Cited by 33Drug-Induced Hepatotoxicity and ProtectionLiver physiology and pathologyImmunotoxicology and immune responses

Transcriptional profiling suggests that Nevirapine and Ritonavir cause drug induced liver injury through distinct mechanisms in primary human hepatocytes

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Terelius, Ylva, Figler, Robert A., Marukian, Svetlana, Collado, Maria S., Lawson, Mark J., Mackey, Aaron J., Manka, David, Qualls, Charles W. +3 more·2016·Chemico-Biological Interactions

Abstract

Drug induced liver injury (DILI), a major cause of pre- and post-approval failure, is challenging to predict pre-clinically due to varied underlying direct and indirect mechanisms. Nevirapine, a non-nucleoside reverse transcriptase inhibitor (NNRTI) and Ritonavir, a protease inhibitor, are antiviral drugs that cause clinical DILI with different phenotypes via different mechanisms. Assessing DILI in vitro in hepatocyte cultures typically requires drug exposures significantly higher than clinical plasma Cmax concentrations, making clinical interpretations of mechanistic pathway changes challenging. We previously described a system that uses liver-derived hemodynamic blood flow and transport parameters to restore primary human hepatocyte biology, and drug responses at concentrations relevant to in vivo or clinical exposure levels. Using this system, primary hepatocytes from 5 human donors were exposed to concentrations approximating clinical therapeutic and supra-therapeutic levels of Nevirapine (11.3 and 175.0 μM) and Ritonavir (3.5 and 62.4 μM) for 48 h. Whole genome transcriptomics was performed by RNAseq along with functional assays for metabolic activity and function. We observed effects at both doses, but a greater number of genes were differentially expressed with higher probability at the toxic concentrations. At the toxic doses, both drugs showed direct cholestatic potential with Nevirapine increasing bile synthesis and Ritonavir inhibiting bile acid transport. Clear differences in antigen presentation were noted, with marked activation of MHC Class I by Nevirapine and suppression by Ritonavir. This suggests CD8+ T cell involvement for Nevirapine and possibly NK Killer cells for Ritonavir. Both compounds induced several drug metabolizing genes (including CYP2B6, CYP3A4 and UGT1A1), mediated by CAR activation in Nevirapine and PXR in Ritonavir. Unlike Ritonavir, Nevirapine did not increase fatty acid synthesis or activate the respiratory electron chain with simultaneous mitochondrial uncoupling supporting clinical reports of a lower propensity for steatosis. This in vitro study offers insights into the disparate direct and immune-mediated toxicity mechanisms underlying Nevirapine and Ritonavir toxicity in the clinic.

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  • Applying liver sinusoidal hemodynamics and interstitial fluid transport parameters restores a mature, differentiated, in vivo hepatocyte phenotype and function.

    “We previously described an approach that applies liver sinusoidal hemodynamics and interstitial fluid transport parameters to restore a mature, differentiated, in vivo hepatocyte phenotype and function”

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Authors
Terelius, Y., Figler, R. A., Marukian, S., Collado, M. S., Lawson, M. J., Mackey, A. J., Manka, D., Qualls, C. W., Blackman, B. R., Wamhoff, B. R., & Dash, A.
Affiliations
  • Medivir (Sweden) (SE)
  • HemoShear (United States) (US)
Corresponding author
Dash, Ajit
Venue
Chemico-Biological Interactions
Publisher
Elsevier BV
Published
2016-08
Volume
255
Pages
31-44
ISSN
0009-2797 (ISSN-L)
OpenAlex
W2183384736
Cited by
33
References
74
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2023: 1 · 2022: 1 · 2021: 4 · 2020: 6 · 2019: 2 · 2018: 1 · 2017: 5 · 2016: 6 · 2015: 1
FWCI
5.05
Type
journal article
Language
en
Open access
Locations
  • Chemico-Biological Interactions (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • NIH
  • NIDDK (R44 DK091104)
Topics
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Pharmacology › Drug-Induced Hepatotoxicity and Protection
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
Keywords
drug-induced liver injury, nevirapine, ritonavir, hepatotoxicity mechanisms, primary human hepatocytes, cholestasis, bile acid transport, MHC class I antigen presentation, CD8+ T cells, natural killer cells, drug-metabolizing enzymes, CYP2B6, CYP3A4, UGT1A1, mitochondrial uncoupling, steatosis, antiretroviral drugs, transcriptomics
MeSH terms
Cells, Cultured, Drug Evaluation, Preclinical, Humans, Liver, Cell Culture Techniques, Anti-HIV Agents, Ritonavir, Nevirapine, Hepatocytes, Chemical and Drug Induced Liver Injury, Transcriptome

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