NM_020964.3(EPG5):c.3762_3789dup (p.Ala1264delinsTyrTer) AND Vici syndrome

Germline classification:: Pathogenic (1 submission)
Last evaluated:: Jan 16, 2024
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:: RCV000526506.6

Allele description [Variation Report for NM_020964.3(EPG5):c.3762_3789dup (p.Ala1264delinsTyrTer)]

NM_020964.3(EPG5):c.3762_3789dup (p.Ala1264delinsTyrTer)

Gene:

EPG5:ectopic P-granules 5 autophagy tethering factor [Gene - OMIM - HGNC]

Variant type:

Duplication

Cytogenetic location:

18q21.1

Genomic location:

Preferred name:

NM_020964.3(EPG5):c.3762_3789dup (p.Ala1264delinsTyrTer)

HGVS:

NC_000018.10:g.45913734_45913761dup
NG_042838.1:g.58580_58607dup
NM_020964.3:c.3762_3789dupMANE SELECT
NP_066015.2:p.Ala1264delinsTyrTer
LRG_1234t1:c.3762_3789dup
LRG_1234:g.58580_58607dup
LRG_1234p1:p.Ala1264delinsTyrTer
NC_000018.9:g.43493697_43493698insAGAGTTTATCACCAATTCCCCTTCAATA
NC_000018.9:g.43493699_43493726dup
NM_020964.2:c.3762_3789dup

Links:

dbSNP: rs1555673890

NCBI 1000 Genomes Browser:

rs1555673890

Molecular consequence:

NM_020964.3:c.3762_3789dup - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:: Vici syndrome (VICIS)
Synonyms:: Absent corpus callosum cataract immunodeficiency; Immunodeficiency with cleft lip/palate, cataract, hypopigmentation and absent corpus callosum
Identifiers:: MONDO: MONDO:0009452; MedGen: C1855772; Orphanet: 1493; OMIM: 242840

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000641820	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Jan 16, 2024)	germline	clinical testing	PubMed (3) [See all records that cite these PMIDs] 23222957, 23674064, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000641820

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Pathogenic
(Jan 16, 2024)

germline

clinical testing

PubMed (3)
[See all records that cite these PMIDs]

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Recessive mutations in EPG5 cause Vici syndrome, a multisystem disorder with defective autophagy.

Cullup T, Kho AL, Dionisi-Vici C, Brandmeier B, Smith F, Urry Z, Simpson MA, Yau S, Bertini E, McClelland V, Al-Owain M, Koelker S, Koerner C, Hoffmann GF, Wijburg FA, ten Hoedt AE, Rogers RC, Manchester D, Miyata R, Hayashi M, Said E, Soler D, et al.

Nat Genet. 2013 Jan;45(1):83-7. doi: 10.1038/ng.2497. Epub 2012 Dec 9.

PubMed [citation]

PMID:: 23222957
PMCID:: PMC4012842

Role of Epg5 in selective neurodegeneration and Vici syndrome.

Zhao YG, Zhao H, Sun H, Zhang H.

Autophagy. 2013 Aug;9(8):1258-62. doi: 10.4161/auto.24856. Epub 2013 May 14.

PubMed [citation]

PMID:: 23674064
PMCID:: PMC3748201

See all PubMed Citations (3)

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000641820.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (3)

Description

This sequence change creates a premature translational stop signal (p.Ala1264Tyrfs*2) in the EPG5 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in EPG5 are known to be pathogenic (PMID: 23222957, 23674064). This variant is present in population databases (no rsID available, gnomAD 0.0009%). This variant has not been reported in the literature in individuals affected with EPG5-related conditions. ClinVar contains an entry for this variant (Variation ID: 466248). For these reasons, this variant has been classified as Pathogenic.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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