ClinVar Miner

Submissions for variant NM_024301.5(FKRP):c.235G>A (p.Val79Met) (rs104894683)

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Total submissions: 8
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
EGL Genetic Diagnostics, Eurofins Clinical Diagnostics RCV000236146 SCV000230415 benign not specified 2017-04-12 criteria provided, single submitter clinical testing
Invitae RCV001083979 SCV000290695 benign Walker-Warburg congenital muscular dystrophy 2020-12-05 criteria provided, single submitter clinical testing
GeneDx RCV000236146 SCV000293454 likely benign not specified 2018-02-01 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Genetic Services Laboratory, University of Chicago RCV000236146 SCV000594778 likely benign not specified 2015-12-31 criteria provided, single submitter clinical testing
Center for Pediatric Genomic Medicine,Children's Mercy Hospital and Clinics RCV000513718 SCV000610960 likely benign not provided 2017-05-03 criteria provided, single submitter clinical testing
ARUP Laboratories, Molecular Genetics and Genomics,ARUP Laboratories RCV000236146 SCV001157673 uncertain significance not specified 2018-10-23 criteria provided, single submitter clinical testing The FKRP c.235G>A; p.Val79Met variant (rs104894683) is reported in several individuals affected with limb girdle muscular dystrophy (de Paula 2003), including three siblings that carried the p.Val79Met variant in trans to a nonsense variant (Vieira 2006). Of the three siblings, two were severely affected and also carried a p.Pro89Ala variant, which was not identified in the third mildly affected sibling (Vieira 2006). The p.Val79Met variant is reported in ClinVar (Variation ID: 4229) and is found in the African population with an overall allele frequency of 1.5% (320/21382 alleles, including one homozygote) in the Genome Aggregation Database. The valine at codon 79 is moderately conserved, but computational analyses (SIFT: damaging, PolyPhen-2: benign) predict conflicting effects of this variant on protein structure/function. Due to conflicting information, the clinical significance of the p.Val79Met variant is uncertain at this time. References: de Paula F et al. Asymptomatic carriers for homozygous novel mutations in the FKRP gene: the other end of the spectrum. Eur J Hum Genet. 2003 Dec;11(12):923-30. Vieira NM et al. Mutation analysis in the FKRP gene provides an explanation for a rare cause of intrafamilial clinical variability in LGMD2I. Neuromuscul Disord. 2006 Dec;16(12):870-3.
OMIM RCV000004450 SCV000024623 pathogenic Limb-girdle muscular dystrophy-dystroglycanopathy, type C5 2003-12-01 no assertion criteria provided literature only
Natera, Inc. RCV000004450 SCV001460331 benign Limb-girdle muscular dystrophy-dystroglycanopathy, type C5 2020-01-10 no assertion criteria provided clinical testing

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