ClinVar Miner

Submissions for variant NM_000314.8(PTEN):c.48_49delinsAT (p.Tyr16_Gln17delinsTer)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Ambry Genetics RCV002337875 SCV002638392 pathogenic Hereditary cancer-predisposing syndrome 2018-03-30 criteria provided, single submitter clinical testing The c.48_49delTCinsAT pathogenic mutation (also known as p.Y16*), located in coding exon 1 of the PTEN gene, results from an in-frame deletion of TC and insertion of AT at nucleotide positions 48 to 49. This changes the amino acid from a tyrosine to a stop codon at codon 16. An alteration leading to the same amino acid change (c.48T>A, p.Y16*) has been reported in individuals meeting relaxed International Cowden Consortium operational criteria for Cowden syndrome (Tan MH et al. Am. J. Hum. Genet. 2011 Jan; 88(1):42-56). In addition to the clinical data reported in the literature, this alteration is expected to result in loss of function by premature protein truncation or nonsense-mediated mRNA decay. As such, this alteration is interpreted as a disease-causing mutation.

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