Noncoding RNAs in Renal Cell Carcinoma Landscape

A special issue of Cancers (ISSN 2072-6694). This special issue belongs to the section "Cancer Biomarkers".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 6831

Special Issue Editors


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Guest Editor
Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP) & RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal
Interests: biology; genetics and epigenetics; molecular biology; extracellular vesicles and biological sciences; health; oncology
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP) & RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal
Interests: biochemistry; genetics and epigenetics; molecular biology; extracellular vesicles; medicine pharmacology and biological sciences

E-Mail Website
Guest Editor
Molecular Oncology and Viral Pathology Group, IPO Porto Research Center (CI-IPOP), Portuguese Oncology Institute of Porto (IPO Porto), 4200-072 Porto, Portugal
Interests: molecular oncology; cancer cachexia; precision medicine; pharmacogenomics; prognostic biomarkers; predictive biomarkers; microRNAs; genetic polymorphism; viral nucleic acids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

In recent years, accumulating evidence has highlighted that noncoding RNAs are key regulators of gene expression in the development of several diseases, including cancer.

In fact, it is now known that approximately 90% of the human genome can be transcribed into RNA transcripts, which opens the door for innumerous possibilities that can allow for a better understanding of the regulatory mechanisms behind cancer development. The majority of RNAs transcripts are noncoding RNAs, which include housekeeping ncRNAs such as transfer RNAs (tRNAs), ribosomal RNAs (rRNAs), and snoRNAs as well as regulatory ncRNAs including microRNAs (miRNAs), small interfering RNAs (siRNAs), small nuclear RNAs (snRNAs), circular RNAs, and long noncoding RNAs (lncRNAs).

Recent genomic data have demonstrated high molecular heterogeneity in renal cell carcinoma (RCC) which may be an explanation for the variable clinical outcomes in this type of cancer. Despite the significant progress in the understanding of the molecular biology and pathology of RCC, the prediction of outcomes for individual patients still remains a challenge in the field.

This Special Issue aims to provide a comprehensive overview of the impact of noncoding RNAs on RCC development and progression by considering their association with key features of RCC, namely microenvironment, drug resistance, metabolism, angiogenesis, metastatic process, and immune response.

We encourage studies that suggest noncoding RNAs as potential biomarkers for RCC development, progression, and therapy response.

Prof. Dr. Rui Medeiros
Dr. Ana Luísa Teixeira
Dr. Francisca Dias
Guest Editors

Manuscript Submission Information

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Published Papers (2 papers)

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12 pages, 2375 KiB  
Article
CircEHD2, CircNETO2 and CircEGLN3 as Diagnostic and Prognostic Biomarkers for Patients with Renal Cell Carcinoma
by Lisa Frey, Niklas Klümper, Doris Schmidt, Glen Kristiansen, Marieta Toma, Manuel Ritter, Abdullah Alajati and Jörg Ellinger
Cancers 2021, 13(9), 2177; https://doi.org/10.3390/cancers13092177 - 30 Apr 2021
Cited by 18 | Viewed by 1822
Abstract
Background: Circular RNA (circRNA) plays an important role in the carcinogenesis of various tumors. It is assumed that circRNAs have a high tissue and tumor specificity, thus they are discussed as cancer biomarkers. The knowledge about circRNAs in clear cell renal carcinoma (ccRCC) [...] Read more.
Background: Circular RNA (circRNA) plays an important role in the carcinogenesis of various tumors. It is assumed that circRNAs have a high tissue and tumor specificity, thus they are discussed as cancer biomarkers. The knowledge about circRNAs in clear cell renal carcinoma (ccRCC) is limited so far, and thus we studied the expression profile of seven circRNAs (circCOL5A1, circEHD2, circEDEM2, circEGNL3, circNETO2, circSCARB1, circSOD2) in a cohort of ccRCC patients. Methods: Fresh-frozen normal and cancerous tissues were prospectively collected from patients with ccRCC undergoing partial/radical nephrectomy. Total RNA was isolated from 121 ccRCC and 91 normal renal tissues, and the circRNA expression profile was determined using quantitative real-time PCR. Results: circEHD2, circENGLN3, and circNETO2 were upregulated in ccRCC compared with non-malignant renal tissue. circENGLN3 expression was highly discriminative between normal and cancerous tissue. None of the circRNAs was correlated with clinicopathological parameters. High circEHD2 and low circNETO2 levels were an independent predictor of a shortened progression-free survival, cancer-specific survival, and overall survival in patients with ccRCC undergoing nephrectomy. Conclusions: The analysis of circRNAs may provide diagnostic and prognostic information. Thus, circRNAs could help to optimize the individual treatment and ultimately improve ccRCC patients’ survival. Full article
(This article belongs to the Special Issue Noncoding RNAs in Renal Cell Carcinoma Landscape)
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17 pages, 7873 KiB  
Article
Extracellular Vesicles Enriched in hsa-miR-301a-3p and hsa-miR-1293 Dynamics in Clear Cell Renal Cell Carcinoma Patients: Potential Biomarkers of Metastatic Disease
by Francisca Dias, Ana Luísa Teixeira, Inês Nogueira, Mariana Morais, Joana Maia, Cristian Bodo, Marta Ferreira, Alexandra Silva, Manuela Vilhena, João Lobo, José Pedro Sequeira, Joaquina Maurício, Jorge Oliveira, Klaas Kok, Bruno Costa-Silva and Rui Medeiros
Cancers 2020, 12(6), 1450; https://doi.org/10.3390/cancers12061450 - 02 Jun 2020
Cited by 34 | Viewed by 4292
Abstract
Clear cell renal cell carcinoma (ccRCC) is the most aggressive subtype of kidney cancer and up to 40% of patients submitted to surgery with a curative intent will relapse. Thus, the aim of this study was to analyze the applicability of an Extracellular [...] Read more.
Clear cell renal cell carcinoma (ccRCC) is the most aggressive subtype of kidney cancer and up to 40% of patients submitted to surgery with a curative intent will relapse. Thus, the aim of this study was to analyze the applicability of an Extracellular vesicle (EV) derived miRNA profile as potential prognosis biomarkers in ccRCC patients. We analyzed a nine-miRNA profile in plasma EVs from 32 ccRCC patients with localized disease (before and after surgery) and in 37 patients with metastatic disease. We observed that the levels of EV-derived hsa-miR-25-3p, hsa-miR-126-5p, hsa-miR-200c-3p, and hsa-miR-301a-3p decreased after surgery, whereas hsa-miR-1293 EV-levels increased. Furthermore, metastatic patients presented higher levels of hsa-miR-301a-3p and lower levels of hsa-miR-1293 when compared to patients with localized disease after surgery. Functional enrichment analysis of the targets of the four miRNAs that decreased after surgery resulted in an enrichment of terms related to cell cycle, proliferation, and metabolism, suggesting that EV-miRNA enrichment in the presence of the tumor could represent an epigenetic mechanism to sustain tumor development. Taken together, these results suggest that EVs content varies depending on the presence or absence of the disease and that an increase of EV-derived hsa-miR-301a-3p, and decrease of EV-derived hsa-miR-1293, may be potential biomarkers of metastatic ccRCC. Full article
(This article belongs to the Special Issue Noncoding RNAs in Renal Cell Carcinoma Landscape)
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