ClinVar Miner

Submissions for variant NM_000267.3(NF1):c.7846C>T (p.Arg2616Ter) (rs786201367)

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Total submissions: 8
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV000163482 SCV000214039 pathogenic Hereditary cancer-predisposing syndrome 2016-01-25 criteria provided, single submitter clinical testing Lines of evidence used in support of classification: Alterations resulting in premature truncation (e.g.reading frame shift, nonsense)
Center for Human Genetics, Inc RCV000196216 SCV000782115 pathogenic Neurofibromatosis, type 1 2016-11-01 criteria provided, single submitter clinical testing
Clinical Molecular Genetics Laboratory,Johns Hopkins All Children's Hospital RCV000196216 SCV000692369 pathogenic Neurofibromatosis, type 1 2015-08-28 no assertion criteria provided clinical testing
Fulgent Genetics,Fulgent Genetics RCV000515434 SCV000611289 pathogenic Neurofibromatosis, familial spinal; Juvenile myelomonocytic leukemia; Neurofibromatosis, type 1; Neurofibromatosis-Noonan syndrome; Café-au-lait macules with pulmonary stenosis 2017-05-18 criteria provided, single submitter clinical testing
GeneDx RCV000599610 SCV000709955 pathogenic not provided 2018-09-14 criteria provided, single submitter clinical testing The R2616X variant in the NF1 gene has been reported in multiple individuals with Neurofibromatosis type 1 syndrome (Upadhyaya et al., 1995; Fahsold et al., 2000; Pasmant et al., 2015, Cali et al., 2016). This substitution creates a nonsense variant, which changes an Arginine to a premature stop codon (CGA>TGA), and is predicted to cause loss of normal protein function through either protein truncation or nonsense-mediated mRNA decay. The R2616X variant is not observed in large population cohorts (Lek et al., 2016). Based on currently available evidence, we consider R2616X to be a pathogenic variant, consistent with the diagnosis of neurofibromatosis type 1 in this individual.
Illumina Clinical Services Laboratory,Illumina RCV000196216 SCV000915756 pathogenic Neurofibromatosis, type 1 2018-09-06 criteria provided, single submitter clinical testing The NF1 c.7846C>T (p.Arg2616Ter) variant is a stop-gained variant that is predicted to result in a premature termination of the protein. The p.Arg2616Ter variant has been reported in at least nine studies and is found in at least 25 probands in a heterozygous state (Upadhyaya et al. 1995; Osborn et al. 1999; Fahsold et al. 2000; Wang et al. 2003; De Luca et al. 2004; Shirinzi et al. 2006; Stevenson et al. 2006; Messiaen and Wimmer 2008; Vuralli et al. 2016). Two probands were related and had clinical features of NF1 and neurofibromatosis-Noonan syndrome. The p.Arg2616Ter variant was absent from 152 controls (De Luca et al. 2004; Shirinzi et al. 2006) and is not found in the 1000 Genomes Project, the Exome Sequencing Project, the Exome Aggregation Consortium, or Genome Aggregation Database. Due to the potential impact of stop-gained variants and the evidence in the literature, the p.Arg2616Ter variant is classified as pathogenic for NF1-related disorders. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population.
Invitae RCV000196216 SCV000541988 pathogenic Neurofibromatosis, type 1 2018-06-20 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal at codon 2616 (p.Arg2616*) of the NF1 gene. It is expected to result in an absent or disrupted protein product. This variant is not present in population databases (ExAC no frequency). This variant has been reported in many individuals affected with neurofibromatosis type 1 (PMID: 8544190, 15146469, 25074460, 10712197, 25326637, 27838393). ClinVar contains an entry for this variant (Variation ID: 184261). Loss-of-function variants in NF1 are known to be pathogenic (PMID: 10712197, 23913538). For these reasons, this variant has been classified as Pathogenic.
UCLA Clinical Genomics Center, UCLA RCV000196216 SCV000255422 likely pathogenic Neurofibromatosis, type 1 2013-04-30 criteria provided, single submitter clinical testing

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