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NM_000257.4(MYH7):c.3209A>T (p.Glu1070Val) AND Hypertrophic cardiomyopathy

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Oct 3, 2021
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV000628979.5

Allele description [Variation Report for NM_000257.4(MYH7):c.3209A>T (p.Glu1070Val)]

NM_000257.4(MYH7):c.3209A>T (p.Glu1070Val)

Gene:
MYH7:myosin heavy chain 7 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
14q11.2
Genomic location:
Preferred name:
NM_000257.4(MYH7):c.3209A>T (p.Glu1070Val)
HGVS:
  • NC_000014.9:g.23422216T>A
  • NG_007884.1:g.18446A>T
  • NM_000257.4:c.3209A>TMANE SELECT
  • NP_000248.2:p.Glu1070Val
  • LRG_384:g.18446A>T
  • NC_000014.8:g.23891425T>A
  • NM_000257.3:c.3209A>T
Protein change:
E1070V
Links:
dbSNP: rs1555337294
NCBI 1000 Genomes Browser:
rs1555337294
Molecular consequence:
  • NM_000257.4:c.3209A>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Hypertrophic cardiomyopathy
Synonyms:
HYPERTROPHIC MYOCARDIOPATHY
Identifiers:
MONDO: MONDO:0005045; MeSH: D002312; MedGen: C0007194; Human Phenotype Ontology: HP:0001639

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV000749889Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Uncertain significance
(Oct 3, 2021) 		germlineclinical testing

PubMed (2)
[See all records that cite these PMIDs]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Development and validation of a computational method for assessment of missense variants in hypertrophic cardiomyopathy.

Jordan DM, Kiezun A, Baxter SM, Agarwala V, Green RC, Murray MF, Pugh T, Lebo MS, Rehm HL, Funke BH, Sunyaev SR.

Am J Hum Genet. 2011 Feb 11;88(2):183-92. doi: 10.1016/j.ajhg.2011.01.011.

PubMed [citation]
PMID:
21310275
PMCID:
PMC3035712

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]
PMID:
28492532
PMCID:
PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000749889.4

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (2)

Description

This variant has not been reported in the literature in individuals affected with MYH7-related conditions. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. An algorithm developed specifically for the MYH7 gene suggests that this missense change is likely to be deleterious (PMID: 21310275). This variant is not present in population databases (ExAC no frequency). This sequence change replaces glutamic acid with valine at codon 1070 of the MYH7 protein (p.Glu1070Val). The glutamic acid residue is highly conserved and there is a moderate physicochemical difference between glutamic acid and valine.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Sep 29, 2024