Non-coding RNAs in Cancer Diagnosis and Therapy

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Molecular Medicine".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 8553

Special Issue Editor


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Guest Editor
Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
Interests: molecular and cell immunology; non-coding RNA; extracellular vesicles; tumor microenvironment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Non-coding RNAs (ncRNAs) are RNA molecules that do not encode proteins and transcribed from the non-exonic DNA sequences that account for up to 97% of the human genome. Based on their length (200-ribonucleotide cut-off), ncRNAs can be categorized into two major groups: small ncRNAs and long ncRNAs (lncRNAs). The group of small ncRNAs includes microRNAs (miRNAs), small interfering RNAs (siRNAs), small nuclear RNAs (snRNAs), small nucleolar RNAs (snoRNAs), and P-element-induced wimpy testis (piwi)-interacting RNAs (piwiRNAs). The group of lncRNAs includes RNA molecules with more heterogeneous sizes, ranging from 200 to tens of thousands of ribonucleotides. To date, miRNAs and lncRNAs are the most extensively studied classes of ncRNAs, as they play an important role in the regulation of biological processes of cells. Aberrant expression of miRNAs and lncRNAs is often observed in cancer and they play a relevant role in the development and progression of cancer. The past decade witnessed an increasing interest in the study of miRNAs and lncRNAs as potential tumor biomarkers to predict clinical outcome and response to therapy and as potential targets for the development of RNA-based therapeutics. In particular, due to their stability in the blood (encapsulation inside macrovesicles and associated with proteins in RNA–protein complexes or high-density lipoproteins (HDLs)), particular effort has been made to develop tumor biomarkers using liquid biopsies. Furthermore, the use of RNA-based molecules may represent an important therapeutic strategy to target cancer pathways that are undruggable by standard therapies.

The aim of this Special Issue of Biomolecules is to present a collection of articles describing recent advancements in the use of ncRNAs in cancer diagnosis and therapy.

Dr. Simone Anfossi
Guest Editor

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Keywords

  • non-coding RNA
  • tumor biomarkers
  • liquid biopsis
  • therapeutic RNA-based molecules

Published Papers (3 papers)

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Research

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15 pages, 9207 KiB  
Article
Lack of Conserved miRNA Deregulation in HPV-Induced Squamous Cell Carcinomas
by Jaroslav Nunvar, Lucie Pagacova, Zuzana Vojtechova, Nayara Trevisan Doimo de Azevedo, Jana Smahelova, Martina Salakova and Ruth Tachezy
Biomolecules 2021, 11(5), 764; https://doi.org/10.3390/biom11050764 - 20 May 2021
Cited by 5 | Viewed by 2500
Abstract
Squamous cell carcinomas (SCCs) in the anogenital and head and neck regions are associated with high-risk types of human papillomaviruses (HR-HPV). Deregulation of miRNA expression is an important contributor to carcinogenesis. This study aimed to pinpoint commonly and uniquely deregulated miRNAs in cervical, [...] Read more.
Squamous cell carcinomas (SCCs) in the anogenital and head and neck regions are associated with high-risk types of human papillomaviruses (HR-HPV). Deregulation of miRNA expression is an important contributor to carcinogenesis. This study aimed to pinpoint commonly and uniquely deregulated miRNAs in cervical, anal, vulvar, and tonsillar tumors of viral or non-viral etiology, searching for a common set of deregulated miRNAs linked to HPV-induced carcinogenesis. RNA was extracted from tumors and nonmalignant tissues from the same locations. The miRNA expression level was determined by next-generation sequencing. Differential expression of miRNAs was calculated, and the patterns of miRNA deregulation were compared between tumors. The total of deregulated miRNAs varied between tumors of different locations by two orders of magnitude, ranging from 1 to 282. The deregulated miRNA pool was largely tumor-specific. In tumors of the same location, a low proportion of miRNAs were exclusively deregulated and no deregulated miRNA was shared by all four types of HPV-positive tumors. The most significant overlap of deregulated miRNAs was found between tumors which differed in location and HPV status (HPV-positive cervical tumors vs. HPV-negative vulvar tumors). Our results imply that HPV infection does not elicit a conserved miRNA deregulation in SCCs. Full article
(This article belongs to the Special Issue Non-coding RNAs in Cancer Diagnosis and Therapy)
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Review

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16 pages, 2719 KiB  
Review
Circulating microRNAs for Early Diagnosis of Ovarian Cancer: A Systematic Review and Meta-Analysis
by Nanna Lond Skov Frisk, Anja Elaine Sørensen, Ole Birger Vesterager Pedersen and Louise Torp Dalgaard
Biomolecules 2023, 13(5), 871; https://doi.org/10.3390/biom13050871 - 22 May 2023
Cited by 5 | Viewed by 2006
Abstract
In this study, we conducted a systematic review and meta-analysis to summarize and evaluate the global research potential of different circulating miRNAs as an early diagnostic biomarker for OC. A systematic literature search for relevant studies was conducted in June 2020 and followed [...] Read more.
In this study, we conducted a systematic review and meta-analysis to summarize and evaluate the global research potential of different circulating miRNAs as an early diagnostic biomarker for OC. A systematic literature search for relevant studies was conducted in June 2020 and followed up in November 2021. The search was conducted in English databases (PubMed, ScienceDirect). The primary search resulted in a total of 1887 articles, which were screened according to the prior established inclusion and exclusion criteria. We identified 44 relevant studies, of which 22 were eligible for the quantitative meta-analysis. Statistical analysis was performed using the Meta-package in Rstudio. Standardized mean differences (SMD) of relative levels between control subjects and OC patients were used to evaluate the differential expression. All studies were quality evaluated using a Newcastle–Ottawa Scale. Based on the meta-analysis, nine miRNAs were identified as dysregulated in OC patients compared to controls. Nine were upregulated in OC patients compared to controls (miR-21, -125, -141, -145, -205, -328, -200a, -200b, -200c). Furthermore, miR-26, -93, -106 and -200a were analyzed, but did not present an overall significant difference between OC patients and controls. These observations should be considered when performing future studies of circulating miRNAs in relation to OC: sufficient size of clinical cohorts, development of consensus guidelines for circulating miRNA measurements, and coverage of previously reported miRNAs. Full article
(This article belongs to the Special Issue Non-coding RNAs in Cancer Diagnosis and Therapy)
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12 pages, 538 KiB  
Review
lncRNA PVT1 in the Pathogenesis and Clinical Management of Renal Cell Carcinoma
by Julia Bohosova, Adela Kubickova and Ondrej Slaby
Biomolecules 2021, 11(5), 664; https://doi.org/10.3390/biom11050664 - 29 Apr 2021
Cited by 20 | Viewed by 3294
Abstract
LncRNA PVT1 (plasmacytoma variant translocation 1) has become a staple of the lncRNA profile in patients with renal cell carcinoma (RCC). Common dysregulation in renal tumors outlines the essential role of PVT1 in the development of RCC. There is already a plethora of [...] Read more.
LncRNA PVT1 (plasmacytoma variant translocation 1) has become a staple of the lncRNA profile in patients with renal cell carcinoma (RCC). Common dysregulation in renal tumors outlines the essential role of PVT1 in the development of RCC. There is already a plethora of publications trying to uncover the cellular mechanisms of PVT1-mediated regulation and its potential exploitation in management of RCC. In this review, we summarize the literature focused on PVT1 in RCC and aim to synthesize the current knowledge on its role in the cells of the kidney. Further, we provide an overview of the lncRNA profiling studies that have identified a more or less significant association of PVT1 with the clinical behavior of RCC. Based on our search, we analyzed the 17 scientific papers discussed in this review that provide robust support for the indispensable role of PVT1 in RCC development and future personalized therapy. Full article
(This article belongs to the Special Issue Non-coding RNAs in Cancer Diagnosis and Therapy)
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