NM_001083116.3(PRF1):c.1025C>T (p.Thr342Ile) AND Familial hemophagocytic lymphohistiocytosis 2

This record was updated by the submitter. Please see the current version.

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Mar 25, 2024
Review status:: 2 stars out of maximum of 4 stars
criteria provided, multiple submitters, no conflicts

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:: RCV002594928.4

Allele description

NM_001083116.3(PRF1):c.1025C>T (p.Thr342Ile)

Gene:

PRF1:perforin 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

10q22.1

Genomic location:

Preferred name:

NM_001083116.3(PRF1):c.1025C>T (p.Thr342Ile)

HGVS:

NC_000010.11:g.70598696G>A
NG_009615.1:g.9080C>T
NM_001083116.3:c.1025C>TMANE SELECT
NM_005041.6:c.1025C>T
NP_001076585.1:p.Thr342Ile
NP_001076585.1:p.Thr342Ile
NP_005032.2:p.Thr342Ile
LRG_94t1:c.1025C>T
LRG_94:g.9080C>T
LRG_94p1:p.Thr342Ile
NC_000010.10:g.72358452G>A
NM_001083116.1:c.1025C>T

Protein change:

T342I

Molecular consequence:

NM_001083116.3:c.1025C>T - missense variant - [Sequence Ontology: SO:0001583]
NM_005041.6:c.1025C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Familial hemophagocytic lymphohistiocytosis 2 (FHL2)
Identifiers:: MONDO: MONDO:0011337; MedGen: C1863727; Orphanet: 540; OMIM: 603553

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV002950175	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Jan 3, 2023)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV004805363	Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center	criteria provided, single submitter (ACMG Guidelines, 2015)	Uncertain significance (Mar 25, 2024)	germline	research	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV002950175

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Jan 3, 2023)

germline

clinical testing

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

SCV004805363

Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center

criteria provided, single submitter

(ACMG Guidelines, 2015)

Uncertain significance
(Mar 25, 2024)

germline

research

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, research

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 Invitae, SCV002950175.2

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

Description

This variant has not been reported in the literature in individuals affected with PRF1-related conditions. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces threonine, which is neutral and polar, with isoleucine, which is neutral and non-polar, at codon 342 of the PRF1 protein (p.Thr342Ile). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. 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 Center for Genomic Medicine, King Faisal Specialist Hospital and Research Center, SCV004805363.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	research	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: Apr 6, 2024

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