Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6_Very_StrongBP7
The NM_000548.5(TSC2):c.5307C>T(p.His1769His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000347 in 1,612,768 control chromosomes in the GnomAD database, with no homozygous occurrence. There is a variant allele frequency bias in the population database for this variant (GnomAd4), which may indicate mosaicism or somatic mutations in the reference population data. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).
TSC2 (HGNC:12363): (TSC complex subunit 2) This gene is a tumor suppressor gene that encodes the growth inhibitory protein tuberin. Tuberin interacts with hamartin to form the TSC protein complex which functions in the control of cell growth. This TSC protein complex negatively regulates mammalian target of rapamycin complex 1 (mTORC1) signaling which is a major regulator of anabolic cell growth. Mutations in this gene have been associated with tuberous sclerosis and lymphangioleiomyomatosis. [provided by RefSeq, May 2022]
PKD1 (HGNC:9008): (polycystin 1, transient receptor potential channel interacting) This gene encodes a member of the polycystin protein family. The encoded glycoprotein contains a large N-terminal extracellular region, multiple transmembrane domains and a cytoplasmic C-tail. It is an integral membrane protein that functions as a regulator of calcium permeable cation channels and intracellular calcium homoeostasis. It is also involved in cell-cell/matrix interactions and may modulate G-protein-coupled signal-transduction pathways. It plays a role in renal tubular development, and mutations in this gene cause autosomal dominant polycystic kidney disease type 1 (ADPKD1). ADPKD1 is characterized by the growth of fluid-filled cysts that replace normal renal tissue and result in end-stage renal failure. Splice variants encoding different isoforms have been noted for this gene. Also, six pseudogenes, closely linked in a known duplicated region on chromosome 16p, have been described. [provided by RefSeq, Oct 2008]
PKD1 Gene-Disease associations (from GenCC):
autosomal dominant polycystic kidney disease
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
polycystic kidney disease 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Laboratory for Molecular Medicine, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
autosomal recessive polycystic kidney disease
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
Caroli disease
Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
Our verdict: Benign. The variant received -13 ACMG points.
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.7).
BP6
Variant 16-2088493-C-T is Benign according to our data. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr16-2088493-C-T is described in CliVar as Benign/Likely_benign. Clinvar id is 388362.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.323 with no splicing effect.
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000965
AC:
4
AN:
41436
American (AMR)
AF:
0.0000654
AC:
1
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5178
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68032
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.010105), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.392
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Age Distribution
Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000542
Hom.:
0
Bravo
AF:
0.0000302
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593
ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
This variant is considered benign. This variant is a silent/synonymous amino acid change and it is not expected to impact splicing. -
Jan 29, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing
- -
Nov 07, 2021
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing
- -
Tuberous sclerosis syndromeBenign:1
Apr 16, 2024
All of Us Research Program, National Institutes of Health
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing
- -
not providedBenign:1
Feb 21, 2019
GeneDx
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing
- -
Hereditary cancer-predisposing syndromeBenign:1
Jun 09, 2015
Ambry Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing
This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -