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您的检索式：作者名="Kevin Doello"
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| 1 | The challenge of drug resistance in pancreatic ductal adenocarcinoma:a current overview显示文摘Pancreatic ductal adenocarcinoma(PDAC)has one of the highest mortality rates among all cancer types.Its delayed diagnosis precludes curative resection,thus most of the current therapies against PDAC are based on chemo-and radiotherapy.Unfortunately,these strategies are insufficient to improve its poor prognosis.Despite the advances made in chemotherapy(e.g.nab-paclitaxel and gemcitabine),many patients with PDAC are unable to benefit from them due to the rapid development of drug resistance.Currently,more than 165 genes have been found to be implicated in drug resistance of pancreatic tumors,including different integrins,mucins,NF-κB,RAS and CXCR4.Moreover,drug resistance in PDAC is thought to be mediated by the modulation of miRNAs(e.g.miRNA-21,miRNA-145 and miRNA-155),which regulate genes that participate in cell proliferation,invasion and metastasis.Finally,cancer stem cells are intimately related to drug resistance in PDAC due to their ability to overexpress ABC genes-involved in drug transport-,and enzymes such as aldehyde dehydrogenases-implicated in cellular drug metabolism-and poly(ADP-ribose)polymerases-involved in drug-induced DNA damage repair.Understanding the mechanisms involved in drug resistance will contribute to the development of efficient therapeutic strategies and to improve the prognosis of patients with PDAC. | Francisco Quinonero Cristina Mesas Kevin Doello Laura Cabeza Gloria Perazzoli Cristina Jimenez-Luna Ana Rosa Rama Consolación Melguizo Jose Prados | 2019 | Cancer Biology & Medicine2019，16，4： | 1 |
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