Autoencoder-based drug synergy framework for malignant diseases

Pooja Rani1, Kamlesh Dutta1, Vijay Kumar2

  • 1Computer Science and Engineering Department, National Institute of Technology, Hamirpur, HP, 177005, India.

PubMed

Insights

This study introduces AESyn, an autoencoder-based framework that accurately predicts synergistic drug combinations for cancer treatment. It efficiently navigates vast drug spaces, outperforming existing methods for improved cancer therapies.

Area of Science:

  • Computational biology
  • Bioinformatics
  • Machine learning in drug discovery

Background:

  • Drug combinations offer improved efficacy, reduced toxicity, and overcome resistance in treating malignant diseases compared to monotherapy.
  • The empirical exploration of potential drug combinations is challenging due to the vast combinatorial space.
  • Machine learning and deep learning methods are increasingly employed to identify synergistic drug combinations within large datasets.

Purpose of the Study:

  • To propose AESyn, a novel autoencoder-based framework for predicting drug synergy in malignant diseases.
  • To utilize a bag-of-words encoding technique for extracting drug-targeted genes and drug features.
  • To evaluate the framework's performance using classification and regression metrics and compare it with existing methods.

Main Methods:

  • Developed AESyn, an autoencoder-based framework utilizing bag-of-words encoding to represent drug-targeted genes.
  • Inputted drug embeddings and drug-targeted genes into autoencoders for feature extraction.
  • Trained and validated the framework using screening data from the NCI-ALMANAC and O'Neil datasets.
  • Evaluated performance using classification and regression metrics, including accuracy, AUROC, and MAPE.

Main Results:

  • The proposed AESyn framework achieved high predictive performance.
  • Achieved an accuracy of 95% and an Area Under the Receiver Operating Characteristic curve (AUROC) of 94.2%.
  • Demonstrated a Mean Absolute Percentage Error (MAPE) of 7.2, indicating precise regression predictions.

Conclusions:

  • The autoencoder-based AESyn framework provides a stable and order-independent method for predicting drug synergy in malignant diseases.
  • The framework effectively extracts drug features and predicts synergistic combinations, offering a promising computational approach.
  • AESyn demonstrates superior performance compared to existing methods, paving the way for more efficient drug discovery in oncology.

Related Concept Videos

Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
4.9K
Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

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.
Such synergistic combinations...
3.7K
Combined Effects of Drugs: Antagonism01:30

Combined Effects of Drugs: Antagonism

The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
8.3K
Agonism and Antagonism: Quantification01:14

Agonism and Antagonism: Quantification

When drugs are administered, they can elicit either an agonist or antagonist effect on the body. Agonism occurs when a drug activates a specific receptor, triggering a biological response. On the other hand, antagonism happens when a drug binds to the same receptors but blocks their activation, thereby preventing a biological response.
To quantify these effects, researchers use a dose-response curve, which provides valuable information about the potency and efficacy of a drug. Potency refers to...
325