ClinVar Miner

Submissions for variant NM_001854.4(COL11A1):c.3276+2T>G

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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 RCV004790094 SCV005400034 likely pathogenic Stickler syndrome type 2 2022-09-02 criteria provided, single submitter clinical testing Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as Likely pathogenic. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with COL11A1-related skeletal dysplasias and autosomal dominant deafness 37 (MIM#618533). Dominant negative is also a suggested mechanism (OMIM). (I) 0108 - This gene is associated with both recessive and dominant disease. Both missense variants and those predicted to result in a truncated protein have been associated with autosomal recessive and dominant disease. Additionally, autosomal recessive Stickler syndrome is usually caused by variants affecting exon 9 (PMID: 32578940, PMID: 25073711). (I) 0115 - Variants in this gene causing Stickler syndrome are known to have variable expressivity (PMID: 27081569). (I) 0211 - Canonical splice site variant without proven consequence on splicing (no functional evidence available). However, it should be noted that this variant may result in an in-frame deletion of exon 42, which is a G-X-Y repeat region. (SP) 0251 - This variant is heterozygous. (I) 0301 - Variant is absent from gnomAD (both v2 and v3). (SP) 0311 - An alternative nucleotide change at the same canonical splice site is present in gnomAD (v2) at a frequency of 0.00002913 (c.3276+2T>A: 1 heterozygote, 0 homozygotes). (SB) 0505 - Abnormal splicing is predicted by in silico tools and affected nucleotide is highly conserved. (SP) 0705 - No comparable splice variants have previous evidence for pathogenicity. (I) 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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