chr10-102597235-T-TGACGAGGAC

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM2PM4PP3

The NM_016169.4(SUFU):​c.853_861dup​(p.Asp285_Asp287dup) variant causes a inframe insertion change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,613,790 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SUFU
NM_016169.4 inframe_insertion

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 9.60
Variant links:
Genes affected
SUFU (HGNC:16466): (SUFU negative regulator of hedgehog signaling) The Hedgehog signaling pathway plays an important role in early human development. The pathway is a signaling cascade that plays a role in pattern formation and cellular proliferation during development. This gene encodes a negative regulator of the hedgehog signaling pathway. Defects in this gene are a cause of medulloblastoma. Alternative splicing results in multiple transcript variants.[provided by RefSeq, May 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM4
Nonframeshift variant in NON repetitive region in NM_016169.4.
PP3
No computational evidence supports a deleterious effect, but strongly conserved according to phyloP

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SUFUNM_016169.4 linkuse as main transcriptc.853_861dup p.Asp285_Asp287dup inframe_insertion 7/12 ENST00000369902.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SUFUENST00000369902.8 linkuse as main transcriptc.853_861dup p.Asp285_Asp287dup inframe_insertion 7/121 NM_016169.4 P1Q9UMX1-1
SUFUENST00000369899.6 linkuse as main transcriptc.853_861dup p.Asp285_Asp287dup inframe_insertion 7/111 Q9UMX1-2
SUFUENST00000423559.2 linkuse as main transcriptc.853_861dup p.Asp285_Asp287dup inframe_insertion 7/101 Q9UMX1-3
SUFUENST00000471000.1 linkuse as main transcriptn.635_643dup non_coding_transcript_exon_variant 5/65

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151954
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461836
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
727220
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151954
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74216
show subpopulations
Gnomad4 AFR
AF:
0.0000242
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Gorlin syndrome;C0025149:Medulloblastoma Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingInvitaeFeb 25, 2021In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Experimental studies and prediction algorithms are not available for this variant, and the functional significance of the duplicated amino acids is currently unknown. This variant has not been reported in the literature in individuals with SUFU-related disease. This variant is not present in population databases (ExAC no frequency). This variant, c.853_861dupGACGAGGAC, results in the insertion of 3 amino acids to the SUFU protein (p.Asp285_Asp287dup), but otherwise preserves the integrity of the reading frame. -
not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGeneDxSep 30, 2022Not observed at significant frequency in large population cohorts (gnomAD); In-frame insertion of 3 amino acids in a non-repeat region; In silico analysis supports that this variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge; This variant is associated with the following publications: (PMID: 24311597) -
Familial meningioma Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingBaylor GeneticsJul 25, 2023- -
Hereditary cancer-predisposing syndrome Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 09, 2019The c.853_861dupGACGAGGAC variant (also known as p.D285_D287dup), located in coding exon 7 of the SUFU gene, results from an in-frame duplication of GACGAGGAC at nucleotide positions 853 to 861. This results in the duplication of 3 extra residues (DED) between codons 285 and 287. This amino acid region is well conserved in available vertebrate species. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

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: rs1363458155; hg19: chr10-104356992; API