ALDH2 mediates 5-nitrofuran activity in multiple species
Linna Zhou1, Hironori Ishizaki, Michaela Spitzer
1School of Chemistry and Biomedical Sciences Research Complex, University of St. Andrews and EaStCHEM, St. Andrews, Fife, Scotland KY16 9ST, UK.
This study identifies a conserved interaction between aldehyde dehydrogenase 2 (ALDH2) and 5-nitrofuran drugs across species. This discovery may help manage toxic side effects of these important antimicrobial prodrugs.
Area of Science:
- Pharmacology
- Biochemistry
- Drug Discovery
Background:
- 5-nitrofurans are crucial prodrugs for bacterial and trypanosome infections.
- Despite efficacy, 5-nitrofurans exhibit significant toxic side effects in humans.
Purpose of the Study:
- To investigate the biological activity and toxicity mechanisms of 5-nitrofurans.
- To identify conserved molecular targets of 5-nitrofurans across different species.
Main Methods:
- Utilized yeast, zebrafish, and human in vitro systems to assess 5-nitrofuran activity.
- Investigated the interaction between aldehyde dehydrogenase 2 (ALDH2) and 5-nitrofurans.
Main Results:
- Identified a conserved interaction between ALDH2 and 5-nitrofurans in yeast, zebrafish, and human systems.
- Demonstrated that the anti-trypanosome drug nifurtimox activity depends on zebrafish Aldh2 and is a substrate for human ALDH2.
Conclusions:
- Revealed a conserved and biologically significant ALDH2-5-nitrofuran interaction.
- This interaction has potential implications for mitigating 5-nitrofuran toxicity in patients.
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