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Evaluation of NanoLuc substrates for bioluminescence imaging of transferred cells in mice by Natasa Gaspar; Joel R. Walker; Giorgia Zambito; Kranthi Marella-Panth; Clemens Lowik; Thomas A. Kirkland; Laura Mezzanotte is a Medicine article available to read on EtoBox.

What is Evaluation of NanoLuc substrates for bioluminescence imaging of transferred cells in mice about?

NanoLuc luciferase recently gained popularity due to its small size and superior bioluminescence performance. For in vivo imaging applications, NanoLuc has been limited by its substrate furimazine, which has low solubility and bioavailability. Herein, we compared the performances of recently reported NanoLuc luciferase substrates for in vivo imaging in mice. Two substrates with improved aqueous solubility, hydrofurimazine and fluorofurimazine, were evaluated along with three stabilized O-acetylated furimazine analogues, the hikarazines. All 5 analogues, when tested in vitro, displayed greater signal intensity and reaction duration, in comparison to the standard NanoLuc substrate, furimazine. The two best-performing analogues from the in vitro study were selected for further in vivo testing. The NanoLuc/fluorofurimazine pair demonstrated the highest bioluminescence intensity, post intravenous administration. It was found to be around 9-fold brighter compared to the NanoLuc/furimazine and 11-fold more intense than the NanoLuc/hikarazine-003 pair, with an average of 3-fold higher light emission when the substrate was injected intraperitoneally, in a subcutaneous model. Excitingly, des

Who reads Evaluation of NanoLuc substrates for bioluminescence imaging of transferred cells in mice?

Author

Natasa Gaspar; Joel R. Walker; Giorgia Zambito; Kranthi Marella-Panth; Clemens Lowik; Thomas A. Kirkland; Laura Mezzanotte

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Medicine (Physical Sciences)