目的:目前越来越多的报道证实JNK(c-Jun NH2-terminal kinase)信号通路与肿瘤多药耐药的发生具有密切关系.本研究的目的是观察盐酸千金藤碱是否通过调控JNK信号转导通路而逆转肿瘤多药耐药.方法:采用Westemblot和RT-PCR法分别检测CH单用及与JNK抑制剂SP600125合用后在耐药性K562/ADR细胞中对P-gp及DRl mRNA的影响,考察CH对JNK通路的调
Background:The side population cells characterized by the ability to transport Hoechst 33342 out of cells have been identified as cancer stem-like cells.ABCG2 is found to confer the side population (S
目的 雷公藤是一种疗效卓越的传统中药,但由于其毒性较大,且作用机制不清,限制了在临床上的应用.在本研究中,我们致力于寻找高效低毒的具有明显抗肿瘤作用的雷公藤内酯醇衍生物,研究其作用机制,并在此基础上设计联合用药方案,寻找新的肿瘤治疗策略.
In recent years,"compact molecules" e.g.4-membered hetereocyclic compounds have received increased attention in pharmaceutical industry because of the uniqueness in the generation of IP position,as we
Purpose Activating mutations of c-Kit have been associated with gastrointestinal stromal tumors (GISTs).Unfortunately,primary or acquired resistance to c-Kit inhibitors,such as imatinib and sunitinib,
Object Photodynamic therapy (PDT) is a regulatory approved modality for treating a variety of malignant.It utilizes the destructive power of reactive oxygen species generated via visible light irradia
Object Colorectal carcinoma is a frequent cause of cancer-related death in men and women.miRNAs (microRNAs) are endogenous small non-coding RNAs that regulate gene expression negatively at post-transc
畲药白山毛桃根是少数民族畲族常用药物,具有清热解毒,消肿利湿的功效,民间主要用于治疗胃癌、肠癌、白血病、肝硬化等疾病.但是,对于其确切疗效及其可能的机制,目前缺乏实验研究依据.黑色素瘤是一种恶性程度较高、死亡率高的肿瘤,尚无有效的治疗方法.黑色素瘤细胞株M21细胞是国内外研究黑色素瘤的常用细胞株.本课题对畲药白山毛桃根的有效成分进行提取收集,以M21细胞为研究对象,采用体外细胞培养系统,观察畲药白
Background To validate cadherin-17 (CDH 17) as a potential therapeutic target for gastric cancer (GC) and to investigate the antitumor mechanisms associated with CDH17 inhibition in GC.Methods GC tiss
Purpose The aim of this study is to explore the mechanisms of the cancer cell resistance toward dihydroartemisinin (DHA),one of the main metabolites and derivatives of artemisinin,which has exhibited