ClinVar Miner

Submissions for variant NM_001018005.2(TPM1):c.45G>T (p.Lys15Asn) (rs199476301)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine,Partners HealthCare Personalized Medicine RCV000036334 SCV000059986 uncertain significance not specified 2012-08-01 criteria provided, single submitter clinical testing Variant classified as Uncertain Significance - Favor Pathogenic. The Lys15Asn va riant in TPM1 has been reported in 1 individual with DCM, was absent from 492 ra ce-matched control chromosomes (372 Caucasian) and segregated with disease in 2 other affected relatives (Hershberger 2010, Rampersaud 2011). In addition, this variant has been identified in 1 out of >3600 probands (>2200 Caucasian) tested by our laboratory and segregated with disease in 1 affected sibling (LMM unpubli shed data). The Lys15Asn variant has not been identified in large and broad popu lations by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS) ; this low frequency is consistent with a disease causing role but insufficient to establish this with confidence. Computational analyses (biochemical amino aci d properties, conservation, AlignGVGD, PolyPhen2, and SIFT) suggest that the Lys 15Asn variant may impact the protein, though this information is not predictive enough to determine pathogenicity. In summary, the low frequency of this variant and segregation with disease suggest that it may be pathogenic, but additional information is needed to fully assess its clinical significance.
Leiden Muscular Dystrophy (TPM1) RCV000024588 SCV000045897 not provided not provided 2012-04-15 no assertion provided curation

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