ClinVar Miner

Submissions for variant NM_000314.8(PTEN):c.-773C>T

dbSNP: rs922418729
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Total submissions: 1
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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 RCV001192921 SCV001361381 uncertain significance not specified 2022-03-29 criteria provided, single submitter clinical testing Variant summary: PTEN c.-773C>T (RefSeq c.-772C>T) alters non-conserved nucleotide located in the untranslated mRNA region upstream of the initiation codon. 3/5 computational tools predict no significant impact on normal splicing. However, these predictions have yet to be confirmed by functional studies. The variant was absent in 31182 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. To our knowledge, no occurrence of c.-773C>T in individuals affected with Cowden Syndrome and no experimental evidence demonstrating its impact on protein function have been reported. However, this variant is located within the reported promoter region of PTEN, and other variants within this region have been identified in patient's with Cowden's Syndrome and have been found to result in reduced levels of protein activity (Zhou_2003, Teresi_2007, Liu_2013). No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar after 2014. Based on the evidence outlined above, the variant was classified as uncertain significance.

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