In vitro COX-1 and COX-2 enzyme inhibitory activities of iridoids from Penstemon barbatus, Castilleja tenuiflora, Cresentia alata and Vitex mollis.

Abstract:

:A group of sixteen iridoids isolated from plants used as anti-inflammatory remedies in Mexican folk medicine were evaluated for their potential to inhibit cyclooxygenase-1 (COX-1) and cyclooxygenase-2 (COX-2) enzymes. From these assays, loganic acid (10) was identified as the most promising compound with both COX-1 (36.0 ± 0.6%) and COX-2 (80.8 ± 4.0%) inhibition at 10 μM. Compound 10 shows a better inhibition against the COX-2 enzyme. Other iridoids tested in the present study showed weak or no inhibition against these enzymes. Furthermore, herein are presented key interactions of iridoid 10 with COX-1 and COX-2 enzymes through molecular docking studies. These studies suggest that 10 exhibits anti-inflammatory activity due to COX inhibition.

journal_name

Bioorg Med Chem Lett

authors

Ramírez-Cisneros MÁ,Rios MY,Aguilar-Guadarrama AB,Rao PP,Aburto-Amar R,Rodríguez-López V

doi

10.1016/j.bmcl.2015.08.075

subject

Has Abstract

pub_date

2015-10-15 00:00:00

pages

4505-8

issue

20

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(15)30026-3

journal_volume

25

pub_type

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