NM_000138.5(FBN1):c.4020del (p.Asn1341fs) AND multiple conditions

Germline classification:: Pathogenic (1 submission)
Last evaluated:: Oct 21, 2020
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:: RCV001386704.6

Allele description [Variation Report for NM_000138.5(FBN1):c.4020del (p.Asn1341fs)]

NM_000138.5(FBN1):c.4020del (p.Asn1341fs)

Gene:

FBN1:fibrillin 1 [Gene - OMIM - HGNC]

Variant type:

Deletion

Cytogenetic location:

15q21.1

Genomic location:

Preferred name:

NM_000138.5(FBN1):c.4020del (p.Asn1341fs)

HGVS:

NC_000015.10:g.48474596del
NG_008805.2:g.176194del
NM_000138.5:c.4020delMANE SELECT
NP_000129.3:p.Asn1341fs
LRG_778:g.176194del
NC_000015.9:g.48766792del
NC_000015.9:g.48766793del

Protein change:

N1341fs

Links:

dbSNP: rs2141280222

NCBI 1000 Genomes Browser:

rs2141280222

Molecular consequence:

NM_000138.5:c.4020del - frameshift variant - [Sequence Ontology: SO:0001589]

Condition(s)

Name:: Marfan syndrome (MFS)
Synonyms:: MARFAN SYNDROME, TYPE I; Marfan syndrome type 1; Marfan's syndrome; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0007947; MedGen: C0024796; Orphanet: 284963; Orphanet: 558; OMIM: 154700

Name:: Familial thoracic aortic aneurysm and aortic dissection (TAAD)
Synonyms:: Thoracic aortic aneurysm and aortic dissection; Thoracic aortic aneurysms and dissections
Identifiers:: MONDO: MONDO:0019625; MedGen: C4707243; Orphanet: 91387; OMIM: PS607086

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001587044	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Oct 21, 2020)	germline	clinical testing	PubMed (4) [See all records that cite these PMIDs] 17657824, 19293843, 7611299, 28492532

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001587044

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Pathogenic
(Oct 21, 2020)

germline

clinical testing

PubMed (4)
[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

The importance of mutation detection in Marfan syndrome and Marfan-related disorders: report of 193 FBN1 mutations.

Comeglio P, Johnson P, Arno G, Brice G, Evans A, Aragon-Martin J, da Silva FP, Kiotsekoglou A, Child A.

Hum Mutat. 2007 Sep;28(9):928.

PubMed [citation]

PMID:: 17657824

Identification of the minimal combination of clinical features in probands for efficient mutation detection in the FBN1 gene.

Stheneur C, Collod-Béroud G, Faivre L, Buyck JF, Gouya L, Le Parc JM, Moura B, Muti C, Grandchamp B, Sultan G, Claustres M, Aegerter P, Chevallier B, Jondeau G, Boileau C.

Eur J Hum Genet. 2009 Sep;17(9):1121-8. doi: 10.1038/ejhg.2009.36. Epub 2009 Mar 18.

PubMed [citation]

PMID:: 19293843
PMCID:: PMC2986588

See all PubMed Citations (4)

Details of each submission

From Invitae, SCV001587044.4

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (4)

Description

This sequence change creates a premature translational stop signal (p.Asn1341Ilefs*72) in the FBN1 gene. It is expected to result in an absent or disrupted protein product. For these reasons, this variant has been classified as Pathogenic. Loss-of-function variants in FBN1 are known to be pathogenic (PMID: 17657824, 19293843). This variant has been observed in individual(s) with Marfan syndrome (PMID: 7611299). This variant is not present in population databases (ExAC no frequency).

#	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: Mar 5, 2024

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