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BML-257, a small molecule that protects against drug induced liver injury in zebrafish

Jagtap, U.; Basu, S.; Lokhande, L.; Bharti, N.; Sachidanandan, C.

2022-01-09 molecular biology
10.1101/2022.01.09.475146 bioRxiv
Show abstract

The use of many essential drugs is restricted due to their deleterious effects on the liver. Molecules that can prevent or protect the liver from drug induced liver injury (DILI) would be valuable in such situations. We used hepatocyte-specific expression of bacterial nitroreductase in zebrafish to cause temporally controlled liver damage. This transgenic line was used to run a whole organism based chemical screen in zebrafish larvae. In this screen we identified BML-257, a potent small molecule AKT inhibitor, that protected the liver against metronidazole-induced liver injury. BML-257 also showed potent prophylactic and pro-regenerative activity in this liver damage model. BML-257 also showed remarkable protective action in two independent toxicological models of liver injury caused by acetaminophen and Isoniazid. This suggests that BML-257 may have the potential to protect against multiple kinds of drug induced liver injury.

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