Evidence map›Paper›PMID 41013697›Full record

ArticleHereditary cancer in clinical practice2025

Genomic characterization of patients with colorectal cancer.

Marwa Mahdouani, Drenushe Zhuri, Fulya Dusenkalkan, Hakan Gurkan, Sinem Yalcintepe

Abstract read
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Article in Hereditary cancer in clinical practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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0cells of the map it votes in
1citing papers in PubMed
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1 · What the graph read from it

What it found

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2 · The registry

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3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Marwa MahdouaniLaboratory of Human Cytogenetics, Molecular Genetics, and Reproductive Biology, Farhat Hached University Hospital, Sousse, Tunisia. marwamahdouani95@gmail.com.
Drenushe ZhuriDepartment of Medical Genetics, Faculty of Medicine, Trakya University, Edirne, Turkey.
Fulya DusenkalkanDepartment of Medical Genetics, Faculty of Medicine, Trakya University, Edirne, Turkey.
Hakan GurkanDepartment of Medical Genetics, Faculty of Medicine, Trakya University, Edirne, Turkey.
Sinem YalcintepeDepartment of Medical Genetics, Faculty of Medicine, Trakya University, Edirne, Turkey.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHereditary colorectal cancer (CRC) predisposition syndromes account for 5-10% of all diagnosed CRC cases. Lynch syndrome (LS), Familial Adenomatous Polyposis (FAP), and MUTYH-associated polyposis (MAP) are well-characterized hereditary syndromes known to contribute to colorectal cancer predisposition. However, other inherited genetic factors beyond these established conditions remain underexplored. Recent advancements in next-generation sequencing (NGS) have facilitated the identification of germline pathogenic variants (gPV) in cancer predisposition genes, enhancing diagnostic and management strategies for hereditary CRC syndromes. Using this technology, this study aimed to investigate the genetic causes of CRC in 23 Turkish patients belonging to 23 different families.

methodsPatients with a personal or familial history of colorectal cancer (CRC) or polyposis were selected from a cohort of 54 individuals examined between 2019 and 2022. Genetic testing was performed using the TruSight

resultsA total of 23 variants were identified, including 10 pathogenic or likely pathogenic variants, 5 of which were novel. These germline pathogenic/likely pathogenic variants were detected in the key genes MLH1, MSH6, PMS2, and APC, which are associated with LS and FAP. Variants were also found in other genes, including FANCC, CHEK2, ATM, and MUC16. Additionally, 13 variants of uncertain significance (VUS) were identified, 5 of which were novel. These VUS were detected in the genes MUTYH (linked to MAP), ATR, XRCC3, PALB2, ATM, SYNE1, RAD51D, NF1, ABRAXAS1, ERBB2, FGFR, and CHEK2, necessitating further investigation to determine their potential role in CRC predisposition.

conclusionThese findings highlight the utility of NGS in identifying germline variants linked to hereditary CRC syndromes and emphasize the need for functional studies to assess the pathogenicity of VUS.

Indexed as

Colorectal cancer (CRC)Multigene testingNext-Generation sequencingPolyposisVariants of uncertain significance (VUS)

Identifiers

PMID41013697
PMCPMC12465344

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