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Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
Published on: November 27, 2019
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Blood gene expression profiling of an early acetaminophen response
P R Bushel1,2, R D Fannin3,4, K Gerrish3,4
1Microarray and Genome Informatics Group, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA.
The Pharmacogenomics Journal
|March 2, 2016
Summary
Acetaminophen overdose can harm the liver. Researchers identified 12 early responsive genes in whole blood that accurately detect acetaminophen exposure and liver response within 24 hours.
Area of Science:
- Toxicology
- Genomics
- Biomarker Discovery
Background:
- Acetaminophen overdose poses a significant risk of liver damage.
- Early detection of acetaminophen exposure is crucial for timely intervention.
- Identifying reliable biomarkers for acetaminophen toxicity is an unmet clinical need.
Purpose of the Study:
- To identify early molecular indicators of acetaminophen-induced liver response using whole blood gene expression.
- To assess the potential of these genes as biomarkers for acetaminophen exposure and toxicity.
Main Methods:
- A clinical study involving healthy subjects dosed with acetaminophen or placebo for 7 days.
- Monitoring of alanine aminotransferase (ALT) levels.
- Whole blood gene expression profiling within 24 hours of dosing.
Main Results:
- Twelve genes showed significantly altered expression profiles within 24 hours in acetaminophen responders.
- These early responsive genes accurately distinguished between acetaminophen-exposed subjects and controls.
- Gene expression patterns predicted exposure classifications with 100% accuracy.
Conclusions:
- Early responsive genes in whole blood can serve as sensitive indicators of acetaminophen exposure.
- Gene expression profiling holds potential as a non-invasive molecular diagnostic tool for acetaminophen toxicity.
- Further evaluation of these genes may lead to improved clinical monitoring strategies.
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