相关实验视频

Updated: Jun 15, 2025

Whole-animal Imaging and Flow Cytometric Techniques for Analysis of Antigen-specific CD8+ T Cell Responses after Nanoparticle Vaccination

Whole-animal Imaging and Flow Cytometric Techniques for Analysis of Antigen-specific CD8+ T Cell Responses after Nanoparticle Vaccination

Published on: April 29, 2015

系统性多功能纳米疫苗用于急性髓性白血病的强大个性化免疫疗法

Peng Zhang¹, Tanzhen Wang², Guanhong Cui¹

¹Biomedical Polymers Laboratory, College of Chemistry, Chemical Engineering and Materials Science, and State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, P. R. China.

Advanced materials (Deerfield Beach, Fla.)

|August 22, 2024

概括

新型纳米疫苗 (MCA-NV) 结合了NOD2和TLR9激动剂与瘤抗原,显示出强大的抗白血病免疫力. 这些全身纳米疫苗有效治疗和预防小鼠的急性髓性白血病 (AML).

科学领域:

免疫学免疫学免疫学
纳米技术纳米技术
在瘤学瘤学.

背景情况:

血液性恶性瘤 (HM),包括急性髓性白血病 (AML),存在重大治疗挑战.
由于树突细胞 (DC) 刺激不足和缺乏合适的瘤抗原 (Ags),对HM有效的癌症疫苗是有限的.

研究的目的:

开发和评估系统性多功能纳米疫苗 (MCA-NV) 以诱导强大的抗白血病免疫反应来对抗AML.
研究纳米疫苗的疗效,结合核酸结合性寡合化域含有蛋白2 (NOD2) 和Toll-like受体9 (TLR9) 激素与瘤细胞溶解物 (TCL) 作为Ags.

主要方法:

纳米疫苗 (MCA-NV) 系统的管理,包括NOD2激动剂 (muramyl dipeptide,MDP),TLR9激动剂 (CpG) 和瘤细胞溶解剂 (TCL) 在正型AML小鼠模型中.
静脉注射 (IV) 与皮下 (SC) 给药途径的比较.
对抗AML疗效,免疫记忆和预防潜力的评估.

主要成果:

在系统性给药后,MCA-NV证明了DCs的互补刺激和指向淋巴体器官的指导.
与皮下注射相比,MCA-NV静脉输注显示出明显更高的抗AML疗效.
系统性MCA-NV治疗了78%的AML小鼠,诱导了长期免疫记忆,并提供了100%的保护,防止AML细胞再次挑战.

结论:

使用患者衍生的TCL和双辅助剂 (NOD2和TLR9激动剂) 的系统纳米疫苗为AML和其他HM提供了一个有前途的个性化免疫治疗策略.
MCA-NV可以作为治疗和预防性疫苗来预防血液恶性瘤.

关键词:

急性骨髓性白血病 (AML) 是一种急性骨髓性白血病.癌症免疫疗法免疫疗法抗原和辅助剂的细胞内共递.纳米疫苗的使用方法个性化疫苗个性化疫苗

更多相关视频

Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant

Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant

Published on: May 27, 2011

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

Published on: January 7, 2019

相关概念视频

Combination Therapies and Personalized Medicine

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...

Tumor Immunotherapy

Tumor Immunotherapy

Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.

Cancer Vaccines

Cancer Vaccines

Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...