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NM_000368.5(TSC1):c.2524C>T (p.Gln842Ter) AND not provided

Germline classification:
Pathogenic (1 submission)
Last evaluated:
Aug 7, 2018
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:
RCV000760377.1

Allele description [Variation Report for NM_000368.5(TSC1):c.2524C>T (p.Gln842Ter)]

NM_000368.5(TSC1):c.2524C>T (p.Gln842Ter)

Gene:
TSC1:TSC complex subunit 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
9q34.13
Genomic location:
Preferred name:
NM_000368.5(TSC1):c.2524C>T (p.Gln842Ter)
HGVS:
  • NC_000009.12:g.132900816G>A
  • NG_012386.1:g.48818C>T
  • NM_000368.5:c.2524C>TMANE SELECT
  • NM_001162426.2:c.2521C>T
  • NM_001162427.2:c.2371C>T
  • NM_001362177.2:c.2161C>T
  • NP_000359.1:p.Gln842Ter
  • NP_000359.1:p.Gln842Ter
  • NP_001155898.1:p.Gln841Ter
  • NP_001155899.1:p.Gln791Ter
  • NP_001349106.1:p.Gln721Ter
  • LRG_486t1:c.2524C>T
  • LRG_486:g.48818C>T
  • LRG_486p1:p.Gln842Ter
  • NC_000009.11:g.135776203G>A
  • NM_000368.4:c.2524C>T
Protein change:
Q721*
Links:
dbSNP: rs1447417010
NCBI 1000 Genomes Browser:
rs1447417010
Molecular consequence:
  • NM_000368.5:c.2524C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_001162426.2:c.2521C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_001162427.2:c.2371C>T - nonsense - [Sequence Ontology: SO:0001587]
  • NM_001362177.2:c.2161C>T - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Synonyms:
none provided
Identifiers:
MedGen: C3661900

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000890240GeneDx
criteria provided, single submitter

(GeneDx Variant Classification (06012015))
Pathogenic
(Aug 7, 2018)
germlineclinical testing

Citation Link

Summary from all submissions

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

Details of each submission

From GeneDx, SCV000890240.1

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

Description

The Q842X nonsense variant in the TSC1 gene has been reported previously in a family with multiple generations of TSC (Kövesdi et al., 2013). This pathogenic variant is predicted to cause loss of normal protein function either through protein truncation or nonsense-mediated mRNA decay. Additionally, the Q842X variant is not observed in large population cohorts (Lek et al., 2016). Therefore, the presence of Q842X is consistent with the diagnosis of TSC in this individual.

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

Last Updated: Apr 20, 2024