NM_000388.4(CASR):c.2282T>C (p.Ile761Thr) AND multiple conditions

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: Sep 10, 2023
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV003812508.3

Allele description [Variation Report for NM_000388.4(CASR):c.2282T>C (p.Ile761Thr)]

NM_000388.4(CASR):c.2282T>C (p.Ile761Thr)

Gene:

CASR:calcium sensing receptor [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

3q21.1

Genomic location:

Preferred name:

NM_000388.4(CASR):c.2282T>C (p.Ile761Thr)

HGVS:

NC_000003.12:g.122284236T>C
NG_009058.2:g.105569T>C
NM_000388.4:c.2282T>CMANE SELECT
NM_001178065.2:c.2312T>C
NP_000379.3:p.Ile761Thr
NP_001171536.2:p.Ile771Thr
NC_000003.11:g.122003083T>C

Protein change:

I761T

Molecular consequence:

NM_000388.4:c.2282T>C - missense variant - [Sequence Ontology: SO:0001583]
NM_001178065.2:c.2312T>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Familial hypocalciuric hypercalcemia (FHH)
Synonyms:: Familial benign hypercalcemia
Identifiers:: MONDO: MONDO:0018458; MedGen: C1809471; OMIM: PS145980

Name:: Autosomal dominant hypocalcemia 1 (HYPOC1)
Synonyms:: HYPOCALCEMIA, FAMILIAL
Identifiers:: MONDO: MONDO:0011013; MedGen: C0342345; OMIM: 601198

Recent activity

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Mus musculus t-complex-associated testis expressed 2, mRNA (cDNA clone IMAGE:670...
Mus musculus t-complex-associated testis expressed 2, mRNA (cDNA clone IMAGE:6707299), partial cds
gi|29436611|gb|BC049646.1|

Nucleotide
LOC116019157 [Ipomoea triloba]
LOC116019157 [Ipomoea triloba]
Gene ID:116019157

Gene

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV004608153	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Sep 10, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV004608153

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Sep 10, 2023)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV004608153.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬†is likely to be tolerated. This variant has not been reported in the literature in individuals affected with CASR-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces isoleucine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 761 of the CASR protein (p.Ile761Thr).

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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