This study was funded by the Basque Government
(IT989-16), and UPV/EHU (UFI11/35). The funding
source did not have any role in study design, collection,
analysis and interpretation of data, writing of the report,
or decision to submit the article for publication

Arzuaga Mendez, Javier

García-Orad Carles, África

Larrabeiti Etxebarria, Ane

López López, Elixabet

López Santillán, María

Oncotarget

Diffuse large B-cell lymphoma (DLBCL) is an aggressive and heterogeneous malignancy, with highly variable outcomes among patients. Although classification and prognostic tools have been developed, standard therapy still fails in 30-40% of patients. Hence, identification of novel biomarkers is needed. Recently, circulating microRNAs (miRNAs) have been suggested as non-invasive biomarkers in cancer. Our aim was to review the potential role of circulating miRNAs as biomarkers for diagnosis, classification, prognosis, and treatment response in DLBCL.

We performed a search in PubMed using the terms [((‘Non-coding RNA’) OR (‘microRNA’ OR ‘miRNA’ OR ‘miR’) OR (‘exosome’) OR (‘extracellular vesicle’) OR (‘secretome’)) AND (‘Diffuse large B cell lymphoma’ OR ‘DLBCL’)] to identify articles that evaluated the impact of circulating miRNAs as diagnosis, subtype, treatment response or prognosis biomarkers in DLBCL in human population.

Among the twelve articles that met the inclusion criteria, eleven considered circulating miRNAs as biomarkers for diagnosis, two for classification, and five for prognosis or treatment response. The limited number of studies performed and lack of consistency in results make it difficult to draw conclusions about the role of circulating miRNAs as non-invasive biomarkers in DLBCL. Although the preliminary associations observed seem promising, the only consistent result is the upregulation of mir-21 in DLBCL patients, which could be a biomarker for diagnosis. Further studies are needed.This study was funded by the Basque Government
(IT989-16), and UPV/EHU (UFI11/35). The funding
source did not have any role in study design, collection,
analysis and interpretation of data, writing of the report,
or decision to submit the article for publication

Circulating MiRNAs As Biomarkers In Diffuse Large B-Cell lymphoma: A Systematic Review

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