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Complexité génétique des ciliopathies et identification de nouveaux gènes


Bachmann-Gagescu, Ruxandra (2014). Complexité génétique des ciliopathies et identification de nouveaux gènes. Médecine/Sciences, 30(11):1011-1023.

Abstract

Ciliopathies are a large group of human disorders caused by dysfunction of primary or motile cilia and unified by their overlapping clinical features (brain malformations, retinal dystrophy, cystic kidney disease, liver fibrosis and skeletal abnormalities). Ciliopathies are mendelian disorders with prominent genetic heterogeneity and marked allelism between different clinical entities, which are in part explained by the recently identified functional modules and multi-protein complexes formed by ciliopathy-associated gene products. The current review provides an updated snapshot of this complex evolving field, highlighting the key phenotypic features and causative genes for commonly-studied ciliopathies and summarizing our emerging understanding of the correlations between the functions of subgroups of genes and clinical sub-types of ciliopathies. Using the example of Joubert syndrome, a ciliopathy characterized by a distinctive hindbrain malformation and caused by mutations in more than 20 different genes, this work also reviews the principal methods used for new gene identification, including candidate gene approaches, homozygosity mapping as well as high throughput next-generation and exome sequencing.

Abstract

Ciliopathies are a large group of human disorders caused by dysfunction of primary or motile cilia and unified by their overlapping clinical features (brain malformations, retinal dystrophy, cystic kidney disease, liver fibrosis and skeletal abnormalities). Ciliopathies are mendelian disorders with prominent genetic heterogeneity and marked allelism between different clinical entities, which are in part explained by the recently identified functional modules and multi-protein complexes formed by ciliopathy-associated gene products. The current review provides an updated snapshot of this complex evolving field, highlighting the key phenotypic features and causative genes for commonly-studied ciliopathies and summarizing our emerging understanding of the correlations between the functions of subgroups of genes and clinical sub-types of ciliopathies. Using the example of Joubert syndrome, a ciliopathy characterized by a distinctive hindbrain malformation and caused by mutations in more than 20 different genes, this work also reviews the principal methods used for new gene identification, including candidate gene approaches, homozygosity mapping as well as high throughput next-generation and exome sequencing.

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Additional indexing

Other titles:Genetic complexity of ciliopathies and novel genes identification
Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Medical Genetics
Dewey Decimal Classification:570 Life sciences; biology
610 Medicine & health
Date:November 2014
Deposited On:09 Jan 2015 13:53
Last Modified:08 Dec 2017 10:12
Publisher:EDP Sciences
ISSN:0767-0974
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1051/medsci/20143011016
PubMed ID:25388584

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