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NM_000055.4(BCHE):c.1217dup (p.Asp406fs) AND Deficiency of butyrylcholinesterase

Germline classification:
Uncertain significance (1 submission)
Last evaluated:
Oct 16, 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:
RCV000779400.4

Allele description [Variation Report for NM_000055.4(BCHE):c.1217dup (p.Asp406fs)]

NM_000055.4(BCHE):c.1217dup (p.Asp406fs)

Gene:
BCHE:butyrylcholinesterase [Gene - OMIM - HGNC]
Variant type:
Duplication
Cytogenetic location:
3q26.1
Genomic location:
Preferred name:
NM_000055.4(BCHE):c.1217dup (p.Asp406fs)
HGVS:
  • NC_000003.12:g.165829817dup
  • NG_009031.1:g.12649dup
  • NM_000055.4:c.1217dupMANE SELECT
  • NP_000046.1:p.Asp406fs
  • NC_000003.11:g.165547605dup
  • NM_000055.2:c.1217dupA
  • NR_137636.2:n.1335dup
Protein change:
D406fs
Links:
dbSNP: rs768148788
NCBI 1000 Genomes Browser:
rs768148788
Molecular consequence:
  • NM_000055.4:c.1217dup - frameshift variant - [Sequence Ontology: SO:0001589]
  • NR_137636.2:n.1335dup - non-coding transcript variant - [Sequence Ontology: SO:0001619]

Condition(s)

Name:
Deficiency of butyrylcholinesterase (BCHED)
Synonyms:
Butyrylcholinesterase deficiency; BCHE deficiency; CHE1 deficiency; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0015270; MedGen: C1283400; OMIM: 617936

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000916007Illumina Laboratory Services, Illumina
criteria provided, single submitter

(ICSL Variant Classification Criteria 09 May 2019)
Uncertain significance
(Oct 16, 2018)
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 Illumina Laboratory Services, Illumina, SCV000916007.1

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

Description

This variant results in a frameshift and is predicted to result in premature termination of the protein. It was observed by ICSL as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018) and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score for this variant, it could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene and cDNA change, and amino acid change. No publications were found based on this search. Due to the potential impact of frameshift variants and the lack of clarifying evidence, this variant is classified as a variant of unknown significance but suspicious for pathogenicity for this disease.

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

Last Updated: Apr 9, 2023