ClinVar Miner

Submissions for variant NM_015120.4(ALMS1):c.9825C>G (p.Thr3275=) (rs201446579)

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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
CeGaT Praxis fuer Humangenetik Tuebingen RCV000415799 SCV000493281 uncertain significance not provided 2016-08-01 criteria provided, single submitter clinical testing
GeneDx RCV000443000 SCV000531880 likely benign not specified 2017-07-04 criteria provided, single submitter clinical testing This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease.
Invitae RCV001084056 SCV000631812 benign Alstrom syndrome 2019-12-31 criteria provided, single submitter clinical testing
Integrated Genetics/Laboratory Corporation of America RCV000443000 SCV001363236 benign not specified 2019-04-22 criteria provided, single submitter clinical testing Variant summary: ALMS1 c.9819C>G (also known as c.9825C>G) alters a non-conserved nucleotide resulting in a synonymous change. 4/4 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant allele was found at a frequency of 0.0023 in 249364 control chromosomes, predominantly at a frequency of 0.0029 within the Non-Finnish European subpopulation in the gnomAD database. The observed variant frequency within Non-Finnish European control individuals in the gnomAD database is approximately 1.3 fold of the estimated maximal expected allele frequency for a pathogenic variant in ALMS1 causing Cardiomyopathy phenotype (0.0022), strongly suggesting that the variant is a benign polymorphism found primarily in populations of Non-Finnish European origin. To our knowledge, no occurrence of c.9819C>G in individuals affected with Cardiomyopathy and no experimental evidence demonstrating its impact on protein function have been reported. Three clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation (2x Benign/likely benign ; 1x uncertain significance). Based on the evidence outlined above, the variant was classified as benign.

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