chr19-18594108-C-A

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_004750.5(CRLF1):​c.1213-1G>T variant causes a splice acceptor, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000381 in 1,576,394 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 27)
Exomes 𝑓: 0.0000028 ( 0 hom. )

Consequence

CRLF1
NM_004750.5 splice_acceptor, intron

Scores

4
1
2
Splicing: ADA: 1.000
1
1

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 1.15
Variant links:
Genes affected
CRLF1 (HGNC:2364): (cytokine receptor like factor 1) This gene encodes a member of the cytokine type I receptor family. The protein forms a secreted complex with cardiotrophin-like cytokine factor 1 and acts on cells expressing ciliary neurotrophic factor receptors. The complex can promote survival of neuronal cells. Mutations in this gene result in Crisponi syndrome and cold-induced sweating syndrome. [provided by RefSeq, Oct 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Splicing +-2 bp (donor or acceptor) variant, LoF is a know mechanism of disease, Cryptic splice site detected, with MaxEntScore 7.6, offset of -5, new splice context is: acctctgccttccttccaAGcac. Cryptic site results in frameshift change. If cryptic site found is not functional and variant results in exon loss, it results in frameshift change.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 19-18594108-C-A is Pathogenic according to our data. Variant chr19-18594108-C-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 3583543.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CRLF1NM_004750.5 linkc.1213-1G>T splice_acceptor_variant, intron_variant ENST00000392386.8 NP_004741.1 O75462

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CRLF1ENST00000392386.8 linkc.1213-1G>T splice_acceptor_variant, intron_variant 1 NM_004750.5 ENSP00000376188.2 O75462
CRLF1ENST00000684169.1 linkc.1217G>T p.Arg406Met missense_variant 8/9 ENSP00000506849.1 A0A804HI12
CRLF1ENST00000596360.1 linkn.27G>T non_coding_transcript_exon_variant 1/22
CRLF1ENST00000594325.1 linkn.189+139G>T intron_variant 3

Frequencies

GnomAD3 genomes
AF:
0.0000133
AC:
2
AN:
150728
Hom.:
0
Cov.:
27
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000132
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000103
AC:
2
AN:
193566
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
104360
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000349
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:
0.0000122
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000281
AC:
4
AN:
1425666
Hom.:
0
Cov.:
41
AF XY:
0.00000283
AC XY:
2
AN XY:
705578
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000254
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:
0.00000274
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000133
AC:
2
AN:
150728
Hom.:
0
Cov.:
27
AF XY:
0.00
AC XY:
0
AN XY:
73542
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000132
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Cold-induced sweating syndrome 1 Pathogenic:1
Likely pathogenic, criteria provided, single submitterclinical testingFulgent Genetics, Fulgent GeneticsJun 12, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.62
D
BayesDel_noAF
Pathogenic
0.18
CADD
Pathogenic
31
DANN
Uncertain
0.99
Eigen
Pathogenic
0.88
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Benign
0.76
D
GERP RS
4.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Benign
0.64
SpliceAI score (max)
0.91
Details are displayed if max score is > 0.2
DS_AL_spliceai
0.91
Position offset: -1

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: rs200867722; hg19: chr19-18704918; API