Genetic Variant SYNE1:c.16237-3delT (chr6-152319017-TA-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP6

The NM_182961.4(SYNE1):c.16237-3delT variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

SYNE1
NM_182961.4 splice_region, intron

Scores

Not classified

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 0.833

Publications

0 publications found

Variant links:

Genes affected

SYNE1 (HGNC:17089): (spectrin repeat containing nuclear envelope protein 1) This gene encodes a spectrin repeat containing protein expressed in skeletal and smooth muscle, and peripheral blood lymphocytes, that localizes to the nuclear membrane. Mutations in this gene have been associated with autosomal recessive spinocerebellar ataxia 8, also referred to as autosomal recessive cerebellar ataxia type 1 or recessive ataxia of Beauce. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

SYNE1 Gene-Disease associations (from GenCC):

autosomal recessive ataxia, Beauce type
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, G2P, Orphanet, Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)
arthrogryposis multiplex congenita 3, myogenic type
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
Emery-Dreifuss muscular dystrophy 4, autosomal dominant
Inheritance: AD Classification: MODERATE, LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), Illumina
autosomal dominant Emery-Dreifuss muscular dystrophy
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
autosomal recessive myogenic arthrogryposis multiplex congenita
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

SYNE1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP6

Variant 6-152319017-TA-T is Benign according to our data. Variant chr6-152319017-TA-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 288429.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_182961.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SYNE1	NM_182961.4	MANE Select	c.16237-3delT		splice_region intron	N/A	NP_892006.3
	SYNE1	NM_033071.5		c.16024-3delT		splice_region intron	N/A	NP_149062.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein
SYNE1	ENST00000367255.10	TSL:1 MANE Select	c.16237-3delT	splice_region intron	N/A	ENSP00000356224.5
SYNE1	ENST00000423061.6	TSL:1	c.16024-3delT	splice_region intron	N/A	ENSP00000396024.1
SYNE1	ENST00000490135.6	TSL:1	n.3583-3delT	splice_region intron	N/A

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1461694

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727130

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44706

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39692

South Asian (SAS)

AF:

0.00

AC:

AN:

86234

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53346

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111948

Other (OTH)

AF:

0.00

AC:

AN:

60390

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jun 02, 2016

Eurofins Ntd Llc (ga)

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Autosomal recessive ataxia, Beauce type;C2751807:Emery-Dreifuss muscular dystrophy 4, autosomal dominant

Benign:1

Jul 11, 2019

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.83

Splicing

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over