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- W2616362023 abstract "// Sergio Rizzo 1, * , Antonina Cangemi 1, * , Antonio Galvano 1, * , Daniele Fanale 1 , Silvio Buscemi 2 , Marcello Ciaccio 3 , Antonio Russo 1 , Sergio Castorina 4, 5, # and Viviana Bazan 1, # 1 Department of Surgical, Oncological and Oral Sciences, Section of Medical Oncology, University of Palermo, Palermo, Italy 2 Department of Internal and Specialistic Medicine (DIBIMIS), Laboratory of Clinical Nutrition, University of Palermo, Palermo, Italy 3 Section of Clinical Biochemistry and Clinical Molecular Medicine, Department of Biopathology and Medical Biotechnology, University of Palermo, U.O.C. Laboratory Medicine, Policlinico University Hospital, Palermo, Italy 4 Fondazione Mediterranea G.B. Morgagni, Catania, Italy 5 Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy * These authors contributed equally to this work # These authors contributed equally to this work and co-last authors Correspondence to: Antonio Russo, email: antonio.russo@usa.net Keywords: chemotherapy response, doxorubicin, microRNAs, short term starvation, triple negative breast cancer cells Received: April 13, 2017 Accepted: May 09, 2017 Published: May 19, 2017 ABSTRACT Recent studies showed that dietary approaches restricting food intake can be helpful to hinder tumor progression. To date, the molecular mechanisms are unclear and a key role seems to be exerted by nutrient-related signaling pathways. Since several evidences showed that non-coding small RNAs, including microRNAs, are correlated to cancer progression and antiblastic treatment response, our work aims to study their involvement in a triple negative breast cancer (TNBC) cell line treated with doxorubicin under Short Term Starvation (STS) condition. Human TNBC cell line MDA-MB-231 and healthy breast cell line MCF10A were treated with 1 μM doxorubicin for 24 h under STS condition for 48 h and miRNA expression profiles were analyzed using Taqman ® Low Density Array A human microRNA microfluidic cards. In addition, the expression of specific mRNAs and miRNAs differentially expressed under STS was analyzed using Real-time PCR analyses. MiRNA expression profile analysis in MDA-MB-231 and MCF10A cells treated with doxorubicin under STS for 48 h could explain the molecular mechanisms underlying anticancer effects associated to STS. Among deregulated miRNAs, a subset, including miR-15b, miR-23a, miR-26a, miR-29a, miR-106b, miR-128, miR-149, miR-181a, miR-192, miR-193b, miR-195, miR-324-3p and miR-494, has been shown to be involved in pathways related to drug sensitivity/resistance. The obtained data from our study suggest a potential involvement of some miRNAs in molecular pathways mediating the anticancer effects of STS in doxorubicin-treated breast cancer cells. Preliminary results seem to be encouraging and, in future, could allow the discovery of new potential targets useful for the development of new therapeutic approaches." @default.
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- W2616362023 date "2017-05-19" @default.
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- W2616362023 title "Analysis of miRNA expression profile induced by short term starvation in breast cancer cells treated with doxorubicin" @default.
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- W2616362023 doi "https://doi.org/10.18632/oncotarget.18028" @default.
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