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Background

Autosomal dominant polycystic kidney disease (ADPKD) is a common monogenic multisystem disease caused primarily by mutations in the PKD1 gene or PKD2 gene. There is increasing evidence that some of these variants, which are described as missense, synonymous or nonsense mutations in the literature or databases, may be deleterious by affecting the pre-mRNA splicing process.

Results

This study aimed to determine the effect of these PKD1 and PKD2 variants on exon splicing combined with predictive bioinformatics tools and minigene assay. As a result, among the 19 candidate single nucleotide alterations, 11 variants distributed in PKD1 (c.7866C > A, c.7960A > G, c.7979A > T, c.7987C > T, c.11248C > G, c.11251C > T, c.11257C > G, c.11257C > T, c.11346C > T, and c.11393C > G) and PKD2 (c.1480G > T) were identified to result in exon skipping.

Conclusions

We confirmed that 11 variants in the gene of PKD1 and PKD2 affect normal splicing by interfering the recognition of classical splicing sites or by disrupting exon splicing enhancers and generating exon splicing silencers. This is the most comprehensive study to date on pre-mRNA splicing of exonic variants in ADPKD-associated disease-causing genes in consideration of the increasing number of identified variants in PKD1 and PKD2 gene in recent years. These results emphasize the significance of assessing the effect of exon single nucleotide variants in ADPKD at the mRNA level."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.org/dc/terms/identifier"doi:10.1186/s12864-023-09444-9"xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Chen M."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Li C."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Liu X."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Liu Z."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Guo W."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Shi X."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Zhang Y."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Shao L."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Zhang R."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Zhang Y.'"xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Xin Q."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Pan F."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/author"Qiao D."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/date"2023"xsd:gYear
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/name"BMC Genomics"xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/pages"407"xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/title"Identified eleven exon variants in PKD1 and PKD2 genes that altered RNA splicing by minigene assay."xsd:string
http://purl.uniprot.org/citations/37468838http://purl.uniprot.org/core/volume"24"xsd:string
http://purl.uniprot.org/citations/37468838http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/37468838
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