在中人性化对VHH动态的潜在影响的评估
Carla Martins1,2, Julien Diharce1, Aravindan Arun Nadaradjane2
1Université Paris Cité and Université de la Réunion and Université des Antilles, INSERM, BIGR, DSIMB, F-75014 Paris, France.
International journal of molecular sciences
|October 14, 2023
概括
卡梅利德重链唯一抗体 (VHH) 对生物技术和制药有希望. 人性化对于治疗用途是必要的,这项研究表明它保留了关键性质.
科学领域:
- 生物化学 生化学
- 免疫学 免疫学 免疫学
- 生物技术是生物技术.
背景情况:
- 驼类动物产生独特的单域抗体 (VHH),缺乏轻链.
- 这些VHH域具有有利的表达和相互作用特性.
- VHH抗体具有重要的生物技术和制药兴趣.
研究的目的:
- 评估人类化对驼 VHH 形状特性的影响.
- 评估Llamanade工具对VHH人性化的有效性.
- 为了确定人性化是否会损害VHH域的功能完整性.
主要方法:
- 选择一个代表的驼动物VHH域.
- 应用两个不同的人性化策略.
- 在人性化之前和之后对形状性质的分析.
- 使用Llamanade工具进行VHH修改.
主要成果:
- 人性化涉及大约1/10的残留物的变化.
- 人化的VHH保留了类似于原始驼动物VHH的形状特性.
- 人化对VHH结构的影响并不是很大.
结论:
- 人化是适应驼类VHH域的人类治疗用途的可行策略.
- 在人类化后,VHH域的结构完整性在很大程度上保持不变.
- 进一步的研究可以利用这些发现来开发基于VHH的新型治疗方法.
相关概念视频
In-vitro Mutagenesis
To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
In vitro Mutagenesis
To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
Impact of Pharmacokinetic–Pharmacodynamic Models: Regulatory Decisions
PK–PD modeling has significantly influenced FDA regulatory decisions, particularly drug approval, dosage optimization, and labeling. These models integrate pharmacokinetics (PK) and pharmacodynamics (PD) to predict drug behavior and effects, aiding in optimizing dosing regimens and enhancing the probability of clinical trial success.One notable example is Nesiritide (Natrecor®), a recombinant human brain natriuretic peptide for treating acute decompensated congestive heart failure (CHF).


