14-81143658-C-T

Variant names:

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM1BP4_StrongBP6BS1

The NM_000369.5(TSHR):c.1600C>T(p.Arg534Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000265 in 1,614,106 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0013 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00016 ( 0 hom. )

Consequence

TSHR
NM_000369.5 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:4O:1

Conservation

PhyloP100: 4.86

Variant links:

Genes affected

TSHR (HGNC:12373): (thyroid stimulating hormone receptor) The protein encoded by this gene is a membrane protein and a major controller of thyroid cell metabolism. The encoded protein is a receptor for thyrothropin and thyrostimulin, and its activity is mediated by adenylate cyclase. Defects in this gene are a cause of several types of hyperthyroidism. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2008]

TSHR links:

ENSG00000284959 (HGNC:58172):

ENSG00000284959 links:

LOC101928462 (HGNC:):

LOC101928462 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PM1

In a disulfide_bond (size 75) in uniprot entity TSHR_HUMAN there are 8 pathogenic changes around while only 1 benign (89%) in NM_000369.5

BP4

Computational evidence support a benign effect (MetaRNN=0.0100951195).

BP6

Variant 14-81143658-C-T is Benign according to our data. Variant chr14-81143658-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 135394.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Benign=1, Uncertain_significance=2, not_provided=1}.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00129 (197/152256) while in subpopulation AFR AF= 0.00431 (179/41538). AF 95% confidence interval is 0.00379. There are 0 homozygotes in gnomad4. There are 88 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TSHR	NM_000369.5 link	c.1600C>T	p.Arg534Cys	missense_variant	Exon 10 of 10	ENST00000298171.7	NP_000360.2	P16473A0A0A0MTJ0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TSHR	ENST00000298171.7 link	c.1600C>T	p.Arg534Cys	missense_variant	Exon 10 of 10	1	NM_000369.5	ENSP00000298171.2		A0A0A0MTJ0

Frequencies

GnomAD3 genomes

AF:

0.00128

AC:

194

AN:

152138

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00425

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000103

Gnomad OTH

AF:

0.00144

GnomAD3 exomes

AF:

0.000374

AC:

AN:

251378

Hom.:

AF XY:

0.000302

AC XY:

AN XY:

135874

show subpopulations

Gnomad AFR exome

AF:

0.00443

Gnomad AMR exome

AF:

0.000260

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000131

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000704

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000157

AC:

230

AN:

1461850

Hom.:

Cov.:

AF XY:

0.000129

AC XY:

AN XY:

727222

show subpopulations

Gnomad4 AFR exome

AF:

0.00418

Gnomad4 AMR exome

AF:

0.000268

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.000243

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000261

Gnomad4 OTH exome

AF:

0.000364

GnomAD4 genome

AF:

0.00129

AC:

197

AN:

152256

Hom.:

Cov.:

AF XY:

0.00118

AC XY:

AN XY:

74446

show subpopulations

Gnomad4 AFR

AF:

0.00431

Gnomad4 AMR

AF:

0.000392

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000415

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000103

Gnomad4 OTH

AF:

0.00142

Alfa

AF:

0.000281

Hom.:

Bravo

AF:

0.00142

ESP6500AA

AF:

0.00499

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.000519

AC:

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.0000593

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:4Other:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not specified

Uncertain:1Other:1

Sep 19, 2013

ITMI

Significance: not provided

Review Status: no classification provided

Collection Method: reference population

- -

Jul 24, 2023

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Variant summary: TSHR c.1600C>T (p.Arg534Cys) results in a non-conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.00046 in 282770 control chromosomes (gnomAD), predominantly at a frequency of 0.0042 within the African or African-American subpopulation in the gnomAD database. To our knowledge, no occurrence of c.1600C>T in individuals affected with Hypothyroidism Due To TSH Receptor Mutations and no experimental evidence demonstrating its impact on protein function have been reported. Three ClinVar submitters have assessed the variant since 2014: one classified the variant as uncertain significance, one as likely benign, and one as benign. Based on the evidence outlined above, the variant was classified as uncertain significance. -

not provided

Benign:2

Department of Pathology and Laboratory Medicine, Sinai Health System

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

The TSHR p.R534C variant was not identified in the literature but was identified in dbSNP (ID: rs150602845) and ClinVar (classified as likely benign by Invitae; as benign by Illumina for hyperthyroidism, nonautoimmune; and as uncertain significance by Illumina for hypothyroidism, congenital, nongoitrous, 1). The variant was identified in control databases in 131 of 282770 chromosomes at a frequency of 0.0004633 (Genome Aggregation Database March 6, 2019, v2.1.1). The p.R534 residue is conserved in mammals and computational analyses (MUT Assesor, PolyPhen-2, SIFT, MutationTaster, Revel, FATHMM, MetaLR, DANN) provide inconsistent predictions regarding the impact to the protein; this information is not very predictive of pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (Splice AI exome) do not predict a deleterious effect on splicing. In summary, based on the above information the clinical significance of this variant cannot be determined with certainty at this time although we would lean towards a more benign role for this variant. This variant is classified as likely benign. -

May 20, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Hypothyroidism due to TSH receptor mutations

Uncertain:1

Jan 13, 2018

Illumina Laboratory Services, Illumina

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

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, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

TSHR-related disorder

Benign:1

Apr 13, 2023

PreventionGenetics, part of Exact Sciences

Significance: Likely benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Familial hyperthyroidism due to mutations in TSH receptor

Benign:1

Jan 13, 2018

Illumina Laboratory Services, Illumina

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

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. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.11

CADD

Pathogenic

DANN

Pathogenic

1.0

Eigen

Pathogenic

0.87

Eigen_PC

Pathogenic

0.79

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.94

.;D

M_CAP

Benign

0.063

MetaRNN

Benign

0.010

T;T

MetaSVM

Uncertain

-0.19

PrimateAI

Benign

0.40

PROVEAN

Pathogenic

-5.9

D;D

REVEL

Uncertain

0.37

Sift

Uncertain

0.0010

D;D

Sift4G

Uncertain

0.0020

D;D

Vest4

0.23

MVP

0.91

MPC

0.25

ClinPred

0.051

GERP RS

5.5

gMVP

0.85

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.

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