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In the present study we have investigated the mechanisms of pulmonary edema caused by platelet-activating factor (PAF) in isolated rat lungs as well as in mice in vivo. In blood-free perfused and ventilated rat lungs, PAF increased lung weight by 0.59 +/- 0.18 g. The cyclooxygenase inhibitor aspirin
CL 306,293, a substituted quinoline carboxylic acid at a daily oral dose between 1.5 and 3.0 mg/kg suppressed the inflammation and joint destruction (radiological criteria) associated with both developing and established adjuvant arthritis. When a weekly oral dosing regimen was used, joint
The preparation and characterization of a series of selective glucocorticoid receptor modulators are described. The preliminary structure-activity relationship of nonaromatic C-5 substitution on the tetracyclic quinoline core showed a preference for small lipophilic side chains. Proper substitution
Clinical photoreactions have been reported for quinine and quinidine after systemic and topical administration. We have investigated the phototoxic properties of these two quinoline methanol isomers in vitro using the Candida albicans inhibition test and photohemolysis, and in vivo with the mouse
In this study, a novel series of 7-alkoxy-1-amino-4,5-dihydro[1,2,4]triazole[4,3-a]quinolines were synthesized by using 6-hydroxy-3,4-dihydro-2(1H)-quinolone as the starting material. These compounds were evaluated for anti-inflammatory activity through monitoring their ability to inhibit
OBJECTIVE
The present study evaluates the anti-inflammatory effect of the quinoline alkaloid skimmianine (SKM), isolated from Ruta graveolens L., against carrageenan-induced acute inflammation.
METHODS
SKM at a dose of 5.0 mg/kg body weight was found to be the minimal concentration for maximal edema
The present study investigated the antioxidant effect of a new class of quinoline derivatives (a-d) on assays in vitro. Lipid peroxidation, thiol peroxidase-like and free radical scavenging activities were determined to evaluate antioxidant activity of compounds. Thiol oxidase-like and
OBJECTIVE
Investigation of the pharmacological potential of Tetrahydrofurano/pyrano quinoline and Benzo [b]furoindolyl derivatives in acute inflammation, pain and oxidative stress.
METHODS
Tetrahydrofurano/ pyrano quinoline and Benzo[b]furoindolyl were evaluated for anti-inflammatory activity by
The present study was designed to examine the antinociceptive and anti-inflammatory effects of 7-chloro-4-phenylsulfonyl quinoline (PSOQ). Mice were orally (p.o) pretreated with PSOQ (0.01-10 mg/kg), meloxicam (10 mg/kg), 30 min prior to the acetic acid, hot-plate and open field tests. PSOQ reduced
The synthesis, SAR and preclinical characterization of a series of 6-chloro-N-(2-(4,4-difluoropiperidin-1-yl)-2-(2-(trifluoromethyl)pyrimidin-5-yl)ethyl)quinoline-5-carboxamide based P2X7 antagonists is described herein. The lead compounds are potent inhibitors in Ca(2+) flux and whole blood IL-1β
The synthesis of a series of 1,2,4-triazolo[4,3-a]quinoline derivatives is described; their structures were assigned by 1H NMR and analytical data. The new compounds were tested in vivo for their antiinflammatory and analgesic activities, as well as for their ulcerogenic action. Some of the tested
A small library of twenty-four quinoline based butenolides also known as furanones and their nitrogen analogues was prepared by using two different aroylpropionic acids, viz. 3-(2-naphthoyl)propionic acid (3) and 3-(biphenyl-4-yl)propionic acid (4), as starting materials. The 3-aroylpropionic acids
The preparation and characterization of a series of C-10 substituted 5-allyl-2,5-dihydro-2,2,4-trimethyl-1H-[1]benzopyrano[3,4-f]quinolines as a novel class of selective ligands for the glucocorticoid receptor is described. Substitution at the C-10 position of the tetracyclic core with linear,
OBJECTIVE
In the present study, we investigated the potential anti-nociceptive activity and acute anti-inflammatory effect of a synthetic quinoline compound (2-(4-Methoxyphenyl)benzo[h]quinoline-4-carboxylic acid, QC), possessing structural elements of both naproxen and tomoxiprole
A series of novel quinoline-2-carboxamides 15-28 was synthesized and evaluated in vitro as dual COXs/LOX inhibitors. Compounds 19 and 27 exhibited the highest potency and selectivity for COX-2 inhibitory activity (IC50 = 1.21 and 1.13 μM, respectively; selectivity index (COX-1/COX-2) = 6.52 and