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rs374359365

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 2P and 12B. PM2BP4_StrongBP6_Very_Strong

The NM_001330.5(CTF1):c.144+7G>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0002 in 1,507,428 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 Likely benign (★★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00021 ( 0 hom. )

Consequence

CTF1
NM_001330.5 splice_region, intron

Scores

2
Splicing: ADA: 0.003689
2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.00500
Variant links:
Genes affected
CTF1 (HGNC:2499): (cardiotrophin 1) The protein encoded by this gene is a secreted cytokine that induces cardiac myocyte hypertrophy in vitro. It has been shown to bind and activate the ILST/gp130 receoptor. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.76).
BP6
Variant 16-30899540-G-T is Benign according to our data. Variant chr16-30899540-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 44173.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CTF1NM_001330.5 linkuse as main transcriptc.144+7G>T splice_region_variant, intron_variant ENST00000279804.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CTF1ENST00000279804.3 linkuse as main transcriptc.144+7G>T splice_region_variant, intron_variant 1 NM_001330.5 P3Q16619-1
CTF1ENST00000395019.3 linkuse as main transcriptc.141+7G>T splice_region_variant, intron_variant 1 A1Q16619-2

Frequencies

GnomAD3 genomes
AF:
0.0000921
AC:
14
AN:
152058
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000176
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000921
AC:
22
AN:
238882
Hom.:
0
AF XY:
0.0000693
AC XY:
9
AN XY:
129790
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000198
Gnomad OTH exome
AF:
0.000172
GnomAD4 exome
AF:
0.000212
AC:
287
AN:
1355370
Hom.:
0
Cov.:
21
AF XY:
0.000210
AC XY:
142
AN XY:
675868
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000120
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000270
Gnomad4 OTH exome
AF:
0.000194
GnomAD4 genome
AF:
0.0000921
AC:
14
AN:
152058
Hom.:
0
Cov.:
31
AF XY:
0.0000673
AC XY:
5
AN XY:
74272
show subpopulations
Gnomad4 AFR
AF:
0.0000483
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000176
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000263
Hom.:
0

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineAug 30, 2012144+7G>T in intron 2 of CTF1: This variant is not expected to have clinical sign ificance because it is not located within the splice consensus sequence. It has been identified in 1/8600 European American chromosomes from a broad population by the NHLBI Exome Sequencing Project (http://evs.gs.washington.edu/EVS). 144+7 G>T in intron 2 of CTF1 (allele frequency = 1/8600) ** -
Dilated Cardiomyopathy, Dominant Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeApr 22, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.76
Cadd
Benign
8.6
Dann
Benign
0.79

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.0037
dbscSNV1_RF
Benign
0.10
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

LitVar

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

Other links and lift over

dbSNP: rs374359365; hg19: chr16-30910861; API