ClinVar Miner

Submissions for variant NM_000478.6(ALPL):c.18del (p.Val7fs)

dbSNP: rs1558543066
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV001731812 SCV001983479 pathogenic Hypophosphatasia 2021-09-04 criteria provided, single submitter clinical testing Variant summary: ALPL c.18delA (p.Val7TyrfsX12) results in a premature termination codon, predicted to cause a truncation of the encoded protein or absence of the protein due to nonsense mediated decay, which are commonly known mechanisms for disease. Truncations downstream of this position have been classified as pathogenic by our laboratory. The variant was absent in 251486 control chromosomes. c.18delA has been reported in the literature as a compound heterozygous genotype in at-least two individuals affected with Hypophosphatasia (example, Cui_2012, Zhu_2020). To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 without evidence for independent evaluation and classified the variant as pathogenic. Based on the evidence outlined above, the variant was classified as pathogenic.
Baylor Genetics RCV003465354 SCV004192583 pathogenic Adult hypophosphatasia 2024-02-29 criteria provided, single submitter clinical testing
Children's Hospital of Soochow University, Soochow University RCV000678683 SCV000693855 pathogenic Infantile hypophosphatasia 2018-02-26 no assertion criteria provided clinical testing

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