NM_001042492.3(NF1):c.2446C>T (p.Arg816Ter) AND Neurofibromatosis, type 1

Germline classification:: Pathogenic (9 submissions)
Last evaluated:: Jul 1, 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:: RCV000497042.32

Allele description [Variation Report for NM_001042492.3(NF1):c.2446C>T (p.Arg816Ter)]

NM_001042492.3(NF1):c.2446C>T (p.Arg816Ter)

Gene:

NF1:neurofibromin 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

17q11.2

Genomic location:

Preferred name:

NM_001042492.3(NF1):c.2446C>T (p.Arg816Ter)

HGVS:

NC_000017.11:g.31229061C>T
NG_009018.1:g.139085C>T
NM_000267.3:c.2446C>T
NM_001042492.3:c.2446C>TMANE SELECT
NP_000258.1:p.Arg816Ter
NP_001035957.1:p.Arg816Ter
NP_001035957.1:p.Arg816Ter
LRG_214t1:c.2446C>T
LRG_214t2:c.2446C>T
LRG_214:g.139085C>T
LRG_214p1:p.Arg816Ter
LRG_214p2:p.Arg816Ter
NC_000017.10:g.29556079C>T
NM_001042492.2:c.2446C>T
NM_001042492.3:c.2446C>T

Protein change:

R816*

Links:

dbSNP: rs886041347

NCBI 1000 Genomes Browser:

rs886041347

Molecular consequence:

NM_000267.3:c.2446C>T - nonsense - [Sequence Ontology: SO:0001587]
NM_001042492.3:c.2446C>T - nonsense - [Sequence Ontology: SO:0001587]

Condition(s)

Name:: Neurofibromatosis, type 1 (NF1)
Synonyms:: NEUROFIBROMATOSIS, TYPE I; Recklinghausen's disease; Von Recklinghausen disease; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0018975; MedGen: C0027831; Orphanet: 636; OMIM: 162200

Recent activity

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putative family 17 glucosidase [Saccharomyces cerevisiae S288C]
putative family 17 glucosidase [Saccharomyces cerevisiae S288C]
gi|6323964|ref|NP_014035.1|

Protein
Arabidopsis thaliana other RNA (AT4G40065), ncRNA
Arabidopsis thaliana other RNA (AT4G40065), ncRNA
gi|1063728689|ref|NR_144119.1|

Nucleotide

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000588746	Medical Genetics, University of Parma	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Dec 20, 2019)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV000628443	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Pathogenic (Dec 1, 2023)	germline	clinical testing	PubMed (10) [See all records that cite these PMIDs] 23913538, 9150739, 9475595, 10712197, 15146469, 18484666, 19142971, 23668869, 25403449, 28492532
SCV000781952	Center for Human Genetics, Inc, Center for Human Genetics, Inc	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Nov 1, 2016)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001190818	Biochemical Molecular Genetic Laboratory, King Abdulaziz Medical City	no assertion criteria provided	Pathogenic (Feb 5, 2020)	germline	clinical testing
SCV001479119	Genome Diagnostics Laboratory, The Hospital for Sick Children	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Oct 26, 2020)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV002061403	Greenwood Genetic Center Diagnostic Laboratories, Greenwood Genetic Center	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Apr 5, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV002561770	Genome-Nilou Lab	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Mar 15, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV004027791	Institute of Human Genetics, University of Leipzig Medical Center	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (May 2, 2023)	unknown	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV005068228	NHS Central & South Genomic Laboratory Hub	criteria provided, single submitter (ACMG Guidelines, 2015)	Pathogenic (Jul 1, 2024)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

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Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	no	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	unknown	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

NF1 molecular characterization and neurofibromatosis type I genotype-phenotype correlation: the French experience.

Sabbagh A, Pasmant E, Imbard A, Luscan A, Soares M, Blanché H, Laurendeau I, Ferkal S, Vidaud M, Pinson S, Bellanné-Chantelot C, Vidaud D, Parfait B, Wolkenstein P.

Hum Mutat. 2013 Nov;34(11):1510-8. doi: 10.1002/humu.22392. Epub 2013 Aug 26.

PubMed [citation]

PMID:: 23913538

Characterization and significance of nine novel mutations in exon 16 of the neurofibromatosis type 1 (NF1) gene.

Maynard J, Krawczak M, Upadhyaya M.

Hum Genet. 1997 May;99(5):674-6.

PubMed [citation]

PMID:: 9150739

See all PubMed Citations (11)

Details of each submission

From Medical Genetics, University of Parma, SCV000588746.2

#	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	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000628443.8

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (10)

Description

This sequence change creates a premature translational stop signal (p.Arg816*) in the NF1 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in NF1 are known to be pathogenic (PMID: 10712197, 23913538). This variant is not present in population databases (gnomAD no frequency). This premature translational stop signal has been observed in individual(s) with NF1-related conditions (PMID: 9150739, 9475595, 10712197, 15146469, 18484666, 19142971, 23668869, 25403449). ClinVar contains an entry for this variant (Variation ID: 280055). 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

From Center for Human Genetics, Inc, Center for Human Genetics, Inc, SCV000781952.1

#	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	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Biochemical Molecular Genetic Laboratory, King Abdulaziz Medical City, SCV001190818.1

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

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

From Genome Diagnostics Laboratory, The Hospital for Sick Children, SCV001479119.1

#	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	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Greenwood Genetic Center Diagnostic Laboratories, Greenwood Genetic Center, SCV002061403.3

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

Description

PVS1, PS4, PM2

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

From Genome-Nilou Lab, SCV002561770.1

#	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	no	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Institute of Human Genetics, University of Leipzig Medical Center, SCV004027791.1

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

Description

Criteria applied: PVS1,PS3_MOD,PS4_MOD,PM2_SUP

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

From NHS Central & South Genomic Laboratory Hub, SCV005068228.1

#	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	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Nov 10, 2024

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