ClinVar Miner

Submissions for variant NM_001267550.2(TTN):c.37432C>T (p.Pro12478Ser)

gnomAD frequency: 0.00143  dbSNP: rs200992277
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Total submissions: 15
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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 RCV000082395 SCV000055016 uncertain significance not provided 2013-06-24 criteria provided, single submitter research
Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine RCV000040185 SCV000063876 benign not specified 2017-10-23 criteria provided, single submitter clinical testing The p.Pro10574Ser variant has been identified in 2% (101/5052) of South Asian c hromosomes, including 6 homozygotes, by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org). BA1
Invitae RCV001083903 SCV000286617 benign Dilated cardiomyopathy 1G; Autosomal recessive limb-girdle muscular dystrophy type 2J 2024-01-22 criteria provided, single submitter clinical testing
Eurofins Ntd Llc (ga) RCV000040185 SCV000337399 benign not specified 2018-06-14 criteria provided, single submitter clinical testing
GeneDx RCV000082395 SCV000977120 benign not provided 2018-06-18 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.
Center for Advanced Laboratory Medicine, UC San Diego Health, University of California San Diego RCV000852867 SCV000995601 likely benign Primary dilated cardiomyopathy 2017-02-28 criteria provided, single submitter clinical testing
Illumina Laboratory Services, Illumina RCV001133068 SCV001292754 benign Tibial muscular dystrophy 2017-05-25 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign.
Illumina Laboratory Services, Illumina RCV001133069 SCV001292755 uncertain significance Autosomal recessive limb-girdle muscular dystrophy type 2J 2017-05-25 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. However, the evidence from the literature, in combination with allele frequency data from public databases where available, was not sufficient to rule this variant in or out of causing disease. Therefore, this variant is classified as a variant of unknown significance.
Illumina Laboratory Services, Illumina RCV001133070 SCV001292756 benign Myopathy, myofibrillar, 9, with early respiratory failure 2017-05-25 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign.
Illumina Laboratory Services, Illumina RCV001133071 SCV001292757 likely benign Dilated cardiomyopathy 1G 2017-05-25 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign.
Illumina Laboratory Services, Illumina RCV001136516 SCV001296355 likely benign Early-onset myopathy with fatal cardiomyopathy 2017-05-25 criteria provided, single submitter clinical testing This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to determine this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign.
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000040185 SCV004020317 benign not specified 2023-06-01 criteria provided, single submitter clinical testing Variant summary: TTN c.31720C>T (p.Pro10574Ser) results in a non-conservative amino acid change located in the I-band region of the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.0028 in 51728 control chromosomes, predominantly at a frequency of 0.02 within the South Asian subpopulation in the gnomAD database, including 6 homozygotes. The observed variant frequency within South Asian control individuals in the gnomAD database is approximately 31.99 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. c.31720C>T has been reported in the literature in individuals affected with Cardiomyopathy (e.g., Pughes_2014), and at least one case of sudden unexplained death (e.g., Sanchez_2016), however without strong evidence for causality in all cases. These reports therefore do not provide unequivocal conclusions about association of the variant with Cardiomyopathy. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publications have been ascertained in the context of this evaluation (PMID: 24503780, 27930701). Eight ClinVar submitters (evaluation after 2014) have cited the variant with conflicting assessments (benign, n = 5; likely benign, n = 2; VUS, n = 1). Based on the evidence outlined above, the variant was classified as benign.
Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC) RCV000082395 SCV001798144 likely benign not provided no assertion criteria provided clinical testing
Clinical Genetics, Academic Medical Center RCV000040185 SCV001917944 benign not specified no assertion criteria provided clinical testing
Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center RCV000040185 SCV001966539 benign not specified no assertion criteria provided clinical testing

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