ClinVar Miner

Submissions for variant NM_005585.5(SMAD6):c.465_471del (p.Gly156fs)

dbSNP: rs958818801
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000791469 SCV000930720 uncertain significance Aortic valve disease 2 2019-07-15 criteria provided, single submitter clinical testing In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. The current clinical and genetic evidence is not sufficient to establish whether loss-of-function variants in SMAD6 cause disease. This variant has been observed in an individual affected with sagittal craniosynostosis as well as his unaffected parent. In addition, the affected individual had a de novo variant in another gene related to craniosynostosis, indicating that the SMAD6 variant was not the primary cause of disease (PMID: 28808027). This variant has also been observed in an individual with bicuspid aortic valve associated thoracic aortic aneurysm (PMID: 28659821). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate insufficient coverage at this position in the ExAC database. This sequence change creates a premature translational stop signal (p.Gly156Valfs*23) in the SMAD6 gene. It is expected to result in an absent or disrupted protein product.
GeneDx RCV002255165 SCV002526501 uncertain significance not provided 2022-06-15 criteria provided, single submitter clinical testing Reported in a patient with craniosynostosis who also harbored an additional potentially disease-causing variant in the TCF12 gene (Timberlake et al., 2017); Not observed at significant frequency in large population cohorts (gnomAD); Frameshift variant predicted to result in protein truncation or nonsense mediated decay in a gene or region of a gene for which loss of function is not a well-established mechanism of disease.; This variant is associated with the following publications: (PMID: 28659821, 30038786, 31138930, 28808027)
The Laboratory of Genetics and Metabolism, Hunan Children’s Hospital RCV000851354 SCV000993658 uncertain significance Radioulnar synostosis 2019-05-14 no assertion criteria provided case-control PVS1, PM2, PP4, BS4
OMIM RCV002508149 SCV001430997 risk factor Radioulnar synostosis, nonsyndromic, susceptibility to 2020-08-28 no assertion criteria provided literature only
Yale Center for Mendelian Genomics, Yale University RCV001849446 SCV002106419 pathogenic Craniosynostosis syndrome 2018-01-01 no assertion criteria provided literature only

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