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Circulating microRNAs as blood-based markers for patients with primary and metastatic breast cancer

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TLDR
This pilot study provides first evidence that tumor-associated circulating miRs are elevated in the blood of breast cancer patients and associated with tumor progression.
Abstract
Introduction MicroRNAs (miRs) are interesting new diagnostic targets that may provide important insights into the molecular pathogenesis of breast cancer. Here we evaluated, for the first time, the feasibility and clinical utility of circulating miRs as biomarkers for the detection and staging of breast cancer.

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Cell-free nucleic acids as biomarkers in cancer patients

TL;DR: Findings are discussed with a specific focus on the clinical utility of cell-free nucleic acids as blood biomarkers for cancer screening, prognosis and monitoring of the efficacy of anticancer therapies.
Journal ArticleDOI

Characterization of extracellular circulating microRNA

TL;DR: This is the first study to show that extracellular miRNAs are predominantly exosomes/microvesicles free and are associated with Ago proteins, and hypothesize that ext racellular miRNA are in the most part by-products of dead cells that remain in extrace cellular space due to the high stability of the Ago2 protein and Ago2-miRNA complex.
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Clinical relevance of circulating cell-free microRNAs in cancer

TL;DR: The latest developments in the use of circulating microRNAs as prognostic and predictive biomarkers are considered and their utility in personalized medicine is discussed.

MicroRNAs: Target Recognition and Regulatory Functions

TL;DR: In this article, a review outlines the current understanding of miRNA target recognition in animals and discusses the widespread impact of miRNAs on both the expression and evolution of protein-coding genes.
References
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Journal ArticleDOI

MicroRNAs: Target Recognition and Regulatory Functions

TL;DR: The current understanding of miRNA target recognition in animals is outlined and the widespread impact of miRNAs on both the expression and evolution of protein-coding genes is discussed.
Journal Article

Oncomirs : microRNAs with a role in cancer

TL;DR: I MicroRNAs (miRNAs) are an abundant class of small non-protein-coding RNAs that function as negative gene regulators as discussed by the authors, and have been shown to repress the expression of important cancer-related genes and might prove useful in the diagnosis and treatment of cancer.
Journal ArticleDOI

MicroRNA gene expression deregulation in human breast cancer.

TL;DR: It is shown that, compared with normal breast tissue, miRNAs are also aberrantly expressed in human breast cancer, and the overall miRNA expression could clearly separate normal versus cancer tissues, with the most significantly deregulated mi RNAs being mir-125b, mir-145, mir -21, and mir-155.
Journal ArticleDOI

The miR-200 family and miR-205 regulate epithelial to mesenchymal transition by targeting ZEB1 and SIP1.

TL;DR: It is found that all five members of the microRNA-200 family were markedly downregulated in cells that had undergone EMT in response to transforming growth factor (TGF)-β or to ectopic expression of the protein tyrosine phosphatase Pez, suggesting that downregulation of themicroRNAs may be an important step in tumour progression.
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