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distal Arthrogryposis

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https://www.readbyqxmd.com/read/28328131/recessive-mutations-in-slc35a3-cause-early-onset-epileptic-encephalopathy-with-skeletal-defects
#1
Carla Marini, Katia Hardies, Tiziana Pisano, Patrick May, Sarah Weckhuysen, Elena Cellini, Arvid Suls, Davide Mei, Rudi Balling, Peter D Jonghe, Ingo Helbig, Domenico Garozzo, Renzo Guerrini
We describe the clinical and whole genome sequencing (WGS) study of a non-consanguineous Italian family in which two siblings, a boy and a girl, manifesting a severe epileptic encephalopathy (EE) with skeletal abnormalities, carried novel SLC35A3 compound heterozygous mutations. Both siblings exhibited infantile spasms, associated with focal, and tonic vibratory seizures from early infancy. EEG recordings showed a suppression-burst (SB) pattern and multifocal paroxysmal activity in both. In addition both had quadriplegia, acquired microcephaly, and severe intellectual disability...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28328129/the-phenotypic-spectrum-of-congenital-zika-syndrome
#2
Miguel Del Campo, Ian M L Feitosa, Erlane M Ribeiro, Dafne D G Horovitz, André L S Pessoa, Giovanny V A França, Alfredo García-Alix, Maria J R Doriqui, Hector Y C Wanderley, Maria V T Sanseverino, João I C F Neri, João M Pina-Neto, Emerson S Santos, Islane Verçosa, Mirlene C S P Cernach, Paula F V Medeiros, Saile C Kerbage, André A Silva, Vanessa van der Linden, Celina M T Martelli, Marli T Cordeiro, Rafael Dhalia, Fernanda S L Vianna, Cesar G Victora, Denise P Cavalcanti, Lavinia Schuler-Faccini
In October 2015, Zika virus (ZIKV) outbreak the Brazilian Ministry of Health (MoH). In response, the Brazilian Society of Medical Genetics established a task force (SBGM-ZETF) to study the phenotype of infants born with microcephaly due to ZIKV congenital infection and delineate the phenotypic spectrum of this newly recognized teratogen. This study was based on the clinical evaluation and neuroimaging of 83 infants born during the period from July, 2015 to March, 2016 and registered by the SBGM-ZETF. All 83 infants had significant findings on neuroimaging consistent with ZIKV congenital infection and 12 had confirmed ZIKV IgM in CSF...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28264711/findings-phenotypes-and-outcomes-in-freeman-sheldon-and-sheldon-hall-syndromes-and-distal-arthrogryposis-types-1-and-3-protocol-for-systematic-review-and-patient-level-data-meta-analysis
#3
Mikaela I Poling, José Andrés Morales Corado, Robert L Chamberlain
BACKGROUND: Freeman-Sheldon and Sheldon-Hall syndromes (FSS and SHS) and distal arthrogryposis types 1 and 3 (DA1 and DA3) are rare, often confused, congenital syndromes. Few studies exist. With reported diagnosis unreliable, it would be scientifically inappropriate to consider articles describing FSS, SHS, DA1, or DA3, unless diagnoses were independently verified, rendering conventional systematic review and meta-analysis methodology inappropriate and necessitating patient-level data analysis (PROSPERO: CRD42015024740)...
March 6, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28099287/anesthetic-outcomes-of-children-with-arthrogryposis-syndromes-no-evidence-of-hyperthermia
#4
Stephen J Gleich, Michael Tien, Darrell R Schroeder, Andrew C Hanson, Randall Flick, Michael E Nemergut
BACKGROUND: Arthrogryposis syndromes are a heterogeneous group of disorders characterized by congenital joint contractures often requiring multiple surgeries during childhood to address skeletal and visceral abnormalities. Previous reports suggest that these children have increased perioperative risk, including hypermetabolic events discrete from malignant hyperthermia, difficult airway management, isolated hyperthermia, and difficult IV line placement. We sought to compare children with arthrogryposis multiplex congenita (AMC) versus the less severe, distal arthrogryposis syndromes (DAS) and to evaluate possible intraoperative hyperthermia of patients with AMC...
March 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27974811/recessive-piezo2-stop-mutation-causes-distal-arthrogryposis-with-distal-muscle-weakness-scoliosis-and-proprioception-defects
#5
Goknur Haliloglu, Kerstin Becker, Cagri Temucin, Beril Talim, Nalan Küçükşahin, Matthias Pergande, Susanne Motameny, Peter Nürnberg, Ustun Aydingoz, Haluk Topaloglu, Sebahattin Cirak
The genetic work-up of arthrogryposis is challenging due to the diverse clinical and molecular etiologies. We report a-18(3/12)-year-old boy, from a 2nd degree consanguineous family, who presented at 3(6/12) years with hypotonia, distal laxity, contractures, feeding difficulties at birth. He required surgery for progressive scoliosis at 16 years of age, and walked independently since then with an unstable gait and coordination defects. His latest examination at 18 years of age revealed a proprioceptive defect and loss-of-joint position sense in the upper limbs...
December 15, 2016: Journal of Human Genetics
https://www.readbyqxmd.com/read/27844033/novel-nalcn-variant-altered-respiratory-and-circadian-rhythm-anesthetic-sensitivity
#6
Bernarda Lozic, Stefan Johansson, Sanja Lovric Kojundzic, Josko Markic, Per Morten Knappskog, Angelika F Hahn, Helge Boman
The sodium leak channel, a Na(+)-permeable, nonselective cation channel, is widely expressed in the nervous system, contributing a basal Na(+)-leak conductance and regulating neuronal excitability. A 3-year-old girl, heterozygous for a de novo missense mutation in NALCN (c.956C>T; p.Ala319Val) predicted to be deleterious, presented from birth with: stimulus-induced, episodic contractures of the limbs and face with associated respiratory distress; distal arthrogryposis; severe axial hypotonia; and severe global developmental delay (CLIFAHDD syndrome)...
November 2016: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/27843126/biallelic-loss-of-proprioception-related-piezo2-causes-muscular-atrophy-with-perinatal-respiratory-distress-arthrogryposis-and-scoliosis
#7
Andrea Delle Vedove, Markus Storbeck, Raoul Heller, Irmgard Hölker, Malavika Hebbar, Anju Shukla, Olafur Magnusson, Sebahattin Cirak, Katta M Girisha, Mary O'Driscoll, Bart Loeys, Brunhilde Wirth
We report ten individuals of four independent consanguineous families from Turkey, India, Libya, and Pakistan with a variable clinical phenotype that comprises arthrogryposis, spontaneously resolving respiratory insufficiency at birth, muscular atrophy predominantly of the distal lower limbs, scoliosis, and mild distal sensory involvement. Using whole-exome sequencing, SNPchip-based linkage analysis, DNA microarray, and Sanger sequencing, we identified three independent homozygous frameshift mutations and a homozygous deletion of two exons in PIEZO2 that segregated in all affected individuals of the respective family...
November 3, 2016: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27790376/distal-arthrogryposis-with-variable-clinical-expression-caused-by-tnni2-mutation
#8
Vida Čulić, Noriko Miyake, Sunčana Janković, Davor Petrović, Marko Šimunović, Tomislav Đapić, Masaaki Shiina, Kazuhiro Ogata, Naomichi Matsumoto
Distal arthrogryposis (DA) is a clinically and genetically heterogeneous disorder with multiple joint contractures. We describe a female DA patient with hand and foot deformities, and right-sided torticollis. Using exome sequencing, we identified a novel TNNI2 mutation (c.485>A, p.Arg162Lys) in the patient and her father. The father has no typical DA but hip dysplasia. This may explain the clinical features of DA2B in this family, but with variable clinical expression.
2016: Human Genome Variation
https://www.readbyqxmd.com/read/27782104/homozygous-syne1-mutation-causes-congenital-onset-of-muscular-weakness-with-distal-arthrogryposis-a-genotype-phenotype-correlation
#9
Matthias Baumann, Elisabeth Steichen-Gersdorf, Birgit Krabichler, Britt-Sabina Petersen, Ulrike Weber, Wolfgang M Schmidt, Johannes Zschocke, Thomas Müller, Reginald E Bittner, Andreas R Janecke
The exceptionally large SYNE1 (spectrin repeat-containing nuclear envelope protein 1) gene encodes different nesprin-1 isoforms, which are differentially expressed in striated muscle and in cerebellar and cerebral neurons. Nesprin-1 isoforms can function in cytoskeletal, nuclear, and vesicle anchoring. SYNE1 variants have been associated with a spectrum of neurological and neuromuscular disease. Homozygosity mapping combined with exome sequencing identified a disease-causing nonsense mutation in the ultimate exon of full-length SYNE1 transcript in an 8-year-old boy with distal arthrogryposis and muscular hypotonia...
February 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27726070/a-novel-tpm2-gene-splice-site-mutation-causes-severe-congenital-myopathy-with-arthrogryposis-and-dysmorphic-features
#10
Magdalena Mroczek, Dagmara Kabzińska, Krystyna H Chrzanowska, Maciej Pronicki, Andrzej Kochański
To date, only two splice-site mutations within the TPM2 gene have been shown to be causative for congenital myopathies. While the majority of TPM2 gene mutations are causative for nemaline myopathy, cap disease or distal arthrogryposis, some mutations in this gene have been found to be associated with non-specific congenital myopathy. We report on a patient with such an unspecified congenital myopathy associated with distinctive facial dysmorphic features and distal arthrogryposis. Using the whole exome sequencing (WES) approach we were able to identify a novel heterozygous splice-site mutation within the TPM2 gene, showing the utility of WES in molecular diagnostics of congenital myopathies without recognizable morphological hallmarks...
October 10, 2016: Journal of Applied Genetics
https://www.readbyqxmd.com/read/27714920/familial-gordon-syndrome-associated-with-a-piezo2-mutation
#11
Franz Alisch, Alexander Weichert, Karim Kalache, Viola Paradiso, Ann Carolin Longardt, Christof Dame, Katrin Hoffmann, Denise Horn
Gordon syndrome or distal arthrogryposis type 3 is a rare autosomal dominant disorder characterized by contractures of upper and lower limbs. It is distinguishable from other forms of distal arthrogryposis by cleft palate and short stature. Recently, Gordon syndrome has been associated to heterozygous mutations in the piezo-type mechanosensitive ion channel component 2 gene (PIEZO2). Different mutations of this gene also cause distal arthrogryposis type 5 and Marden-Walker syndrome. Dysfunction of this ion channel provides pleiotropic effects on joints, ocular muscles, and bone development...
January 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27683561/mybpc1-an-emerging-myopathic-gene-what-we-know-and-what-we-need-to-learn
#12
REVIEW
Janelle Geist, Aikaterini Kontrogianni-Konstantopoulos
Myosin Binding Protein-C (MyBP-C) comprises a family of accessory proteins that includes the cardiac, slow skeletal, and fast skeletal isoforms. The three isoforms share structural and sequence homology, and localize at the C-zone of the sarcomeric A-band where they interact with thick and thin filaments to regulate the cycling of actomyosin crossbridges. The cardiac isoform, encoded by MYBPC3, has been extensively studied over the last several decades due to its high mutational rate in congenital hypertrophic and dilated cardiomyopathy...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27677018/arthrogryposis-multiplex-congenita-in-an-adult-patient-cohort-what-are-the-limitations-in-activities-in-daily-life
#13
Shenhao Dai, Marie Jaeger, Pierre Simon Jouk, Dominic Pérennou, Klaus Dieterich
OBJECTIVE: Arthrogryposis multiplex congenita (AMC) is a clinical diagnosis characterized by the presence of at least two joint contractures at birth. Causes of AMC are numerous involving CNS, neuromuscular system, connective and bone tissue. This study is the first to describe disability patterns of a cohort of adults with AMC. MATERIALS/PATIENTS AND METHODS: Thirty-nine patients (age 33.8±11.5 years; 23 females) underwent between 2010 and 2016 a 4 day evaluation in the PMR ward during the multidisciplinary consultations for AMC at the Reference Centre of Congenital Anomalies in Grenoble: 25 with amyoplasia, 8 with distal arthrogryposis (DA), and 6 with other atypical diseases...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27607563/loss-of-the-proprioception-and-touch-sensation-channel-piezo2-in-siblings-with-a-progressive-form-of-contractures
#14
A A Mahmud, N A Nahid, C Nassif, M S B Sayeed, M U Ahmed, M Parveen, M I Khalil, M M Islam, Z Nahar, F Rypens, F F Hamdan, G A Rouleau, A Hasnat, J L Michaud
Dominant mutations in PIEZO2, which codes for the principal mechanotransduction channel for proprioception and touch sensation, have been found to cause different forms of distal arthrogryposis. Some observations suggest that these dominant mutations induce a gain-of-function effect on the channel. Here, we report a consanguineous family with three siblings who showed short stature, scoliosis, gross motor impairment, and a progressive form of contractures involving the distal joints that is distinct from that found in patients with dominant mutations in PIEZO2...
March 2017: Clinical Genetics
https://www.readbyqxmd.com/read/27570397/spinal-muscular-atrophy-with-respiratory-distress-syndrome-smard1-case-report-and-review-of-literature
#15
Lokesh Lingappa, Nikit Shah, Ananth Sagar Motepalli, Farhan Shaik
Spinal muscular atrophy with respiratory distress syndrome (SMARD1) is a rare cause of early infantile respiratory failure and death. No cases have been currently described from India. Two low-birth-weight infants presented prior to 6 months of age with recurrent apnea and respiratory distress. Both required prolonged ventilation, and had distal arthrogryposis and diaphragmatic eventration. Nerve conduction study revealed motor sensory axonopathy. Genetic testing confirmed mutations in immunoglobulin mu binding protein (IGHMBP2)...
July 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27569547/impaired-presynaptic-high-affinity-choline-transporter-causes-a-congenital-myasthenic-syndrome-with-episodic-apnea
#16
Stéphanie Bauché, Seana O'Regan, Yoshiteru Azuma, Fanny Laffargue, Grace McMacken, Damien Sternberg, Guy Brochier, Céline Buon, Nassima Bouzidi, Ana Topf, Emmanuelle Lacène, Ganaelle Remerand, Anne-Marie Beaufrere, Céline Pebrel-Richard, Julien Thevenon, Salima El Chehadeh-Djebbar, Laurence Faivre, Yannis Duffourd, Federica Ricci, Tiziana Mongini, Chiara Fiorillo, Guja Astrea, Carmen Magdalena Burloiu, Niculina Butoianu, Carmen Sandu, Laurent Servais, Gisèle Bonne, Isabelle Nelson, Isabelle Desguerre, Marie-Christine Nougues, Benoit Bœuf, Norma Romero, Jocelyn Laporte, Anne Boland, Doris Lechner, Jean-François Deleuze, Bertrand Fontaine, Laure Strochlic, Hanns Lochmuller, Bruno Eymard, Michèle Mayer, Sophie Nicole
The neuromuscular junction (NMJ) is one of the best-studied cholinergic synapses. Inherited defects of peripheral neurotransmission result in congenital myasthenic syndromes (CMSs), a clinically and genetically heterogeneous group of rare diseases with fluctuating fatigable muscle weakness as the clinical hallmark. Whole-exome sequencing and Sanger sequencing in six unrelated families identified compound heterozygous and homozygous mutations in SLC5A7 encoding the presynaptic sodium-dependent high-affinity choline transporter 1 (CHT), which is known to be mutated in one dominant form of distal motor neuronopathy (DHMN7A)...
September 1, 2016: American Journal of Human Genetics
https://www.readbyqxmd.com/read/27542115/review-of-the-recurrent-8q13-2q13-3-branchio-oto-renal-related-microdeletion-and-report-of-an-additional-case-with-associated-distal-arthrogryposis
#17
Ping-Yee Billie Au, Judy E Chernos, Mary Ann Thomas
Recurrent 2.65 Mb deletions of 8q13.2q13.3 encompassing EYA1 have been recently described in the literature as a cause of branchio-oto-renal syndrome (BOR). Other clinical features of this recurrent microdeletion syndrome are still being delineated. We describe an additional patient with BOR due to microdeletion of 8q13.2q13.3. In addition to BOR related features, our patient presented with distal arthrogryposis that was detected prenatally, a phenotype that has not previously been described in patients with this deletion...
November 2016: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/27473021/muscle-biopsy-findings-in-a-child-with-nalcn-gene-mutation
#18
Indu Sivaraman, Neil R Friedman, Richard A Prayson
Mutation in NALCN (Sodium leak channel, non-selective) gene in humans has been shown to present with a wide spectrum of clinical manifestations including neurodevelopmental impairment, hypotonia and congenital contractures. Distinctive features including episodic ataxia and neuroaxonal dystrophy have also been reported. In this case report, we describe the muscle biopsy findings of a 3-year-old boy who presented with congenital arthrogryposis, hypotonia and developmental delay who has a heterozygous de novo C...
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27381093/protein-altering-myh3-variants-are-associated-with-a-spectrum-of-phenotypes-extending-to-spondylocarpotarsal-synostosis-syndrome
#19
Raphael Carapito, Alice Goldenberg, Nicodème Paul, Angélique Pichot, Albert David, Antoine Hamel, Clémentine Dumant-Forest, Julien Leroux, Benjamin Ory, Bertrand Isidor, Seiamak Bahram
Spondylocarpotarsal synostosis syndrome (SCT) is a rare Mendelian disorder (OMIM #272460) characterized by prenatal vertebral fusion, scoliosis, short stature and carpal and tarsal synostosis. SCT is typically known as an autosomal recessive disease caused by variants in the FLNB gene. The genetic basis of the rarer cases of vertical transmissions remains unknown. In two independent families with symptoms related to autosomal dominant SCT, we identified - by exome sequencing - two protein-altering variants in the embryonic myosin heavy chain 3 (MYH3) gene...
December 2016: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/27214504/novel-mutations-in-the-nonselective-sodium-leak-channel-nalcn-lead-to-distal-arthrogryposis-with-increased-muscle-tone
#20
Mert Karakaya, Raoul Heller, Volkmar Kunde, Klaus-Peter Zimmer, Cho-Ming Chao, Peter Nürnberg, Sebahattin Cirak
Distal arthrogryposis (DA) is a feature in genetically and clinically heterogeneous groups of disorders. Mostly myopathic and neurogenic defects have been described, but many patients remain without genetic diagnosis. We are elaborating on the clinical presentation of neonatal cases with DA who carry novel mutations in the nonselective sodium leak channel (NALCN). Two patients reported herein were remarkable for central hypertonicity in addition to DA. By trio-whole exome sequencing, two undescribed de novo mutations in NALCN were revealed...
August 2016: Neuropediatrics
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