iScience | VOL. 25
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Deep neural network modeling identifies biomarkers of response to immune-checkpoint therapy.

Publication Date May 20, 2022

Abstract

Immunotherapy has shown significant promise as a treatment for cancer, such as lung cancer and melanoma. However, only 10%-30% of the patients respond to treatment with immune checkpoint blockers (ICBs), underscoring the need for biomarkers to predict response to immunotherapy. Here, we developed DeepGeneX, a computational framework that uses advanced deep neural network modeling and feature elimination to reduce single-cell RNA-seq data on ∼26,000 genes to six of the most important genes (CCR7, SELL, GZMB, WARS, GZMH, and LGALS1), that accurately predict response to immunotherapy. We also discovered that the high LGALS1 and WARS-expressing macrophage population represent a biomarker for ICB therapy nonresponders, suggesting that these macrophages may be a target for improving ICB response. Taken together, DeepGeneX enables biomarker discovery and provides an understanding of the molecular basis for the model's predictions.

Concepts
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Immune Checkpoint Blockers
Deep Neural Network Modeling
Deep Modeling
Deep Neural Network Feature
Computational Framework
Important Genes
Advanced Neural Network
Treatment For Cancer
Neural Network Feature
Model's Predictions

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