ClinVar Miner

Submissions for variant NC_000010.11:g.(?_87925503)_(87965482_?)del

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV001031943 SCV001195250 pathogenic PTEN hamartoma tumor syndrome 2019-06-12 criteria provided, single submitter clinical testing This variant is a gross deletion of the genomic region encompassing exons 3-9. The 5' boundary is likely confined to intron 2. The 3' end of this event is unknown as it extends through the termination codon beyond the assayed region for this gene and may encompass additional genes. While this deletion is not anticipated to result in nonsense mediated decay, it is expected to create a truncated protein product or disrupt mRNA translation. A similar deletion has been observed in an individual clinical features of Cowden syndrome (PMID: 22382802). Experimental studies have shown that disruption of the C-terminal portion of the C2 domain, as well as the entire C-tail domain and PDZ binding domain, affects the stability and function of the PTEN protein (PMID: 10468583, 10698513, 24905788). This variant also removes several critical phosphorylation sites within the C-tail, which are important for regulating PTEN protein stability and function (PMID: 12297295, 10866658, 11035045, 10468583). Variants that disrupt the C-terminus in PTEN have been observed in affected individuals (PMID: 20223021, 27477328, 28086757, Invitae). This suggests that this region is clinically significant, and that other variants that disrupt it are likely to be causative of disease. For these reasons, this variant has been classified as Pathogenic.

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