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Related Concept Videos

Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

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Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
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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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The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
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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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Updated: Apr 19, 2026

High-throughput Identification of Synergistic Drug Combinations by the Overlap2 Method
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Utilizing diversity-oriented synthesis in antimicrobial drug discovery.

Eamon Comer1, Jeremy R Duvall, Maurice duPont Lee

  • 1Therapeutics Platform, Broad Institute of MIT & Harvard, 7 Cambridge Center, Cambridge, MA 02142, USA.

Future Medicinal Chemistry
|December 16, 2014
PubMed
Summary

Antimicrobial resistance is a growing threat. Diversity-oriented synthesis offers a novel approach to discover new small molecules for antimicrobial drug discovery, addressing limitations of current methods.

Keywords:
Trypanosoma cruzichemical complexitydiversity-oriented synthesisdrug discoveryhepatitis C virusinfectious diseasemalariaorthopoxviruses

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Area of Science:

  • Medicinal Chemistry
  • Drug Discovery
  • Antimicrobial Resistance

Background:

  • The rise of antimicrobial resistance poses a significant global health threat.
  • Current antimicrobial drug pipelines are insufficient to combat this challenge.
  • Existing small molecule libraries have limitations for discovering novel antimicrobial agents.

Purpose of the Study:

  • To review the application of diversity-oriented synthesis (DOS) in generating novel small molecule collections.
  • To highlight the potential of DOS-derived compounds for antimicrobial drug discovery.
  • To address the need for new strategies in the face of antimicrobial resistance.

Main Methods:

  • Focus on diversity-oriented synthesis (DOS) as a strategy for generating diverse compound libraries.
  • Discuss the characteristics of DOS molecules in terms of complexity and synthetic efficiency.
  • Review the use of DOS compound collections in antimicrobial screening assays.

Main Results:

  • DOS enables the creation of compound collections with high structural diversity.
  • DOS molecules offer a balance between complexity and synthetic feasibility, surpassing limitations of natural products and commercial libraries.
  • DOS represents a promising avenue for identifying novel antimicrobial scaffolds.

Conclusions:

  • Diversity-oriented synthesis is a valuable strategy for expanding the chemical space available for antimicrobial drug discovery.
  • DOS-generated libraries can overcome limitations associated with traditional sources of small molecules.
  • Further exploration of DOS compounds is crucial for developing new agents to combat antimicrobial resistance.