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NM_001360.3(DHCR7):c.99-4G>A AND Smith-Lemli-Opitz syndrome

Germline classification:
Benign/Likely benign (4 submissions)
Last evaluated:
Jan 31, 2024
Review status:
2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts
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:
RCV000538327.29

Allele description [Variation Report for NM_001360.3(DHCR7):c.99-4G>A]

NM_001360.3(DHCR7):c.99-4G>A

Genes:
NADSYN1:NAD synthetase 1 [Gene - OMIM - HGNC]
DHCR7:7-dehydrocholesterol reductase [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
11q13.4
Genomic location:
Preferred name:
NM_001360.3(DHCR7):c.99-4G>A
HGVS:
  • NC_000011.10:g.71444219C>T
  • NG_012655.2:g.9213G>A
  • NM_001163817.2:c.99-4G>A
  • NM_001360.3:c.99-4G>AMANE SELECT
  • LRG_340t1:c.99-4G>A
  • LRG_340:g.9213G>A
  • NC_000011.9:g.71155265C>T
  • NM_001360.2:c.99-4G>A
Links:
dbSNP: rs140748737
NCBI 1000 Genomes Browser:
rs140748737
Molecular consequence:
  • NM_001163817.2:c.99-4G>A - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001360.3:c.99-4G>A - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:
Smith-Lemli-Opitz syndrome (SLOS)
Synonyms:
LETHAL ACRODYSGENITAL SYNDROME; POLYDACTYLY, SEX REVERSAL, RENAL HYPOPLASIA, AND UNILOBAR LUNG; RUTLEDGE LETHAL MULTIPLE CONGENITAL ANOMALY SYNDROME; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0010035; MedGen: C0175694; Orphanet: 818; OMIM: 270400

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000630079Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))
Benign
(Jan 31, 2024)
germlineclinical testing

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

SCV001157157ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
criteria provided, single submitter

(ARUP Molecular Germline Variant Investigation Process)
Benign
(Feb 3, 2020)
germlineclinical testing

Citation Link,

SCV001190684Natera, Inc.
no assertion criteria provided
Benign
(May 20, 2019)
germlineclinical testing

SCV001272046Illumina Laboratory Services, Illumina
criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)
Likely benign
(Apr 27, 2017)
germlineclinical testing

Citation Link

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedgermlineunknownnot providednot providednot providednot providednot providedclinical 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, SCV000630079.6

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories, SCV001157157.2

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Natera, Inc., SCV001190684.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlineunknownnot providednot providednot providednot providednot providednot providednot provided

From Illumina Laboratory Services, Illumina, SCV001272046.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testingnot provided

Description

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign.

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

Last Updated: Nov 10, 2024