NM_000505.4(F12):c.711C>T (p.Pro237=) AND Hereditary angioedema type 3

Germline classification:: Benign (2 submissions)
Last evaluated:: Jan 13, 2018
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:: RCV000363476.6

Allele description [Variation Report for NM_000505.4(F12):c.711C>T (p.Pro237=)]

NM_000505.4(F12):c.711C>T (p.Pro237=)

Gene:

F12:coagulation factor XII [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

5q35.3

Genomic location:

Preferred name:

NM_000505.4(F12):c.711C>T (p.Pro237=)

HGVS:

NC_000005.10:g.177404588G>A
NG_007568.1:g.9989C>T
NM_000505.4:c.711C>TMANE SELECT
NP_000496.2:p.Pro237=
NP_000496.2:p.Pro237=
LRG_145t1:c.711C>T
LRG_145:g.9989C>T
LRG_145p1:p.Pro237=
NC_000005.9:g.176831589G>A
NM_000505.3:c.711C>T

Links:

dbSNP: rs17876047

NCBI 1000 Genomes Browser:

rs17876047

Molecular consequence:

NM_000505.4:c.711C>T - synonymous variant - [Sequence Ontology: SO:0001819]

Observations:

Condition(s)

Name:: Hereditary angioedema type 3 (HAE3)
Synonyms:: ANGIONEUROTIC EDEMA, HEREDITARY, WITH NORMAL C1 INHIBITOR CONCENTRATION AND FUNCTION; ESTROGEN-RELATED HAE; ESTROGEN-SENSITIVE HAE; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0012526; MedGen: C1857728; OMIM: 610618

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000456727	Illumina Laboratory Services, Illumina	criteria provided, single submitter (ICSL Variant Classification Criteria 13 December 2019)	Benign (Jan 13, 2018)	germline	clinical testing	Citation Link,
SCV001441479	CeMIA	criteria provided, single submitter (ACMG Guidelines, 2015)	Benign	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

SCV000456727

Illumina Laboratory Services, Illumina

criteria provided, single submitter

(ICSL Variant Classification Criteria 13 December 2019)

Benign
(Jan 13, 2018)

germline

clinical testing

Citation Link,

SCV001441479

CeMIA

criteria provided, single submitter

(ACMG Guidelines, 2015)

Benign

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
Caucasians	germline	no	14	not provided	not provided	not provided	not provided	clinical 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 Laboratory Services, Illumina, SCV000456727.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not 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 and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease.

#	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 CeMIA, SCV001441479.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	Caucasians	14	not provided	not provided	clinical testing	PubMed (1)

Description

The synonymous variant c.711C>T, located in exon 8 of the F12 gene, was detected in our cohort in 8 nC1-INH-HAE and 6 type I C1-INH-HAE patients. It has been detected in 2.275% alleles worldwide (gnomAD database) and its allele frequency is greater than that expected for FXII-HAE. The variant is reported as benign in ClinVar database in patients with FXII-HAE. Taking all the above into account and according to ACMG Guidelines (Criteria: BS1, BS2, BP5, BP6) the variant is considered benign.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	no	not provided	not provided	not provided		14	not provided	not provided	not provided

Last Updated: Feb 20, 2024

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