ClinVar Miner

Submissions for variant NM_002769.5(PRSS1):c.416G>T (p.Cys139Phe)

dbSNP: rs768853338
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV000757692 SCV000886014 likely pathogenic not provided 2018-05-23 criteria provided, single submitter clinical testing The PRSS1 c.416G>T; p.Cys139Phe variant has been described in several individuals affected with chronic pancreatitis (see link to Pancreatitis PRSS1 database and references therein). It is absent from general population databases (1000 Genomes Project, Exome Variant Server, and Genome Aggregation Database), indicating it is not a common polymorphism. The cysteine at codon 139 is highly conserved, and computational algorithms (PolyPhen-2, SIFT) predict that this variant is deleterious. In vitro functional studies of this variant protein demonstrate reduced expression and severe secretions defects (Schnur 2014). Additionally, another variant at this codon (c.415T>A; p.Cys139Ser) has been reported in multiple individuals with pancreatitis and is considered pathogenic (see link to Pancreatitis PRSS1 database and references therein). Based on available information, this variant is considered likely pathogenic. References: Pancreatitis PRSS1 database: http://pancreasgenetics.org/e107_plugins/aacgc_itemlist/Item_List.php?det.1 Schnur A et al. Functional effects of 13 rare PRSS1 variants presumed to cause chronic pancreatitis. Gut. 2014 Feb;63(2):337-43.

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