NM_000528.4(MAN2B1):c.639C>T (p.Phe213=) AND Deficiency of alpha-mannosidase

Clinical significance:Uncertain significance (Last evaluated: Jul 14, 2021)

Review status:2 stars out of maximum of 4 stars

criteria provided, multiple submitters, no conflicts

Based on:
2 submissions [Details]
Record status:
current
Accession:
RCV000380810.3

Allele description [Variation Report for NM_000528.4(MAN2B1):c.639C>T (p.Phe213=)]

NM_000528.4(MAN2B1):c.639C>T (p.Phe213=)

Gene:
MAN2B1:mannosidase alpha class 2B member 1 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
19p13.13
Genomic location:
Preferred name:
NM_000528.4(MAN2B1):c.639C>T (p.Phe213=)
HGVS:
  • NC_000019.10:g.12663827G>A
  • NG_008318.1:g.7951C>T
  • NG_015814.1:g.2024G>A
  • NM_000528.4:c.639C>TMANE SELECT
  • NM_001173498.1:c.639C>T
  • NP_000519.2:p.Phe213=
  • NP_001166969.1:p.Phe213=
  • NC_000019.9:g.12774641G>A
  • NM_000528.3:c.639C>T
Links:
dbSNP: rs886054233
NCBI 1000 Genomes Browser:
rs886054233
Molecular consequence:
  • NM_000528.4:c.639C>T - synonymous variant - [Sequence Ontology: SO:0001819]
  • NM_001173498.1:c.639C>T - synonymous variant - [Sequence Ontology: SO:0001819]

Condition(s)

Name:
Deficiency of alpha-mannosidase (MANSA)
Synonyms:
Lysosomal alpha-D-mannosidase deficiency; Alpha mannosidase B deficiency; Mannosidosis, alpha B lysosomal; See all synonyms [MedGen]
Identifiers:
MONDO: MONDO:0009561; MedGen: C0024748; Orphanet: 61; OMIM: 248500

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Assertion and evidence details

Submission AccessionSubmitterReview Status
(Assertion method)
Clinical Significance
(Last evaluated)
OriginMethodCitations
SCV000410808Illumina Clinical Services Laboratory,Illuminacriteria provided, single submitter
Uncertain significance
(Jan 13, 2018)
germlineclinical testing

Citation Link,

SCV001805934Nilou-Genome Labcriteria provided, single submitter
Uncertain significance
(Jul 14, 2021)
germlineclinical testing

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

Summary from all submissions

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

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]
PMID:
25741868
PMCID:
PMC4544753

Details of each submission

From Illumina Clinical Services Laboratory,Illumina, SCV000410808.3

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

Description

This variant was observed in the ICSL laboratory 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, this variant 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, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease.

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

From Nilou-Genome Lab, SCV001805934.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1germlinenonot providednot providednot providednot providednot providednot providednot provided

Last Updated: Aug 25, 2021

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