Pathogenic Variants in CEP85L Cause Sporadic and Familial Posterior Predominant Lissencephaly

Tsai, Meng Han and Muir, Alison M. and Wang, Won nJing and Kang, Yi Ning and Yang, Kun Chuan and Chao, Nian Hsin and Wu, Mei Feng and Chang, Ying Chao and Porter, Brenda E. and Jansen, Laura A. and Sebire, Guillaume and Deconinck, Nicolas and Fan, Wen Lang and Su, Shih Chi and Chung, Wen Hung and Almanza Fuerte, Edith P. and Mehaffey, Michele G. and Ng, Ching Ching and Chan, Chung Kin and Lim, Kheng Seang and Leventer, Richard J. and Lockhart, Paul J. and Riney, Kate and Damiano, John A. and Hildebrand, Michael S. and Mirzaa, Ghayda M. and Dobyns, William B. and Berkovic, Samuel F. and Scheffer, Ingrid E. and Tsai, Jin Wu and Mefford, Heather C. (2020) Pathogenic Variants in CEP85L Cause Sporadic and Familial Posterior Predominant Lissencephaly. Neuron, 106 (2). 237-245.e8. ISSN 0896-6273, DOI https://doi.org/10.1016/j.neuron.2020.01.027.

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Official URL: https://doi.org/10.1016/j.neuron.2020.01.027

Abstract

Lissencephaly (LIS), denoting a “smooth brain,” is characterized by the absence of normal cerebral convolutions with abnormalities of cortical thickness. Pathogenic variants in over 20 genes are associated with LIS. The majority of posterior predominant LIS is caused by pathogenic variants in LIS1 (also known as PAFAH1B1), although a significant fraction remains without a known genetic etiology. We now implicate CEP85L as an important cause of posterior predominant LIS, identifying 13 individuals with rare, heterozygous CEP85L variants, including 2 families with autosomal dominant inheritance. We show that CEP85L is a centrosome protein localizing to the pericentriolar material, and knockdown of Cep85l causes a neuronal migration defect in mice. LIS1 also localizes to the centrosome, suggesting that this organelle is key to the mechanism of posterior predominant LIS. © 2020 Elsevier Inc. Tsai et al. implicate CEP85L as an important cause of posterior predominant lissencephaly, identifying 13 individuals with rare, heterozygous CEP85L variants, including 2 families with autosomal dominant inheritance. © 2020 Elsevier Inc.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: CEP85L; lissencephaly; subcortical band heterotopia; pachygyria; posterior predominant; centrosome
Subjects: Q Science > QH Natural history
R Medicine
Divisions: Faculty of Medicine
Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Jun 2020 03:59
Last Modified: 11 Jun 2020 03:59
URI: http://eprints.um.edu.my/id/eprint/24797

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