First report of Tunisian patients with CDKL5‐related encephalopathy

Autor: Chahnez Charfi Triki, Salma Zouari Mallouli, Marwa Ben Jdila, Mariem Ben Said, Fatma Kamoun Feki, Sarah Weckhuysen, Sabeur Masmoudi, Faiza Fakhfakh

Publikováno v: Epilepsia Open, Vol 9, Iss 3, Pp 906-917 (2024)

Abstract Objective Mutations in the cyclin‐dependent kinase‐like 5 gene (CDKL5) are associated with a wide spectrum of clinical presentations. Early‐onset epileptic encephalopathy (EOEE) is the most recognized phenotype. Here we describe phenot

Externí odkaz: https://doaj.org/article/c640a6965bed4f77a3a6d07f66909886

Drug resistant epilepsy and associated factors among children with epilepsies in Tanzania: a cross-sectional study

Autor: Obrey H Urio, Edward Kija, Sarah Weckhuysen, Hilda Makungu, Helga Naburi

Publikováno v: BMC Neurology, Vol 24, Iss 1, Pp 1-7 (2024)

Abstract Background Epilepsy contributes to high morbidity among children and adolescents in developing countries. A quarter of all children with epilepsy will be resistant to anti-seizure medications (ASMs), with associated neurocognitive impairment

Externí odkaz: https://doaj.org/article/72af013e005d47438a11e27cb0c725f3

KCNQ2 R144 variants cause neurodevelopmental disability with language impairment and autistic features without neonatal seizures through a gain-of-function mechanism

Autor: Francesco Miceli, Charissa Millevert, Maria Virginia Soldovieri, Ilaria Mosca, Paolo Ambrosino, Lidia Carotenuto, Dewi Schrader, Hyun Kyung Lee, James Riviello, William Hong, Sarah Risen, Lisa Emrick, Hitha Amin, Dorothée Ville, Patrick Edery, Julitta de Bellescize, Vincent Michaud, Julien Van-Gils, Cyril Goizet, Marjolein H. Willemsen, Tjitske Kleefstra, Rikke S Møller, Allan Bayat, Orrin Devinsky, Tristan Sands, G. Christoph Korenke, Gerhard Kluger, Heather C. Mefford, Eva Brilstra, Gaetan Lesca, Mathieu Milh, Edward C. Cooper, Maurizio Taglialatela, Sarah Weckhuysen

Publikováno v: EBioMedicine, Vol 81, Iss , Pp 104130- (2022)

Summary: Background: Prior studies have revealed remarkable phenotypic heterogeneity in KCNQ2-related disorders, correlated with effects on biophysical features of heterologously expressed channels. Here, we assessed phenotypes and functional propert

Externí odkaz: https://doaj.org/article/27289a7516ba4ba9b422fb966fcb4594

Loss-of-function mutations in UDP-Glucose 6-Dehydrogenase cause recessive developmental epileptic encephalopathy

Autor: Holger Hengel, Célia Bosso-Lefèvre, George Grady, Emmanuelle Szenker-Ravi, Hankun Li, Sarah Pierce, Élise Lebigot, Thong-Teck Tan, Michelle Y. Eio, Gunaseelan Narayanan, Kagistia Hana Utami, Monica Yau, Nader Handal, Werner Deigendesch, Reinhard Keimer, Hiyam M. Marzouqa, Meral Gunay-Aygun, Michael J. Muriello, Helene Verhelst, Sarah Weckhuysen, Sonal Mahida, Sakkubai Naidu, Terrence G. Thomas, Jiin Ying Lim, Ee Shien Tan, Damien Haye, Michèl A. A. P. Willemsen, Renske Oegema, Wendy G. Mitchell, Tyler Mark Pierson, Marisa V. Andrews, Marcia C. Willing, Lance H. Rodan, Tahsin Stefan Barakat, Marjon van Slegtenhorst, Ralitza H. Gavrilova, Diego Martinelli, Tal Gilboa, Abdullah M. Tamim, Mais O. Hashem, Moeenaldeen D. AlSayed, Maha M. Abdulrahim, Mohammed Al-Owain, Ali Awaji, Adel A. H. Mahmoud, Eissa A. Faqeih, Ali Al Asmari, Sulwan M. Algain, Lamyaa A. Jad, Hesham M. Aldhalaan, Ingo Helbig, David A. Koolen, Angelika Riess, Ingeborg Kraegeloh-Mann, Peter Bauer, Suleyman Gulsuner, Hannah Stamberger, Alvin Yu Jin Ng, Sha Tang, Sumanty Tohari, Boris Keren, Laura E. Schultz-Rogers, Eric W. Klee, Sabina Barresi, Marco Tartaglia, Hagar Mor-Shaked, Sateesh Maddirevula, Amber Begtrup, Aida Telegrafi, Rolph Pfundt, Rebecca Schüle, Brian Ciruna, Carine Bonnard, Mahmoud A. Pouladi, James C. Stewart, Adam Claridge-Chang, Dirk J. Lefeber, Fowzan S. Alkuraya, Ajay S. Mathuru, Byrappa Venkatesh, Joseph J. Barycki, Melanie A. Simpson, Saumya S. Jamuar, Ludger Schöls, Bruno Reversade

Publikováno v: Nature Communications, Vol 11, Iss 1, Pp 1-16 (2020)

UDP-glucuronic acid is a component of the extracellular matrix. Here, the authors report biallelic variants in the gene encoding UDP-Glucose 6-Dehydrogenase (UGDH) in individuals affected by developmental epileptic encephalopathies that impair UGDH s

Externí odkaz: https://doaj.org/article/669f0574667343e2aba272d086c020c6

Biallelic VARS variants cause developmental encephalopathy with microcephaly that is recapitulated in vars knockout zebrafish

Autor: Aleksandra Siekierska, Hannah Stamberger, Tine Deconinck, Stephanie N. Oprescu, Michèle Partoens, Yifan Zhang, Jo Sourbron, Elias Adriaenssens, Patrick Mullen, Patrick Wiencek, Katia Hardies, Jeong-Soo Lee, Hoi-Khoanh Giong, Felix Distelmaier, Orly Elpeleg, Katherine L. Helbig, Joseph Hersh, Sedat Isikay, Elizabeth Jordan, Ender Karaca, Angela Kecskes, James R. Lupski, Reka Kovacs-Nagy, Patrick May, Vinodh Narayanan, Manuela Pendziwiat, Keri Ramsey, Sampathkumar Rangasamy, Deepali N. Shinde, Ronen Spiegel, Vincent Timmerman, Sarah von Spiczak, Ingo Helbig, C4RCD Research Group, AR working group of the EuroEPINOMICS RES Consortium, Sarah Weckhuysen, Christopher Francklyn, Anthony Antonellis, Peter de Witte, Peter De Jonghe

Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-15 (2019)

tRNAs are linked with their cognate amino acid by aminoacyl tRNA synthetases (ARS). Here, the authors report a developmental encephalopathy associated with biallelic VARS variants (valyl-tRNA synthetase) that lead to loss of function, as determined b

Externí odkaz: https://doaj.org/article/ea0d836e898d4bdc88b6a0d98d57ecd8