A survey of optimal strategy for signature-based drug repositioning and an application to liver cancer
Abstract
Pharmacologic perturbation projects, such as Connectivity Map (CMap) and Library of Integrated Network-based Cellular Signatures (LINCS), have produced many perturbed expression data, providing enormous opportunities for computational therapeutic discovery. However, there is no consensus on which methodologies and parameters are the most optimal to conduct such analysis. Aiming to fill this gap, new benchmarking standards were developed to quantitatively evaluate drug retrieval performance. Investigations of potential factors influencing drug retrieval were conducted based on these standards. As a result, we determined an optimal approach for LINCS data-based therapeutic discovery. With this approach, homoharringtonine (HHT) was identified to be a candidate agent with potential therapeutic and preventive effects on liver cancer. The antitumor and antifibrotic activity of HHT was validated experimentally using subcutaneous xenograft tumor model and carbon tetrachloride (CCL4)-induced liver fibrosis model, demonstrating the reliability of the prediction results. In summary, our findings will not only impact the future applications of LINCS data but also offer new opportunities for therapeutic intervention of liver cancer.
Data availability
Sequencing data have been deposited in GEO under accession codes GSE180243 and GSE193897.All data generated or analysed during this study are included in the manuscript and supporting files.
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Article and author information
Author details
Funding
National Natural Science Foundation of China (81972208)
- Hui Wang
National Natural Science Foundation of China (82170646)
- Hualian Hang
Shanghai Natural Science Foundation (19ZR1452700)
- Hui Wang
The Interdisciplinary Program of Shanghai Jiao Tong University (YG2021ZD10)
- Hualian Hang
The funders had no role in study design, data collection and interpretation, or the decision to submit the work for publication.
Ethics
Animal experimentation: All animals were manipulated according to protocols approved by the Shanghai Medical Experimental Animal Care Commission and Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine.
Copyright
© 2022, Yang et al.
This article is distributed under the terms of the Creative Commons Attribution License permitting unrestricted use and redistribution provided that the original author and source are credited.
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