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Spectrum of CLCN1 Mutations in Patients with Myotonia Congenita in Northern Scandinavia
European Journal of Human Genetics (2001) 9, 903 ± 909 ã 2001 Nature Publishing Group All rights reserved 1018-4813/01 $15.00 www.nature.com/ejhg ARTICLE Spectrum of CLCN1 mutations in patients with myotonia congenita in Northern Scandinavia Chen Sun*,1, Lisbeth Tranebjñrg*,1, Torberg Torbergsen2,GoÈsta Holmgren3 and Marijke Van Ghelue1,4 1Department of Medical Genetics, University Hospital of Tromsù, Tromsù, Norway; 2Department of Neurology, University Hospital of Tromsù, Tromsù, Norway; 3Department of Clinical Genetics, University Hospital of UmeaÊ, UmeaÊ,Sweden;4Department of Biochemistry, Section Molecular Biology, University of Tromsù, Tromsù, Norway Myotonia congenita is a non-dystrophic muscle disorder affecting the excitability of the skeletal muscle membrane. It can be inherited either as an autosomal dominant (Thomsen's myotonia) or an autosomal recessive (Becker's myotonia) trait. Both types are characterised by myotonia (muscle stiffness) and muscular hypertrophy, and are caused by mutations in the muscle chloride channel gene, CLCN1. At least 50 different CLCN1 mutations have been described worldwide, but in many studies only about half of the patients showed mutations in CLCN1. Limitations in the mutation detection methods and genetic heterogeneity might be explanations. In the current study, we sequenced the entire CLCN1 gene in 15 Northern Norwegian and three Northern Swedish MC families. Our data show a high prevalence of myotonia congenita in Northern Norway similar to Northern Finland, but with a much higher degree of mutation heterogeneity. In total, eight different mutations and three polymorphisms (T87T, D718D, and P727L) were detected. Three mutations (F287S, A331T, and 2284+5C4T) were novel while the others (IVS1+3A4T, 979G4A, F413C, A531V, and R894X) have been reported previously. -
Targeted Genes and Methodology Details for Neuromuscular Genetic Panels
Targeted Genes and Methodology Details for Neuromuscular Genetic Panels Reference transcripts based on build GRCh37 (hg19) interrogated by Neuromuscular Genetic Panels Next-generation sequencing (NGS) and/or Sanger sequencing is performed Motor Neuron Disease Panel to test for the presence of a mutation in these genes. Gene GenBank Accession Number Regions of homology, high GC-rich content, and repetitive sequences may ALS2 NM_020919 not provide accurate sequence. Therefore, all reported alterations detected ANG NM_001145 by NGS are confirmed by an independent reference method based on laboratory developed criteria. However, this does not rule out the possibility CHMP2B NM_014043 of a false-negative result in these regions. ERBB4 NM_005235 Sanger sequencing is used to confirm alterations detected by NGS when FIG4 NM_014845 appropriate.(Unpublished Mayo method) FUS NM_004960 HNRNPA1 NM_031157 OPTN NM_021980 PFN1 NM_005022 SETX NM_015046 SIGMAR1 NM_005866 SOD1 NM_000454 SQSTM1 NM_003900 TARDBP NM_007375 UBQLN2 NM_013444 VAPB NM_004738 VCP NM_007126 ©2018 Mayo Foundation for Medical Education and Research Page 1 of 14 MC4091-83rev1018 Muscular Dystrophy Panel Muscular Dystrophy Panel Gene GenBank Accession Number Gene GenBank Accession Number ACTA1 NM_001100 LMNA NM_170707 ANO5 NM_213599 LPIN1 NM_145693 B3GALNT2 NM_152490 MATR3 NM_199189 B4GAT1 NM_006876 MYH2 NM_017534 BAG3 NM_004281 MYH7 NM_000257 BIN1 NM_139343 MYOT NM_006790 BVES NM_007073 NEB NM_004543 CAPN3 NM_000070 PLEC NM_000445 CAV3 NM_033337 POMGNT1 NM_017739 CAVIN1 NM_012232 POMGNT2 -
Regulation of Cdc42 and Its Effectors in Epithelial Morphogenesis Franck Pichaud1,2,*, Rhian F
© 2019. Published by The Company of Biologists Ltd | Journal of Cell Science (2019) 132, jcs217869. doi:10.1242/jcs.217869 REVIEW SUBJECT COLLECTION: ADHESION Regulation of Cdc42 and its effectors in epithelial morphogenesis Franck Pichaud1,2,*, Rhian F. Walther1 and Francisca Nunes de Almeida1 ABSTRACT An overview of Cdc42 Cdc42 – a member of the small Rho GTPase family – regulates cell Cdc42 was discovered in yeast and belongs to a large family of small – polarity across organisms from yeast to humans. It is an essential (20 30 kDa) GTP-binding proteins (Adams et al., 1990; Johnson regulator of polarized morphogenesis in epithelial cells, through and Pringle, 1990). It is part of the Ras-homologous Rho subfamily coordination of apical membrane morphogenesis, lumen formation and of GTPases, of which there are 20 members in humans, including junction maturation. In parallel, work in yeast and Caenorhabditis elegans the RhoA and Rac GTPases, (Hall, 2012). Rho, Rac and Cdc42 has provided important clues as to how this molecular switch can homologues are found in all eukaryotes, except for plants, which do generate and regulate polarity through localized activation or inhibition, not have a clear homologue for Cdc42. Together, the function of and cytoskeleton regulation. Recent studies have revealed how Rho GTPases influences most, if not all, cellular processes. important and complex these regulations can be during epithelial In the early 1990s, seminal work from Alan Hall and his morphogenesis. This complexity is mirrored by the fact that Cdc42 can collaborators identified Rho, Rac and Cdc42 as main regulators of exert its function through many effector proteins. -
Molecular Profile of Tumor-Specific CD8+ T Cell Hypofunction in a Transplantable Murine Cancer Model
Downloaded from http://www.jimmunol.org/ by guest on September 25, 2021 T + is online at: average * The Journal of Immunology , 34 of which you can access for free at: 2016; 197:1477-1488; Prepublished online 1 July from submission to initial decision 4 weeks from acceptance to publication 2016; doi: 10.4049/jimmunol.1600589 http://www.jimmunol.org/content/197/4/1477 Molecular Profile of Tumor-Specific CD8 Cell Hypofunction in a Transplantable Murine Cancer Model Katherine A. Waugh, Sonia M. Leach, Brandon L. Moore, Tullia C. Bruno, Jonathan D. Buhrman and Jill E. Slansky J Immunol cites 95 articles Submit online. Every submission reviewed by practicing scientists ? is published twice each month by Receive free email-alerts when new articles cite this article. Sign up at: http://jimmunol.org/alerts http://jimmunol.org/subscription Submit copyright permission requests at: http://www.aai.org/About/Publications/JI/copyright.html http://www.jimmunol.org/content/suppl/2016/07/01/jimmunol.160058 9.DCSupplemental This article http://www.jimmunol.org/content/197/4/1477.full#ref-list-1 Information about subscribing to The JI No Triage! Fast Publication! Rapid Reviews! 30 days* Why • • • Material References Permissions Email Alerts Subscription Supplementary The Journal of Immunology The American Association of Immunologists, Inc., 1451 Rockville Pike, Suite 650, Rockville, MD 20852 Copyright © 2016 by The American Association of Immunologists, Inc. All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. This information is current as of September 25, 2021. The Journal of Immunology Molecular Profile of Tumor-Specific CD8+ T Cell Hypofunction in a Transplantable Murine Cancer Model Katherine A. -
A Computational Approach for Defining a Signature of Β-Cell Golgi Stress in Diabetes Mellitus
Page 1 of 781 Diabetes A Computational Approach for Defining a Signature of β-Cell Golgi Stress in Diabetes Mellitus Robert N. Bone1,6,7, Olufunmilola Oyebamiji2, Sayali Talware2, Sharmila Selvaraj2, Preethi Krishnan3,6, Farooq Syed1,6,7, Huanmei Wu2, Carmella Evans-Molina 1,3,4,5,6,7,8* Departments of 1Pediatrics, 3Medicine, 4Anatomy, Cell Biology & Physiology, 5Biochemistry & Molecular Biology, the 6Center for Diabetes & Metabolic Diseases, and the 7Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; 2Department of BioHealth Informatics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202; 8Roudebush VA Medical Center, Indianapolis, IN 46202. *Corresponding Author(s): Carmella Evans-Molina, MD, PhD ([email protected]) Indiana University School of Medicine, 635 Barnhill Drive, MS 2031A, Indianapolis, IN 46202, Telephone: (317) 274-4145, Fax (317) 274-4107 Running Title: Golgi Stress Response in Diabetes Word Count: 4358 Number of Figures: 6 Keywords: Golgi apparatus stress, Islets, β cell, Type 1 diabetes, Type 2 diabetes 1 Diabetes Publish Ahead of Print, published online August 20, 2020 Diabetes Page 2 of 781 ABSTRACT The Golgi apparatus (GA) is an important site of insulin processing and granule maturation, but whether GA organelle dysfunction and GA stress are present in the diabetic β-cell has not been tested. We utilized an informatics-based approach to develop a transcriptional signature of β-cell GA stress using existing RNA sequencing and microarray datasets generated using human islets from donors with diabetes and islets where type 1(T1D) and type 2 diabetes (T2D) had been modeled ex vivo. To narrow our results to GA-specific genes, we applied a filter set of 1,030 genes accepted as GA associated. -
Related Malignant Phenotypes in the Nf1-Deficient MPNST
Published OnlineFirst February 19, 2013; DOI: 10.1158/1541-7786.MCR-12-0593 Molecular Cancer Genomics Research RAS/MEK–Independent Gene Expression Reveals BMP2- Related Malignant Phenotypes in the Nf1-Deficient MPNST Daochun Sun1, Ramsi Haddad2,3, Janice M. Kraniak2, Steven D. Horne1, and Michael A. Tainsky1,2 Abstract Malignant peripheral nerve sheath tumor (MPNST) is a type of soft tissue sarcoma that occurs in carriers of germline mutations in Nf1 gene as well as sporadically. Neurofibromin, encoded by the Nf1 gene, functions as a GTPase-activating protein (GAP) whose mutation leads to activation of wt-RAS and mitogen-activated protein kinase (MAPK) signaling in neurofibromatosis type I (NF1) patients' tumors. However, therapeutic targeting of RAS and MAPK have had limited success in this disease. In this study, we modulated NRAS, mitogen-activated protein/extracellular signal–regulated kinase (MEK)1/2, and neurofibromin levels in MPNST cells and determined gene expression changes to evaluate the regulation of signaling pathways in MPNST cells. Gene expression changes due to neurofibromin modulation but independent of NRAS and MEK1/2 regulation in MPNST cells indicated bone morphogenetic protein 2 (Bmp2) signaling as a key pathway. The BMP2-SMAD1/5/8 pathway was activated in NF1-associated MPNST cells and inhibition of BMP2 signaling by LDN-193189 or short hairpin RNA (shRNA) to BMP2 decreased the motility and invasion of NF1-associated MPNST cells. The pathway-specific gene changes provide a greater understanding of the complex role of neurofibromin in MPNST pathology and novel targets for drug discovery. Mol Cancer Res; 11(6); 616–27. -
Emerging Roles for Multifunctional Ion Channel Auxiliary Subunits in Cancer T ⁎ Alexander S
Cell Calcium 80 (2019) 125–140 Contents lists available at ScienceDirect Cell Calcium journal homepage: www.elsevier.com/locate/ceca Emerging roles for multifunctional ion channel auxiliary subunits in cancer T ⁎ Alexander S. Hawortha,b, William J. Brackenburya,b, a Department of Biology, University of York, Heslington, York, YO10 5DD, UK b York Biomedical Research Institute, University of York, Heslington, York, YO10 5DD, UK ARTICLE INFO ABSTRACT Keywords: Several superfamilies of plasma membrane channels which regulate transmembrane ion flux have also been Auxiliary subunit shown to regulate a multitude of cellular processes, including proliferation and migration. Ion channels are Cancer typically multimeric complexes consisting of conducting subunits and auxiliary, non-conducting subunits. Calcium channel Auxiliary subunits modulate the function of conducting subunits and have putative non-conducting roles, further Chloride channel expanding the repertoire of cellular processes governed by ion channel complexes to processes such as trans- Potassium channel cellular adhesion and gene transcription. Given this expansive influence of ion channels on cellular behaviour it Sodium channel is perhaps no surprise that aberrant ion channel expression is a common occurrence in cancer. This review will − focus on the conducting and non-conducting roles of the auxiliary subunits of various Ca2+,K+,Na+ and Cl channels and the burgeoning evidence linking such auxiliary subunits to cancer. Several subunits are upregu- lated (e.g. Cavβ,Cavγ) and downregulated (e.g. Kvβ) in cancer, while other subunits have been functionally implicated as oncogenes (e.g. Navβ1,Cavα2δ1) and tumour suppressor genes (e.g. CLCA2, KCNE2, BKγ1) based on in vivo studies. The strengthening link between ion channel auxiliary subunits and cancer has exposed these subunits as potential biomarkers and therapeutic targets. -
Variants in the KCNE1 Or KCNE3 Gene and Risk of Ménière’S Disease: a Meta-Analysis
Journal of Vestibular Research 25 (2015) 211–218 211 DOI 10.3233/VES-160569 IOS Press Variants in the KCNE1 or KCNE3 gene and risk of Ménière’s disease: A meta-analysis Yuan-Jun Li, Zhan-Guo Jin and Xian-Rong Xu∗ The Center of Clinical Aviation Medicine, General Hospital of Air Force, Beijing, China Received 1 August 2015 Accepted 8 December 2015 Abstract. BACKGROUND: Ménière’s disease (MD) is defined as an idiopathic disorder of the inner ear characterized by the triad of tinnitus, vertigo, and sensorineural hearing loss. Although many studies have evaluated the association between variants in the KCNE1 or KCNE3 gene and MD risk, debates still exist. OBJECTIVE: Our aim is to evaluate the association between KCNE gene variants, including KCNE1 rs1805127 and KCNE3 rs2270676, and the risk of MD by a systematic review. METHODS: We searched the literature in PubMed, SCOPUS and EMBASE through May 2015. We calculated pooled odds ra- tios (OR) and 95% confidence intervals (CIs) using a fixed-effects model or a random-effects model for the risk to MD associated with different KCNE gene variants. The heterogeneity assumption decided the effect model. RESULTS: A total of three relevant studies, with 302 MD cases and 515 controls, were included in this meta-analysis. The results indicated that neither the KCNE1 rs1805127 variant (for G vs. A: OR = 0.724, 95%CI 0.320, 1.638, P = 0.438), nor the KCNE3 rs2270676 variant (for T vs. C: OR = 0.714, 95%CI 0.327, 1.559, P = 0.398) was associated with MD risk. -
Ligand-Gated Ion Channels' British Journal of Pharmacology, Vol
Edinburgh Research Explorer The Concise Guide to PHARMACOLOGY 2015/16 Citation for published version: Alexander, SP, Peters, JA, Kelly, E, Marrion, N, Benson, HE, Faccenda, E, Pawson, AJ, Sharman, JL, Southan, C, Davies, JA & CGTP Collaborators 2015, 'The Concise Guide to PHARMACOLOGY 2015/16: Ligand-gated ion channels' British Journal of Pharmacology, vol. 172, no. 24, pp. 5870-5903. DOI: 10.1111/bph.13350 Digital Object Identifier (DOI): 10.1111/bph.13350 Link: Link to publication record in Edinburgh Research Explorer Document Version: Publisher's PDF, also known as Version of record Published In: British Journal of Pharmacology General rights Copyright for the publications made accessible via the Edinburgh Research Explorer is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. Take down policy The University of Edinburgh has made every reasonable effort to ensure that Edinburgh Research Explorer content complies with UK legislation. If you believe that the public display of this file breaches copyright please contact [email protected] providing details, and we will remove access to the work immediately and investigate your claim. Download date: 05. Apr. 2019 S.P.H. Alexander et al. The Concise Guide to PHARMACOLOGY 2015/16: Ligand-gated ion channels. British Journal of Pharmacology (2015) 172, 5870–5903 THE CONCISE GUIDE TO PHARMACOLOGY 2015/16: Ligand-gated ion channels Stephen PH Alexander1, -
A New Model for X-Linked Tremor/Ataxia
© 2016. Published by The Company of Biologists Ltd | Disease Models & Mechanisms (2016) 9, 553-562 doi:10.1242/dmm.022848 RESEARCH ARTICLE Spontaneous shaker rat mutant – a new model for X-linked tremor/ ataxia Karla P. Figueroa1, Sharan Paul1, Tito Calì2, Raffaele Lopreiato2, Sukanya Karan1, Martina Frizzarin2, Darren Ames3, Ginevra Zanni4, Marisa Brini5, Warunee Dansithong1, Brett Milash3, Daniel R. Scoles1, Ernesto Carafoli6 and Stefan M. Pulst1,* ABSTRACT mode of inheritance. Here, we describe the genetic analysis of the The shaker rat is an X-linked recessive spontaneous model of shaker rat, a model of Purkinje cell (PC) degeneration. This mutant progressive Purkinje cell (PC) degeneration exhibiting a shaking arose spontaneously and was observed in Sprague Dawley (SD) ataxia and wide stance. Generation of Wistar Furth (WF)/Brown outbred stock in 1991 at Saint Louis University, first described by Norwegian (BN) F1 hybrids and genetic mapping of F2 sib-sib La Regina et al. (1992), and the phenotype of whole-body tremor, ‘ ’ offspring using polymorphic markers narrowed the candidate gene ataxia and wide stance designated as shaker . The shaker trait was region to 26 Mbp denoted by the last recombinant genetic marker reported as an X-linked recessive trait. DXRat21 at 133 Mbp to qter (the end of the long arm). In the WF Various animal models of spontaneously occurring mutants that background, the shaker mutation has complete penetrance, results in parallel some aspects of human hereditary ataxia have been a stereotypic phenotype and there is a narrow window for age of reported; for example, weaver, lurcher, stumbler, tottering and disease onset; by contrast, the F2 hybrid phenotype was more varied, teetering mice (Chou et al., 1991; Frankel et al., 1994; Green and with a later age of onset and likely non-penetrance of the mutation. -
Somatic and Inherited Mutations in Primary Aldosteronism
59 1 F L FERNANDES-ROSA, S BOULKROUN Genetic basis of 59: 1 R47–R63 Review and others primary aldosteronism Somatic and inherited mutations in primary aldosteronism Fabio Luiz Fernandes-Rosa1,2,3,*, Sheerazed Boulkroun1,2,* and Maria-Christina Zennaro1,2,3 Correspondence should be addressed 1 INSERM, UMRS_970, Paris Cardiovascular Research Center, Paris, France to F L Fernandes-Rosa or 2 University Paris Descartes, Sorbonne Paris Cité, Paris, France S Boulkroun 3 Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Service de Génétique, Email Paris, France fabio.fernandes-rosa@ *(F L Fernandes-Rosa and S Boulkroun contributed equally to this work) inserm.fr or sheerazed. [email protected] Abstract Primary aldosteronism (PA), the most common form of secondary hypertension, is caused Key Words in the majority of cases by unilateral aldosterone-producing adenoma (APA) or bilateral f primary aldosteronism adrenal hyperplasia. Over the past few years, somatic mutations in KCNJ5, CACNA1D, f aldosterone-producing ATP1A1 and ATP2B3 have been proven to be associated with APA development, adenoma representing more than 50% of sporadic APA. The identification of these mutations has f familial allowed the development of a model for APA involving modification on the intracellular hyperaldosteronism ionic equilibrium and regulation of cell membrane potential, leading to autonomous f somatic mutations aldosterone overproduction. Furthermore, somatic CTNNB1 mutations have also been f germline mutations identified in APA, but the link between these mutations and APA development remains f potassium channels unknown. The sequence of events responsible for APA formation is not completely f calcium channels understood, in particular, whether a single hit or a double hit is responsible for both f ATPase Journal of Molecular Endocrinology aldosterone overproduction and cell proliferation. -
Mouse Anti-Human GRID2 Monoclonal Antibody, Clone 2B2 (CABT-B10363) This Product Is for Research Use Only and Is Not Intended for Diagnostic Use
Mouse anti-Human GRID2 monoclonal antibody, clone 2B2 (CABT-B10363) This product is for research use only and is not intended for diagnostic use. PRODUCT INFORMATION Immunogen GRID2 (NP_001501, 908 a.a. ~ 1008 a.a) partial recombinant protein with GST tag. MW of the GST tag alone is 26 KDa. Isotype IgG1 Source/Host Mouse Species Reactivity Human Clone 2B2 Conjugate Unconjugated Applications WB,sELISA,ELISA Sequence Similarities DTLPTRQALEQISDFRNTHITTTTFIPEQIQTLSRTLSAKAASGFTFGNVPEHRTGPFRHRAPNGG FFRSPIKTMSSIPYQPTPTLGLNLGNDPDRGTSI* Format Liquid Size 100 μg Buffer In 1x PBS, pH 7.2 Storage Store at -20°C or lower. Aliquot to avoid repeated freezing and thawing. BACKGROUND Introduction The protein encoded by this gene is a member of the family of ionotropic glutamate receptors which are the predominant excitatory neurotransmitter receptors in the mammalian brain. The encoded protein is a multi-pass membrane protein that is expressed selectively in cerebellar Purkinje cells. A point mutation in the mouse ortholog, associated with the phenotype named lurcher, in the heterozygous state leads to ataxia resulting from selective, cell-autonomous apoptosis of cerebellar Purkinje cells during postnatal development. Mice homozygous for this mutation die shortly after birth from massive loss of mid- and hindbrain neurons during late 45-1 Ramsey Road, Shirley, NY 11967, USA Email: [email protected] Tel: 1-631-624-4882 Fax: 1-631-938-8221 1 © Creative Diagnostics All Rights Reserved embryogenesis. This protein also plays a role in synapse