ClinVar Miner

Submissions for variant NM_001278116.2(L1CAM):c.2848_2849del (p.Gly950fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Molecular Genetics Department, Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology RCV003985987 SCV004801807 likely pathogenic MASA syndrome; X-linked hydrocephalus syndrome criteria provided, single submitter clinical testing A previously undescribed nucleotide variant creates a frameshift p.Gly950LeufsTer10 in the L1CAM gene. The variant was observed in hemizygous state in an individual affected with progressive hydrocephaly, hypoplastic corpus callosum, intellectual and motor deficiency, and dysmorphic features. Loss-of-function variants are reported in patients with Corpus callosum, partial agenesis of, 304100, Hydrocephalus, congenital, 307000, Hydrocephalus, congenital, X-linked, 307000, MASA syndrome, 303350. The variant is not present in population database (gnomAD no frequency). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as likely pathogenic.

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