ClinVar Miner

Submissions for variant NM_000089.4(COL1A2):c.432+2T>A

dbSNP: rs2115876295
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Center for Genomics, Ann and Robert H. Lurie Children's Hospital of Chicago RCV002210915 SCV002496065 likely pathogenic Osteogenesis imperfecta with normal sclerae, dominant form; Postmenopausal osteoporosis; Osteogenesis imperfecta, perinatal lethal; Osteogenesis imperfecta type III; Ehlers-Danlos syndrome, cardiac valvular type; Ehlers-Danlos syndrome, arthrochalasia type 2021-03-11 criteria provided, single submitter clinical testing COL1A2 NM_000089.3 intron 9 c.432+2T>A: This variant has not been reported in the literature and is not present in large control databases. Evolutionary conservation and computational predictive tools for this variant are limited or unavailable. This variant alters the consensus splice sequence (+/- 1,2) which is predicted to result in an absent or abnormal protein. Data suggests that this gene is associated with a dominant-negative versus a loss of function mechanism for disease (https://search.clinicalgenome.org/kb/gene-dosage/HGNC:2198#report_details_haploinsufficiency). However, there is some data on similar variants that suggests that this variant may lead to in-frame skipping of exon 9 and may therefore be consistent with the expected mechanism (Marini 2007 PMID:17078022, Hatamochi 2014 PMID:24440294, Maioli 2019 PMID:30886339). In summary, data on this variant is highly suspicious for disease, but requires further evidence for pathogenicity. Therefore, this variant is classified as likely pathogenic.

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