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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...
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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...
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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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.
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In Vitro Drug Release Testing: Overview, Development and Validation01:10

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In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
Therapeutic Drug Monitoring: Drug Analysis Methods01:26

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Therapeutic Drug Monitoring (TDM) is a clinical practice that measures specific drug levels in a patient's blood or body tissues to tailor drug therapy effectively. This monitoring is critical for managing drugs with narrow therapeutic indices like digoxin and phenytoin, ensuring they are both safe and effective. For instance, monitoring theophylline levels in asthma patients involves precision and sensitivity to adjust doses according to individual responses to therapy, ensuring efficacy and...

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Biosensor-based High Throughput Biopanning and Bioinformatics Analysis Strategy for the Global Validation of Drug-protein Interactions
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Target validation: A door to drug discovery.

X P Chen1, G H Du

  • 1Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.

Drug Discoveries & Therapeutics
|April 17, 2012
PubMed
Summary

This review details drug target identification and validation, crucial steps in modern rational drug discovery. It highlights the importance of rigorous validation processes and introduces lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) as a potential anti-atherosclerotic drug target.

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Protein Target Prediction and Validation of Small Molecule Compound
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Protein Target Prediction and Validation of Small Molecule Compound

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Area of Science:

  • Pharmacology
  • Biochemistry
  • Drug Discovery

Background:

  • Drug discovery has evolved from serendipitous findings to a rational, target-driven process.
  • Effective drug target selection and validation are paramount for successful new drug development.
  • Understanding the definition and characteristics of drug targets is essential.

Purpose of the Study:

  • To define drug targets and propose key characteristics for their selection.
  • To critically evaluate the drug target validation process, including potential pitfalls.
  • To illustrate target validation using lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) as an anti-atherosclerotic target.

Main Methods:

  • Literature review on drug target definition and validation methodologies.
  • Analysis of the limitations associated with the term 'drug target'.
  • Case study: Validation of LOX-1 for anti-atherosclerosis drug development.

Main Results:

  • Established criteria for effective drug target identification and validation.
  • Identified common pitfalls in the drug target validation process.
  • Demonstrated the utility of small active chemical compounds in target validation research.
  • LOX-1 validated as a promising target for anti-atherosclerotic therapies.

Conclusions:

  • Rigorous target validation is critical for advancing rational drug discovery.
  • The proposed characteristics and outlined pitfalls enhance the drug development process.
  • LOX-1 represents a significant advancement in targeting atherosclerosis.