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NM_000527.5(LDLR):c.666C>T (p.Cys222=) AND Cardiovascular phenotype

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Oct 27, 2022
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:
RCV002367701.2

Allele description [Variation Report for NM_000527.5(LDLR):c.666C>T (p.Cys222=)]

NM_000527.5(LDLR):c.666C>T (p.Cys222=)

Gene:
LDLR:low density lipoprotein receptor [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
19p13.2
Genomic location:
Preferred name:
NM_000527.5(LDLR):c.666C>T (p.Cys222=)
Other names:
NM_000527.5(LDLR):c.666C>T; p.Cys222=
HGVS:
  • NC_000019.10:g.11105572C>T
  • NG_009060.1:g.21192C>T
  • NM_000527.5:c.666C>TMANE SELECT
  • NM_001195798.2:c.666C>T
  • NM_001195799.2:c.543C>T
  • NM_001195800.2:c.314-1820C>T
  • NM_001195803.2:c.314-993C>T
  • NP_000518.1:p.Cys222=
  • NP_000518.1:p.Cys222=
  • NP_001182727.1:p.Cys222=
  • NP_001182728.1:p.Cys181=
  • LRG_274t1:c.666C>T
  • LRG_274:g.21192C>T
  • LRG_274p1:p.Cys222=
  • NC_000019.9:g.11216248C>T
  • NC_000019.9:g.11216248C>T
  • NM_000527.4:c.666C>T
Links:
dbSNP: rs756613387
NCBI 1000 Genomes Browser:
rs756613387
Molecular consequence:
  • NM_001195800.2:c.314-1820C>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001195803.2:c.314-993C>T - intron variant - [Sequence Ontology: SO:0001627]
  • NM_000527.5:c.666C>T - synonymous variant - [Sequence Ontology: SO:0001819]
  • NM_001195798.2:c.666C>T - synonymous variant - [Sequence Ontology: SO:0001819]
  • NM_001195799.2:c.543C>T - synonymous variant - [Sequence Ontology: SO:0001819]

Condition(s)

Name:
Cardiovascular phenotype
Identifiers:
MedGen: CN230736

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV002661755Ambry Genetics
criteria provided, single submitter

(Ambry Variant Classification Scheme 2023)
Uncertain significance
(Oct 27, 2022)
germlineclinical testing

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

Citation Link

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Mutation spectrum and polygenic score in German patients with familial hypercholesterolemia.

Rieck L, Bardey F, Grenkowitz T, Bertram L, Helmuth J, Mischung C, Spranger J, Steinhagen-Thiessen E, Bobbert T, Kassner U, Demuth I.

Clin Genet. 2020 Nov;98(5):457-467. doi: 10.1111/cge.13826. Epub 2020 Sep 2.

PubMed [citation]
PMID:
32770674

Details of each submission

From Ambry Genetics, SCV002661755.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)

Description

The c.666C>T variant (also known as p.C222C), located in coding exon 4 of the LDLR gene, results from a C to T substitution at nucleotide position 666. This nucleotide substitution does not change the cysteine at codon 222. This variant has been detected in two individuals from a familial hypercholesterolemia cohort (Rieck L et al. Clin Genet, 2020 11;98:457-467). This nucleotide position is highly conserved in available vertebrate species. In silico splice site analysis predicts that this alteration will result in the creation or strengthening of a novel splice donor site. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear.

#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

Last Updated: May 7, 2024