Article: Development of a custom next-generation sequencing panel for the determination of bladder cancer risk in a Tunisian cohort [Erratum: February 2022, v.49(2); p.1259]
Molecular biology reports. 2022 Feb., v. 49, no. 2
2022
Abstract: BACKGOUND: Bladder cancer (BCa) is a heterogeneous disease caused by the interaction between environmental and genetic risk factors. The goal of this case–control study was to evaluate the implication of a selected SNP panel in the risk of BCa ... ...
| Abstract | BACKGOUND: Bladder cancer (BCa) is a heterogeneous disease caused by the interaction between environmental and genetic risk factors. The goal of this case–control study was to evaluate the implication of a selected SNP panel in the risk of BCa development in a Tunisian cohort. We were also interested in studying the interaction between this predictive panel and environmental risk factors. METHODS: The case/control cohort was composed with 249 BCa cases and 255 controls. The designed Bladder cancer hereditary panel (BCHP) was composed of 139 selected variants. These variants were genotyped by an amplification-based targeted Next-Generation Sequencing (NGS) on the Ion Torrent Proton sequencer (Life Technologies, Ion Torrent technology). RESULTS: We have found that rs162555, rs2228000, rs10936599, rs710521, rs3752645, rs804276, rs4639, rs4881400 and rs288980 were significantly associated with decreased risk of bladder cancer. However the homozygous genotypes for VPS37C (rs7104333, A/A), MPG (rs1013358, C/C) genes or the heterozygous genotype for ARNT gene (rs1889740, rs2228099, rs2256355, rs2864873), GSTA4 (rs17614751) and APOBR/IL27 (rs17855750) were significantly associated with increased risk of bladder cancer development compared to reference group (OR 2.53, 2.34, 1.99, 2.00, 2.00, 1.47, 1.96 and 2.27 respectively). We have also found that non–smokers patients harboring heterozygous genotypes for ARNT/rs2864873 (A > G), ARNT/ rs1889740 (C > T) or GSTA4/rs17614751 (G–A) were respectively at 2.775, 3.069 and 6.608-fold increased risk of Bca development compared to non-smokers controls with wild genotypes. Moreover the ARNT CT (rs1889740), ARNT CG (rs2228099), ARNT TC (rs2864873) and GSS GA genotypes were associated with an increased risk of BCa even in absence of professional risk factors. Finally the decision-tree analysis produced a three major BCa classes. These three classes were essentially characterized by an intensity of tobacco use more than 20 pack years (PY) and the CYP1A2 (rs762551) genotype. CONCLUSIONS: The determined association between environmental factors, genetic variations and the risk of Bca development may provide additional information to urologists that may help them for clinical assessment and treatment decisions. Nevertheless, the underlying mechanisms through which these genes or SNPs affect the clinical behavior of BCas require further studies. |
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| Keywords | carcinogenesis ; case-control studies ; decision support systems ; genes ; genotyping ; heterozygosity ; homozygosity ; molecular biology ; risk reduction ; tobacco use ; urinary bladder neoplasms |
| Language | English |
| Dates of publication | 2022-02 |
| Size | p. 1233-1258. |
| Publishing place | Springer Netherlands |
| Document type | Article |
| ZDB-ID | 186544-4 |
| ISSN | 1573-4978 ; 0301-4851 |
| ISSN (online) | 1573-4978 |
| ISSN | 0301-4851 |
| DOI | 10.1007/s11033-021-06951-4 |
| Database | NAL-Catalogue (AGRICOLA) |
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