Analysis of molecular mechanisms and anti-tumoural effects of zoledronic acid in breast cancer cells

Viviana Bazan, Stefano Caruso, Antonio Russo, Naomi Margarese, Daniele Fanale, Francesca Di Gaudio, Marianna Terrasi, Valeria Amodeo, Antonio Russo, Daniele Santini, Lavinia Insalaco, Lidia Rita Corsini

Risultato della ricerca: Articlepeer review

25 Citazioni (Scopus)


Zoledronic acid (ZOL) is the most potent nitrogen-containing bisphosphonate (N-BPs) that strongly binds to bone mineral and acts as a powerful inhibitor of bone resorption, already clinically available for the treatment of patients with osteolytic metastases. Recent data also suggest thatZOL, used in breast cancer, may provide more than just supportive care modifying the course of the disease, though the possible molecularmechanism of action is still unclear. As breast cancer is one of the primary tumours with high propensity to metastasize to the bone, we investigated, for the first time, differential gene expression profile on Michigan Cancer Foundation-7 (MCF-7) breast cancer cells treated with lowdoses of ZOL (10 lM). Microarrays analysis was used to identify, describe and summarize evidence regarding the molecular basis of actions ofZOL and of their possible direct anti-tumour effects. We validated gene expression results of specific transcripts involved in major cellular process by Real Time and Western Blot analysis and we observed inhibition of proliferation and migration through 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) and Matrigel assay. We then focused on changes in the cytoskeletal components as fibronectin 1 (FN1),actin, and anti angiogenic compounds as transforming growth factor-b1 (TGF-b1) and thrombospondin 1 (THBS1). The up-regulation of theseproducts may have an important role in inhibiting proliferation, invasion and angiogenesis mediated by ZOL.
Lingua originaleEnglish
pagine (da-a)2186-2195
Numero di pagine10
RivistaJournal of Cellular and Molecular Medicine
Stato di pubblicazionePublished - 2012

All Science Journal Classification (ASJC) codes

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