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Expression patterns of ciliopathy genes ARL3 and CEP120 reveal roles in multisystem development

Lookup NU author(s): Laura Powell, Miguel Barroso Gil, Dr Gavin Clowry, Laura Devlin, Dr Simon Ramsbottom, Dr Colin Miles, Professor John Sayer

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© 2020, The Author(s).Background: Joubert syndrome and related disorders (JSRD) and Jeune syndrome are multisystem ciliopathy disorders with overlapping phenotypes. There are a growing number of genetic causes for these rare syndromes, including the recently described genes ARL3 and CEP120. Methods: We sought to explore the developmental expression patterns of ARL3 and CEP120 in humans to gain additional understanding of these genetic conditions. We used an RNA in situ detection technique called RNAscope to characterise ARL3 and CEP120 expression patterns in human embryos and foetuses in collaboration with the MRC-Wellcome Trust Human Developmental Biology Resource. Results: Both ARL3 and CEP120 are expressed in early human brain development, including the cerebellum and in the developing retina and kidney, consistent with the clinical phenotypes seen with pathogenic variants in these genes. Conclusions: This study provides insights into the potential pathogenesis of JSRD by uncovering the spatial expression of two JSRD-causative genes during normal human development.


Publication metadata

Author(s): Powell L, Barroso-Gil M, Clowry GJ, Devlin LA, Molinari E, Ramsbottom SA, Miles CG, Sayer JA

Publication type: Article

Publication status: Published

Journal: BMC Developmental Biology

Year: 2020

Volume: 20

Issue: 1

Online publication date: 09/12/2020

Acceptance date: 11/11/2020

Date deposited: 18/01/2021

ISSN (electronic): 1471-213X

Publisher: BioMed Central Ltd

URL: https://doi.org/10.1186/s12861-020-00231-3

DOI: 10.1186/s12861-020-00231-3


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