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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Enzyme+Inhib+Med+Chem
2018 ; 33
(1
): 755-767
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Molecular modelling insights into a physiologically favourable approach to
eicosanoid biosynthesis inhibition through novel thieno 2,3-b pyridine
derivatives
#MMPMID29651867
Mohamed MS
; Mansour YE
; Amin HK
; El-Araby ME
J Enzyme Inhib Med Chem
2018[Dec]; 33
(1
): 755-767
PMID29651867
show ga
In this research, we exploited derivatives of thieno[2,3-b]pyridine as dual
inhibitors of the key enzymes in eicosanoid biosynthesis, cyclooxygenase (COX,
subtypes 1 and 2) and 5-lipoxygensase (5-LOX). Testing these compounds in a rat
paw oedema model revealed potency higher than ibuprofen. The most active
compounds 7a, 7b, 8b, and 8c were screened against COX-1/2 and 5-LOX enzymes.
Compound 7a was the most powerful inhibitor of 5-LOX with IC(50)?=?0.15?然, while
its p-chloro analogue 7b was more active against COX-2 (IC(50)?=?7.5?然). The
less desirable target COX-1 was inhibited more potently by 8c with
IC(50)?=?7.7?然. Surflex docking programme predicted that the more stable anti-
conformer of compound (7a) formed a favourable complex with the active site of
5-LOX but not COX-1. This is in contrast to the binding mode of 8c, which
resembles the syn-conformer of series 7 and binds favourably to COX-1.