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Staufner, C.* ; Peters, B.* ; Wagner, M. ; Alameer, S.* ; Barić, I.* ; Broué, P.* ; Bulut, D.* ; Church, J.A.* ; Crushell, E.* ; Dalgıç, B.* ; Das, A.M.* ; Dick, A.* ; Dikow, N.* ; Dionisi-Vici, C.* ; Distelmaier, F.* ; Bozbulut, N.E.* ; Feillet, F.* ; Gonzales, E.* ; Hadzic, N.* ; Hauck, F.* ; Hegarty, R.* ; Hempel, M.* ; Herget, T.* ; Klein, C.* ; Konstantopoulou, V.* ; Kopajtich, R. ; Kuster, A.* ; Laass, M.W.* ; Lainka, E.* ; Larson-Nath, C.* ; Leibner, A.* ; Lurz, E.* ; Mayr, J.A.* ; McKiernan, P.J.* ; Mention, K.* ; Moog, U.* ; Mungan, N.O.* ; Riedhammer, K.M. ; Santer, R.* ; Palafoll, I.V.* ; Vockley, J.* ; Westphal, D.S. ; Wiedemann, A.* ; Wortmann, S.B. ; Diwan, G.D.* ; Russell, R.B.* ; Prokisch, H. ; Garbade, S.F.* ; Kölker, S.* ; Hoffmann, G.F.* ; Lenz, D.*

Defining clinical subgroups and genotype-phenotype correlations in NBAS-associated disease across 110 patients.

Genet. Med. 22, 610-621 (2020)
DOI Verlagsversion bestellen
Verlagsversion online verfügbar 12/2020 (Free by publisher)
Purpose Pathogenic variants in neuroblastoma-amplified sequence (NBAS) cause an autosomal recessive disorder with a wide range of symptoms affecting liver, skeletal system, and brain, among others. There is a continuously growing number of patients but a lack of systematic and quantitative analysis. Methods Individuals with biallelic variants in NBAS were recruited within an international, multicenter study, including novel and previously published patients. Clinical variables were analyzed with log-linear models and visualized by mosaic plots; facial profiles were investigated via DeepGestalt. The structure of the NBAS protein was predicted using computational methods. Results One hundred ten individuals from 97 families with biallelic pathogenic NBAS variants were identified, including 26 novel patients with 19 previously unreported variants, giving a total number of 86 variants. Protein modeling redefined the beta-propeller domain of NBAS. Based on the localization of missense variants and in-frame deletions, three clinical subgroups arise that differ significantly regarding main clinical features and are directly related to the affected region of the NBAS protein: beta-propeller (combined phenotype), Sec39 (infantile liver failure syndrome type 2/ILFS2), and C-terminal (short stature, optic atrophy, and Pelger-Huet anomaly/SOPH). Conclusion We define clinical subgroups of NBAS-associated disease that can guide patient management and point to domain-specific functions of NBAS.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Nbas ; Infantile Liver Failure Syndrome Type 2 ; Soph Syndrome ; Acute Liver Failure ; Ralf; Acute Liver-failure; Amplified Sequence Gene; Soph Syndrome; Mutations; Deficiency; Prediction; Disorders; Secondary; Variants; Onset
ISSN (print) / ISBN 1530-0366
e-ISSN 1098-3600
Zeitschrift Genetics in Medicine
Quellenangaben Band: 22, Heft: 3, Seiten: 610-621 Artikelnummer: , Supplement: ,
Verlag Lippincott, Williams & Wilkins
Verlagsort Baltimore, Md.
Begutachtungsstatus