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distal Arthrogryposis

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https://www.readbyqxmd.com/read/29314551/a-novel-pathogenic-myh3-mutation-in-a-child-with-sheldon-hall-syndrome-and-vertebral-fusions
#1
Marcello Scala, Andrea Accogli, Elisa De Grandis, Anna Allegri, Christoph P Bagowski, Moneef Shoukier, Mohamad Maghnie, Valeria Capra
Sheldon-Hall syndrome (SHS) is the most common of the distal arthrogryposes (DAs), a group of disorders characterized by congenital non-progressive contractures. Patients with SHS present with contractures of the limbs and a distinctive triangular facies with prominent nasolabial folds. Calcaneovalgus deformity is frequent, as well as camptodactyly and ulnar deviation. Causative mutations in at least four different genes have been reported (MYH3, TNNI2, TPM2, and TNNT3). MYH3 plays a pivotal role in fetal muscle development and mutations in this gene are associated with Freeman-Sheldon syndrome, distal arthrogryposis 8 (DA8), and autosomal dominant spondylocarpotarsal synostosis...
January 5, 2018: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29273277/novel-bicd2-mutation-in-a-japanese-family-with-autosomal-dominant-lower-extremity-predominant-spinal-muscular-atrophy-2
#2
Mieko Yoshioka, Naoya Morisada, Daisaku Toyoshima, Hajime Yoshimura, Hisahide Nishio, Kazumoto Iijima, Yasuhiro Takeshima, Tomoko Uehara, Kenjiro Kosaki
INTRODUCTION: The most common form of spinal muscular atrophy (SMA) is a recessive disorder caused by SMN1 mutations in 5q13, whereas the genetic etiologies of non-5q SMA are very heterogenous and largely remain to be elucidated. We present a father and son with atrophy and weakness of the lower leg muscles since infancy. Genetic studies in this family revealed a novel BICD2 mutation causing autosomal dominant lower extremity-predominant SMA type 2. PATIENTS: The proband was the father, aged 30, and the son was aged 3...
December 19, 2017: Brain & Development
https://www.readbyqxmd.com/read/29216707/-femur-fracture-in-a-patient-with-dog-leg-deformity-secondary-to-arthrogryposis-description-of-a-unique-osteosynthesis-method
#3
I Auñón-Martín, V Jiménez-Díaz, J Zorrilla-Sánchez De Neira, A Capel-Agúndez
The concept of arthrogryposis encompasses several conditions that share the presence of multiple congenital contractures. The knee is frequently involved and is an important cause of morbidity in these patients. Flexion contractures of the knee are the most common ones and have a worse prognosis than extension contractures. Different approaches are available to treat flexion contractures of the knee. Distal femoral extension osteotomy effectively corrects fixed flexion, but may lead to residual deformity. This iatrogenic deformity disrupts the anterior convexity of the femoral shaft and leads to serious problems in the subsequent management of orthopedic conditions...
May 2017: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/29188635/-a-pedigree-with-distal-arthrogryposis
#4
Qian Wang, Xuan Liu, Fengjuan Zhou, Xiaorong Zhao, Wenmei Xie
No abstract text is available yet for this article.
December 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29132416/distinct-functional-consequences-of-ecel1-dine-missense-mutations-in-the-pathogenesis-of-congenital-contracture-disorders
#5
Kenichi Nagata, Mika Takahashi, Sumiko Kiryu-Seo, Hiroshi Kiyama, Takaomi C Saido
Endothelin-converting enzyme-like 1 (ECEL1, also termed DINE in rodents), a membrane-bound metalloprotease, has been identified as a gene responsible for distal arthrogryposis (DA). ECEL1-mutated DA is generally characterized by ocular phenotypes in addition to the congenital limb contractures that are common to all DA subtypes. Until now, the consequences of the identified pathogenic mutations have remained incompletely understood because of a lack of detailed phenotypic analyses in relevant mouse models. In this study, we generated a new knock-in mouse strain that carries an ECEL1/DINE pathogenic G607S missense mutation, based on a previous study reporting atypical DA hindlimb phenotypes in two siblings with the mutation...
November 13, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/29097206/the-reason-for-a-high-ca-2-sensitivity-associated-with-arg91gly-substitution-in-tpm2-gene-is-the-abnormal-behavior-and-high-flexibility-of-tropomyosin-during-the-atpase-cycle
#6
Yurii S Borovikov, Armen O Simonyan, Olga E Karpicheva, Stanislava V Avrova, Nikita A Rysev, Vladimir V Sirenko, Adam Piers, Charles S Redwood
Substitution of Arg for Gly residue in 91th position in β-tropomyosin caused by a point mutation in TPM2 gene is associated with distal arthrogryposis, characterized by a high Ca(2+)-sensitivity of myofilament and contracture syndrome. To understand the mechanisms of this defect, we studied multistep changes in mobility and spatial arrangement of tropomyosin, actin and myosin heads during the ATPase cycle in reconstituted ghost fibres, using the polarized fluorescence microscopy. The mutation was shown to markedly decrease the bending stiffness of β-tropomyosin in the thin filaments...
October 31, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29070483/research-progress-of-myosin-heavy-chain-genes-in-human-genetic-diseases
#7
Yi-Min He, Ming-Min Gu
Myosins constitute a large superfamily proteins, which convert chemical energy, through ATP hydrolysis, to mechanical force for diverse cellular movements, such as cell migration and muscle contraction. The class Ⅱ myosin forms the filaments in muscle and non-muscle cells as a hexameric protein complex, consisting of two myosin heavy chain (MyHC) subunits and two pairs of non-identical light chain subunits. There are several MyHC isoforms encoded by different genes of the MYH family in humans. At present, distinct mutations in different genes of the MYH family are associated with various human genetic diseases...
October 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28815864/interstitial-deletion-5p14-1-p15-2-and-5q14-3-q23-2-in-a-patient-with-clubfoot-blepharophimosis-arthrogryposis-and-multiple-congenital-abnormalities
#8
Burhan Balta, Murat Erdogan, Ayse B Ergul, Yavuz Sahin, Alper Ozcan
Interstitial deletions of the short and long arms of chromosome 5 are rare cytogenetic abnormalities. The 5p distal deletion is a genetic disorder characterized by a high-pitched cat-like cry, microcephaly, epicanthal folds, micrognathia, severe intellectual disability and motor delays. Previously, more than 46 patients with the 5q deletion have been reported. Here, we report de novo interstitial deletions involving 5p14.1-p15.2 and 5q14.3-q23.2 in a patient with multiple congenital abnormalities, including blepharophimosis, arthrogryposis, short neck, round face, pelvic kidney, agenesis of the corpus callosum, and clubfoot...
August 16, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28728825/genetic-diseases-of-piezo1-and-piezo2-dysfunction
#9
S L Alper
Mutations in the genes encoding the mechanosensitive cation channels PIEZO1 and PIEZO2 are responsible for multiple hereditary human diseases. Loss-of-function mutations in the human PIEZO1 gene cause autosomal recessive congenital lymphatic dysplasia. Gain-of-function mutations in the human PIEZO1 gene cause the autosomal dominant hemolytic anemia, hereditary xerocytosis (also known as dehydrated stomatocytosis). Loss-of-function mutations in the human PIEZO2 gene cause an autosomal recessive syndrome of muscular atrophy with perinatal respiratory distress, arthrogryposis, and scoliosis...
2017: Current Topics in Membranes
https://www.readbyqxmd.com/read/28607845/interbrachial-pinch-by-trapezius-transfer-in-amyoplasia-congenita-a-case-report
#10
Alessandro Thione, Pedro C Cavadas, Alberto Perez Espadero, Carlo G Rubi
Amyoplasia congenita, or "classic distal arthrogryposis," is the most common disorder among the congenital, non-progressive, multiple joint contractural conditions named arthrogryposis. The cause remains unknown, and it occurs sporadically. Abnormal neurological examination indicates that movement in utero was diminished as a result of an abnormality of the central or peripheral nervous system, the motor end plate, or muscle. The absence of central neural pathology indicates the origin in akinetic fetal condition...
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28602132/treatment-of-congenital-clasped-thumb-in-arthrogryposis
#11
H Abdel-Ghani, M Mahmoud, A Shaheen, M Abdel-Wahed
We report the result of treatment of 69 complex clasped thumbs in 39 patients with distal arthrogryposis. The mean age at surgery was 30 months. Surgical reconstruction included skin augmentation of the first web using modified dorsal rotation advancement flap (Abdel-Ghani flap), a la Carte release of tight structures of the first web, and chondrodesis of the thumb metacarpophalangeal joint. The mean follow-up was 4 years. We prefer chondrodesis because of the presence of global instability, abnormal joint structure, abnormal articular surfaces, and inefficient muscles for transfer...
October 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28594686/genetics-and-classifications
#12
Judith G Hall, Eva Kimber, Harold J P van Bosse
Arthrogryposis multiplex congenital (AMC) is a descriptive term for a group of conditions that all share the characteristic of congenital contractures. There are an estimated 400 discrete diagnoses that can lead to a child being born with arthrogryposis. The 2 biggest categories of conditions are amyoplasia and distal arthrogryposis, which combined make up ∼50% to 65% of all diagnoses within the AMC subset. Amyoplasia, the most common AMC condition, seems to be a nongenetic syndrome, leading to very characteristic upper and lower limb contractures...
July 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28584669/freeman-sheldon-syndrome-first-molecularly-confirmed-case-from-sub-saharan-africa
#13
A M Ali, R M Mbwasi, G Kinabo, E-J Kamsteeg, B C Hamel, M C J Dekker
We report a case of a male baby who has characteristic signs of Freeman-Sheldon syndrome, a rare but recognizable, severe autosomal dominant form of distal arthrogryposis. Diagnosis was based on the distinctive clinical characteristics of the syndrome and confirmed by genetic analysis that showed a de novo missense mutation c.2015G>A (p.Arg672His) of the MYH3 gene. We highlight the different features present in our patient and describe the etiology of the Freeman-Sheldon phenotype and how its clinical complications can be dealt with...
2017: Case Reports in Genetics
https://www.readbyqxmd.com/read/28389082/distal-humerus-external-rotation-osteotomy-for-hand-position-in-arthrogryposis
#14
Lindley B Wall, Valeri Calhoun, Summer Roberts, Charles A Goldfarb
PURPOSE: In the amyoplasia type of arthrogryposis, a reverse pronated grasp pattern is often seen. We hypothesized that repositioning the hands, through distal humerus external rotation osteotomies (DHO), would allow for palm-to-palm grasp without arm cross-over and would improve function and parent/patient satisfaction. METHODS: The medical records of all patients treated surgically for arthrogryposis were reviewed at the Shriners Hospital for Children, St. Louis, MO...
June 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28328131/recessive-mutations-in-slc35a3-cause-early-onset-epileptic-encephalopathy-with-skeletal-defects
#15
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
#16
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
#17
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
#18
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
#19
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...
April 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/27844033/novel-nalcn-variant-altered-respiratory-and-circadian-rhythm-anesthetic-sensitivity
#20
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
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