生物化学,药理学和药物学
Sophia K Heuser1, Junjie Li1, Silke Pudewell2
1Department of Cardiology, Pulmonology, and Angiology, University of Duesseldorf, Germany.
Pharmacological reviews
|October 15, 2024
概括
酶酶 (Arg1和Arg2) 在人类健康和疾病中具有不同的细胞特异性和物种特异性作用. 了解这些差异对于开发针对性阿基因酶抑制剂治疗各种疾病,包括癌症的关键.
科学领域:
- 生物化学和分子生物学
- 生理学 生理学 生理学
- 药理学 药理学是指药理学的学科.
背景情况:
- 酸催化L-氨酸的水解成L-氨酸和尿素,有两个异构形式,Arg1和Arg2.
- 酶对于排毒,聚胺合成和调节L-氨酸和氧化 (NO) 是至关重要的.
- 尽管已知功能,但关于酶调节和作用的重要问题仍然存在.
研究的目的:
- 批判性地审查阿尔金纳酶的生物化学,药理学和体内功能.
- 要突出Arg1和Arg2之间的细胞类型和物种特异性差异.
- 讨论从淘汰赛小鼠模型和使用阿基因酶抑制剂的人类研究的见解.
主要方法:
- 审查关于阿尔金纳生物化学和功能的现有文献.
- 对细胞特异性Arg1和Arg2淘汰小鼠数据的分析.
- 检查涉及阿尔金酶抑制剂和化复合阿尔金酶的人类研究.
主要成果:
- Arg1和Arg2表现出不同的细胞定位和功能,在小鼠和人类之间存在显著差异,特别是在免疫和红细胞细胞中.
- 在血管NO信号传递中Arg1的作用取决于环境,在疾病条件下增加.
- 阿尔2主要在L-ornithine,聚胺和proline合成中起作用,在血压调节中可能发挥作用 (小鼠).
结论:
- 需要进一步的研究来阐明Arg1和Arg2的调节,定位和特定物种的作用.
- 更深入的理解将使得针对肝脏,心血管,血液,免疫疾病和癌症的阿尔金纳的药理学策略得到改善.
- 氨酶的免疫抑制功能为癌症治疗开发提供了一个有希望的途径.
相关概念视频
Biopharmaceutics and Pharmacokinetics: Overview
1.9K
Understanding drugs, drug products, and their performance in pharmaceutical science is pivotal. Drugs, whether simple molecules or complex compounds, are designed to interact with the body's biological systems to diagnose, treat, or prevent diseases. Drug products include various delivery systems such as tablets, capsules, injections, and inhalers. The performance of these drug products is gauged by their ability to deliver the active ingredient to the desired site of action at the...
1.9K
Pharmacodynamics: Overview and Principles
972
Pharmacodynamics is a scientific field that delves into drugs' intricate biochemical, cellular, and physiological effects on the human body. The study of pharmacodynamics helps us understand how drugs interact with the body and elicit various responses.
Most drugs' effects result from their interactions with drug receptors or targets within the body. These interactions trigger specific responses at the cellular or systemic level. Drug receptors can be found on the surfaces of cells or...
Most drugs' effects result from their interactions with drug receptors or targets within the body. These interactions trigger specific responses at the cellular or systemic level. Drug receptors can be found on the surfaces of cells or...
972
Pharmacokinetics: Overview
5.7K
Pharmacokinetics is a scientific discipline that focuses on the journey of a drug within the body, encompassing four key stages: absorption, distribution, metabolism, and elimination. The first stage, absorption, involves the drug's transfer into the bloodstream. Several factors dictate the extent and speed of this process. For example, the liver often metabolizes oral drugs before they reach systemic circulation, leading to only partial absorption. In contrast, intravenous (IV)...
5.7K
Drug Biotransformation: Overview
2.4K
Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
2.4K
Chemistry of the Cell
6.8K
6.8K
Fundamental Mathematical Principles in Pharmacokinetics: Mathematical Expressions and Units
558
Mathematical principles play a crucial role in pharmacokinetics, providing a framework for understanding and quantifying drug distribution and elimination dynamics in the body. By utilizing mathematical expressions and units, pharmacologists can accurately characterize the behavior of drugs, optimize dosing regimens, and predict therapeutic outcomes.
One significant application of mathematics in pharmacokinetics is the characterization of drug distribution through the volume of distribution...
One significant application of mathematics in pharmacokinetics is the characterization of drug distribution through the volume of distribution...
558


