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Nutrients 2016, 8(10), 611;

Antiproliferative and Antiangiogenic Effects of Punica granatum Juice (PGJ) in Multiple Myeloma (MM)

Section of Hematology, Department of Surgery and Medical Specialties, University of Catania, Catania 95125, Italy
Department of Biological, Geological and Environmental Sciences, University of Catania, Catania 95125, Italy
Department of Biomedical and Biotechnological Sciences, University of Catania, Catania 95125, Italy
Institute for Agricultural and Forest Systems in the Mediterranean, National Research Council, Catania 95125, Italy
These authors contributed equally to this work.
Author to whom correspondence should be addressed.
Received: 15 July 2016 / Revised: 11 September 2016 / Accepted: 13 September 2016 / Published: 1 October 2016
(This article belongs to the Special Issue Polyphenols for Cancer Treatment or Prevention)
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Multiple myeloma (MM) is a clonal B-cell malignancy characterized by an accumulation of clonal plasma cells (PC) in the bone marrow (BM) leading to bone destruction and BM failure. Despite recent advances in pharmacological therapy, MM remains a largely incurable pathology. Therefore, novel effective and less toxic agents are urgently necessary. In the last few years, pomegranate has been studied for its potential therapeutic properties including treatment and prevention of cancer. Pomegranate juice (PGJ) contains a number of potential active compounds including organic acids, vitamins, sugars, and phenolic components that are all responsible of the pro-apoptotic effects observed in tumor cell line. The aim of present investigation is to assess the antiproliferative and antiangiogenic potential of the PGJ in human multiple myeloma cell lines. Our data demonstrate the anti-proliferative potential of PGJ in MM cells; its ability to induce G0/G1 cell cycle block and its anti-angiogenic effects. Interestingly, sequential combination of bortezomib/PGJ improved the cytotoxic effect of the proteosome inhibitor. We investigated the effect of PGJ on angiogenesis and cell migration/invasion. Interestingly, we observed an inhibitory effect on the tube formation, microvessel outgrowth aorting ring and decreased cell migration and invasion as showed by wound-healing and transwell assays, respectively. Analysis of angiogenic genes expression in endothelial cells confirmed the anti-angiogenic properties of pomegranate. Therefore, PGJ administration could represent a good tool in order to identify novel therapeutic strategies for MM treatment, exploiting its anti-proliferative and anti-angiogenic effects. Finally, the present research supports the evidence that PGJ could play a key role of a future therapeutic approach for treatment of MM in order to optimize the pharmacological effect of bortezomib, especially as adjuvant after treatment. View Full-Text
Keywords: Punica granatum juice; multiple myeloma; proliferation; angiogenesis Punica granatum juice; multiple myeloma; proliferation; angiogenesis

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Tibullo, D.; Caporarello, N.; Giallongo, C.; Anfuso, C.D.; Genovese, C.; Arlotta, C.; Puglisi, F.; Parrinello, N.L.; Bramanti, V.; Romano, A.; Lupo, G.; Toscano, V.; Avola, R.; Brundo, M.V.; Di Raimondo, F.; Raccuia, S.A. Antiproliferative and Antiangiogenic Effects of Punica granatum Juice (PGJ) in Multiple Myeloma (MM). Nutrients 2016, 8, 611.

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