15-99710725-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP3

The NM_001319206.4(MEF2A):c.1101G>C(p.Gln367His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: MEF2A NM_001319206.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 1.12

Genes affected

MEF2A (HGNC:6993): (myocyte enhancer factor 2A) The protein encoded by this gene is a DNA-binding transcription factor that activates many muscle-specific, growth factor-induced, and stress-induced genes. The encoded protein can act as a homodimer or as a heterodimer and is involved in several cellular processes, including muscle development, neuronal differentiation, cell growth control, and apoptosis. Defects in this gene could be a cause of autosomal dominant coronary artery disease 1 with myocardial infarction (ADCAD1). Several transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Jan 2010]

ACMG classification

Verdict is Uncertain_significance. Variant got 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.756

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
MEF2A	NM_001319206.4	c.1101G>C	p.Gln367His	missense_variant	11/12	ENST00000557942.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MEF2A	ENST00000557942.6	c.1101G>C	p.Gln367His	missense_variant	11/12	5	NM_001319206.4

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 10, 2022

The c.1083G>C (p.Q361H) alteration is located in exon 10 (coding exon 8) of the MEF2A gene. This alteration results from a G to C substitution at nucleotide position 1083, causing the glutamine (Q) at amino acid position 361 to be replaced by a histidine (H). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Uncertain	0.14	D
BayesDel_noAF	Uncertain	-0.030
Cadd	Benign	23
Dann	Uncertain	1.0
Eigen	Uncertain	0.33
Eigen_PC	Uncertain	0.30
FATHMM_MKL	Uncertain	0.89	D
LIST_S2	Uncertain	0.91	D;D;D;.;D;D
M_CAP	Benign	0.043	D
MetaRNN	Pathogenic	0.76	D;D;D;D;D;D
MetaSVM	Benign	-0.52	T
MutationTaster	Benign	0.99	D;D;D;D;D;D;D
PrimateAI	Uncertain	0.64	T
PROVEAN	Uncertain	-3.1	D;D;.;D;D;D
REVEL	Uncertain	0.33
Sift	Pathogenic	0.0	D;T;.;D;T;D
Sift4G	Uncertain	0.050	T;D;T;T;D;T
Polyphen		1.0	D;.;D;D;.;D
Vest4		0.74
MVP		0.62
MPC		0.39
ClinPred		0.99	D
GERP RS		2.4
gMVP		0.65

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.0		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr15-100250930;