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NM_005359.6(SMAD4):c.1448-15A>G AND multiple conditions

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Feb 5, 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:
RCV003172612.1

Allele description [Variation Report for NM_005359.6(SMAD4):c.1448-15A>G]

NM_005359.6(SMAD4):c.1448-15A>G

Gene:
SMAD4:SMAD family member 4 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
18q21.2
Genomic location:
Preferred name:
NM_005359.6(SMAD4):c.1448-15A>G
HGVS:
  • NC_000018.10:g.51078241A>G
  • NG_013013.2:g.115202A>G
  • NM_001407041.1:c.1448-15A>G
  • NM_001407042.1:c.1448-15A>G
  • NM_005359.6:c.1448-15A>GMANE SELECT
  • LRG_318t1:c.1448-15A>G
  • LRG_318:g.115202A>G
  • NC_000018.9:g.48604611A>G
  • NM_005359.5:c.1448-15A>G
Molecular consequence:
  • NM_001407041.1:c.1448-15A>G - intron variant - [Sequence Ontology: SO:0001627]
  • NM_001407042.1:c.1448-15A>G - intron variant - [Sequence Ontology: SO:0001627]
  • NM_005359.6:c.1448-15A>G - intron variant - [Sequence Ontology: SO:0001627]

Condition(s)

Name:
Familial thoracic aortic aneurysm and aortic dissection (TAAD)
Synonyms:
Thoracic aortic aneurysm and aortic dissection; Thoracic aortic aneurysms and dissections
Identifiers:
MONDO: MONDO:0019625; MedGen: C4707243; Orphanet: 91387; OMIM: PS607086
Name:
Hereditary cancer-predisposing syndrome
Synonyms:
Neoplastic Syndromes, Hereditary; Tumor predisposition; Cancer predisposition; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0015356; MeSH: D009386; MedGen: C0027672

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV003863704Ambry Genetics
criteria provided, single submitter

(Ambry General Variant Classification Scheme_2022)
Uncertain significance
(Feb 5, 2023)
germlineclinical testing

Citation Link

Summary from all submissions

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

Details of each submission

From Ambry Genetics, SCV003863704.1

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

Description

The c.1448-15A>G intronic variant results from an A to G substitution 15 nucleotides upstream from coding exon 11 in the SMAD4 gene. This nucleotide position is not well 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 acceptor site; however, direct evidence is insufficient at this time (Ambry internal data). 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: Dec 24, 2023