ClinVar Miner

Submissions for variant NC_000015.9:g.(?_48722848)_(48723019_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV004582944 SCV005064023 pathogenic Marfan syndrome; Familial thoracic aortic aneurysm and aortic dissection 2022-11-09 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant affects a cysteine residue in the EGF-like, TGFBP or hybrid motif domains of FBN1. Cysteine residues are believed to be involved in intramolecular disulfide bridges and have been shown to be important for FBN1 protein structure (PMID: 16905551, 19349279). In addition, missense substitutions affecting cysteine residues within these domains are significantly overrepresented among patients with Marfan syndrome (PMID: 16571647, 17701892). A similar copy number variant has been observed in individual(s) with Marfan syndrome (PMID: 30286810). This variant is a gross deletion of the genomic region encompassing exon(s) 56 of the FBN1 gene. This variant would be expected to be in-frame, preserving the integrity of the reading frame.

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