评估长期免疫力和T. gondii免疫后对T. gondii免疫的保护与多价值重组合合的仿制T. gondii蛋白质
Maciej Chyb1,2, Bożena Dziadek1, Katarzyna Dzitko1
1Department of Molecular Microbiology, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/16, 90-237, Łódź, Poland.
Scientific reports
|August 10, 2023
概括
针对Toxoplasma gondii的两种实验性疫苗在诱导小鼠长期免疫力方面显示出希望. 两种重组化学蛋白疫苗,SGR和SMMG,在接种疫苗后的6个月内显示出对毒素菌的持续保护.
科学领域:
- 免疫学 免疫学 免疫学
- 寄生虫学的寄生虫学
- 疫苗开发 疫苗开发
背景情况:
- 毒素菌,由*Toxoplasma gondii*引起,是一种广泛的寄生虫感染,对免疫功能低下的人来说具有重大风险.
- 目前对人类毒素菌的免疫预防选择有限,需要开发有效的疫苗.
研究的目的:
- 评估两种重组化学*毒素蛋白*蛋白质SAG2-GRA1-ROP1 (SGR) 和SAG1-MIC1-MAG1-GRA2 (SMMG) 的长期免疫性和保护功效.
- 评估这些候选疫苗在接种后两周和六个月的免疫反应和保护.
主要方法:
- 用安全辅助剂配制的SGR和SMMG疫苗对C3H/HeOuJ雄鼠进行免疫接种.
- 测量特定的幽默 (IgG,IgG1/IgG2a) 和细胞 (Th1/Th2细胞因子产生) 免疫反应.
- 在最后一剂疫苗接种后的两周和六个月内通过寄生虫挑战对保护的评估.
主要成果:
- 两种SGR和SMMG疫苗都在小鼠中引起了显著的特异性幽默和细胞免疫反应.
- 虽然抗体和细胞因子水平在六个月后下降,但在两个时间点观察到可比的保护率.
- 实验性疫苗表明,它们可以诱导长期免疫力,对抗 *Toxoplasma gondii*.
结论:
- 复合化学蛋白质SGR和SMMG是开发抗毒素菌的长效疫苗的有希望的候选人.
- 需要进一步的研究来增强这些候选疫苗的免疫性和保护能力.
更多相关视频
12:53Cell-Free Scaled Production and Adjuvant Addition to a Recombinant Major Outer Membrane Protein from Chlamydia muridarum for Vaccine Development
Published on: March 16, 2022
1.8K
09:37Detection of Polyfunctional T Cells in Children Vaccinated with Japanese Encephalitis Vaccine via the Flow Cytometry Technique
Published on: September 23, 2022
1.9K
相关概念视频
01:51Vaccinations
44.7K
Overview
44.7K
01:23Immunological Memory
669
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
669