rs12686452
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Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1
The NM_018325.5(C9orf72):c.1091+1543A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.22 in 151,998 control chromosomes in the GnomAD database, including 4,061 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.22 ( 4061 hom., cov: 32)
Consequence
C9orf72
NM_018325.5 intron
NM_018325.5 intron
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: -0.0160
Genes affected
C9orf72 (HGNC:28337): (C9orf72-SMCR8 complex subunit) The protein encoded by this gene plays an important role in the regulation of endosomal trafficking, and has been shown to interact with Rab proteins that are involved in autophagy and endocytic transport. Expansion of a GGGGCC repeat from 2-22 copies to 700-1600 copies in the intronic sequence between alternate 5' exons in transcripts from this gene is associated with 9p-linked ALS (amyotrophic lateral sclerosis) and FTD (frontotemporal dementia) (PMID: 21944778, 21944779). Studies suggest that hexanucleotide expansions could result in the selective stabilization of repeat-containing pre-mRNA, and the accumulation of insoluble dipeptide repeat protein aggregates that could be pathogenic in FTD-ALS patients (PMID: 23393093). Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2016]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.68).
BA1
?
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.293 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
C9orf72 | NM_018325.5 | c.1091+1543A>G | intron_variant | ENST00000380003.8 | |||
C9orf72 | NM_001256054.3 | c.1091+1543A>G | intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
C9orf72 | ENST00000380003.8 | c.1091+1543A>G | intron_variant | 1 | NM_018325.5 | P1 |
Frequencies
GnomAD3 genomes ? AF: 0.220 AC: 33386AN: 151880Hom.: 4053 Cov.: 32
GnomAD3 genomes
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32
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome ? AF: 0.220 AC: 33404AN: 151998Hom.: 4061 Cov.: 32 AF XY: 0.224 AC XY: 16614AN XY: 74280
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16614
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992
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3472
ClinVar
Not reported inComputational scores
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Name
Calibrated prediction
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Prediction
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at