菌体显示源自阿尔帕卡的纳米体,作为对纳贾阿特拉蛇毒的潜在治疗方法
Wei-Chu Wang1, Jungshan Chang2,3,4, Chi-Hsin Lee1,5,6
1Ph.D. Program in Medical Biotechnology, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.
Applied and environmental microbiology
|July 9, 2024
概括
研究人员使用菌体显示技术开发了新的纳米体来对抗中国蛇毒. 这些纳米体显示出作为有效的抗毒剂的承诺,为蛇咬伤治疗提供了传统抗毒药的潜在替代品.
科学领域:
- 生物技术是生物技术.
- 免疫学 免疫学 免疫学
- 毒理学 毒理学 毒理学
背景情况:
- 在亚洲,每年有大量的临床事件发生,原因是蛇毒 (中国蛇) 毒害蛇.
- *目前的马血清衍生抗毒药具有包括副作用和制造困难在内的局限性.
研究的目的:
- *使用微生物菌体显示技术开发新型,下一代对Naja atra*毒药的抗药.
- * 识别和描述具有高结合亲和力和中和能力的纳米体,对抗中国蛇毒.
主要方法:
- * 构建一个菌体显示 * V * 图书馆从一个阿尔帕卡免疫减弱的 * N. atra * 毒.
- *生物划分和选择具有高结合活性的纳米体克隆对N. atra*毒素.
- *体外特异性测试和体内老鼠毒素中和试验.
主要成果:
- * 选择了四种高亲和度纳米体克隆 (aNAH1,aNAH6,aNAH7,aNAH9).
- * 纳米体对Naja*属毒药表现出特异性.
- *体内测试显示,纳米体延长了小鼠的生存时间,NAH6保护了66.6%的小鼠免受致命剂量的伤害.
结论:
- * 菌体显示衍生纳米体是一种有前途的治疗策略,用于*Naja atra*毒素中和.
- * 这些纳米体为传统抗毒剂提供了潜在的替代品,解决了当前的治疗挑战.
更多相关视频
05:27Immunization of Alpacas Lama pacos with Protein Antigens and Production of Antigen-specific Single Domain Antibodies
Published on: January 26, 2019
23.5K
09:12Selection of Transporter-Targeted Inhibitory Nanobodies by Solid-Supported-Membrane SSM-Based Electrophysiology
Published on: May 3, 2021
2.6K
相关概念视频
Defense Against Bacterial Pathogens
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...
Clinical Significance of Antibiotic Resistance
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...
