通过基于定量结构-活性关系 (QSAR) 预测建模的生态毒理学影响和来自卡西诺的精神活性物质的生物相互作用
Priyanka Sharma1, Saumili Chakraborty1, Roshan Jaiswal1
1WATER Research Group, Environmental Sustainability and Resource Engineering Lab, Department of Bioengineering, National Institute of Technology Agartala, India.
这项研究使用预测建模来评估甲基化合物,发现甲基二氧化 (MDPV) 具有很高的环境持久性和潜在毒性. 其他甲基也表现出致癌性和血脑屏障透等风险.
科学领域:
- 环境毒理学环境毒理学
- 计算化学是一种计算化学.
- 药理学 药理学是指药理学的学科.
背景情况:
- 甲基是具有新兴环境和健康问题的精神活性物质.
- 了解它们的生态毒理影响和生物相互作用对于风险评估至关重要.
研究的目的:
- 通过预测建模,评估六种加丁化合物的生态毒理学影响和生物相互作用.
- 确定与这些物质相关的潜在环境持久性,生物积累和毒理风险.
主要方法:
- 采用了基于定量结构-活动关系 (QSAR) 和不利结果途径 (AOP) 的预测建模.
- 预测了化学性质,环境命运 (降解,持久性) 和毒理学终点 (致癌性,免疫性,吸收性).
- 进行基因相互作用分析,路径映射和分子对接,以了解生物相互作用.
主要成果:
- 甲基二氧化 (MDPV) 呈现出最大的脂友性,环境持久性和生物度潜力,而TBCP显示出最高的生物积累潜力.
- 与有氧相比,大多数甲基在无氧条件下降解速度较慢.
- 所有的化合物都能穿过血脑屏障; 预测Catinone (Cath),Methcathinone (MC),Methylone (MDMC) 和MDPV是潜在的致癌物.
- MDPV显示出与蛋白质的强烈预测相互作用,表明显著的毒理效应.
结论:
- 预测建模突出显示了丁化合物之间不同的环境持久性和生物积累潜力.
- 由于穿透血脑屏障,几种甲基具有危险性,包括致癌性和神经毒性.
- 由于MDPV的环境持久性和强烈的生物相互作用,因此需要进一步调查.
更多相关视频
05:47In Silico Modeling Method for Computational Aquatic Toxicology of Endocrine Disruptors: A Software-Based Approach Using QSAR Toolbox
Published on: August 28, 2019
11:38High Content Screening Analysis to Evaluate the Toxicological Effects of Harmful and Potentially Harmful Constituents HPHC
Published on: May 10, 2016
相关概念视频
Structure-Activity Relationships and Drug Design
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
CNS Stimulants: Cocaine, Amphetamines and Cannabinoids
Stimulants
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Adrenergic Agonists: Chemistry and Structure-Activity Relationship
Aromatic ring substitutions: Substituting the aromatic ring with –OH groups at positions 3 and 4 yields catecholamines (e.g., epinephrine), which have a high affinity for adrenoceptors. Hydrogen bonding between –OH groups and receptors enhances adrenergic activity.
Separation of...
An Overview of Psychoactive Drugs
Stimulants such as cocaine, amphetamines, and nicotine enhance brain activity, leading to increased alertness, attention, and energy. These drugs typically raise heart rate, blood pressure, and body temperature. While they can induce feelings of euphoria, their misuse can result in severe health...
CNS Stimulants: Psychedelic Agents
