10-116125216-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP3BP6

The NM_005264.8(GFRA1):​c.770+5G>T variant causes a splice donor 5th base, intron change. The variant allele was found at a frequency of 0.000304 in 1,612,442 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00017 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00032 ( 0 hom. )

Consequence

GFRA1
NM_005264.8 splice_donor_5th_base, intron

Scores

2
Splicing: ADA: 0.9932
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 5.75
Variant links:
Genes affected
GFRA1 (HGNC:4243): (GDNF family receptor alpha 1) This gene encodes a member of the glial cell line-derived neurotrophic factor receptor (GDNFR) family of proteins. The encoded preproprotein is proteolytically processed to generate the mature receptor. Glial cell line-derived neurotrophic factor (GDNF) and neurturin (NTN) are two structurally related, potent neurotrophic factors that play key roles in the control of neuron survival and differentiation. This receptor is a glycosylphosphatidylinositol (GPI)-linked cell surface receptor for both GDNF and NTN, and mediates activation of the RET tyrosine kinase receptor. This gene is a candidate gene for Hirschsprung disease. Alternative splicing results in multiple transcript variants, at least one of which encodes a preproprotein that is proteolytically processed. [provided by RefSeq, Jan 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. No scorers claiming Uncertain. Scorers claiming Benign: max_spliceai.
BP6
Variant 10-116125216-C-A is Benign according to our data. Variant chr10-116125216-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 3038464.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GFRA1NM_005264.8 linkuse as main transcriptc.770+5G>T splice_donor_5th_base_variant, intron_variant ENST00000355422.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GFRA1ENST00000355422.11 linkuse as main transcriptc.770+5G>T splice_donor_5th_base_variant, intron_variant 5 NM_005264.8 A2P56159-1

Frequencies

GnomAD3 genomes
AF:
0.000171
AC:
26
AN:
152228
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000723
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:
0.000338
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000196
AC:
49
AN:
250460
Hom.:
0
AF XY:
0.000170
AC XY:
23
AN XY:
135464
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000116
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.000390
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000318
AC:
464
AN:
1460214
Hom.:
0
Cov.:
31
AF XY:
0.000310
AC XY:
225
AN XY:
726580
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000374
Gnomad4 NFE exome
AF:
0.000394
Gnomad4 OTH exome
AF:
0.000199
GnomAD4 genome
AF:
0.000171
AC:
26
AN:
152228
Hom.:
0
Cov.:
33
AF XY:
0.0000941
AC XY:
7
AN XY:
74366
show subpopulations
Gnomad4 AFR
AF:
0.0000723
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:
0.000338
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000265
Hom.:
0
Bravo
AF:
0.000227
EpiCase
AF:
0.000327
EpiControl
AF:
0.000237

ClinVar

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

Submissions by phenotype

GFRA1-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMay 23, 2019This variant is classified as likely 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
-0.16
CADD
Benign
17
DANN
Benign
0.97

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
0.99
dbscSNV1_RF
Pathogenic
0.76
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: rs376239327; hg19: chr10-117884727; API