proteins, and protein complexes involved in BBS and the BBS model organisms available for the study of retinal degeneration. We include comprehensive lists for all known BBS genes, their known phenotypes, and the model organisms available. We also review the molecular mechanisms believed to lead to retinal degeneration. We provide an overview of the mode of inheritance and describe the relationships between BBS genes and Joubert syndrome, Leber Congenital Amaurosis, Senior-Løken syndrome, and non-syndromic retinitis pigmentosa. Finally, we propose ways that new advances in technology will allow us to better understand the role of different BBS genes in retinal formation and function.
Blindness eye Leber Congenital Amaurosis retinal degeneration Joubert syndrome photoreceptor Bardet-Biedl syndrome nyctalopia Senior-Løken syndrome BBSome ciliopathy

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