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NM_014363.6(SACS):c.8385dup (p.Asp2796fs) AND Spastic paraplegia

Germline classification:
Pathogenic (1 submission)
Last evaluated:
Jan 13, 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:
RCV002871414.3

Allele description [Variation Report for NM_014363.6(SACS):c.8385dup (p.Asp2796fs)]

NM_014363.6(SACS):c.8385dup (p.Asp2796fs)

Gene:
SACS:sacsin molecular chaperone [Gene - OMIM - HGNC]
Variant type:
Duplication
Cytogenetic location:
13q12.12
Genomic location:
Preferred name:
NM_014363.6(SACS):c.8385dup (p.Asp2796fs)
HGVS:
  • NC_000013.11:g.23335493dup
  • NG_012342.1:g.103212dup
  • NM_001278055.2:c.7944dup
  • NM_014363.6:c.8385dupMANE SELECT
  • NP_001264984.1:p.Asp2649fs
  • NP_055178.3:p.Asp2796fs
  • NC_000013.10:g.23909629_23909630insT
  • NC_000013.10:g.23909632dup
Protein change:
D2649fs
Molecular consequence:
  • NM_001278055.2:c.7944dup - frameshift variant - [Sequence Ontology: SO:0001589]
  • NM_014363.6:c.8385dup - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:
Spastic paraplegia
Identifiers:
MedGen: C0037772; Human Phenotype Ontology: HP:0001258

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV003231975Labcorp Genetics (formerly Invitae), Labcorp
criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))		Pathogenic
(Jan 13, 2023) 		germlineclinical testing

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

Help

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, SCV003231975.2

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

Description

This sequence change creates a premature translational stop signal (p.Asp2796Argfs*14) in the SACS gene. While this is not anticipated to result in nonsense mediated decay, it is expected to disrupt the last 1784 amino acid(s) of the SACS protein. For these reasons, this variant has been classified as Pathogenic. This variant disrupts a region of the SACS protein in which other variant(s) (p.Tyr4538*) have been determined to be pathogenic (Invitae). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. This variant has not been reported in the literature in individuals affected with SACS-related conditions. This variant is not present in population databases (gnomAD no frequency).

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

Last Updated: Sep 29, 2024