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  1. Advances in targeted therapies and new promising targets in esophageal cancer.

    Oncotarget 6(3):1348 (2015) PMID 25593196

    Esophageal cancer, comprising squamous carcinoma and adenocarcinoma, is a leading cause of cancer-related death in the world. Notably, the incidence of esophageal adenocarcinoma has increased at an alarming rate in the Western world. Unfortunately, the standard first-line chemo-radiotherapeutic appr...
  2. Two hits are better than one: synergistic anticancer activity of α-helical peptides and doxorubicin/epirubicin.

    Oncotarget 6(3):1769 (2015) PMID 25593197

    We delineated the mechanism of this synergy by studying the apoptosis pathway and morphologic changes in the HeLa cell membrane. The mechanism of the HPRP-A1/DOX combination was found to involve enhanced apoptosis, which seemed to be caspase-dependent and involved both the extrinsic and intrinsic pa...
  3. Resistin promotes tumor metastasis by down-regulation of miR-519d through the AMPK/p38 signaling pathway in human chondrosarcoma cells.

    Oncotarget 6(1):258 (2015) PMID 25404641

    We found that the expression of resistin was higher in chondrosarcoma biopsy tissues than in normal cartilage. Moreover, treatment with resistin increased matrix metalloproteinase (MMP)-2 expression and promoted cell migration in human chondrosarcoma cells. Co-transfection with microRNA (miR)-519d m...
  4. Mir-24-3p downregulation contributes to VP16-DDP resistance in small-cell lung cancer by targeting ATG4A.

    Oncotarget 6(1):317 (2015) PMID 25426560

    We further found that downregulated miR-24-3p enhanced autophagy activation as it directly targets and inhibits autophagy-associated gene 4A (ATG4A). Overexpression of miR-24-3p into H446/EP cells led to reduction of the ATG4A protein level, allowing SCLC cells to resensitize to VP16-DDP. We conclud...
  5. Phosphorylation of Tip60 by p38α regulates p53-mediated PUMA induction and apoptosis in response to DNA damage.

    Oncotarget 5(24):12555 (2014) PMID 25544752

    We previous showed that Tip60 activity is induced by phosphorylation at T158 by p38. In this study, we investigated the role of p38-mediated Tip60 phosphorylation in p53-mediated, DNA damage-induced apoptosis. We found that DNA damage induces p38 activation, Tip60-T158 phosphorylation, and p53-K120...
  6. Preclinical efficacy of maternal embryonic leucine-zipper kinase (MELK) inhibition in acute myeloid leukemia.

    Oncotarget 5(23):12371 (2014) PMID 25365263 PMCID PMC4323011

    We report characterization of possible roles of MELK in acute myeloid leukemia (AML). MELK is expressed in AML cell lines and AML blasts with higher levels in less differentiated cells. MELK is frequently upregulated in AML with complex karyotypes and is associated with worse clinical outcome. MELK...
  7. The novel IκB kinase β inhibitor IMD-0560 prevents bone invasion by oral squamous cell carcinoma.

    Oncotarget 5(23):12317 (2014) PMID 25373602 PMCID PMC4322973

    We evaluated the effect of IMD-0560, a novel inhibitor of IκB kinase (IKK) β that is under assessment in a clinical trial of rheumatoid arthritis, on bone invasion by the mouse OSCC cell line SCCVII. We examined the inhibitory effects of IMD-0560 on NF-κB activity and tumor invasion using human OSCC...
  8. Tamoxifen represses alcohol-induced transcription of RNA polymerase III-dependent genes in breast cancer cells.

    Oncotarget 5(23):12410 (2014) PMID 25400119 PMCID PMC4322994

    We report that Tamoxifen (Tam) inhibits the induction of Brf1 and Pol III genes in ER+ breast cancer cells. Further analysis indicates that alcohol increases c-Jun expression to upregulate the transcription of Brf1 and Pol III genes, whereas Tam reduces c-Jun expression to repress the transcription...
  9. Expansion of CTCs from early stage lung cancer patients using a microfluidic co-culture model.

    Oncotarget 5(23):12383 (2014) PMID 25474037 PMCID PMC4323004

    We have developed a novel in-situ capture and culture methodology for ex-vivo expansion of CTCs using a three dimensional co-culture model, simulating a tumor microenvironment to support tumor development. We have successfully expanded CTCs isolated from 14 of 19 early stage lung cancer patients. Ex...
  10. Development and prospective multicenter evaluation of the long noncoding RNA MALAT-1 as a diagnostic urinary biomarker for prostate cancer.

    Oncotarget 5(22):11091 (2014) PMID 25526029 PMCID PMC4294360

    We evaluated the effectiveness of urinary metastasis-associated lung adenocarcinoma transcript 1 (MALAT-1), a long noncoding RNA, for predicting the risk of PCa before biopsy. The MALAT-1 score was tested in a discovery phase and a multi-center validation phase. The predictive power of the MALAT-1 s...