ClinVar Miner

Submissions for variant NM_001378454.1(ALMS1):c.9908-13C>T (rs373325114)

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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Counsyl RCV000665478 SCV000789608 uncertain significance Alstrom syndrome 2017-02-14 criteria provided, single submitter clinical testing
Invitae RCV000665478 SCV001609669 likely benign Alstrom syndrome 2020-10-08 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001553714 SCV001774691 uncertain significance not specified 2021-07-12 criteria provided, single submitter clinical testing Variant summary: ALMS1 c.9905-13C>T alters a non-conserved nucleotide located close to a canonical splice site and therefore could affect mRNA splicing, leading to a significantly altered protein sequence. The variant allele was found at a frequency of 5.6e-05 in 249026 control chromosomes. This frequency is not significantly higher than expected for a pathogenic variant in ALMS1 causing Alstrom Syndrome With Dilated Cardiomyopathy (5.6e-05 vs 0.0018), allowing no conclusion about variant significance. To our knowledge, no occurrence of c.9905-13C>T in individuals affected with Alstrom Syndrome With Dilated Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. Co-occurrence with another pathogenic variant has been reported (internal specimen, MYH7 c.2722C>G), providing supporting evidence for a benign role. Two clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation. One laboratory classified the variant as likely benign, and one laboratory classified the variant as uncertain significance. Based on the evidence outlined above, the variant was classified as uncertain significance.

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