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Related Concept Videos

Drug Discovery: Overview01:26

Drug Discovery: Overview

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...
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 its...
Pharmacogenomics: Identification of New Drug Targets01:29

Pharmacogenomics: Identification of New Drug Targets

Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
Preclinical Development: Overview01:28

Preclinical Development: Overview

Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...
Protein Networks02:26

Protein Networks

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.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Targets for Drug Action: Overview01:26

Targets for Drug Action: Overview

Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes.
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...

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Related Experiment Video

Updated: May 8, 2026

Nano-Differential Scanning Fluorimetry for Screening in Fragment-based Lead Discovery
06:26

Nano-Differential Scanning Fluorimetry for Screening in Fragment-based Lead Discovery

Published on: May 16, 2021

Network-based approaches in drug discovery and early development.

J M Harrold1, M Ramanathan, D E Mager

  • 1Department of Pharmaceutical Sciences, University at Buffalo, State University of New York, Buffalo, New York, USA.

Clinical Pharmacology and Therapeutics
|September 13, 2013
PubMed
Summary

Network-based approaches are crucial for identifying novel drug targets in complex diseases. Integrating systems biology and pharmacology enhances target identification for effective and safe drug development.

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Last Updated: May 8, 2026

Nano-Differential Scanning Fluorimetry for Screening in Fragment-based Lead Discovery
06:26

Nano-Differential Scanning Fluorimetry for Screening in Fragment-based Lead Discovery

Published on: May 16, 2021

Biosensor-based High Throughput Biopanning and Bioinformatics Analysis Strategy for the Global Validation of Drug-protein Interactions
08:31

Biosensor-based High Throughput Biopanning and Bioinformatics Analysis Strategy for the Global Validation of Drug-protein Interactions

Published on: December 1, 2020

Area of Science:

  • Drug discovery and development
  • Systems biology
  • Pharmacology

Background:

  • Complex diseases involve multiple genetic and environmental factors.
  • Identifying viable drug targets is challenging within the efficacy-toxicity spectrum.
  • Network-based approaches show promise for novel and repositioned drug targets.

Purpose of the Study:

  • To highlight network approaches for novel drug target identification.
  • To improve chances of drug approval with maximal efficacy and minimal side effects.
  • To explore integration of computational systems biology and pharmacodynamic systems analysis.

Main Methods:

  • Utilizing network-based approaches for target identification.
  • Integrating computational systems biology with pharmacodynamic systems analysis.
  • Coupling multi-omics data (genomics, proteomics, metabolomics) with systems pharmacology modeling.

Main Results:

  • Network approaches facilitate identification of novel drug targets.
  • Enhanced integration can lead to improved drug efficacy and safety profiles.
  • Disease-specific networks aid in building confidence for target identification.

Conclusions:

  • Network approaches are vital for efficient drug discovery.
  • Integrating multi-omics and systems pharmacology advances target identification.
  • This strategy promises more effective and safer therapeutics for complex diseases.