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NM_000308.4(CTSA):c.33GCT[7] (p.Leu19del) AND not provided

Germline classification:
Benign (4 submissions)
Last evaluated:
Jun 13, 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:
RCV000588925.11

Allele description [Variation Report for NM_000308.4(CTSA):c.33GCT[7] (p.Leu19del)]

NM_000308.4(CTSA):c.33GCT[7] (p.Leu19del)

Gene:
CTSA:cathepsin A [Gene - OMIM - HGNC]
Variant type:
Microsatellite
Cytogenetic location:
20q13.12
Genomic location:
Preferred name:
NM_000308.4(CTSA):c.33GCT[7] (p.Leu19del)
HGVS:
  • NC_000020.10:g.44520238_44520240del
  • NC_000020.11:g.45891601GCT[7]
  • NG_008291.1:g.5650GCT[7]
  • NG_033108.1:g.4666CAG[7]
  • NM_000308.4:c.33GCT[7]MANE SELECT
  • NM_001127695.3:c.33GCT[7]
  • NM_001167594.3:c.33GCT[7]
  • NP_000299.3:p.Leu19del
  • NP_001121167.1:p.Leu19del
  • NP_001161066.2:p.Leu19del
  • NC_000020.10:g.44520238_44520240del
  • NC_000020.10:g.44520240GCT[7]
  • NC_000020.10:g.44520261_44520263delGCT
  • NM_000308.2:c.108_110delGCT
  • NM_000308.2:c.85_87delCTG
  • NM_000308.4:c.54_56delGCTMANE SELECT
  • NR_133656.2:n.78GCT[7]
Protein change:
L19del
Links:
dbSNP: rs72555383
NCBI 1000 Genomes Browser:
rs72555383
Molecular consequence:
  • NM_000308.4:c.33GCT[7] - inframe_deletion - [Sequence Ontology: SO:0001822]
  • NM_001127695.3:c.33GCT[7] - inframe_deletion - [Sequence Ontology: SO:0001822]
  • NM_001167594.3:c.33GCT[7] - inframe_deletion - [Sequence Ontology: SO:0001822]
  • NR_133656.2:n.78GCT[7] - non-coding transcript variant - [Sequence Ontology: SO:0001619]

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
SCV000801182Mayo Clinic Laboratories, Mayo Clinic
no assertion criteria provided
Benign
(Mar 15, 2017)
unknownclinical testing

SCV000985844GeneDx
criteria provided, single submitter

(GeneDx Variant Classification (06012015))
Benign
(Jun 13, 2018)
germlineclinical testing

Citation Link,

SCV001798606Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC) - VKGL Data-share Consensus

See additional submitters

no assertion criteria provided
Likely benigngermlineclinical testing

Summary from all submissions

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

Citations

PubMed

A case of galactosialidosis with novel mutations of the protective protein/cathepsin a gene: diagnosis prompted by trophoblast vacuolization on placental examination.

Kostadinov S, Shah BA, Alroy J, Phornphutkul C.

Pediatr Dev Pathol. 2014 Nov-Dec;17(6):474-7. doi: 10.2350/14-05-1500-CR.1. Epub 2014 Jul 30.

PubMed [citation]
PMID:
25075748

Details of each submission

From Women's Health and Genetics/Laboratory Corporation of America, LabCorp, SCV000696509.1

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

Description

Variant summary: The CTSA c.108_110delGCT (p.Leu37del) variant involves the deletion of a luecine in a string of 9 leucines. One in silico tool predicts a polymorphism outcome for this variant. This variant was found in 144801/230752 control chromosomes (43432 homozygotes) at a frequency of 0.6275179, which is approximately 397 times the estimated maximal expected allele frequency of a pathogenic CTSA variant (0.0015811), suggesting this variant is likely a benign polymorphism. Taken together, this variant is classified as benign. One case report cites the variant in a GSL patient, along with two other variants that have not been reported by other clinical labs, therefore it is unclear which variants are disease-causing. Multiple clinical diagnostic laboratories/reputable databases classified this variant as benign. Taken together, this variant is classified as benign.

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

From Mayo Clinic Laboratories, Mayo Clinic, SCV000801182.1

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

From GeneDx, SCV000985844.1

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

Description

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.

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

From Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC) - VKGL Data-share Consensus, SCV001798606.2

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

Flagged submissions

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000696509Women's Health and Genetics/Laboratory Corporation of America, LabCorp
flagged submission
Reason: This record appears to be redundant with a more recent record from the same submitter.
Notes: SCV000696509 appears to be redundant with SCV003928935.

(LabCorp Variant Classification Summary - May 2015)
Benign
(Nov 22, 2017)
germlineclinical testing

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

LabCorp Variant Classification Summary - May 2015.docx

Citation Link

Last Updated: Apr 15, 2024