Dataset Information

The circulating non-coding RNA landscape for biomarker research: lessons and prospects from cardiovascular diseases.

ABSTRACT: Pervasive transcription of the human genome is responsible for the production of a myriad of non-coding RNA molecules (ncRNAs) some of them with regulatory functions. The pivotal role of ncRNAs in cardiovascular biology has been unveiled in the last decade, starting from the characterization of the involvement of micro-RNAs in cardiovascular development and function, and followed by the use of circulating ncRNAs as biomarkers of cardiovascular diseases. The human non-coding secretome is composed by several RNA species that circulate in body fluids and could be used as biomarkers for diagnosis and outcome prediction. In cardiovascular diseases, secreted ncRNAs have been described as biomarkers of several conditions including myocardial infarction, cardiac failure, and atrial fibrillation. Among circulating ncRNAs, micro-RNAs (miRNAs), long noncoding RNAs (lncRNAs) and circular RNAs (circRNAs) have been proposed as biomarkers in different cardiovascular diseases. In comparison with standard biomarkers, the biochemical nature of ncRNAs offers better stability and flexible storage conditions of the samples, and increased sensitivity and specificity. In this review we describe the current trends and future prospects of the use of the ncRNA secretome components as biomarkers of cardiovascular diseases, including the opening questions related with their secretion mechanisms and regulatory actions.

SUBMITTER: E S

PROVIDER: S-EPMC6289369 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature

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The circulating non-coding RNA landscape for biomarker research: lessons and prospects from cardiovascular diseases.

E Stępień S Costa Marina C MC Kurc Szczepan S Drożdż Anna A Cortez-Dias Nuno N Enguita Francisco J FJ

Acta pharmacologica Sinica 20180607 7

Pervasive transcription of the human genome is responsible for the production of a myriad of non-coding RNA molecules (ncRNAs) some of them with regulatory functions. The pivotal role of ncRNAs in cardiovascular biology has been unveiled in the last decade, starting from the characterization of the involvement of micro-RNAs in cardiovascular development and function, and followed by the use of circulating ncRNAs as biomarkers of cardiovascular diseases. The human non-coding secretome is composed ...[more]

PMID: 29877319

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Project description:Due to the positive association between neoadjuvant chemotherapy (NACT) and the promising early response rates of patients with triple negative breast cancer (TNBC), including probabilities of pathological complete response, NACT is increasingly used in TNBC management. Liquid biopsy‑based biomarkers with the power to diagnose the early response to NACT may support established monitoring tools, which are to a certain extent imprecise and costly. Simple serum‑ or urine‑based analyses of non‑coding RNA (ncRNA) expression may allow for fast, minimally‑invasive testing and timely adjustment of the therapy regimen. The present study investigated breast cancer‑related ncRNAs [microRNA (miR)‑7, ‑9, ‑15a, ‑17, ‑18a, ‑19b, ‑21, ‑30b, ‑222 and ‑320c, PIWI‑interacting RNA‑36743 and GlyCCC2] in triple positive BT‑474 cells and three TNBC cell lines (BT‑20, HS‑578T and MDA‑MB‑231) treated with various chemotherapeutic agents using reverse transcription‑quantitative PCR. Intracellular and secreted microvesicular ncRNA expression levels were analysed using a multivariable statistical regression analysis. Chemotherapy‑driven effects were investigated by analysing cell cycle determinants at the mRNA and protein levels. Serum and urine specimens from 8 patients with TNBC were compared with 10 healthy females using two‑sample t‑tests. Samples from the patients with TNBC were compared at two time points. Chemotherapeutic treatments induced distinct changes in ncRNA expression in TNBC cell lines and the BT‑474 cell line in intra‑ and extracellular compartments. Serum and urine‑based ncRNA expression analysis was able to discriminate between patients with TNBC and controls. Time point comparisons in the urine samples of patients with TNBC revealed a general rise in the level of ncRNA. Serum data suggested a potential association between piR‑36743, miR‑17, ‑19b and ‑30b expression levels and an NACT‑driven complete clinical response. The present study highlighted the potential of ncRNAs as liquid biopsy‑based biomarkers in TNBC chemotherapy treatment. The ncRNAs tested in the present study have been previously investigated for their involvement in BC or TNBC chemotherapy responses; however, these previous studies were restricted to patient tissue or in vitro models. The data from the present study offer novel insight into ncRNA expression in liquid samples from patients with TNBC, and the study serves as an initial step in the evaluation of ncRNAs as diagnostic biomarkers in the monitoring of TNBC therapy.

Dataset Information

The circulating non-coding RNA landscape for biomarker research: lessons and prospects from cardiovascular diseases.

Publications

The circulating non-coding RNA landscape for biomarker research: lessons and prospects from cardiovascular diseases.

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