Browsing by Author "Horvath, Rita"

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  • A de novo CSDE1 variant causing neurodevelopmental delay, intellectual disability, neurologic and psychiatric symptoms in a child of consanguineous parents
    Gangfuß, Andrea; Lochmüller, Hanns; Töpf, Ana; O'Hehir, Emily; Horvath, Rita; Kölbel, Heike; Schweiger, Bernd; Schara-Schmidt, Ulrike; Roos, Andreas (Wiley, 2022)
    CSDE1 encodes the cytoplasmic cold shock domain-containing protein E1 (CSDE1), which is highly conserved across species and functions as an RNA-binding protein involved in translationally coupled mRNA turnover. CSDE1 ...
  • A MT-TL1 variant identified by whole exome sequencing in an individual with intellectual disability, epilepsy, and spastic tetraparesis
    de Boer, Elke; Ockeloen, Charlotte W.; Matalonga, Leslie; Horvath, Rita; Solve-RD SNV-indel working group; Rodenburg, Richard J.; Coenen, Marieke J.H.; Janssen, Mirian; Henssen, Dylan; Gilissen, Christian; Steyaert, Wouter; Paramonov, Ida; Solve-RD-DITF-ITHACA; Trimouille, Aurélien; Kleefstra, Tjitske; Verloes, Alain; Vissers, Lisenka E.L.M. (Nature Research, 2021)
    The genetic etiology of intellectual disability remains elusive in almost half of all affected individuals. Within the Solve-RD consortium, systematic re-analysis of whole exome sequencing (WES) data from unresolved cases ...
  • Autosomal recessive variants in TUBGCP2 alter the γ-tubulin ring complex leading to neurodevelopmental disease
    Gungor, Serdal; Aranguren-Ibáñez, Álvaro; Laurie, Steven, 1973-; Beltran, Sergi; Vernos, Isabelle, 1959-; Horvath, Rita (Cell Press, 2020)
    Microtubules help building the cytoskeleton of neurons and other cells. Several components of the gamma-tubulin (γ-tubulin) complex have been previously reported in human neurodevelopmental diseases. We describe two siblings ...
  • Behr syndrome and hypertrophic cardiomyopathy in a family with a novel UCHL1 deletion
    McMacken, Grace M.; Lochmüller, Hanns; Bansagi, Boglarka; Pyle, Angela; Lochmüller, Angela; Chinnery, Patrick F.; Laurie, Steven, 1973-; Beltran, Sergi; Matalonga, Leslie; Horvath, Rita (Springer, 2020)
    Background: Behr syndrome is a clinically distinct, but genetically heterogeneous disorder characterized by optic atrophy, progressive spastic paraparesis, and motor neuropathy often associated with ataxia. The molecular ...
  • COL4A1-related autosomal recessive encephalopathy in 2 Turkish children
    Yaramis, Ahmet; Lochmüller, Hanns; Töpf, Ana; Sonmezler, Ece; Yilmaz, Elmasnur; Hiz, Semra; Yis, Uluc; Gungor, Serdal; Polat, Ayse Ipek; Edem, Pinar; Beltran, Sergi; Laurie, Steven, 1973-; Yaramis, Aysenur; Horvath, Rita; Oktay, Yavuz (Lippincott Williams & Wilkins, 2020)
    OBJECTIVE: This study presents the neurologic phenotypes of 2 brothers with a novel homozygous COL4A1 mutation that was identified in a large Turkish consanguineous cohort of neurogenetic diseases. METHODS: Whole-exome ...
  • High diagnostic rate of trio exome sequencing in consanguineous families with neurogenetic diseases
    Kurul, Semra Hiz; Matalonga, Leslie; Paramonov, Ida; Laurie, Steven, 1973-; Beltran, Sergi; Lochmüller, Hanns; Horvath, Rita (Oxford University Press, 2022)
    Consanguineous marriages have a prevalence rate of 24% in Turkey. These carry an increased risk of autosomal recessive genetic conditions, leading to severe disability or premature death, with a significant health and ...
  • Homozygous WASHC4 variant in two sisters causes a syndromic phenotype defined by dysmorphisms, intellectual disability, profound developmental disorder, and skeletal muscle involvement
    Gangfuß, Andrea; Czech, Artur; Hentschel, Andreas; Münchberg, Ute; Horvath, Rita; Töpf, Ana; O'Heir, Emily; Lochmüller, Hanns; Stehling, Florian; Kiewert, Cordula; Sickmann, Albert; Kuechler, Alma; Kaiser, Frank J.; Kölbel, Heike; Christiansen, Jon; Schara-Schmidt, Ulrike; Roos, Andreas (Wiley, 2022)
    Recessive variants in WASHC4 are linked to intellectual disability complicated by poor language skills, short stature, and dysmorphic features. The protein encoded by WASHC4 is part of the Wiskott-Aldrich syndrome protein ...
  • Improved diagnosis of rare disease patients through systematic detection of runs of homozygosity
    Matalonga, Leslie; Laurie, Steven, 1973-; Papakonstantinou, Anastasios; Piscia, Davide; Mereu, Elisabetta; Bullich, Gemma; Thompson, Rachel; Horvath, Rita; Pérez Jurado, Luis Alberto; Riess, Olaf; Gut, Ivo Glynne; van Ommen, Gert-Jan; Lochmüller, Hanns; Beltran, Sergi; RD–Connect Genome-Phenome Analysis Platform and URD-Cat Data Contributors (Elsevier, 2020)
    Autozygosity is associated with an increased risk of genetic rare disease, thus being a relevant factor for clinical genetic studies. More than 2400 exome sequencing data sets were analyzed and screened for autozygosity ...
  • Metabolic shift underlies recovery in reversible infantile respiratory chain deficiency
    Hathazi, Denisa; Lochmüller, Hanns; Horvath, Rita (EMBO Press, 2020)
    Reversible infantile respiratory chain deficiency (RIRCD) is a rare mitochondrial myopathy leading to severe metabolic disturbances in infants, which recover spontaneously after 6-months of age. RIRCD is associated with ...
  • Modulation of agrin and RhoA pathways ameliorates movement defects and synapse morphology in MYO9A-depleted zebrafish
    O'Connor, Emily; Cairns, George; Spendiff, Sally; Burns, David; Hettwer, Stefan; Mäder, Armin; Müller, Juliane; Horvath, Rita; Slater, Clarke R.; Roos, Andreas; Lochmüller, Hanns (MDPI, 2019)
    Congenital myasthenic syndromes (CMS) are a group of rare, inherited disorders characterised by impaired function of the neuromuscular junction (NMJ). This is due to defects in one of the many proteins associated with the ...
  • Modulation of the acetylcholine receptor clustering pathway improves neuromuscular junction structure and muscle strength in a mouse model of congenital myasthenic syndrome
    Spendiff, Sally; Howarth, Rachel M.; McMacken, Grace M.; Davey, Tracey; Quinlan, Kaitlyn; O'Connor, Emily; Slater, Clarke R.; Hettwer, Stefan; Mäder, Armin; Roos, Andreas; Horvath, Rita; Lochmüller, Hanns (Frontiers Media, 2020)
    Introduction: Congenital myasthenic syndromes (CMS) are a diverse group of inherited neuromuscular disorders characterized by a failure of synaptic transmission at the neuromuscular junction (NMJ). CMS often present early ...
  • Molecular pathophysiology of human MICU1 deficiency
    Kohlschmidt, Nicolai; Elbracht, Miriam; Czech, Artur; Häusler, Martin; Phan, Vietxuan; Töpf, Ana; Huang, Kai-Ting; Bartok, Adam; Eggermann, Katja; Zippel, Stephanie; Eggermann, Thomas; Freier, Erik; Groß, Claudia; Lochmüller, Hanns; Horvath, Rita; Hajnóczky, György; Weis, Joachim; Roos, Andreas (Wiley, 2021)
    Aims: MICU1 encodes the gatekeeper of the mitochondrial Ca2+ uniporter, MICU1 and biallelic loss-of-function mutations cause a complex, neuromuscular disorder in children. Although the role of the protein is well understood, ...
  • Multifocal demyelinating motor neuropathy and hamartoma syndrome associated with a de novo PTEN mutation
    Bansagi, Boglarka; Phan, Vietxuan; Baker, Mark R.; O'Sullivan, Julia; Jennings, Matthew J.; Whittaker, Roger G.; Müller, Juliane; Duff, Jennifer; Griffin, Helen; Miller, James A.L.; Gorman, Grainne S.; Lochmüller, Hanns; Chinnery, Patrick F.; Roos, Andreas; Swan, Laura E.; Horvath, Rita (Wolters Kluwer (LWW), 2018)
    Objective: To describe a patient with a multifocal demyelinating motor neuropathy with onset in childhood and a mutation in phosphatase and tensin homolog (PTEN), a tumor suppressor gene associated with inherited tumor ...
  • Mutations in glycyl-tRNA synthetase impair mitochondrial metabolism in neurons
    Boczonadi, Veronika; Meyer, Kathrin; Gonczarowska-Jorge, Humberto; Griffin, Helen; Roos, Andreas; Bartsakoulia, Marina; Bansagi, Boglarka; Ricci, Giulia; Palinkas, Fanni; Zahedi, René P.; Bruni, Francesco; Kaspar, Brian; Lochmüller, Hanns; Boycott, Kym M.; Müller, Juliane; Horvath, Rita (Oxford University Press, 2018)
    The nuclear-encoded glycyl-tRNA synthetase gene (GARS) is essential for protein translation in both cytoplasm and mitochondria. In contrast, different genes encode the mitochondrial and cytosolic forms of most other tRNA ...
  • Neuromuscular junction changes in a mouse model of charcot-marie-tooth disease type 4C
    Cipriani, Silvia; Phan, Vietxuan; Médard, Jean-Jacques; Horvath, Rita; Lochmüller, Hanns; Chrast, Roman; Roos, Andreas; Spendiff, Sally (MDPI, 2018)
    The neuromuscular junction (NMJ) appears to be a site of pathology in a number of peripheral nerve diseases. Charcot-Marie-Tooth (CMT) 4C is an autosomal recessive, early onset, demyelinating neuropathy. Numerous mutations ...
  • Novel insights into PORCN mutations, associated phenotypes and pathophysiological aspects
    Arlt, Annabelle; Kohlschmidt, Nicolai; Hentschel, Andreas; Bartels, Enrika; Groß, Claudia; Töpf, Ana; Edem, Pinar; Szabo, Nora; Sickmann, Albert; Meyer, Nancy; Schara-Schmidt, Ulrike; Lau, Jarred; Lochmüller, Hanns; Horvath, Rita; Oktay, Yavuz; Roos, Andreas; Hiz, Semra (BioMed Central, 2022)
    Background: Goltz syndrome (GS) is a X-linked disorder defined by defects of mesodermal- and ectodermal-derived structures and caused by PORCN mutations. Features include striated skin-pigmentation, ocular and skeletal ...
  • Salbutamol modifies the neuromuscular junction in a mouse model of ColQ myasthenic syndrome
    McMacken, Grace M.; Spendiff, Sally; Whittaker, Roger G.; O'Connor, Emily; Howarth, Rachel M.; Boczonadi, Veronika; Horvath, Rita; Slater, Clarke R.; Lochmüller, Hanns (Oxford University Press, 2019)
    The β-adrenergic agonists salbutamol and ephedrine have proven to be effective as therapies for human disorders of the neuromuscular junction, in particular many subsets of congenital myasthenic syndromes. However, the ...
  • Severe neurodevelopmental disease caused by a homozygous TLK2 variant
    Topf, Ana; Oktay, Yavuz; Balaraju, Sunitha; Yilmaz, Elmasnur; Sonmezler, Ece; Yis, Uluc; Laurie, Steven, 1973-; Thompson, Rachel; Roos, Andreas; MacArthur, Daniel G.; Yaramis, Ahmet; Güngör, Serdal; Lochmüller, Hanns; Hiz, Semra; Horvath, Rita (Springer, 2020)
    A distinct neurodevelopmental phenotype characterised mainly by mild motor and language delay and facial dysmorphism, caused by heterozygous de novo or dominant variants in the TLK2 gene has recently been described. All ...

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