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MicroRNAs as B-cell lymphoma biomarkers

Authors Manterola L, Fernandez-Mercado M, Larrea E, Goicoechea I, Arestin M, Armesto M, Hernandez L, Lawrie CH

Received 29 November 2014

Accepted for publication 30 December 2014

Published 4 February 2015 Volume 2015:5 Pages 25—34


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Professor David Dingli

Lorea Manterola,1 Marta Fernandez-Mercado,1 Erika Larrea,1 Ibai Goicoechea,1 María Arestin,1 María Armesto,1 Luiza Hernandez,1 Charles H Lawrie1,2,3

1Oncology Area, Biodonostia Research Institute, San Sebastián, Spain; 2Nuffield Department of Clinical Laboratory Sciences, University of Oxford, Oxford, UK; 3Ikerbasque, Basque Foundation for Science, Bilbao, Spain

Abstract: B-cell lymphomas represent a group of more than 35 recognized mature B-cell neoplasms differentiated largely on the basis of immunohistochemical staining patterns that are often challenging to accurately diagnose. Despite having been only formally recognized just over 10 years ago, microRNAs (miRNAs) have become one of the trendiest topics in biology. Dysregulation of miRNAs is a ubiquitous feature of cancer in general, including B-cell lymphomas. Many of the miRNAs aberrantly expressed in B-cell lymphomas also play a crucial regulatory role in normal hematopoietic function. MiRNAs show great potential as novel biomarkers of cancer, as they can differentiate cancers according to diagnosis and developmental stage, even discriminating between cancers that are poorly separated histologically. Furthermore, they can be robustly measured from routinely prepared formalin-fixed paraffin-embedded biopsy material and biological fluids such as blood. Here, we consider the identity, function, and biomarker potential of miRNAs in B-cell lymphomas and, most importantly, the hurdles that remain to be overcome if they are really to become part of future clinical practice.

Keywords: microRNA, lymphoma, biomarker, B-cell

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