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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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Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
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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...
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Author Spotlight: Cost-Effective Transcriptomic Drug Screening - Unlocking New Targets
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Advances in Genomics for Drug Development.

Roberto Spreafico1, Leah B Soriaga1, Johannes Grosse1

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Genetic and genomic insights accelerate drug development by aiding target identification and validation. Utilizing population genomics, gene expression analysis, and CRISPR screening enhances drug candidate selection and approval probability.

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Area of Science:

  • Genomics and Transcriptomics in Drug Discovery

Background:

  • Genetic and genomic knowledge significantly aids drug development, from target identification to advancing drug leads.
  • Population genomics, gene expression analysis, and CRISPR editing are key tools in modern drug discovery.

Purpose of the Study:

  • To review the contribution of population genomics to target identification.
  • To highlight the value of gene expression analysis for understanding drug target biological relevance.
  • To discuss the role of genome-wide CRISPR editing in prioritizing drug targets.

Main Methods:

  • Genomics: Comparing genome-wide association studies (GWAS) using genotyping arrays, exome sequencing, and whole genome sequencing.
  • Transcriptomics: Analyzing gene expression data from bulk and single-cell studies, including drug perturbation.
  • CRISPR Screens: Employing genome-wide CRISPR editing for target discovery, mechanism of action studies, and gene-to-drug mapping.

Main Results:

  • Population genomics effectively contributes to identifying potential drug targets.
  • Gene expression analyses (bulk and single-cell) provide insights into the biological significance of drug targets.
  • CRISPR screens enable efficient prioritization of drug targets and elucidation of their mechanisms.

Conclusions:

  • Integrating genetic and genomic approaches increases the likelihood of successful drug developability and regulatory approval.
  • Harnessing diverse genomic and transcriptomic data is crucial for efficient and effective drug discovery pipelines.