相关实验视频

Updated: Jul 21, 2025

Perturbing Endothelial Biomechanics via Connexin 43 Structural Disruption
09:20

Perturbing Endothelial Biomechanics via Connexin 43 Structural Disruption

Published on: October 4, 2019

5.6K

使用定量结构-活动关系模型评估Cx43间隙结阻尼剂

Ramona Matusevičiūtė1, Eglė Ignatavičiūtė1, Rokas Mickus2

  • 1Faculty of Medicine, Lithuanian University of Health Sciences, 03101 Kaunas, Lithuania.

Biomedicines
|July 29, 2023
PubMed
概括

定量结构-活性关系 (QSAR) 模型精确地识别了强大的连xin-43 (Cx43) 间隙结 (GJ) 抑制剂,用于心脏病. 与分子对接相比,QSAR模型与实验数据的相关性较好,用于预测抑制剂疗效.

关键词:
在Cx43中,Cx43是IC50 IC50 IC50 IC50 IC50 IC50 IC50 IC50 IC50 IC50 IC50 IC50 IC50行为准则是指行为准则.停靠的对接方式差距连接点 差距连接点 差距连接点抑制剂 抑制剂 抑制剂

更多相关视频

Quantifying Agonist Activity at G Protein-coupled Receptors11:45

Quantifying Agonist Activity at G Protein-coupled Receptors

Published on: December 26, 2011

19.3K
An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay09:47

An Iodide-Yellow Fluorescent Protein-Gap Junction-Intercellular Communication Assay

Published on: February 1, 2019

7.3K

相关概念视频

Quantitative Aspects of Drug-Receptor Interaction01:30

Quantitative Aspects of Drug-Receptor Interaction

The receptor occupancy theory connects a drug's response to the number of occupied receptors. With higher drug concentrations, more receptors are occupied, leading to increased responses. The formation of drug-receptor complexes involves association and dissociation rates, which reach equilibrium when the forward and backward reactions are equal. The equilibrium association constant (Ka) and its inverse, the equilibrium dissociation constant (Kd), indicate drug affinity. Higher Ka and lower...
1.0K
Indirect-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship01:29

Indirect-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship

Indirect-acting cholinergic agonists are agents that interact with the acetylcholinesterase enzyme in the synaptic cleft, preventing the breakdown of acetylcholine into choline and acetate. Consequently, the concentration of acetylcholine in the synaptic cleft increases. These agonists can be classified into reversible and irreversible inhibitors based on their duration of action.
Reversible inhibitors display short to medium durations of action. Short-acting agents include simple alcohols with...
606
Structure-Activity Relationships and Drug Design01:28

Structure-Activity Relationships and Drug Design

Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
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...
770
Direct-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship01:22

Direct-Acting Cholinergic Agonists: Chemistry and Structure-Activity Relationship

Cholinergic agonists or cholinomimetics mimic the action of acetylcholine to stimulate the parasympathetic nervous system. They are categorized into direct-acting and indirect-acting agents. The direct-acting cholinergic drugs induce the parasympathetic response by directly binding to the muscarinic or nicotine receptors. In comparison, the indirect-acting cholinergic drugs prevent acetylcholine hydrolysis, indirectly contributing to the extended parasympathetic response.
The direct-acting...
1.1K
Cholinergic Antagonists: Chemistry and Structure-Activity Relationship01:29

Cholinergic Antagonists: Chemistry and Structure-Activity Relationship

Cholinergic antagonists bind to cholinergic receptors and limit the effects of acetylcholine and other cholinergic agonists. Based on the specific cholinergic receptor affinity, these antagonists are classified as muscarinic or nicotinic. Anticholinergics interrupt parasympathetic innervations while sympathetic innervations remain uninterrupted. Muscarinic antagonists are also called 'muscarinic antagonists', 'antimuscarinics', or 'parasympatholytics'. Nicotinic...
2.3K
Patch Clamp01:18

Patch Clamp

Many fundamental cell functions such as muscle contraction and nerve transmission rely on the electrical signals produced by the movement of positively and negatively charged ions across the cell membrane. One competent method to record current flowing across the whole cell or single ion channel is the patch-clamp technique.
In this method, a glass micropipette containing electrolyte solution is tightly sealed against a small portion of the cell membrane. As a result, a patch of the cell...
5.6K