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Updated: Nov 3, 2025

Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro
Published on: January 31, 2022
Analytical and Omics-Based Advances in the Study of Drug-Induced Liver Injury
Thomas Kralj1, Kim L R Brouwer2, Darren J Creek1
1Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, VIC, Australia.
Abstract:
Drug-induced liver injury (DILI) is a significant clinical issue, affecting 1-1.5 million patients annually, and remains a major challenge during drug development-toxicity and safety concerns are the second-highest reason for drug candidate failure. The future prevalence of DILI can be minimized by developing a greater understanding of the biological mechanisms behind DILI. Both qualitative and quantitative analytical techniques are vital to characterizing and investigating DILI. In vitro assays are capable of characterizing specific aspects of a drug's hepatotoxic nature and multiplexed assays are capable of characterizing and scoring a drug's association with DILI. However, an even deeper insight into the perturbations to biological pathways involved in the mechanisms of DILI can be gained through the use of omics-based analytical techniques: genomics, transcriptomics, proteomics, and metabolomics. These omics analytical techniques can offer qualitative and quantitative insight into genetic susceptibilities to DILI, the impact of drug treatment on gene expression, and the effect on protein and metabolite abundance. This review will discuss the analytical techniques that can be applied to characterize and investigate the biological mechanisms of DILI and potential predictive biomarkers.
Insights
Drug-induced liver injury (DILI) poses a significant challenge in drug development. Understanding DILI
Area of Science:
- Hepatology
- Toxicology
- Pharmacology
Background:
- Drug-induced liver injury (DILI) affects millions annually and is a major cause of drug candidate failure.
- Understanding DILI's biological mechanisms is crucial for minimizing its future prevalence.
- Toxicity and safety concerns are the second-leading reason for drug candidate attrition.
Purpose of the Study:
- To review analytical techniques for characterizing and investigating DILI mechanisms.
- To discuss omics-based approaches for deeper biological insight into DILI.
- To explore potential predictive biomarkers for DILI.
Main Methods:
- Review of qualitative and quantitative analytical techniques.
- Discussion of in vitro and multiplexed assays for DILI characterization.
- Exploration of omics-based techniques (genomics, transcriptomics, proteomics, metabolomics).
Main Results:
- In vitro and multiplexed assays characterize drug hepatotoxicity and DILI association.
- Omics techniques provide qualitative and quantitative insights into DILI mechanisms.
- Omics reveal genetic susceptibilities, gene expression changes, and protein/metabolite abundance alterations.
Conclusions:
- Analytical techniques, especially omics, are vital for understanding DILI mechanisms.
- Characterizing DILI through various assays aids in drug development.
- Identifying predictive biomarkers can help mitigate DILI risks.
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