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Related Concept Videos

Pharmacokinetics: Drug–Drug Interactions01:25

Pharmacokinetics: Drug–Drug Interactions

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Drug interactions occur when the pharmacological effect of one drug is altered by another substance, either enhancing or diminishing its activity. The drug whose activity is altered is known as the object drug, and the substance causing the alteration is called the agent drug or the precipitant. The net effects of these interactions are mostly undesirable, leading to decreased effectiveness or increased adverse effects. In rare cases, interactions can be beneficial, such as the enhanced...
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Drug-receptor interaction describes the binding of receptors by drugs, but not all drug-receptor interactions result in activation and tissue response. For instance, the binding of agonists activates the receptor to generate a cellular reaction, while antagonists bind to receptors without causing their activation.
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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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Pharmacokinetics: Drug–Food and Drug–Viral Interactions01:26

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A drug interaction occurs when the concurrent use of another drug, food, or an external substance alters the pharmacological activity of a drug. This interaction can modify the action of the original drug, affecting its effectiveness and safety.Drug–food interactions are significant as they impact drug absorption, metabolism, and excretion. For example, grapefruit juice is a well-known disruptor of drug metabolism. It inhibits the cytochrome P450 3A4 enzyme, crucial for the metabolism of...
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Factors Affecting Protein-Drug Binding: Drug Interactions01:23

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Drug interactions are a critical aspect of pharmacology and can occur when two or more drugs compete for the same binding site. This competition can result in one drug displacing another, altering the effect of the displaced drug. Drug interactions are complex processes that rely heavily on how much of the displacer drug is present and how strongly it can bind to the same sites as the displaced drug.
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Drug-Receptor Interaction: Antagonist01:28

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An antagonist is a drug that binds strongly to a receptor without activating it. An antagonist prevents other molecules, such as neurotransmitters or hormones, from binding to the receptor and triggering a cellular response. Such interaction effectively hinders the normal physiological processes mediated by the receptor, resulting in various pharmacological effects depending on the specific receptor targeted.
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Nanomechanics of Drug-target Interactions and Antibacterial Resistance Detection
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Trader as a new optimization algorithm predicts drug-target interactions efficiently.

Yosef Masoudi-Sobhanzadeh1, Yadollah Omidi2, Massoud Amanlou3

  • 1Laboratory of systems Biology and Bioinformatics (LBB), Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.

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Summary
This summary is machine-generated.

A new machine learning method using the Trader optimization algorithm accurately predicts drug-target interactions (DTIs). This approach improves upon existing methods, offering enhanced drug discovery capabilities.

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Area of Science:

  • * Computational biology and bioinformatics.
  • * Machine learning and artificial intelligence.
  • * Drug discovery and development.

Background:

  • * Existing machine learning methods for predicting drug benefits have limitations in accuracy.
  • * Efficient prediction of drug-target interactions (DTIs) is crucial for identifying new drug applications.
  • * Novel optimization algorithms are needed to enhance machine learning model performance.

Purpose of the Study:

  • * To introduce a novel machine learning method based on the Trader optimization algorithm.
  • * To evaluate the performance of the Trader algorithm against state-of-the-art optimization techniques.
  • * To demonstrate the efficacy of the Trader-trained neural network in predicting drug-target interactions (DTIs).

Main Methods:

  • * Development of a new optimization algorithm named Trader.
  • * Comparison of Trader with ten other optimization algorithms using benchmark functions.
  • * Design and training of a multi-layer artificial neural network using the Trader algorithm for DTI prediction.
  • * Validation of the proposed method on DTI datasets and comparison with existing approaches.

Main Results:

  • * The Trader algorithm demonstrated superior performance compared to ten other optimization algorithms.
  • * The Trader-trained neural network achieved significant accuracy in predicting unknown drug-target interactions (DTIs).
  • * The proposed method overcomes limitations of existing optimization algorithms, yielding improved outcomes.

Conclusions:

  • * The novel Trader optimization algorithm enhances machine learning model performance for DTI prediction.
  • * This approach offers a more accurate and efficient tool for drug discovery and repurposing.
  • * The developed machine learning method shows significant potential for advancing pharmaceutical research.