- Polyoxometalates--a new class of potent ecto-nucleoside triphosphate diphosphohydrolase (NTPDase) inhibitors.
Polyoxometalates--a new class of potent ecto-nucleoside triphosphate diphosphohydrolase (NTPDase) inhibitors.
Bioorganic & medicinal chemistry letters (2006-09-26)
Christa E Müller, Jamshed Iqbal, Younis Baqi, Herbert Zimmermann, Anita Röllich, Holger Stephan
PMID16997558
ABSTRACT
Polyoxotungstates were identified as potent inhibitors of NTPDases1, 2, and 3. The most potent compound was K(6)H(2)[TiW(11)CoO(40)], exhibiting K(i) values of 0.140 microM (NTPDase1), 0.910 microM (NTPDase2), and 0.563 microM (NTPDase3). One of the compounds, (NH(4))(18)[NaSb(9)W(21)O(86)], was selective for NTPDases2 and 3 versus NTPDase1. NTPDase inhibition might contribute to the described biological effects of polyoxometalates, including their anti-cancer activity.
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