chr15-99675391-G-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_StrongBP6BS2_Supporting

The NM_001319206.4(MEF2A):​c.611-8G>A variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000603 in 1,613,472 control chromosomes in the GnomAD database, including 12 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: 𝑓 0.00041 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00062 ( 11 hom. )

Consequence

MEF2A
NM_001319206.4 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0003403
2

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: -1.40
Variant links:
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 15-99675391-G-A is Benign according to our data. Variant chr15-99675391-G-A is described in ClinVar as [Benign]. Clinvar id is 3041576.Status of the report is no_assertion_criteria_provided, 0 stars.
BS2
High AC in GnomAd4 at 63 AD gene. Variant has AC lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MEF2ANM_001319206.4 linkuse as main transcriptc.611-8G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000557942.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MEF2AENST00000557942.6 linkuse as main transcriptc.611-8G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 5 NM_001319206.4 Q02078-2

Frequencies

GnomAD3 genomes
AF:
0.000421
AC:
64
AN:
152128
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.000865
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.0118
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00123
AC:
306
AN:
249288
Hom.:
1
AF XY:
0.00152
AC XY:
205
AN XY:
135234
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.000497
Gnomad EAS exome
AF:
0.000167
Gnomad SAS exome
AF:
0.00961
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000885
Gnomad OTH exome
AF:
0.000330
GnomAD4 exome
AF:
0.000623
AC:
910
AN:
1461226
Hom.:
11
Cov.:
30
AF XY:
0.000885
AC XY:
643
AN XY:
726936
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.000306
Gnomad4 EAS exome
AF:
0.000126
Gnomad4 SAS exome
AF:
0.00975
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000990
Gnomad4 OTH exome
AF:
0.000696
GnomAD4 genome
AF:
0.000414
AC:
63
AN:
152246
Hom.:
1
Cov.:
32
AF XY:
0.000591
AC XY:
44
AN XY:
74442
show subpopulations
Gnomad4 AFR
AF:
0.0000482
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.000865
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.0116
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000893
Hom.:
0
Bravo
AF:
0.0000793
Asia WGS
AF:
0.00491
AC:
17
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

MEF2A-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMay 14, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
1.4
DANN
Benign
0.32

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00034
dbscSNV1_RF
Benign
0.026
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs530865200; hg19: chr15-100215596; API