ClinVar Miner

Submissions for variant NM_139027.6(ADAMTS13):c.722del (p.Gly241fs)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Guangzhou First People’s Hospital, Institute of Blood Transfusion and Hematology,Guangzhou Medical University RCV004765391 SCV005374608 pathogenic Upshaw-Schulman syndrome 2022-10-13 no assertion criteria provided clinical testing The novel compound heterozygous mutation c.2865G>A:p.Trp955X and c.721delG:p.Gly241fs in the ADAMTS13 gene were identified and are predicted to be associated with Hereditary Thrombotic Thrombocytopenic Purpura. The nonsense mutation c.2865G>A contributes to abnormal termination of translation at the 955th amino acid and results in deletion of the TSP6-8 and CUB domains. Unfortunately, an attempt to predict the mutated protein structure with the Swiss Model tool failed. The frameshift mutation c.721delG alters an amino acid and ends translation at the 7th amino acid after the mutation point, which means that the synthesized protein simply includes the signal peptide and propeptide. Even if NMD is not involved, both novel mutations alter the protein structure, and protein function is impaired, promoting the occurrence of disease.

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