Related Experiment Videos
Enhancing effect of phenobarbital sodium on Tyzzer's disease in mice
1Department of Veterinary Pathology, Faculty of Agriculture, University of Tokyo, Japan.
Jikken Dobutsu. Experimental Animals
|July 1, 1988
Abstract:
Tyzzer's disease in mice was aggravated by phenobarbital sodium (PB) given consecutively after bacterial inoculation. In PB-treated mice, mortality rate and severity of liver lesions were higher with more prominent bacterial propagation in hepatocytes as compared with non-treated ones, suggesting that PB had an enhancing effect on metabolic activities of host hepatocytes resulting in increased intracellular growth of bacteria.
Insights
Phenobarbital sodium (PB) worsened Tyzzer
Area of Science:
- Hepatology
- Microbiology
- Toxicology
Background:
- Tyzzer's disease is a severe enteric and hepatic disease in various animal species.
- Phenobarbital sodium (PB) is a barbiturate with known effects on hepatic metabolism.
Purpose of the Study:
- To investigate the effect of phenobarbital sodium (PB) on the progression of Tyzzer's disease in mice.
- To elucidate the role of host hepatocyte metabolism in bacterial proliferation during infection.
Main Methods:
- Mice were inoculated with bacteria causing Tyzzer's disease.
- A subset of mice received consecutive doses of phenobarbital sodium (PB).
- Mortality rates and liver lesion severity were assessed.
Main Results:
- PB-treated mice exhibited significantly higher mortality rates compared to controls.
- PB administration led to increased severity of liver lesions and bacterial propagation within hepatocytes.
- Enhanced hepatocyte metabolic activity in PB-treated mice correlated with increased intracellular bacterial growth.
Conclusions:
- Phenobarbital sodium (PB) exacerbates Tyzzer's disease in mice.
- PB enhances host hepatocyte metabolic activity, promoting intracellular bacterial proliferation.
- These findings highlight the impact of drug-induced metabolic changes on infectious disease severity.