Hepatic cancer stem cells and drug resistance: Relevance in targeted therapies for hepatocellular carcinoma
Hepatic cancer stem cells and drug resistance: Relevance in targeted therapies for hepatocellular carcinoma作者机构：Centro Studi Fegato AREA Science Park Basovizza Centro Clinico Studi Fegato University of Trieste
出 版 物：《World Journal of Hepatology》 (世界肝病学杂志（英文版）（电子版）)
年 卷 期：2010年第2卷第3期
页 面：114-126页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
基 金：Supported by a Grant from the Italian Liver Foundation
主 题：Hepatocellular carcinoma Liver Cancer stem cells Drug resistance Hepatocellular carcinoma therapy
摘 要：Hepatocellular carcinoma (HCC) is one of most common malignancies in the world. Systemic treatments for HCC, particularly for advanced stages, are limited by the drug resistance phenomenon which ultimately leads to therapy failure. Recent studies have indicated an association between drug resistance and the existence of the cancer stem cells (CSCs) as tumor initiating cells. The CSCs are resistant to conventional chemotherapies and might be related to the mechanisms of the ATP Binding Cassette (ABC) transporters and alterations in the CSCs signaling pathways. Therefore, to contribute to the development of new HCC treatments, further information on the characterization of CSCs, the modulation of the ABC transporters expression and function and the signaling pathway involved in the self renewal, initiation and maintenance of the cancer are required. The combination of transporters modulators/inhibitors with molecular targeted therapies may be a potent strategy to block the tumoral progression. This review summarizes the association of CSCs, drug resistance, ABC transporters activities and changes in signaling pathways as a guide for future molecular therapy for HCC.
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