chr17-78131402-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_152468.5(TMC8):​c.-187C>T variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0925 in 772,482 control chromosomes in the GnomAD database, including 3,569 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.081 ( 604 hom., cov: 34)
Exomes 𝑓: 0.095 ( 2965 hom. )

Consequence

TMC8
NM_152468.5 5_prime_UTR

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.144
Variant links:
Genes affected
TMC8 (HGNC:20474): (transmembrane channel like 8) Epidermodysplasia verruciformis (EV) is an autosomal recessive dermatosis characterized by abnormal susceptibility to human papillomaviruses (HPVs) and a high rate of progression to squamous cell carcinoma on sun-exposed skin. EV is caused by mutations in either of two adjacent genes located on chromosome 17q25.3. Both of these genes encode integral membrane proteins that localize to the endoplasmic reticulum and are predicted to form transmembrane channels. This gene encodes a transmembrane channel-like protein with 8 predicted transmembrane domains and 3 leucine zipper motifs. [provided by RefSeq, Jul 2008]
TMC6 (HGNC:18021): (transmembrane channel like 6) Epidermodysplasia verruciformis (EV) is an autosomal recessive dermatosis characterized by abnormal susceptibility to human papillomaviruses (HPVs) and a high rate of progression to squamous cell carcinoma on sun-exposed skin. EV is caused by mutations in either of two adjacent genes located on chromosome 17q25.3. Both of these genes encode integral membrane proteins that localize to the endoplasmic reticulum and are predicted to form transmembrane channels. This gene encodes a transmembrane channel-like protein with 10 transmembrane domains and 2 leucine zipper motifs. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.86).
BP6
Variant 17-78131402-C-T is Benign according to our data. Variant chr17-78131402-C-T is described in ClinVar as [Benign]. Clinvar id is 1263402.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.105 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMC8NM_152468.5 linkuse as main transcriptc.-187C>T 5_prime_UTR_variant 2/16 ENST00000318430.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMC8ENST00000318430.10 linkuse as main transcriptc.-187C>T 5_prime_UTR_variant 2/161 NM_152468.5 P2Q8IU68-1

Frequencies

GnomAD3 genomes
AF:
0.0814
AC:
12379
AN:
152138
Hom.:
603
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0381
Gnomad AMI
AF:
0.0351
Gnomad AMR
AF:
0.0787
Gnomad ASJ
AF:
0.107
Gnomad EAS
AF:
0.113
Gnomad SAS
AF:
0.0921
Gnomad FIN
AF:
0.107
Gnomad MID
AF:
0.0506
Gnomad NFE
AF:
0.100
Gnomad OTH
AF:
0.0913
GnomAD4 exome
AF:
0.0953
AC:
59078
AN:
620226
Hom.:
2965
Cov.:
8
AF XY:
0.0952
AC XY:
30727
AN XY:
322906
show subpopulations
Gnomad4 AFR exome
AF:
0.0329
Gnomad4 AMR exome
AF:
0.0695
Gnomad4 ASJ exome
AF:
0.101
Gnomad4 EAS exome
AF:
0.0822
Gnomad4 SAS exome
AF:
0.0914
Gnomad4 FIN exome
AF:
0.108
Gnomad4 NFE exome
AF:
0.0996
Gnomad4 OTH exome
AF:
0.0926
GnomAD4 genome
AF:
0.0813
AC:
12379
AN:
152256
Hom.:
604
Cov.:
34
AF XY:
0.0820
AC XY:
6104
AN XY:
74440
show subpopulations
Gnomad4 AFR
AF:
0.0380
Gnomad4 AMR
AF:
0.0788
Gnomad4 ASJ
AF:
0.107
Gnomad4 EAS
AF:
0.113
Gnomad4 SAS
AF:
0.0921
Gnomad4 FIN
AF:
0.107
Gnomad4 NFE
AF:
0.100
Gnomad4 OTH
AF:
0.0908
Alfa
AF:
0.0866
Hom.:
80
Bravo
AF:
0.0774
Asia WGS
AF:
0.0960
AC:
334
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxJul 09, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.86
CADD
Benign
7.2
DANN
Benign
0.88

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: rs452483; hg19: chr17-76127483; COSMIC: COSV59210781; COSMIC: COSV59210781; API