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Avčin SL, Črepinšek K, Jenko Bizjan B, Šket R, Kovač J, Vrhovšek B, Blazina J, Blatnik O, Kordič R, Kitanovski L, Jazbec J, Debeljak M, Tesovnik T. Integrative Transcriptomic Profiling of the Wilms Tumor. Cancers (Basel) 2023; 15:3846. [PMID: 37568662 PMCID: PMC10416970 DOI: 10.3390/cancers15153846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Our study aimed to identify relevant transcriptomic biomarkers for the Wilms tumor, the most common pediatric kidney cancer, independent of the histological type and stage. Using next-generation sequencing, we analyzed the miRNA profiles of 74 kidney samples, which were divided into two independent groups: fresh frozen tissue and formalin-fixed paraffin-embedded tissue samples. Subsequent mRNA expression profiling and pathway analysis were performed to establish the interplay and potential involvement of miRNAs and mRNA in the Wilms tumor. Comparative analysis, irrespective of post-dissection tissue processing, revealed 41 differentially expressed miRNAs, with 27 miRNAs having decreased expression and 14 miRNAs having increased expression in the Wilms tumor tissue compared to healthy kidney tissue. Among global mRNA transcriptomic profile differences, cross-sectional analysis suggested a limited list of genes potentially regulated by differentially expressed miRNAs in the Wilms tumor. This study identified the comprehensive miRNA and mRNA profile of the Wilms tumor using next-generation sequencing and bioinformatics approach, providing better insights into the pathogenesis of the Wilms tumor. The identified Wilms tumor miRNAs have potential as biomarkers for the diagnosis and treatment of the Wilms tumor, regardless of histological subtype and disease stage.
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Affiliation(s)
- Simona Lucija Avčin
- Department of Haematology and Oncology, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia; (S.L.A.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Klementina Črepinšek
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Barbara Jenko Bizjan
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Robert Šket
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Jernej Kovač
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Blaž Vrhovšek
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Jerca Blazina
- Department of Pathology, Institute of Oncology Ljubljana, 1000 Ljubljana, Slovenia
| | - Olga Blatnik
- Department of Pathology, Institute of Oncology Ljubljana, 1000 Ljubljana, Slovenia
| | - Robert Kordič
- Department of Pediatric Surgery, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Lidija Kitanovski
- Department of Haematology and Oncology, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia; (S.L.A.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Janez Jazbec
- Department of Haematology and Oncology, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia; (S.L.A.)
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Maruša Debeljak
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
| | - Tine Tesovnik
- Institute of Special Laboratory Diagnostic, University Children’s Hospital, University Medical Centre Ljubljana (UMC), 1000 Ljubljana, Slovenia
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