ClinVar Miner

Submissions for variant NM_001281463.1(SMC1A):c.2285T>C (p.Ile762Thr) (rs387906702)

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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Center for Human Genetics,University of Leuven RCV000022820 SCV000268067 likely pathogenic Congenital muscular hypertrophy-cerebral syndrome 2015-01-01 criteria provided, single submitter literature only
GeneDx RCV000441375 SCV000520965 pathogenic not provided 2017-01-12 criteria provided, single submitter clinical testing The I784T variant in the SMC1A gene has been reported previously in association with Cornelia de Lange syndrome (CdLS). Affected individuals reported to date have all been female with a history of intrauterine growth restriction, global developmental delay, hirsutism, and minor facial dysmorphisms suggestive of CdLS (Limongellie et al., 2010; Gervasini et al., 2013; Fieremans et al., 2016). Additional reported features include microcephaly, congenital heart defects, cleft palate, sensorineural hearing loss, frequent respiratory infections, and severe intellectual disability (Limongellie et al., 2010; Gervasini et al., 2013; Fieremans et al., 2016). The I784T variant was not observed in approximately 6500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. The I784T variant is a non-conservative amino acid substitution, which is likely to impact secondary protein structure as these residues differ in polarity, charge, size and/or other properties. This substitution occurs at a position that is conserved across species. In silico analysis predicts this variant is probably damaging to the protein structure/function. We interpret I784T as a pathogenic variant, which is consistent with the clinical features reported in this individual.
Ambry Genetics RCV000623393 SCV000743068 likely pathogenic Inborn genetic diseases 2017-10-24 criteria provided, single submitter clinical testing
CeGaT Praxis fuer Humangenetik Tuebingen RCV000441375 SCV001248233 pathogenic not provided 2019-03-01 criteria provided, single submitter clinical testing
OMIM RCV000022820 SCV000044109 pathogenic Congenital muscular hypertrophy-cerebral syndrome 2010-08-01 no assertion criteria provided literature only

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