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Olfactory bulb anomalies in KBG syndrome mouse model and patients.
Goodkey K, Wischmeijer A, Perrin L, Watson AES, Qureshi L, Cordelli DM, Toni F, Gnazzo M, Benedicenti F, Elmaleh-Bergès M, Low KJ, Voronova A. Goodkey K, et al. Among authors: low kj. BMC Med. 2024 Apr 15;22(1):158. doi: 10.1186/s12916-024-03363-6. BMC Med. 2024. PMID: 38616269 Free PMC article.
ANKRD11 (ankyrin repeat domain 11) is a chromatin regulator and the only gene associated with KBG syndrome, a rare neurodevelopmental disorder. ...Finally, we describe two clinically and molecularly confirmed KBG syndrome patients with anosmia and olfactory bulb and groove …
ANKRD11 (ankyrin repeat domain 11) is a chromatin regulator and the only gene associated with KBG syndrome, a rare neurodevelopmental …
Expanding the Molecular Spectrum of ANKRD11 Gene Defects in 33 Patients with a Clinical Presentation of KBG Syndrome.
Bestetti I, Crippa M, Sironi A, Tumiatti F, Masciadri M, Smeland MF, Naik S, Murch O, Bonati MT, Spano A, Cattaneo E, Mariani M, Gotta F, Crosti F, Cavalli P, Pantaleoni C, Natacci F, Bedeschi MF, Milani D, Maitz S, Selicorni A, Spaccini L, Peron A, Russo S, Larizza L, Low K, Finelli P. Bestetti I, et al. Among authors: low k. Int J Mol Sci. 2022 May 25;23(11):5912. doi: 10.3390/ijms23115912. Int J Mol Sci. 2022. PMID: 35682590 Free PMC article.
By using a multi-testing genomic approach, including gene sequencing, Chromosome Microarray Analysis (CMA), and RT-qPCR gene expression assay, we searched for pathogenic alterations in ANKRD11. A molecular diagnosis was obtained in 22 out of 33 patients (67%). ANKRD11 …
By using a multi-testing genomic approach, including gene sequencing, Chromosome Microarray Analysis (CMA), and RT-qPCR gene expression assa …
Natural history of adults with KBG syndrome: A physician-reported experience.
Bayat A, Grimes H, de Boer E, Herlin MK, Dahl RS, Lund ICB, Bayat M, Bolund ACS, Gjerulfsen CE, Gregersen PA, Zilmer M, Juhl S, Cebula K, Rahikkala E, Maystadt I, Peron A, Vignoli A, Alfano RM, Stanzial F, Benedicenti F, Currò A, Luk HM, Jouret G, Zurita E, Heuft L, Schnabel F, Busche A, Veenstra-Knol HE, Tkemaladze T, Vrielynck P, Lederer D, Platzer K, Ockeloen CW, Goel H, Low KJ. Bayat A, et al. Among authors: low kj. Genet Med. 2024 Aug;26(8):101170. doi: 10.1016/j.gim.2024.101170. Epub 2024 May 27. Genet Med. 2024. PMID: 38818797
PURPOSE: KBG syndrome (KBGS) is a rare neurodevelopmental syndrome caused by haploinsufficiency of ANKRD11. The childhood phenotype is extensively reported but limited for adults. Thus, we aimed to delineate the clinical features of KBGS. ...
PURPOSE: KBG syndrome (KBGS) is a rare neurodevelopmental syndrome caused by haploinsufficiency of ANKRD11. The childhood phenotype i …
Missense variants in ANKRD11 cause KBG syndrome by impairment of stability or transcriptional activity of the encoded protein.
de Boer E, Ockeloen CW, Kampen RA, Hampstead JE, Dingemans AJM, Rots D, Lütje L, Ashraf T, Baker R, Barat-Houari M, Angle B, Chatron N, Denommé-Pichon AS, Devinsky O, Dubourg C, Elmslie F, Elloumi HZ, Faivre L, Fitzgerald-Butt S, Geneviève D, Goos JAC, Helm BM, Kini U, Lasa-Aranzasti A, Lesca G, Lynch SA, Mathijssen IMJ, McGowan R, Monaghan KG, Odent S, Pfundt R, Putoux A, van Reeuwijk J, Santen GWE, Sasaki E, Sorlin A, van der Spek PJ, Stegmann APA, Swagemakers SMA, Valenzuela I, Viora-Dupont E, Vitobello A, Ware SM, Wéber M, Gilissen C, Low KJ, Fisher SE, Vissers LELM, Wong MMK, Kleefstra T. de Boer E, et al. Among authors: low kj. Genet Med. 2023 Nov;25(11):100962. doi: 10.1016/j.gim.2023.100962. Epub 2023 Sep 1. Genet Med. 2023. PMID: 37658852 Free article. No abstract available.
Missense variants in ANKRD11 cause KBG syndrome by impairment of stability or transcriptional activity of the encoded protein.
de Boer E, Ockeloen CW, Kampen RA, Hampstead JE, Dingemans AJM, Rots D, Lütje L, Ashraf T, Baker R, Barat-Houari M, Angle B, Chatron N, Denommé-Pichon AS, Devinsky O, Dubourg C, Elmslie F, Elloumi HZ, Faivre L, Fitzgerald-Butt S, Geneviève D, Goos JAC, Helm BM, Kini U, Lasa-Aranzasti A, Lesca G, Lynch SA, Mathijssen IMJ, McGowan R, Monaghan KG, Odent S, Pfundt R, Putoux A, van Reeuwijk J, Santen GWE, Sasaki E, Sorlin A, van der Spek PJ, Stegmann APA, Swagemakers SMA, Valenzuela I, Viora-Dupont E, Vitobello A, Ware SM, Wéber M, Gilissen C, Low KJ, Fisher SE, Vissers LELM, Wong MMK, Kleefstra T. de Boer E, et al. Among authors: low kj. Genet Med. 2022 Oct;24(10):2051-2064. doi: 10.1016/j.gim.2022.06.007. Epub 2022 Jul 14. Genet Med. 2022. PMID: 35833929 Free article.
PURPOSE: Although haploinsufficiency of ANKRD11 is among the most common genetic causes of neurodevelopmental disorders, the role of rare ANKRD11 missense variation remains unclear. ...Missense variants significantly clustered in repression domain 2 at the ANKRD1 …
PURPOSE: Although haploinsufficiency of ANKRD11 is among the most common genetic causes of neurodevelopmental disorders, the role of …
Clinical and genetic aspects of KBG syndrome.
Low K, Ashraf T, Canham N, Clayton-Smith J, Deshpande C, Donaldson A, Fisher R, Flinter F, Foulds N, Fryer A, Gibson K, Hayes I, Hills A, Holder S, Irving M, Joss S, Kivuva E, Lachlan K, Magee A, McConnell V, McEntagart M, Metcalfe K, Montgomery T, Newbury-Ecob R, Stewart F, Turnpenny P, Vogt J, Fitzpatrick D, Williams M; DDD Study; Smithson S. Low K, et al. Am J Med Genet A. 2016 Nov;170(11):2835-2846. doi: 10.1002/ajmg.a.37842. Epub 2016 Sep 26. Am J Med Genet A. 2016. PMID: 27667800 Free PMC article.
KBG syndrome is characterized by short stature, distinctive facial features, and developmental/cognitive delay and is caused by mutations in ANKRD11, one of the ankyrin repeat-containing cofactors. We describe 32 KBG patients aged 2-47 years from 27 families ascertained vi …
KBG syndrome is characterized by short stature, distinctive facial features, and developmental/cognitive delay and is caused by mutations in …
Epilepsy is an important feature of KBG syndrome associated with poorer developmental outcome.
Buijsse N, Jansen FE, Ockeloen CW, van Kempen MJA, Zeidler S, Willemsen MH, Scarano E, Monticone S, Zonneveld-Huijssoon E, Low KJ, Bayat A, Sisodiya SM, Samanta D, Lesca G, de Jong D, Giltay JC, Verbeek NE, Kleefstra T, Brilstra EH, Vlaskamp DRM. Buijsse N, et al. Among authors: low kj. Epilepsia Open. 2023 Dec;8(4):1300-1313. doi: 10.1002/epi4.12799. Epub 2023 Aug 18. Epilepsia Open. 2023. PMID: 37501353 Free PMC article.
All patients with a likely pathogenic or pathogenic ANKRD11 variant were included in our patient cohort and categorized into an "epilepsy group" or "non-epilepsy group". Additionally, we included previously reported patients with (likely) pathogenic ANKRD11 variants …
All patients with a likely pathogenic or pathogenic ANKRD11 variant were included in our patient cohort and categorized into an "epil …
SETD5 Gene Haploinsufficiency in Three Patients With Suspected KBG Syndrome.
Crippa M, Bestetti I, Maitz S, Weiss K, Spano A, Masciadri M, Smithson S, Larizza L, Low K, Cohen L, Finelli P. Crippa M, et al. Among authors: low k. Front Neurol. 2020 Jul 24;11:631. doi: 10.3389/fneur.2020.00631. eCollection 2020. Front Neurol. 2020. PMID: 32793091 Free PMC article.
Mental retardation autosomal dominant 23 (MRD23) syndrome, due to SETD5 gene mutations, falls into this group of disorders. KBG syndrome, caused by ANKRD11 gene haploinsufficiency, is a chromatin related syndrome not formally belonging to this category. ...
Mental retardation autosomal dominant 23 (MRD23) syndrome, due to SETD5 gene mutations, falls into this group of disorders. KBG syndrome, ca …