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http://purl.uniprot.org/citations/33769591http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/33769591http://www.w3.org/2000/01/rdf-schema#comment"

Background

Familial adenomatous polyposis (FAP) as a colon cancer predisposition syndrome is an autosomal-dominant inherited condition and is diagnosed by the progress of hundreds or thousands of adenomatous colonic polyps in the colon. This study aims at the nature and effect of Adenomatous Polyposis Coli (APC) gene mutations in FAP tumorigenesis.

Methods

The genetic screening of 59 FAP Iranian patients in 10 families was performed by polymerase chain reactions and the direct sequencing of the entire coding exons of the APC gene. To do linkage haplotype analysis and multiplex PCR-based microsatellite examination, six short tandem repeat loci were selected in this gene. To evaluate and predict the potentially deleterious effects, comprehensive bioinformatics pathogenicity assays were used.

Results

A total of 12 germline heterozygous and homozygous nucleotide variations were identified. They included two missense mutations, four nonsense mutations, which would lead to the truncated and nonfunctional protein products, four synonymous or silent variations, and two nucleotide deletions of 1 to 5 bp or frameshift mutations. In addition, three novel heterozygous nonsense mutations were found in exons 10, 14, and 15 of the gene. There was also p.Arg653Met as a novel heterozygote mutation in exon 14 of the gene.

Conclusions

Bioinformatics analysis and three-dimensional structural modeling predicted that these missense and nonsense mutations generally are associated with the deleted or truncated domains of APC and have functional importance and mainly affected the APC protein. These findings may provide evidence for the progress of potential biomarkers and help to understand the role of the APC gene in FAP."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.org/dc/terms/identifier"doi:10.1002/jcla.23768"xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Zeinali S."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Ghasemi F."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Khatami M."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Merat S."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Bagherian H."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Heidari M.M."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Rejali L."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/author"Ghadamyari F."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/date"2021"xsd:gYear
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/name"J Clin Lab Anal"xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/pages"e23768"xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/title"Mutational screening through comprehensive bioinformatics analysis to detect novel germline mutations in the APC gene in patients with familial adenomatous polyposis (FAP)."xsd:string
http://purl.uniprot.org/citations/33769591http://purl.uniprot.org/core/volume"35"xsd:string
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