Oncotarget

Reviews:

The MYC/miR-17-92 axis in lymphoproliferative disorders: A common pathway with therapeutic potential

Michele Dal Bo _, Riccardo Bomben, Luis Hernández and Valter Gattei

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Oncotarget. 2015; 6:19381-19392. https://doi.org/10.18632/oncotarget.4574

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Abstract

Michele Dal Bo1,*, Riccardo Bomben1,*, Luis Hernández2, Valter Gattei1

1Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico, I.R.C.C.S., Aviano PN, Italy

2Department of Pathology, Hospital Clinic, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain

*These authors have contributed equally to this work

Correspondence to:

Michele Dal Bo, e-mail: mdalbo@cro.it

Valter Gattei, e-mail: vgattei@cro.it

Keywords: miR-17-92 cluster, lymphoproliferative disorders, anti-miRNA based target therapy

Received: May 27, 2015     Accepted: July 10, 2015     Published: July 21, 2015

ABSTRACT

MicroRNAs (miRNAs) represent a class of small non-coding single-stranded RNA molecules acting as master regulators of gene expression post transcriptionally by inhibiting the translation or inducing the degradation of target messenger RNAs (mRNAs). In particular, the miR-17-92 cluster is widely expressed in many different cell types and is essential for many developmental and pathogenic processes. As a strong oncogene, miR-17-92 can regulate multiple cellular processes that favor malignant transformation, promoting cell survival, rapid cell proliferation, and increased angiogenesis. The miR-17-92 cluster has been reported to be involved in hematopoietic malignancies including diffuse large B-cell lymphoma, mantle cell lymphoma, Burkitt’s lymphoma, and chronic lymphocytic leukemia. Given the multiple and potent effects on cellular proliferation and apoptosis exerted by the miR-17-92 cluster, miRNAs belonging to the cluster surely represent attractive targets for cancer therapy also in the context of lymphoproliferative disorders. In the present review, we focus on the role of the miR-17-92 cluster in lymphoproliferative disorders, including diagnostic/prognostic implications, and on the potential applications of anti-miRNAs based therapies targeting miRNAs belonging to the cluster.


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