微环境响应型自组装生物纳米材料的表/界面调控及肿瘤治疗研究
项目来源
国(略)研(略)((略)D(略)
项目主持人
聂(略)
项目受资助机构
清(略)
立项年度
2(略)
立项时间
未(略)
项目编号
2(略) YFA0208901
项目级别
国(略)
研究期限
未(略) (略)
受资助金额
6(略)0(略)
学科
纳(略)
学科代码
未(略)
基金类别
“纳(略) ”重点专项
关键词
肿(略)境(略)表(略) (略)分(略)物(略)含(略)体(略)核(略) (略)o(略)i(略)e(略)r(略)n(略) (略)f(略)/(略)e(略)c(略) (略)r(略)l(略)l(略)c(略)l(略);(略)l(略)u(略)o(略)i(略)g(略)s(略)l(略) (略)u(略)i(略)c(略)
参与者
刘(略)许(略)徐(略)丁(略)易(略)亚(略)
参与机构
国家纳米科学中心;清(略) 化学系
项目标书摘要:课题(略)料对肿瘤基质微环境(略)的构效关系这一关键(略)境基质和血管的病理(略)复合物、含硒组装体(略)设计构筑具有微环境(略)自组装纳米药物系统(略)的活性药物输运和释(略)杂性优化药物组合,(略)靶标联合调控的新策(略)材料影响肿瘤微环境(略)材料的“表/界面性(略)。_x000D_课(略)超分子自由基二聚体(略)疗新策略、基于含硒(略)、放疗和化疗联合治(略)装策略制备类细胞膜(略)酸自组装结构的基因(略)进展。
Applicati(略): Aiming (略)scientifi(略)f the str(略)tion rela(略) self-ass(略)nanomater(略)or matrix(略)onment an(略)cular sur(略)ace respo(略)n the pat(略)ical char(略) of tumor(略)onment ma(略)ood vesse(略)ned self-(略)ano-drug (略)h micro-e(略)multi-tar(略)c recogni(略)sponse by(略)supramole(略)exes,sele(略)ning asse(略)ides and (略)ds as car(略)can trans(略)lease act(略)n a site (略)ime selec(略)antitativ(略)timize dr(略)ions acco(略)mor heter(略)d complex(略)elop new (略)for multi(略)ngle targ(略)-target j(略)tion;clar(略)ects and (略)e impact (略)embled bi(略)ials on t(略)nvironmen(略)l the rel(略)f"surface(略)propertie(略)y functio(略)terials._(略)D
项目受资助省
北(略)
1.微环境响应型自组装生物纳米材料的表/界面调控及肿瘤治疗研究-2019年度科技报告(Microenvironment responsive self-assembled bio-nanomaterials:Control over nano surface/interface and study on tumor therapy(2019annual report))
- 关键词:
- 自组装、生物纳米材料、基质微环境、肿瘤血管、抗肿瘤、生物安全性、self-assembly、bio-nanomaterials、stromal microenvironment、tumor vasculature、anti-tumor、biosafety
- 聂广军;许华平;郭明洲;罗亮;
- 《国家纳米科学中心;清华大学;中国人民解放军总医院;华中科技大学;》
- 2019年
- 报告
本项目在2019年度进展顺利,完成了既定的研究计划相关任务,按计划主要开展了以下研究工作:1.优化已有纳米药物系统,并研究其“表/界面性质—调控功能”构效关系。2.研究新型纳米药物系统与肿瘤基质微环境和肿瘤血管的相互作用。3.分析肿瘤基质微环境细胞中的表观遗传学改变,结合临床资料,分离和鉴定一批与不同化疗药物相关的表观遗传学标志物。4.结合化疗、放疗和介入治疗等多种疗法,发展、筛选并优化基于肿瘤微环境综合调控的肿瘤治疗策略。5.系统研究纳米药物系统在细胞、组织及动物体内的转运和代谢过程。6.发展多种组学融合的分析方法,研究代表性纳米药物系统对细胞模型和肿瘤组织生物学效应的可能分子机制。2019年1月至11月,本项目共发表(或接受)标注National Key R&D Program of China(2018YFA0208900)项目号的SCI论文61篇。其中,31篇为影响因子大于10或一区的高水平论文,包括Nature Biomedical Engineering,Nature Communications,Advanced Materials,Angewandte Chemie,ACS Nano,Nano Letters等高水平学术期刊。申请国家发明专利12项,授权国家发明专利3项,1项专利成果正在进行转化。项目组成员应邀在国内外学术会议作邀请报告40余次。 Antitumor nanomaterials represent one of the fastest growing and most promising areas in the field of biomaterials and nanotechnology.Aiming at the key scientific problem of the structure-function relationship of self-assembled bionanomaterials to tumor matrix microenvironment and tumor vascular surface/interface response,based on the pathophysiological characteristics of tumor microenvironment matrix and blood vessels,we designed self-assembled nano-drug systems with microenvironment multi-target specific recognition and response by employing supramolecular complexes,selenium-containing assemblies,peptides and nucleic acids as carriers.They can clarify the effects and rules of the impact of self-assembled bionanomaterials on tumor microenvironment,and reveal the relationship of"surface/interface properties-regulatory function"of nanomaterials.We have also developed a couple of distinct strategies to regulate tumor matrix microenvironment and tumor vasculature with various characteristics for safe and effective tumor therapy.With these new ailor-designed multifunctional bionanomaterials,comprehensive evaluation of the antitumor efficacy and the underlying mechanism has been implemented.We further discovered the underlying molecular mechanism of inhibition of malignant tumor growth and metastasis.We also systemically evaluated the novel biological effects and toxicity associated with these bionanomaterials for safer design of antitumor nanomedicine.These multifunctional nanostructures used for loading hydrophilic,hydrophobic and nucleic acid-based drugs specifically targeted tumor cells and their microenvironment,and the nanotechnology-based strategy for combination therapy holds great promises for further development for clinical applications.This year's research program was successfully completed.During this year,we have published 61 SCI papers in the field of biomaterials,nanobiology and medicine and chemistry,such as in the journals Nature Biomedical Engineering,Nature Communications,Advanced Materials,Angewandte Chemie,ACS Nano,Nano Letters.We were invited to write a series of reviews for Accounts of Chemical Research,Chemical Society Reviews,and Advanced Drug Delivery Reviews.Our important works have developed novel tools to study the novel antitumor mechanism of nanomedicine for effective antitumor therapy with manageable toxicity and laid foundation for further development of nanomedicine.
...