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Decoding structural determinants of aryl hydrocarbon receptor antagonism by monoterpenoids
I. Zůvalová, B. Vyhlídalová, K. Ondrová, P. Nádvorník, J. Hrubý, P. Illés, M. Soural, M. Šebela, L. Šindlerová, L. Kubala, S. Mani, Z. Dvořák
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články
- MeSH
- lidé MeSH
- molekulární struktura MeSH
- monoterpeny * farmakologie chemie chemická syntéza MeSH
- myši MeSH
- receptory aromatických uhlovodíků * metabolismus antagonisté a inhibitory MeSH
- vztah mezi dávkou a účinkem léčiva MeSH
- vztahy mezi strukturou a aktivitou MeSH
- zvířata MeSH
- Check Tag
- lidé MeSH
- myši MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
Monocyclic monoterpenoids carvones have been recently identified as atypical negative allosteric modulators of aryl hydrocarbon receptor (AhR). In the current work, we performed AhR antagonist activity screening of 100 natural and synthetic monoterpenoids, and their analogues. Using SAR approach, structural determinants of AhR antagonist activity were assigned, including CO presence/position, planarity, and C3/C5-alkylation. Applying pyramidal selection criteria, including absence of residual agonist activity, no cytotoxicity, strong antagonist potency, and pan-antagonism against diverse AhR agonists, we distilled four lead AhR antagonists (carvacrol, o-cresol, 3-methyl-S-carvone, EN-2). Whereas 3-methyl-S-carvone and EN-2 were non-competitive AhR pan-antagonists, carvacrol and o-cresol were ligand-selective AhR antagonists acting by unclear mechanism. We characterized in detail the effects of lead compounds at cellular functions of AhR, including AhR nuclear translocation, AhR dimerization with ARNT, and the expression of AhR-regulated genes. As a proof of concept, effects of monoterpenoids in the murine macrophages were investigated.
Citace poskytuje Crossref.org
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- $a Zůvalová, Iveta $u Department of Cell Biology and Genetics, Faculty of Science, Palacký University, Šlechtitelů 27, Olomouc 779 00, Czech Republic. Electronic address: iveta.zuvalova@upol.cz
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- $a Monocyclic monoterpenoids carvones have been recently identified as atypical negative allosteric modulators of aryl hydrocarbon receptor (AhR). In the current work, we performed AhR antagonist activity screening of 100 natural and synthetic monoterpenoids, and their analogues. Using SAR approach, structural determinants of AhR antagonist activity were assigned, including CO presence/position, planarity, and C3/C5-alkylation. Applying pyramidal selection criteria, including absence of residual agonist activity, no cytotoxicity, strong antagonist potency, and pan-antagonism against diverse AhR agonists, we distilled four lead AhR antagonists (carvacrol, o-cresol, 3-methyl-S-carvone, EN-2). Whereas 3-methyl-S-carvone and EN-2 were non-competitive AhR pan-antagonists, carvacrol and o-cresol were ligand-selective AhR antagonists acting by unclear mechanism. We characterized in detail the effects of lead compounds at cellular functions of AhR, including AhR nuclear translocation, AhR dimerization with ARNT, and the expression of AhR-regulated genes. As a proof of concept, effects of monoterpenoids in the murine macrophages were investigated.
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