ClinVar Miner

Submissions for variant GRCh37/hg19 Xp21.1(chrX:32867689-32935343)x0

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Quest Diagnostics Nichols Institute San Juan Capistrano RCV003485260 SCV004231186 pathogenic not provided 2023-05-06 criteria provided, single submitter clinical testing The copy number loss of Xp21.1 appears to involve a single exon (exon 3; NM_004006.3) of DMD (OMIM 300377), which is predicted to be an in-frame deletion. Intragenic deletions and duplications as well as pathogenic sequence variants of DMD are associated with X-linked recessive Duchenne muscular dystrophy (DMD; OMIM 310200). In-frame deletions of DMD are predicted to result in Becker muscular dystrophy (BMD; OMIM 300376, Ling 2020, Tomar 2019). There are no similar copy number losses of this region in the general populations of the Database of Genomic Variants. Thus, based on current medical literature and gene content, this copy number variant (CNV) is interpreted as pathogenic. References: Ling et al., Hum Mutat. 2020 Mar;41(3):668-677. PMID: 31705731 Tomar et al., Am J Med Genet C Semin Med Genet. 2019 Jun;181(2):230-244. PMID: 31081998

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