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Related Concept Videos

Drug Discovery: Overview01:26

Drug Discovery: Overview

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Drug discovery is a multifaceted process involving extensive screening, testing, and optimization of lead compounds to identify potential new drugs for therapeutic use. It combines several approaches, including screening large numbers of natural products, chemical modification of known active molecules, identification of new drug targets, and rational design based on biological mechanisms and drug-receptor structure. These approaches are carried out in both academic research laboratories and...
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Structure-Activity Relationships and Drug Design01:28

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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.
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Protein-Drug Binding: Determination Methods01:22

Protein-Drug Binding: Determination Methods

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Determining protein-drug binding can be achieved through indirect and direct methods, each providing valuable insights into the interaction between proteins and drugs.
Indirect methods involve isolating the bound drug from its free form in biological samples such as blood, serum, or plasma. These techniques aim to measure the percentage of drugs bound to proteins. Equilibrium dialysis is a commonly used method where the free drug concentration at equilibrium is measured by separating the bound...
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Protein Networks02:26

Protein Networks

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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Protein-protein Interfaces02:04

Protein-protein Interfaces

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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Targets for Drug Action: Overview01:26

Targets for Drug Action: Overview

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Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes.
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Updated: Jul 7, 2025

Nano-Differential Scanning Fluorimetry for Screening in Fragment-based Lead Discovery
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Network-Based Methods and Their Applications in Drug Discovery.

Zhuohang Yu1, Zengrui Wu1, Ze Wang1

  • 1Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, Shanghai Key Laboratory of New Drug Design, School of Pharmacy, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.

Journal of Chemical Information and Modeling
|December 27, 2023
PubMed
Summary
This summary is machine-generated.

Network-based methods offer a holistic approach to drug discovery, moving beyond the traditional single-target model. These powerful tools accelerate the identification of new therapeutics by analyzing complex biological networks.

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Area of Science:

  • Systems biology
  • Network pharmacology
  • Computational drug discovery

Background:

  • Traditional drug discovery follows a "one drug → one target → one disease" paradigm, which is often inefficient.
  • Systems biology and network pharmacology enable a shift towards a "multidrug → multitarget → multidisease" approach.
  • Network-based methods align with the holistic nature of biological systems.

Purpose of the Study:

  • To introduce network-based methods in drug discovery.
  • To highlight their applications and challenges.
  • To provide resources for researchers.

Main Methods:

  • Introduction to network concepts and data sources.
  • Overview of classical network methodologies.
  • Discussion of practical applications in drug discovery.

Main Results:

  • Network-based methods are applicable to target prediction, virtual screening, and predicting drug effects.
  • These methods aid in elucidating molecular mechanisms of action.
  • Representative web servers are provided for practical use.

Conclusions:

  • Network-based methods represent a powerful paradigm shift in drug discovery.
  • They offer tools to accelerate the identification and development of novel therapeutics.
  • Addressing current challenges will further enhance their utility.