ClinVar Miner

Submissions for variant NM_001844.5(COL2A1):c.2920del (p.Gln974fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Victorian Clinical Genetics Services, Murdoch Childrens Research Institute RCV002471648 SCV002769068 pathogenic Stickler syndrome type 1 2022-02-02 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as Pathogenic. Following criteria are met: 0103 - Dominant negative and loss of function are known mechanisms of disease in this gene. Loss of function is associated with Stickler Syndrome while missense variants affecting glycine residue exert dominant-negative effect and is commonly associated with spondyloepiphyseal dysplasia (PMIDs: 15895462, 27234559). (I) 0107 - This gene is associated with autosomal dominant disease. (I) 0115 - Variants in this gene are known to have variable expressivity. Intra- and inter-familial phenotypic variability and expressivity has been reported (GeneReviews). (I) 0201 - Variant is predicted to cause nonsense-mediated decay (NMD) and loss of protein (premature termination codon is located at least 54 nucleotides upstream of the final exon-exon junction). (SP) 0251 - This variant is heterozygous. (I) 0301 - Variant is absent from gnomAD (both v2 and v3). (SP) 0701 - Other null variants comparable to the one identified in this case have very strong previous evidence for pathogenicity. There are a large number of NMD-predicted variants that have been classified as pathogenic or likely pathogenic (DECIPHER). (SP) 0807 - This variant has no previous evidence of pathogenicity. (I) 0905 - No published segregation evidence has been identified for this variant. (I) 1007 - No published functional evidence has been identified for this variant. (I) 1208 - Inheritance information for this variant is not currently available in this individual. (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign

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