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将多基因由细菌转移到小分子微型加工厂
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作者 陶冶 《生物技术通报》 CAS CSCD 1996年第1期26-27,共2页
现代医学应该感谢原始的放线菌类细菌,因为它们提供了几十种重要的药物。这些药物均隶属于庞大的和多变的聚酮化合物家族,它们包括:四环素和红霉素类抗生素;抗癌药物亚德里亚霉素;以及免疫抑制药和抗寄生物药物。 这些分子非常复杂且很... 现代医学应该感谢原始的放线菌类细菌,因为它们提供了几十种重要的药物。这些药物均隶属于庞大的和多变的聚酮化合物家族,它们包括:四环素和红霉素类抗生素;抗癌药物亚德里亚霉素;以及免疫抑制药和抗寄生物药物。 这些分子非常复杂且很难改变。药物的开发受到聚酮化合物的数量尤其是用于生产的细菌的限制。 展开更多
关键词 聚酮化合物 微型加工 小分子 多基因 红霉素类生素 抗寄生物药 亚德里亚霉素 细菌 科研人员 芳构化
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Toll-like receptors,a double-edged sword in immunity to malaria
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作者 Chen Jide He Ying +1 位作者 Xu Wenyue Huang Fusheng 《Journal of Medical Colleges of PLA(China)》 CAS 2009年第2期118-124,共7页
Toll-like receptors(TLRs) are a central component of innate immune system and play a major role as the initiator of the innate immune responses to defend against bacteria,viruses,parasite and other pathogens.During ma... Toll-like receptors(TLRs) are a central component of innate immune system and play a major role as the initiator of the innate immune responses to defend against bacteria,viruses,parasite and other pathogens.During malaria infection,TLRs signaling pathways are initialed with the recognition of Plasmodium glycosylphosphatidylinositols(GPI) and hemozoin as pathogen-associated molecular patterns(PAMPs).And then,activation of TLRs signaling induces specific biological responses against malaria parasites invasion.However,TLRs are also involved in malaria pathogenesis and enhancement of immune tolerance and evasion for malaria infection.Moreover,malaria parasites regulate selectively TLRs expression on immune cells.Thus,these evidences indicated that TLRs have contrary roles on malaria infection.Understanding the complicated roles of TLRs on malaria infection will contribute us to design more effective anti-malaria drugs or vaccines. 展开更多
关键词 Toll-like receptors Innate immunity MALARIA PLASMODIUM
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