NM_000257.4(MYH7):c.2769C>T (p.Asn923=) AND Cardiomyopathy

Germline classification:: Benign (4 submissions)
Last evaluated:: Dec 15, 2016
Review status:: 3 stars out of maximum of 4 stars
reviewed by expert panel

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:: RCV000758023.15

Allele description [Variation Report for NM_000257.4(MYH7):c.2769C>T (p.Asn923=)]

NM_000257.4(MYH7):c.2769C>T (p.Asn923=)

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.2769C>T (p.Asn923=)

Other names:

p.N923N:AAC>AAT; NM_000257.3(MYH7):c.2769C>T

HGVS:

NC_000014.9:g.23424060G>A
NG_007884.1:g.16602C>T
NM_000257.4:c.2769C>TMANE SELECT
NP_000248.2:p.Asn923=
LRG_384t1:c.2769C>T
LRG_384:g.16602C>T
NC_000014.8:g.23893269G>A
NM_000257.2:c.2769C>T
NM_000257.3:c.2769C>T
c.2769C>T
p.Asn923Asn

Links:

dbSNP: rs36211716

NCBI 1000 Genomes Browser:

rs36211716

Molecular consequence:

NM_000257.4:c.2769C>T - synonymous variant - [Sequence Ontology: SO:0001819]

Observations:

148

Condition(s)

Name:: Cardiomyopathy (CMYO)
Synonyms:: Cardiomyopathies
Identifiers:: MONDO: MONDO:0004994; MedGen: C0878544; Human Phenotype Ontology: HP:0001638

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Spermatogenesis
Spermatogenesis
The process of germ cell development in the male from the primordial germ cells, through SPERMATOGONIA; SPERMATOCYTES; SPERMATIDS; to the mature haploid SPERMATOZOA....<br/>Year introduced: 1973(1971)

MeSH
Matrix Metalloproteinase 9
Matrix Metalloproteinase 9
An endopeptidase that is structurally similar to MATRIX METALLOPROTEINASE 2. It degrades GELATIN types I and V; COLLAGEN TYPE IV; and COLLAGEN TYPE V.<br/>Year introduced: 2007(2000)

MeSH

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000564489	ClinGen Cardiomyopathy Variant Curation Expert Panel	reviewed by expert panel (ClinGen CMP ACMG Specifications v1)	Benign (Dec 15, 2016)	germline	curation	PubMed (1) [See all records that cite this PMID] Citation Link,
SCV000901934	CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario - Canadian Open Genetics Repository	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign (Mar 1, 2017)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000911000	Color Diagnostics, LLC DBA Color Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign (Apr 7, 2018)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV004819132	All of Us Research Program, National Institutes of Health	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign (Feb 5, 2024)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

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Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	148	not provided	not provided	108544	not provided	clinical testing, curation

Citations

PubMed

Adaptation and validation of the ACMG/AMP variant classification framework for MYH7-associated inherited cardiomyopathies: recommendations by ClinGen's Inherited Cardiomyopathy Expert Panel.

Kelly MA, Caleshu C, Morales A, Buchan J, Wolf Z, Harrison SM, Cook S, Dillon MW, Garcia J, Haverfield E, Jongbloed JDH, Macaya D, Manrai A, Orland K, Richard G, Spoonamore K, Thomas M, Thomson K, Vincent LM, Walsh R, Watkins H, Whiffin N, et al.

Genet Med. 2018 Mar;20(3):351-359. doi: 10.1038/gim.2017.218. Epub 2018 Jan 4.

PubMed [citation]

PMID:: 29300372
PMCID:: PMC5876064

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]

PMID:: 25741868
PMCID:: PMC4544753

Details of each submission

From ClinGen Cardiomyopathy Variant Curation Expert Panel, SCV000564489.5

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	curation	PubMed (1)

Description

The filtering allele frequency of the c.2769C>T (p.Asn923=) variant in the MYH7 gene is 0.22% (47/16512) of South Asian chromosomes by the Exome Aggregation Consortium (http://exac.broadinstitute.org), which is a high enough frequency to be classified as benign based on thresholds defined by the ClinGen Inherited Cardiomyopathy Expert Panel (BA1; PMID:29300372).

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario - Canadian Open Genetics Repository, SCV000901934.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Color Diagnostics, LLC DBA Color Health, SCV000911000.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From All of Us Research Program, National Institutes of Health, SCV004819132.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	148	not provided	not provided	clinical testing	PubMed (1)

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	108544	not provided	not provided		148	not provided	not provided	not provided

Last Updated: Nov 3, 2024

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