提摩尔的抗炎作用:通过体内方法和分子动态模拟,强调分子相互作用
Muhammad Torequl Islam1,2,3, Mehedi Hasan Bappi1,2, Md Shimul Bhuia1,2
1Department of Pharmacy, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh.
Frontiers in chemistry
|July 10, 2024
概括
甲基醇 (THY) 在小鼠和模型中显著降低了炎症,可能是通过向环氧化酶-2 (COX-2) 来实现. 这种天然化合物显示出作为治疗炎症疾病的治疗剂的希望.
科学领域:
- 药理学 药理学是指药理学的学科.
- 自然产品 化学 化学
- 计算化学的计算化学
背景情况:
- 乙醇 (THY),一种天然的单烯,具有已知的抗氧化和抗炎性质.
- 炎症过程导致各种疾病,需要寻找有效的治疗剂.
研究的目的:
- 在已建立的动物模型中评估Thymol (THY) 的抗炎作用.
- 使用计算方法阐明THY抗炎作用的分子机制.
主要方法:
- 在体内进行抗炎性评估,使用小鼠的甲胺诱导的脚胀和小鸟的卵胺诱导的炎症.
- 在分析包括分子对接与循环氧化酶 (COX) 酶和分子动态 (MD) 模拟.
- 与标准抗炎药物的比较分析:赛莱科克西布和凯托.
主要成果:
- 提摩尔 (THY) 在两种动物模型中都表现出剂量依赖且显著减少脚胀和行为 (p < 0.05).
- 当THY与单独的THY或celecokxib相比,与罗结合时,THY表现出增强的抗炎作用.
- 分子对接显示THY与循环氧化酶-2 (COX-2) 的结合亲和力比COX-1更高,结合发生在已知抑制剂占据的活性位点.
- 分子动力学模拟证实了THY-COX-2复合物的稳定性.
结论:
- 甲基醇 (THY) 在体内具有显著的抗炎性质,其在小鼠和小模型中的作用证明了这一点.
- THY的抗炎机制可能涉及抑制循环氧化酶-2 (COX-2).
- 甲基醇 (THY) 是一种有前途的候选物,可用于开发针对炎症疾病的新疗法.
相关概念视频
Drug-Receptor Interaction: Agonist
Agonists are drugs that interact with specific receptors in the body to produce a biological response. When an agonist binds to a receptor, it activates or enhances the receptor's function, leading to physiological effects. The interaction between agonist drugs and receptors is crucial for their therapeutic action in various medical treatments.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous ligand's action.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous ligand's action.
Combined Effects of Drugs: Antagonism
The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
Pharmacodynamic Models: Direct Effect Model and Indirect Response Model
Pharmacodynamic models are essential tools in understanding the relationship between drug concentrations and their effects on biological systems. By characterizing the dynamics of drug action, these models guide dose selection, optimize therapeutic efficacy, and inform the development of new drugs. Two major classes of pharmacodynamic models include direct effect and indirect response models.Direct Effect ModelsDirect effect models describe the immediate relationship between drug concentration...
Acute Inflammation II: Local and Systemic Effects
Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
Healing I: Introduction
Healing is the physiological process by which the body restores the integrity and function of damaged tissues following injury. It involves a coordinated interplay of cellular proliferation, extracellular matrix remodeling, and growth factor signaling. The extent and nature of the tissue damage determine whether healing occurs by resolution, regeneration, or replacement.ResolutionResolution represents the most complete form of healing, occurring when the injury is minimal and tissue...


