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Expression Levels of GABA-A Receptor Subunit Alpha 3, Gabra3 and Lipoprotein Lipase, Lpl Are Associated with the Susceptibility to Acetaminophen-Induced Hepatotoxicity
Biomolecules & Therapeutics ; : 112-121, 2017.
Article in English | WPRIM | ID: wpr-226871
ABSTRACT
Drug-induced liver injury (DILI) is the serious and fatal drug-associated adverse effect, but its incidence is very low and individual variation in severity is substantial. Acetaminophen (APAP)-induced liver injury accounts for >50% of reported DILI cases but little is known for the cause of individual variations in the severity. Intrinsic genetic variation is considered a key element but the identity of the genes was not well-established. Here, pre-biopsy method and microarray technique was applied to uncover the key genes for APAP-induced liver injury in mice, and a cause and effect experiment employing quantitative real-time PCR was conducted to confirm the correlation between the uncovered genes and APAP-induced hepatotoxicity. We identified the innately and differentially expressed genes of mice susceptible to APAP-induced hepatotoxicity in the pre-biopsied liver tissue before APAP treatment through microarray analysis of the global gene expression profiles (Affymetrix GeneChip® Mouse Gene 1.0 ST for 28,853 genes). Expression of 16 genes including Gdap10, Lpl, Gabra3 and Ccrn4l were significantly different (t-test FDR <10%) more than 1.5 fold in the susceptible animals than resistant. To confirm the association with the susceptibility to APAP-induced hepatotoxicity, another set of animals were measured for the expression level of selected 4 genes (higher two and lower two genes) in the liver pre-biopsy and their sensitivity to APAP-induced hepatotoxicity was evaluated by post hoc. Notably, the expressions of Gabra3 and Lpl were significantly correlated with the severity of liver injury (p<0.05) demonstrating that these genes may be linked to the susceptibility to APAP-induced hepatotoxicity.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Genetic Variation / Incidence / Receptors, GABA-A / Toxicogenetics / Microarray Analysis / Chemical and Drug Induced Liver Injury / Real-Time Polymerase Chain Reaction / Transcriptome / Lipoprotein Lipase / Lipoproteins Type of study: Incidence study / Prognostic study Limits: Animals Language: English Journal: Biomolecules & Therapeutics Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Genetic Variation / Incidence / Receptors, GABA-A / Toxicogenetics / Microarray Analysis / Chemical and Drug Induced Liver Injury / Real-Time Polymerase Chain Reaction / Transcriptome / Lipoprotein Lipase / Lipoproteins Type of study: Incidence study / Prognostic study Limits: Animals Language: English Journal: Biomolecules & Therapeutics Year: 2017 Type: Article