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化学合成DFV-紫杉烷类化合物对未分化甲状腺癌细胞的抗肿瘤作用研究
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作者 王美晨 王昌伟 +1 位作者 冯超 iwao ojima 《肿瘤药学》 CAS 2024年第2期179-185,共7页
目的探索化学合成DFV-紫杉烷类化合物对未分化甲状腺癌细胞的抗肿瘤作用及可能机制。方法噻唑蓝(MTT)实验测定DFV-紫杉烷类化合物对肿瘤细胞增殖及细胞活性的影响;紫外分光光度计测定新型紫杉烷类化合物处理后肿瘤细胞的存活情况;克隆... 目的探索化学合成DFV-紫杉烷类化合物对未分化甲状腺癌细胞的抗肿瘤作用及可能机制。方法噻唑蓝(MTT)实验测定DFV-紫杉烷类化合物对肿瘤细胞增殖及细胞活性的影响;紫外分光光度计测定新型紫杉烷类化合物处理后肿瘤细胞的存活情况;克隆形成实验评价新型紫杉烷类化合物对肿瘤细胞增殖能力的敏感性;结晶紫染色计数存活克隆数;流式细胞仪检测新型紫杉烷类化合物对肿瘤细胞周期分布的影响。结果甲状腺癌细胞系8505C和8305C经四种不同的DFV-紫杉烷类化合物处理后,IC_(50)在0.5~5.5 nmol·L^(-1)之间;不同药物处理后,甲状腺癌细胞的增殖能力显著降低(P<0.001);不同浓度的DFV-紫杉烷类化合物可不同程度地抑制甲状腺癌细胞的克隆形成能力(P<0.001);DFV-紫杉烷类化合物可诱导甲状腺癌细胞G_(2)/M期周期阻滞(P<0.001),从而抑制甲状腺癌细胞的生长。结论四种化学合成DFV-紫杉烷类化合物对未分化甲状腺癌细胞具有生长抑制和抗肿瘤作用。 展开更多
关键词 DFV-紫杉烷类化合物 未分化甲状腺癌 抗肿瘤作用
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Drug resistance mechanisms and novel drug targets for tuberculosis therapy 被引量:16
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作者 Md Mahmudul Islam H.M. Adnan Hameed +11 位作者 Julius Mugweru Chiranjibi Chhotaray Changwei Wang Yaoju Tan Jianxiong Liu Xinjie Li Shouyong Tan iwao ojima Wing Wai Yew Eric Nuermberger Gyanu Lamichhane Tianyu Zhang 《Journal of Genetics and Genomics》 SCIE CAS CSCD 2017年第1期21-37,共17页
Drug-resistant tuberculosis (TB) poses a significant challenge to the successful treatment and control of TB worldwide. Resistance to anti-TB drugs has existed since the beginning of the chemotherapy era. New insigh... Drug-resistant tuberculosis (TB) poses a significant challenge to the successful treatment and control of TB worldwide. Resistance to anti-TB drugs has existed since the beginning of the chemotherapy era. New insights into the resistant mechanisms of anti-TB drugs have been provided. Better understanding of drug resistance mechanisms helps in the development of new tools for the rapid diagnosis of drug- resistant TB. There is also a pressing need in the development of new drugs with novel targets to improve the current treatment of TB and to prevent the emergence of drug resistance in Mycobacterium tuber- culosis. This review summarizes the anti-TB drug resistance mechanisms, furnishes some possible novel drug targets in the development of new agents for TB therapy and discusses the usefulness using known targets to develop new anti-TB drugs. Whole genome sequencing is currently an advanced technology to uncover drug resistance mechanisms in M. tuberculosis. However, further research is required to unravel the significance of some newly discovered gene mutations in their contribution to drug resistance. 展开更多
关键词 TUBERCULOSIS Mycobacterium tuberculosis RESISTANCE Drug target MECHANISM
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Recent advances in tumor-targeting chemotherapy drugs
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作者 iwao ojima 《Cancer Drug Resistance》 2021年第4期885-887,共3页
The first antibody-drug conjugate(ADC),Mylotarg,received FDA approval in 2000,and the revolutionary targeted cancer chemotherapy drug,Imatinib(Gleevec),was approved by FDA in 2001.Accordingly,it is an excellent time t... The first antibody-drug conjugate(ADC),Mylotarg,received FDA approval in 2000,and the revolutionary targeted cancer chemotherapy drug,Imatinib(Gleevec),was approved by FDA in 2001.Accordingly,it is an excellent time to review the recent advances in tumor-targeting chemotherapy drugs by collecting articles from leading researchers at the 20th anniversary of the FDA approvals of these two epoch-making anticancer drugs with two different approaches to targeting cancer cells specifically.In this Special Issue,recent advances in these two approaches are presented. 展开更多
关键词 DRUGS CHEMOTHERAPY CANCER
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Recent advances in tumor-targeting chemotherapy drugs
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作者 iwao ojima 《Cancer Drug Resistance》 2021年第3期885-887,共3页
The first antibody-drug conjugate(ADC),Mylotarg,received FDA approval in 2000,and the revolutionary targeted cancer chemotherapy drug,Imatinib(Gleevec),was approved by FDA in 2001.Accordingly,it is an excellent time t... The first antibody-drug conjugate(ADC),Mylotarg,received FDA approval in 2000,and the revolutionary targeted cancer chemotherapy drug,Imatinib(Gleevec),was approved by FDA in 2001.Accordingly,it is an excellent time to review the recent advances in tumor-targeting chemotherapy drugs by collecting articles from leading researchers at the 20th anniversary of the FDA approvals of these two epoch-making anticancer drugs with two different approaches to targeting cancer cells specifically.In this Special Issue,recent advances in these two approaches are presented. 展开更多
关键词 DRUGS CHEMOTHERAPY CANCER
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