ClinVar Miner

Submissions for variant NC_000017.11:g.(?_50198141)_(50198524_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000631516 SCV000752598 likely pathogenic Osteogenesis imperfecta type I 2021-08-09 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exon(s) 6-7 of the COL1A1 gene. This variant would be expected to be in-frame, preserving the integrity of the reading frame. A similar copy number variant has been observed in individual(s) with clinical features of COL1A1-related conditions (Invitae). This variant disrupts the triple helix domain of COL1A1. Glycine residues within the Gly-Xaa-Yaa repeats of the triple helix domain are required for the structure and stability of fibrillar collagens (PMID: 7695699, 8218237, 19344236). In COL1A1, variants affecting these glycine residues are significantly enriched in individuals with disease (PMID: 9016532, 17078022) compared to the general population (ExAC). 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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