Benzoxazepine-Derived Selective, Orally Bioavailable Inhibitor of Human Acidic Mammalian Chitinase

Human acidic mammalian chitinase (hAMCase) is one of two true chitinases in humans, the function of which remains elusive. In addition to the defense against highly antigenic chitin and chitin-containing pathogens in the gastric and intestinal contents, AMCase has been implicated in asthma, allergic...

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Veröffentlicht in:ACS medicinal chemistry letters 2020-06, Vol.11 (6), p.1228-1235
Hauptverfasser: Andryianau, Gleb, Kowalski, Michal, Piotrowicz, Michal C., Rajkiewicz, Adam A., Dymek, Barbara, Sklepkiewicz, Piotr L., Pluta, Elzbieta, Stefaniak, Filip, Czestkowski, Wojciech, Olejniczak, Sylwia, Mazur, Marzena, Niedziejko, Piotr, Koralewski, Robert, Matyszewski, Krzysztof, Gruza, Mariusz, Zagozdzon, Agnieszka, Salamon, Magdalena, Rymaszewska, Aleksandra, Welzer, Mikolaj, Dzwonek, Karolina, Golab, Jakub, Olczak, Jacek, Bartoszewicz, Agnieszka, Golebiowski, Adam
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container_end_page 1235
container_issue 6
container_start_page 1228
container_title ACS medicinal chemistry letters
container_volume 11
creator Andryianau, Gleb
Kowalski, Michal
Piotrowicz, Michal C.
Rajkiewicz, Adam A.
Dymek, Barbara
Sklepkiewicz, Piotr L.
Pluta, Elzbieta
Stefaniak, Filip
Czestkowski, Wojciech
Olejniczak, Sylwia
Mazur, Marzena
Niedziejko, Piotr
Koralewski, Robert
Matyszewski, Krzysztof
Gruza, Mariusz
Zagozdzon, Agnieszka
Salamon, Magdalena
Rymaszewska, Aleksandra
Welzer, Mikolaj
Dzwonek, Karolina
Golab, Jakub
Olczak, Jacek
Bartoszewicz, Agnieszka
Golebiowski, Adam
description Human acidic mammalian chitinase (hAMCase) is one of two true chitinases in humans, the function of which remains elusive. In addition to the defense against highly antigenic chitin and chitin-containing pathogens in the gastric and intestinal contents, AMCase has been implicated in asthma, allergic inflammation, and ocular pathologies. Potent and selective small-molecule inhibitors of this enzyme have not been identified to date. Here we describe structural modifications of compound OAT-177 , a previously developed inhibitor of mouse AMCase, leading to OAT-1441 , which displays high activity and selectivity toward hAMCase. Significantly reduced off-target activity toward the human ether-à-go-go-related gene (hERG) and a good pharmacokinetic profile make OAT-1441 a potential candidate for further preclinical development as well as a useful tool compound to study the physiological role of hAMCase.
doi_str_mv 10.1021/acsmedchemlett.0c00092
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title Benzoxazepine-Derived Selective, Orally Bioavailable Inhibitor of Human Acidic Mammalian Chitinase
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