ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.1079G>C (p.Arg360Thr) (rs56128843)

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Total submissions: 16
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Biesecker Lab/Clinical Genomics Section,National Institutes of Health RCV000039857 SCV000051792 benign not specified 2013-06-24 criteria provided, single submitter research
Laboratory for Molecular Medicine,Partners HealthCare Personalized Medicine RCV000039857 SCV000063548 benign not specified 2012-01-24 criteria provided, single submitter clinical testing
EGL Genetic Diagnostics, Eurofins Clinical Diagnostics RCV000039857 SCV000114321 benign not specified 2013-10-17 criteria provided, single submitter clinical testing
GeneDx RCV000039857 SCV000169237 benign not specified 2014-02-17 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Invitae RCV000228071 SCV000286427 benign Dilated cardiomyopathy 1G; Limb-girdle muscular dystrophy, type 2J 2020-12-03 criteria provided, single submitter clinical testing
Ambry Genetics RCV000252920 SCV000318041 benign Cardiovascular phenotype 2013-07-05 criteria provided, single submitter clinical testing This alteration is classified as benign based on a combination of the following: population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
Illumina Clinical Services Laboratory,Illumina RCV000361570 SCV000425289 likely benign Limb-girdle muscular dystrophy, type 2J 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease.
Illumina Clinical Services Laboratory,Illumina RCV000265017 SCV000425290 benign Myopathy, myofibrillar, 9, with early respiratory failure 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease.
Illumina Clinical Services Laboratory,Illumina RCV000322451 SCV000425291 likely benign Myopathy, early-onset, with fatal cardiomyopathy 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease.
Illumina Clinical Services Laboratory,Illumina RCV000374705 SCV000425292 likely benign Dilated cardiomyopathy 1G 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease.
Illumina Clinical Services Laboratory,Illumina RCV000282608 SCV000425293 benign Tibial muscular dystrophy 2018-01-12 criteria provided, single submitter clinical testing This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease.
CHEO Genetics Diagnostic Laboratory,Children's Hospital of Eastern Ontario RCV000769139 SCV000900513 benign Cardiomyopathy 2017-02-22 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000039857 SCV001361794 benign not specified 2019-10-08 criteria provided, single submitter clinical testing Variant summary: TTN c.1079G>C (p.Arg360Thr) results in a non-conservative amino acid change located in the Z-disk of the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0054 in 251086 control chromosomes, predominantly at a frequency of 0.023 within the South Asian subpopulation in the gnomAD database, including 14 homozygotes. The observed variant frequency within South Asian control individuals in the gnomAD database is approximately 36.79 fold of the estimated maximal expected allele frequency for a pathogenic variant in TTN causing Cardiomyopathy phenotype (0.00063), strongly suggesting that the variant is a benign polymorphism found primarily in populations of South Asian origin. Three clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. All laboratories classified the variant as benign/likely benign. Based on the evidence outlined above, the variant was classified as benign.
ARUP Laboratories, Molecular Genetics and Genomics,ARUP Laboratories RCV001286568 SCV001473162 benign none provided 2020-08-23 criteria provided, single submitter clinical testing
Athena Diagnostics Inc RCV000039857 SCV001474958 benign not specified 2019-09-25 criteria provided, single submitter clinical testing
Genetic Services Laboratory, University of Chicago RCV000039857 SCV000153169 likely benign not specified no assertion criteria provided clinical testing Likely benign based on allele frequency in 1000 Genomes Project or ESP global frequency and its presence in a patient with a rare or unrelated disease phenotype. NOT Sanger confirmed.

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