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Itai, T.* ; Hamanaka, K.* ; Sasaki, K.* ; Wagner, M. ; Kotzaeridou, U.* ; Brosse, I.* ; Ries, M.* ; Kobayashi, Y.* ; Tohyama, J.* ; Kato, M.* ; Ong, W.P.* ; Chew, H.B.* ; Rethanavelu, K.* ; Ranza, E.* ; Blanc, X.* ; Uchiyama, Y.* ; Tsuchida, N.* ; Fujita, A.* ; Azuma, Y.* ; Koshimizu, E.* ; Mizuguchi, T.* ; Takata, A.* ; Miyake, N.* ; Takahashi, H.* ; Miyagi, E.* ; Tsurusaki, Y.* ; Doi, H.* ; Taguri, M.* ; Antonarakis, S.E.* ; Nakashima, M.* ; Saitsu, H.* ; Miyatake, S.* ; Matsumoto, N.*

De novo variants in CELF2  that disrupt the nuclear localization signal cause developmental and epileptic encephalopathy.

Hum. Mutat. 42, 66-76 (2021)
Forschungsdaten DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
We report heterozygous CELF2 (NM_006561.3) variants in five unrelated individuals: Individuals 1-4 exhibited developmental and epileptic encephalopathy (DEE) and Individual 5 had intellectual disability and autistic features. CELF2 encodes a nucleocytoplasmic shuttling RNA-binding protein that has multiple roles in RNA processing and is involved in the embryonic development of the central nervous system and heart. Whole-exome sequencing identified the following CELF2 variants: two missense variants [c.1558C>T:p.(Pro520Ser) in unrelated Individuals 1 and 2, and c.1516C>G:p.(Arg506Gly) in Individual 3], one frameshift variant in Individual 4 that removed the last amino acid of CELF2 c.1562dup:p.(Tyr521Ter), possibly resulting in escape from nonsense-mediated mRNA decay (NMD), and one canonical splice site variant, c.272-1G>C in Individual 5, also probably leading to NMD. The identified variants in Individuals 1, 2, 4, and 5 were de novo, while the variant in Individual 3 was inherited from her mosaic mother. Notably, all identified variants, except for c.272-1G>C, were clustered within 20 amino acid residues of the C-terminus, which might be a nuclear localization signal. We demonstrated the extranuclear mislocalization of mutant CELF2 protein in cells transfected with mutant CELF2 complementary DNA plasmids. Our findings indicate that CELF2 variants that disrupt its nuclear localization are associated with DEE.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Autistic Features ; Celf2 ; De Novo Variant ; Developmental And Epileptic Encephalopathy ; Hypotonia; Rna; Expression
Sprache englisch
Veröffentlichungsjahr 2021
Prepublished im Jahr 2020
HGF-Berichtsjahr 2020
ISSN (print) / ISBN 1059-7794
e-ISSN 1098-1004
Zeitschrift Human Mutation
Quellenangaben Band: 42, Heft: 1, Seiten: 66-76 Artikelnummer: , Supplement: ,
Verlag Wiley
Verlagsort 111 River St, Hoboken 07030-5774, Nj Usa
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Neurogenomics (ING)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-503200-001
Förderungen Takeda Science Foundation
Ministry of Health, Labour and Welfare
Japan Society for the Promotion of Science
Japan Agency for Medical Research and Development
DOI 10.1002/humu.24130
WOS ID WOS:000587700000001
Scopus ID 85096719098
PubMed ID 33131106
Erfassungsdatum 2020-11-30
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