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GeneBe

11-124919846-AAGG-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 1P and 0B. PM4_Supporting

The NM_001037558.4(HEPN1):c.103_105del(p.Arg35del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00133 in 1,614,136 control chromosomes in the GnomAD database, including 2 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00081 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0014 ( 2 hom. )

Consequence

HEPN1
NM_001037558.4 inframe_deletion

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.31
Variant links:
Genes affected
HEPN1 (HGNC:34400): (hepatocellular carcinoma, down-regulated 1) This gene is expressed predominantly in the liver. Transient transfection studies show the expression of this gene significantly inhibits cell growth, suggesting a role for this gene in apoptosis. Expression of this gene is down-regulated or lost in hepatocellular carcinomas (HCC), suggesting that loss of this gene is involved in carcinogenesis of hepatocytes (PMID:12971969). This gene maps to the 3'-noncoding region of the HEPACAM gene (GeneID:220296) on the antisense strand. [provided by RefSeq, Aug 2020]
HEPACAM (HGNC:26361): (hepatic and glial cell adhesion molecule) The protein encoded by this gene is a single-pass type I membrane protein that localizes to the cytoplasmic side of the cell membrane. The encoded protein acts as a homodimer and is involved in cell motility and cell-matrix interactions. The expression of this gene is downregulated or undetectable in many cancer cell lines, so this may be a tumor suppressor gene. [provided by RefSeq, Jul 2011]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM4
Nonframeshift variant in NON repetitive region in NM_001037558.4. Strenght limited to Supporting due to length of the change: 1aa.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
HEPN1NM_001037558.4 linkuse as main transcriptc.103_105del p.Arg35del inframe_deletion 1/1 ENST00000408930.7
HEPACAMNM_152722.5 linkuse as main transcriptc.*1289_*1291del 3_prime_UTR_variant 7/7 ENST00000298251.5
LOC107984406XR_001748429.3 linkuse as main transcriptn.335-23547_335-23545del intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
HEPN1ENST00000408930.7 linkuse as main transcriptc.103_105del p.Arg35del inframe_deletion 1/1 NM_001037558.4 P1
HEPACAMENST00000298251.5 linkuse as main transcriptc.*1289_*1291del 3_prime_UTR_variant 7/71 NM_152722.5 P1Q14CZ8-1
HEPACAMENST00000703807.1 linkuse as main transcriptc.*1289_*1291del 3_prime_UTR_variant 7/7

Frequencies

GnomAD3 genomes
AF:
0.000815
AC:
124
AN:
152174
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
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:
0.00159
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.000781
AC:
193
AN:
247122
Hom.:
0
AF XY:
0.000812
AC XY:
109
AN XY:
134292
show subpopulations
Gnomad AFR exome
AF:
0.000258
Gnomad AMR exome
AF:
0.000261
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000139
Gnomad NFE exome
AF:
0.00156
Gnomad OTH exome
AF:
0.000662
GnomAD4 exome
AF:
0.00138
AC:
2017
AN:
1461844
Hom.:
2
AF XY:
0.00130
AC XY:
949
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.000179
Gnomad4 AMR exome
AF:
0.000268
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.0000936
Gnomad4 NFE exome
AF:
0.00172
Gnomad4 OTH exome
AF:
0.00137
GnomAD4 genome
AF:
0.000814
AC:
124
AN:
152292
Hom.:
0
Cov.:
32
AF XY:
0.000685
AC XY:
51
AN XY:
74472
show subpopulations
Gnomad4 AFR
AF:
0.000241
Gnomad4 AMR
AF:
0.000261
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00159
Gnomad4 OTH
AF:
0.000945
Alfa
AF:
0.00127
Hom.:
0
Bravo
AF:
0.000816
EpiCase
AF:
0.00191
EpiControl
AF:
0.00130

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Megalencephalic leukoencephalopathy with subcortical cysts Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJun 14, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs527377754; hg19: chr11-124789742; API