ClinVar Miner

Submissions for variant NM_001844.5(COL2A1):c.258C>A (p.Cys86Ter)

dbSNP: rs794727261
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Eurofins Ntd Llc (ga) RCV000255165 SCV000227235 pathogenic not provided 2017-11-13 criteria provided, single submitter clinical testing
GeneDx RCV000255165 SCV000322315 pathogenic not provided 2021-12-02 criteria provided, single submitter clinical testing Reported in patients with Stickler syndrome and described as being associated with a high incidence of ocular involvement and a lower incidence of the systemic features associated with Stickler syndrome (Donoso et al., 2002; Parma et al., 2002; Stone et al., 2017); Not observed in large population cohorts (Lek et al., 2016); Nonsense variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss-of-function is a known mechanism of disease; Located in exon 2, which is an alternatively spliced exon; a genotype-phenotype correlation of variants in exon 2 with a predominantly ocular phenotype has been proposed due to differential tissue expression of alternative isoforms (Donoso et al., 2003; McAlinden et al., 2008); Reported in ClinVar as pathogenic (ClinVar Variant ID# 195148; Landrum et al., 2016); This variant is associated with the following publications: (PMID: 12429249, 12429250, 27234559, 28559085, 32039712, 23592912, 17721977)
Fulgent Genetics, Fulgent Genetics RCV000762897 SCV000893297 pathogenic Achondrogenesis type II; Avascular necrosis of femoral head, primary, 1; Multiple epiphyseal dysplasia, Beighton type; Legg-Calve-Perthes disease; Kniest dysplasia; Namaqualand hip dysplasia; Spondyloperipheral dysplasia; Stickler syndrome type 1; Platyspondylic dysplasia, Torrance type; Spondylometaphyseal dysplasia; Spondyloepiphyseal dysplasia congenita; Spondyloepiphyseal dysplasia with metatarsal shortening; Stickler syndrome, type I, nonsyndromic ocular; Spondyloepiphyseal dysplasia, Stanescu type 2018-10-31 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV000255165 SCV001202292 pathogenic not provided 2025-01-30 criteria provided, single submitter clinical testing This sequence change creates a premature translational stop signal (p.Cys86*) in the COL2A1 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in COL2A1 are known to be pathogenic (PMID: 20179744). This variant is not present in population databases (gnomAD no frequency). This premature translational stop signal has been observed in individual(s) with Stickler syndrome (PMID: 12429249, 23592912, 28559085). ClinVar contains an entry for this variant (Variation ID: 195148). For these reasons, this variant has been classified as Pathogenic.
Fulgent Genetics, Fulgent Genetics RCV005008098 SCV005634618 pathogenic Achondrogenesis type II; Avascular necrosis of femoral head, primary, 1; Multiple epiphyseal dysplasia, Beighton type; Legg-Calve-Perthes disease; Kniest dysplasia; Namaqualand hip dysplasia; Spondyloperipheral dysplasia; Stickler syndrome type 1; Platyspondylic dysplasia, Torrance type; Spondyloepiphyseal dysplasia congenita; Spondyloepiphyseal dysplasia with metatarsal shortening; Stickler syndrome, type I, nonsyndromic ocular; Vitreoretinopathy with phalangeal epiphyseal dysplasia; Spondyloepiphyseal dysplasia, Stanescu type; Spondyloepimetaphyseal dysplasia, Strudwick type 2024-04-09 criteria provided, single submitter clinical testing

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