Potent metabolic sialylation inhibitors based on C-5 modified fluorinated sialic acids

Torben Heise, Johan Pijnenborg, Christian Büll, Niek van Hilten, Esther Kers-Rebel, Natasja Balneger, Hidde Elferink, Gosse J Adema, Thomas J Boltje

18 Citationer (Scopus)

Abstract

Sialic acid sugars on mammalian cells regulate numerous biological processes, while aberrant expression of sialic acid is associated with diseases such as cancer and pathogenic infection. Inhibition of the sialic acid biosynthesis may therefore hold considerable therapeutic potential. To effectively decrease the sialic acid expression, we synthesized C-5-modified 3-fluoro sialic acid sialyltransferase inhibitors. We found that C-5 carbamates significantly enhanced and prolonged the inhibitory activity in multiple mouse and human cell lines. As an underlying mechanism, we have identified that carbamate-modified 3-fluoro sialic acid inhibitors are more efficiently metabolized to their active cytidine monophosphate analogues, reaching higher effective inhibitor concentrations inside cells.

OriginalsprogEngelsk
TidsskriftJournal of Medicinal Chemistry
Vol/bind62
Udgave nummer2
Sider (fra-til)1014-1021
ISSN0022-2623
DOI
StatusUdgivet - 24 jan. 2019
Udgivet eksterntJa

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