Enhancement of anti cancer immunity by fusion protein of HSP70 and CD8 T cell epitope from NY-ESO-1
HSP70 和 NY-ESO-1 的 CD8 T 细胞表位融合蛋白增强抗癌免疫
基本信息
- 批准号:16591263
- 负责人:
- 金额:$ 2.18万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2004
- 资助国家:日本
- 起止时间:2004 至 2005
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Heat shock proteins(HSPs) 70 are a family of highly conserved molecules with ATPase activity and relative molecular masses around 70,000 kDa. Hsp proteins chaperone antigenic peptides into antigen-presenting cells, potentially allowing peptides to enter the MHC class I pathway for loading onto MHC class I molecules, where they can be presented to cytotoxic CD8+ T cells. In turn, this provides a strategy for immunization against cancer by using hsp and bound peptides that are isolated from tumors. Immunization with heat shock cognate protein 70 (hsc70) bound to synthetic peptides by in vitro reconstitution has been shown to induce peptide-specific CTL in mice. Here, we succeed genetically to fuse hsc70 and a CTL epitope derived from NY-ESO-1, one of the cancer-testis antigens. We also have shown dendritic cell can present the epitope onto their MHC class I after feeding the fusion protein. Hsc70 with NY-ESO-1 peptide can be processed through cytosolic pathway and presented by DCs to CD8^+ T cell clones. These findings help devising and validating vaccine strategies with Hsc-NY-ESO-1 epitope fusion protein.
热休克蛋白 (HSP) 70 是一个高度保守的分子家族,具有 ATP 酶活性,相对分子质量约为 70,000 kDa。 Hsp 蛋白陪伴抗原肽进入抗原呈递细胞,可能使肽进入 MHC I 类途径,加载到 MHC I 类分子上,在那里它们可以被呈递给细胞毒性 CD8+ T 细胞。反过来,这提供了一种通过使用从肿瘤中分离的热休克蛋白和结合肽进行癌症免疫的策略。通过体外重建与合成肽结合的热休克同源蛋白 70 (hsc70) 进行免疫已被证明可在小鼠中诱导肽特异性 CTL。在这里,我们成功地从基因上融合了 hsc70 和源自 NY-ESO-1(癌睾丸抗原之一)的 CTL 表位。我们还表明,树突状细胞在喂食融合蛋白后可以将表位呈递到其 MHC I 类上。具有 NY-ESO-1 肽的 Hsc70 可以通过胞质途径进行加工,并由 DC 呈递给 CD8^+ T 细胞克隆。这些发现有助于设计和验证 Hsc-NY-ESO-1 表位融合蛋白的疫苗策略。
项目成果
期刊论文数量(23)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Hsp-antigen fusion and their use for immunization
Hsp-抗原融合及其在免疫中的用途
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Ishii;G.;Ochiai;A.;et al.;H.Udono et al.
- 通讯作者:H.Udono et al.
Regulation of the Maintenance of Peripheral T-Cell Anergy by TAB1-Mediated p38 Activation.
TAB1 介导的 p38 激活对维持外周 T 细胞无反应性的调节。
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Furukawa;H et al.;Kozo Ohkusu-Tsukada et al.
- 通讯作者:Kozo Ohkusu-Tsukada et al.
IFN-γ enables cross-presentation of exogenous protein antigen in human Langerhans cells by potentiating maturation
- DOI:10.1073/pnas.0405947101
- 发表时间:2004-10-05
- 期刊:
- 影响因子:11.1
- 作者:Matsuo, M;Nagata, Y;Gnjatic, S
- 通讯作者:Gnjatic, S
Interferon regulatory factor 4 negatively regulates the production of proinflammatory cytokines by macrophages in response to LPS
- DOI:10.1073/pnas.0504226102
- 发表时间:2005-11-01
- 期刊:
- 影响因子:11.1
- 作者:Honma, K;Udono, H;Yui, K
- 通讯作者:Yui, K
A pitfall in diagnosis of human prion diseases using detection of protease-resistant prion protein in urine - Contamination with bacterial outer membrane proteins
- DOI:10.1074/jbc.m400187200
- 发表时间:2004-05-28
- 期刊:
- 影响因子:4.8
- 作者:Furukawa, H;Doh-ura, K;Niwa, M
- 通讯作者:Niwa, M
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NAGATA Yasuhiro其他文献
NAGATA Yasuhiro的其他文献
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{{ truncateString('NAGATA Yasuhiro', 18)}}的其他基金
Application of Heat-shock protein with antigenic peptide for cancer vaccine
热激蛋白抗原肽在癌症疫苗中的应用
- 批准号:
14571146 - 财政年份:2002
- 资助金额:
$ 2.18万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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