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lüll Everolimus and zoledronic acid--a potential synergistic treatment for lung adenocarcinoma bone metastasis Yu Y; Song Z; Yang S; Yang X; Zhang J; Lu SActa Biochim Biophys Sin (Shanghai) 2014[Sep]; 46 (9): 792-801Non-small-cell lung cancer (NSCLC) frequently metastasizes to bone. It is known that zoledronic acid is cytostatic to tumors, and everolimus, the inhibitor for mammalian target of the rapamycin, could inhibit many types of cancer. Herein, we evaluated the effect of zoledronic acid alone and in combination with everolimus on treating lung adenocarcinoma bone metastasis in vitro and in vivo. Mice treated with zoledronic acid in combination with everolimus had more apoptotic lung cancer cells and more cells were arrested in the G1/G0 phase. The phosphorylation of p70S6K was inhibited in the combination treatment group. Lung cancer cell invasion was also significantly inhibited in the group with combination treatment in vitro. Bone nuclear scans revealed more metastatic lesions in controls compared with those in the combination treatment group. Bone scans and radiographic images indicated that combination therapy significantly reduced bone metastasis. The moderate survival rate suggested that the drug combination was synergistic, which can delay NSCLC bone metastasis and prolong survival in vivo.|Animals[MESH]|Apoptosis/drug effects[MESH]|Bone Neoplasms/drug therapy/*secondary[MESH]|Cell Line, Tumor[MESH]|Diphosphonates/administration & dosage/pharmacology/*therapeutic use[MESH]|Drug Synergism[MESH]|Drug Therapy, Combination[MESH]|Everolimus[MESH]|Humans[MESH]|Imidazoles/administration & dosage/pharmacology/*therapeutic use[MESH]|Lung Neoplasms/*pathology[MESH]|Mice[MESH]|Neoplasm Invasiveness[MESH]|Phosphorylation[MESH]|Ribosomal Protein S6 Kinases, 70-kDa/metabolism[MESH]|Sirolimus/administration & dosage/*analogs & derivatives/pharmacology/therapeutic use[MESH]|Zoledronic Acid[MESH] |