NM_000243.3(MEFV):c.985C>T (p.Arg329Cys) AND Familial Mediterranean fever

Germline classification:: Conflicting interpretations of pathogenicity (2 submissions)
Last evaluated:: Feb 8, 2023
Review status:: criteria provided, conflicting classifications

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:: RCV001897894.5

Allele description [Variation Report for NM_000243.3(MEFV):c.985C>T (p.Arg329Cys)]

NM_000243.3(MEFV):c.985C>T (p.Arg329Cys)

Gene:

MEFV:MEFV innate immunity regulator, pyrin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

16p13.3

Genomic location:

Preferred name:

NM_000243.3(MEFV):c.985C>T (p.Arg329Cys)

HGVS:

NC_000016.10:g.3249706G>A
NG_007871.1:g.11922C>T
NM_000243.3:c.985C>TMANE SELECT
NM_001198536.2:c.352C>T
NP_000234.1:p.Arg329Cys
NP_001185465.2:p.Arg118Cys
LRG_190:g.11922C>T
NC_000016.9:g.3299706G>A

Protein change:

R118C

Links:

dbSNP: rs757216434

NCBI 1000 Genomes Browser:

rs757216434

Molecular consequence:

NM_000243.3:c.985C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_001198536.2:c.352C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Familial Mediterranean fever (FMF)
Synonyms:: POLYSEROSITIS, FAMILIAL PAROXYSMAL; POLYSEROSITIS, RECURRENT; Periodic peritonitis; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0018088; MedGen: C0031069; Orphanet: 342; OMIM: 249100

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002150635	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Sep 15, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV003802227	Genome-Nilou Lab	criteria provided, single submitter (ACMG Guidelines, 2015)	Likely benign (Feb 8, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002150635

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Sep 15, 2021)

germline

clinical testing

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

SCV003802227

Genome-Nilou Lab

criteria provided, single submitter

(ACMG Guidelines, 2015)

Likely benign
(Feb 8, 2023)

germline

clinical testing

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

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

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

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 Labcorp Genetics (formerly Invitae), Labcorp, SCV002150635.2

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

Description

This sequence change replaces arginine with cysteine at codon 329 of the MEFV protein (p.Arg329Cys). The arginine residue is weakly conserved and there is a large physicochemical difference between arginine and cysteine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with MEFV-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Benign"; Align-GVGD: "Class C25"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	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

From Genome-Nilou Lab, SCV003802227.1

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

#	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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