Evidence map›Paper›PMID 23975875›Full record

ArticleNeurology2013

Recessive truncating titin gene, TTN, mutations presenting as centronuclear myopathy.

Ozge Ceyhan-Birsoy, Pankaj B Agrawal, Carlos Hidalgo, Klaus Schmitz-Abe, Elizabeth T DeChene, Lindsay C Swanson, Rachel Soemedi, Nasim Vasli, Susan T Iannaccone, Perry B Shieh and 8 more

Open access · bronzeAbstract read
In one paragraph

Article in Neurology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 98 papers.

0numbers the graph read from it
0cells of the map it votes in
98citing papers in PubMed
12.7field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

98 citing papers in PubMed, 216 citations in OpenAlex.

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38 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

18 authors at 8 institutions in 2 countries.

Ozge Ceyhan-BirsoyFrom the Division of Genetics and Program in Genomics, The Manton Center for Orphan Disease Research (O.C.-B., P.B.A., K.S.-A., E.T.D., L.C.S., K.M., A.H.B.), and Division of Newborn Medicine (P.B.A.), Boston Children's Hospital, Harvard Medical School, Boston, MA; Department of Physiology and Sarver Molecular Cardiovascular Research Program (C.H., H.G.), University of Arizona, Tucson; Center for Computational Molecular Biology and Department of Molecular and Cellular Biology and Biochemistry (R.S., W.G.F.), Brown University, Providence, RI; Department of Translational Medicine (N.V., J.L.), IGBMC, INSERM U964, CNRS UMR7104, University of Strasbourg, Illkirch, France; Departments of Pediatrics and Neurology and Neurotherapeutics (S.T.I.), University of Texas Southwestern Medical Center, Dallas; Department of Neurology (P.B.S.), University of California, Los Angeles; Division of Human Genetics (N.S.), Department of Pediatrics, Rhode Island Hospital, Providence; Department of Pediatrics, Division of Pediatric Pathology (J.M.D.), and Department of Pathology and Laboratory Medicine (M.W.L), Medical College of Wisconsin, Milwaukee; Hasbro Children's Hospital (J.M.D.), and Center for Biomedical Engineering (W.G.F.), Brown University, Providence, RI.
Pankaj B Agrawal
Carlos Hidalgo
Klaus Schmitz-Abe
Elizabeth T DeChene
Lindsay C Swanson
Rachel Soemedi
Nasim Vasli
Susan T Iannaccone
Perry B Shieh
Natasha Shur
Jane M Dennison
Michael W Lawlor
Jocelyn Laporte
Kyriacos Markianos
William G Fairbrother
Henk Granzier
Alan H Beggs
University of Arizona · USInserm · FRMedical College of Wisconsin · USUniversité de Strasbourg · FRUniversity of California, Los Angeles · USBrown University · USInstitut de génétique et de biologie moléculaire et cellulaire · FRThe University of Texas Southwestern Medical Center · US

Funding

SYNAPTIC MECHANISMS IN HIPPOCAMPAL EPILEPTOGENESISP30HD018655 · NICHD · CHILDREN'S HOSPITAL BOSTON · PI POMEROY, SCOTT LOREN · 1985 to 2015
$26.2M
SARCOMERIC PROTEINS IN NORMAL AND DISEASED MUSCLER01AR044345 · NIAMS · CHILDREN'S HOSPITAL BOSTON · PI BEGGS, ALAN H. · 1997 to 2017
$5.3M
Center for Cancer Signaling NetworksP30GM103410 · NIGMS · BROWN UNIVERSITY · PI ATWOOD, WALTER J · 2012 to 2015
$4.3M
Mechanisms and efficacy of myostatin inhibition in myotubular myopathyK08AR059750 · NIAMS · MEDICAL COLLEGE OF WISCONSIN · PI LAWLOR, MICHAEL WILLIAM · 2010 to 2014
$641k
NIAMS NIH HHS K08 AR059750NIAMS NIH HHS K08 AR59750NIAMS NIH HHS L40 AR057721NIAMS NIH HHS R01 AR044345NIAMS NIH HHS R01 AR05387NICHD NIH HHS P30 HD018655NIGMS NIH HHS P30 GM103410
6 · The paper itself

Abstract

objectiveTo identify causative genes for centronuclear myopathies (CNM), a heterogeneous group of rare inherited muscle disorders that often present in infancy or early life with weakness and hypotonia, using next-generation sequencing of whole exomes and genomes.

methodsWhole-exome or -genome sequencing was performed in a cohort of 29 unrelated patients with clinicopathologic diagnoses of CNM or related myopathy depleted for cases with mutations of MTM1, DNM2, and BIN1. Immunofluorescence analyses on muscle biopsies, splicing assays, and gel electrophoresis of patient muscle proteins were performed to determine the molecular consequences of mutations of interest.

resultsAutosomal recessive compound heterozygous truncating mutations of the titin gene, TTN, were identified in 5 individuals. Biochemical analyses demonstrated increased titin degradation and truncated titin proteins in patient muscles, establishing the impact of the mutations.

conclusionsOur study identifies truncating TTN mutations as a cause of congenital myopathy that is reported as CNM. Unlike the classic CNM genes that are all involved in excitation-contraction coupling at the triad, TTN encodes the giant sarcomeric protein titin, which forms a myofibrillar backbone for the components of the contractile machinery. This study expands the phenotypic spectrum associated with TTN mutations and indicates that TTN mutation analysis should be considered in cases of possible CNM without mutations in the classic CNM genes.

Indexed as

Adaptor Proteins, Signal TransducingAdolescentAdultChildChild, PreschoolCohort StudiesConnectinDynamin IIFemaleGenes, RecessiveHumansMaleMutationMyopathies, Structural, CongenitalNuclear ProteinsPhenotypeAdaptor Proteins, Signal TransducingBIN1 protein, humanConnectinDynamin IImyotubularinNuclear ProteinsProtein Tyrosine Phosphatases, Non-ReceptorTTN protein, humanTumor Suppressor Proteins

Identifiers

PMID23975875
PMCPMC3795603
OpenAlexW1979114799

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.