端粒酶抑制剂
端粒酶抑制剂的相关文献在1998年到2021年内共计111篇,主要集中在肿瘤学、药学、基础医学
等领域,其中期刊论文88篇、会议论文4篇、专利文献230244篇;相关期刊76种,包括生物工程学报、中国组织化学与细胞化学杂志、科学之友等;
相关会议4种,包括第九届全国肿瘤药理和化疗学术会议、2001中国药学会学术年会、2000年中国博士后学术大会等;端粒酶抑制剂的相关文献由297位作者贡献,包括陆涛、Laurence H.Hurley、何敏等。
端粒酶抑制剂—发文量
专利文献>
论文:230244篇
占比:99.96%
总计:230336篇
端粒酶抑制剂
-研究学者
- 陆涛
- Laurence H.Hurley
- 何敏
- 杨莉
- 毛宗万
- 蒋玉艳
- M·J·斯图尔特
- S·凯尔西
- 周云峰
- 孙延庆
- 梁文权
- 胡英
- 郑小辉
- 陈金亮
- 高建青
- 黄世杰
- B·伯林顿
- E·巴塞特
- H·王
- K·恩格
- 何彩丽
- 余永强
- 吴曙光
- 庞建新
- 张慧敏
- 张火俊
- 张陆勇
- 曹莹
- 朱志强
- 朱雍
- 李力
- 杨继金
- 汪杰
- 王卫国
- 生晶
- 等
- 计亮年
- 许兰涛
- 郝强
- 钟毅芳
- 陈海靓
- 陈秀美
- 马宏伟
- 黄华珍
- AdamSiddiqui
- Daekyu Sun
- Dongfang Shi
- HAN Hai-Yong
- HOU Bo
- HU Chun
-
-
韩森;
马旭;
方健
-
-
摘要:
肺癌是世界范围内发病率和死亡率较高的恶性肿瘤之一.端粒和端粒酶与肺癌的发生发展密切相关.虽然端粒酶可能不是导致细胞癌变的直接原因,但在维持端粒长度和肿瘤生长方面起到关键作用.包括肺癌在内的大部分肿瘤端粒长度缩短.端粒长度的变化与肺癌发生风险相关,并可能成为肺癌的治疗靶标和预测指标.针对端粒和端粒酶信号通路的靶向治疗药物正在探索中,以端粒酶抑制剂为代表的小分子药物有希望应用于肺癌的临床治疗中.但是,人们对于端粒和端粒酶的研究还远远不够,端粒长度维持的旁路作用机制可能是下一步需要深入研究的方向.
-
-
李娜;
张润泽;
姚海英
-
-
摘要:
骨髓增生异常综合征(MDS)是克隆性造血干细胞疾病,具有向急性髓细胞白血病转化的高风险.既往MDS的治疗以去甲基化药物、造血干细胞移植为主.近年来,随着基因测序的发展,一些针对基因突变的靶向药物在MDS治疗中具有很好的前景.Bcl-2抑制剂venetoclax、免疫检测点阻断剂、Toll样受体抗体tomaralimab、端粒酶抑制剂imetelstat以及转化生长因子-β抑制剂luspatercept、galunisertib的上市,使得MDS的治疗获得突破性的进展.异柠檬酸脱氢酶抑制剂ivosidenib(AG-120)和enasidenib(AG-221)也初现成效.本研究对MDS患者个体化治疗方案进行综述.
-
-
-
邬贤;
黄莹;
李舒婕;
段萍萍;
米鹏程;
陈文瑛
-
-
摘要:
目的:研究以腺病毒载体系统装载人端粒酶逆转录酶C端片段(C197)制成的重组腺病毒Ad-GFP-C197对3种肿瘤细胞增殖的抑制作用.方法:采用HEK293细胞扩增并纯化Ad-GFP-C197.采用Ad-GFP-C197分别感染人胃癌细胞SGC7901、人乳腺癌细胞MCF7和人结直肠癌细胞CaCO2.以空白腺病毒载体(Ad-GFP)为参比,采用Western blot法检测Ad-GFP-C197感染后3种肿瘤细胞中C197的蛋白表达水平;采用MTT法检测Ad-GFP-C197感染后对3种肿瘤细胞的抑制作用,绘制细胞增殖曲线并计算增殖抑制率.结果:Ad-GFP感染的3种肿瘤细胞中均未检测到C197蛋白表达,而Ad-GFP-C197感染的上述细胞中C197蛋白均有明显表达;Ad-GFP-C197感染后3种肿瘤细胞的增殖曲线随时间延长而呈明显抑制现象,其增殖抑制率最高可达37.31%~41.42%.结论:Ad-GFP-C197对SGC7901细胞、MCF7细胞、CaCO2细胞增殖均有明显的抑制作用,且起效迅速,能够克服其他端粒酶抑制剂起效缓慢的缺点.%OBJECTIVE:To study the inhibitory effects of recombinant adenovirus Ad-GFP-C197, which prepared by adenovirus vector system-loading human telomerase reverse transcriptase(hTERT)C fragment(C197),on the proliferation of 3 kinds of tumor cells in vitro. METHODS:Ad-GFP-C197 was amplified and purified with HEK293 cells. Human gastric cancer cells SGC7901,human breast cancer cells MCF7 and human colorectal cancer cells CaCO2 were infected by Ad-GFP-C197 respectively. Using blank adenovirus carrier (Ad-GFP) as reference,the protein expression of C197 in 3 kinds of tumor cells infected by Ad-GFP-C197 was detected by Western blot assay. The inhibitory effects of Ad-GFP-C197 on 3 kinds of tumor cells were detected by MTT assay. The cell proliferation curve was drawn and the proliferation inhibition rate was calculated. RESULTS:The protein expression of C197 was not detected in 3 kinds of tumor cells infected by Ad-GFP,while significant protein expression of C197 was found in above cells infected by Ad-GFP-C197. The proliferation curves of the 3 kinds of tumor cells infected by Ad-GFP-C197 were significantly inhibited with the time extended,and the proliferation inhibitory rate reached 37.31%-41.42%. CONCLUSIONS:Ad-GFP-C197 shows significant inhibitory effects on the proliferation of SGC7901,MCF7 and CaCO2 cells, which is rapid to make up for the slow effect of other telomerase inhibitors.
-
-
尹岳松;
史博文;
朱金芳;
张华;
高留伟;
张彬;
王长利
-
-
摘要:
目的 观察端粒酶抑制剂(BIBR1532)对含有鼠类肉瘤病毒癌基因(KRAS)突变肺癌细胞的影响.方法 利用慢病毒载体构建稳定表达KRAS第12外显子突变(所编码的氨基酸由甘氨酸突变为天冬氨酸,即G12D突变)的肺癌细胞株.Western blot检测G12D的表达水平.实时定量聚合酶链反应(Real-time PCR)法检测端粒酶活性.噻唑蓝(MTTT)法、划痕实验检测端粒酶抑制剂对表达G12D的肺癌细胞增殖、药物敏感性和迁移的影响.结果 成功建立了稳定表达KRAS-G12D的CALU3和H1299细胞株;BIBR1532抑制了过表达KRAS-G12D的CALU3和H1299细胞端粒酶活性(抑制率约为50%);BIBR1532对KRAS-G12D诱导的促肺癌细胞增殖能力、促肺癌细胞迁移能力和化疗抗性(细胞对顺铂和紫杉醇的敏感性提高了10% ~15%和5%~12%)都产生了明显抑制.结论 端粒酶抑制剂能够抑制KRAS-G12D突变肺癌细胞的增殖、迁移,提高KRAS-G12D突变肺癌细胞对化疗药物的敏感性.%Objective To explore the effects of telomerase inhibitor BIBR1532 on lung cancer cells with kirsten rat sarcoma viral oncogene (KRAS) mutation.Methods Human lung cancer cells (CALU3/H1299) stably transfected with lentiviral vector-mediated KRAS-mutant (the encoded amino acid from glycine mutated to aspartic acid,G12D) expression were established and the telomerase activity and the expression levels of G12D were respectively detected by real-time quantitative polymerase chain reaction (Real-time PCR) and Western blotting.The proliferative activity,chemotherapy sensitivity and metastatic capability of cells were examined by methyl thiazol tetrazolium (MTI) and Scratch test.Results The telomerase activity level in KRAS-mutant lung cancer cells with telomerase inhibitors was more significantly decreased compared to KRAS wild type (KRAS-WT) lung cancer cells(the inhibition rates were about 50%).Relative to KRAS-WT cells,the KRAS-mutant cells with BIBR1532 grew and migrated more slowly,moreover,the inhibition ratio was improved more greatly (cisplatin and taxol respectively increased 10%-15% and 5%-12%).Conclusion The telomerase inhibitors could inhibit proliferative ability and metastatic capability,and increase chemotherapy sensitivity of KRAS-mutant and KRAS-WT lung cancer cells,but the variation of KRAS-mutant lung cancer cells was greater.
-
-
李超;
邵明;
杨艳梅;
种阳;
焦志坚;
李国军
-
-
摘要:
骨肉瘤是儿童及青少年最常见的恶性骨肿瘤,手术治疗和辅助化疗的效果并不理想.目前研究发现,端粒酶与骨肉瘤发生发展密切相关,可通过逆转录酶活性复制和延长端粒DNA来稳定染色体DNA长度,并参与骨肉瘤基因稳定的调控过程.该文就端粒酶在骨肉瘤发生发展过程中的作用研究进展作一综述.
-
-
-
-
-
冯大千;
王伟
-
-
摘要:
端粒在维持基因组稳定、癌症和衰老相关的生理过程中发挥着重要作用,鸟嘌呤通过形成G-四分体平面堆积成G-四链体结构,DNA二级结构参与一些重要的生物调控过程.人们已经在生物体内发现G-四分体结构的存在,它们大量存在于基因的启动区域表明G-四链体可能参与调节基因表达.以G-四链体为新靶标设计能与G-四链体DNA相互作用的小分子,为开发抗癌药物提供了新途径.最近的许多研究证明金属配合物与G-四链体DNA具有有效的相互作用,有望开发成新的抗癌药物.