ClinVar Miner

Submissions for variant NM_006218.4(PIK3CA):c.2075del (p.Cys692fs)

dbSNP: rs1724954436
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ladle Lab, Johns Hopkins University RCV001270431 SCV001448187 likely pathogenic Glycogen storage disease, type II 2020-04-06 no assertion criteria provided clinical testing Somatic mutation identified in a single case of relapsed metastatic neuroblastoma. Mutation identified in conjunction with ALK mutation in a non-MYCN amplified tumor. The single base pair deletion in the PIK3CA gene generates a frameshift resulting in an early stop codon and protein truncation. This alteration is expected to effectively truncate the 1068 amino acid p110-alpha protein within the Orst 900 N-terminal amino acids, within or prior to the kinase domain (PMID 21266528, PMID 15016963). The resulting protein would lack part or all of the kinase domain (PMID 21266528, PMID 15016963). This alteration is therefore predicted to lead to a loss of function.

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