12-6375519-G-A

Position:

chr12-6375519-G-A

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_001038.6(SCNN1A):c.-69C>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 0.000951 in 1,535,356 control chromosomes in the GnomAD database, including 22 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00062 ( 3 hom., cov: 32)

Exomes 𝑓: 0.00099 ( 19 hom. )

Consequence

SCNN1A
NM_001038.6 5_prime_UTR

Scores

Clinical Significance

Benign/Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: 0.0210

Variant links:

Genes affected

SCNN1A (HGNC:10599): (sodium channel epithelial 1 subunit alpha) Nonvoltage-gated, amiloride-sensitive, sodium channels control fluid and electrolyte transport across epithelia in many organs. These channels are heteromeric complexes consisting of 3 subunits: alpha, beta, and gamma. This gene encodes the alpha subunit, and mutations in this gene have been associated with pseudohypoaldosteronism type 1 (PHA1), a rare salt wasting disease resulting from target organ unresponsiveness to mineralocorticoids. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Apr 2009]

SCNN1A links:

LTBR (HGNC:6718): (lymphotoxin beta receptor) This gene encodes a member of the tumor necrosis factor receptor superfamily. The major ligands of this receptor include lymphotoxin alpha/beta and tumor necrosis factor ligand superfamily member 14. The encoded protein plays a role in signalling during the development of lymphoid and other organs, lipid metabolism, immune response, and programmed cell death. Activity of this receptor has also been linked to carcinogenesis. Alternatively spliced transcript variants encoding multiple isoforms have been observed. [provided by RefSeq, Aug 2012]

LTBR links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.78).

BP6

Variant 12-6375519-G-A is Benign according to our data. Variant chr12-6375519-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 310158.Status of the report is criteria_provided_single_submitter, 1 stars.

BS1

Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000618 (94/152188) while in subpopulation SAS AF= 0.0174 (84/4818). AF 95% confidence interval is 0.0144. There are 3 homozygotes in gnomad4. There are 74 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 3 AD,AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	#exon/exons	MANE	Protein
SCNN1A	NM_001038.6 linkuse as main transcript	c.-69C>T	5_prime_UTR_variant	1/13	ENST00000228916.7	NP_001029.1
LTBR	NM_001270987.2 linkuse as main transcript	c.-37G>A	5_prime_UTR_variant	1/10		NP_001257916.1
LTBR	NM_001414309.1 linkuse as main transcript	c.-37G>A	5_prime_UTR_variant	1/10		NP_001401238.1
SCNN1A	NM_001159575.2 linkuse as main transcript	c.16-682C>T	intron_variant			NP_001153047.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SCNN1A	ENST00000228916.7 linkuse as main transcript	c.-69C>T		5_prime_UTR_variant	1/13	1	NM_001038.6	ENSP00000228916	A2	P37088-1

Frequencies

GnomAD3 genomes

AF:

0.000618

AC:

AN:

152070

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.0174

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.000479

GnomAD3 exomes

AF:

0.00254

AC:

332

AN:

130480

Hom.:

AF XY:

0.00344

AC XY:

245

AN XY:

71222

show subpopulations

Gnomad AFR exome

AF:

0.000165

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0146

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000201

Gnomad OTH exome

AF:

0.000999

GnomAD4 exome

AF:

0.000988

AC:

1366

AN:

1383168

Hom.:

Cov.:

AF XY:

0.00139

AC XY:

950

AN XY:

682470

show subpopulations

Gnomad4 AFR exome

AF:

0.000127

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000280

Gnomad4 SAS exome

AF:

0.0160

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000501

Gnomad4 OTH exome

AF:

0.000691

GnomAD4 genome

AF:

0.000618

AC:

AN:

152188

Hom.:

Cov.:

AF XY:

0.000995

AC XY:

AN XY:

74390

show subpopulations

Gnomad4 AFR

AF:

0.000120

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.0174

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000588

Gnomad4 OTH

AF:

0.000474

Alfa

AF:

0.000171

Hom.:

Bravo

AF:

0.000140

Asia WGS

AF:

0.00751

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Bronchiectasis with or without elevated sweat chloride 2

Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Pseudohypoaldosteronism, type IB1, autosomal recessive

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Jan 13, 2018

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.78

CADD

Benign

DANN

Benign

0.87

Splicing

Name

Calibrated prediction

Score

Prediction

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over