Abstract
Two series of new thiazolidin-4-one derivatives 4a-c and 8a-e were designed and prepared. All the synthesized compounds were evaluated for their in vitro COX-2 selectivity and anti-inflammatory activity in vivo. Compounds 8c and 8d showed the best overall in vitro COX-2 selectivity (selectivity indexes of 4.56 and 5.68 respectively) and in vivo activities (edema inhibition %=61.8 and 67 after 3h, respectively) in comparison with the reference drug celecoxib (S.I.=7.29, edema inhibition %=60 after 3h). In addition, 8c and 8d were evaluated for their mean effective anti-inflammatory doses (ED50=27.7 and 18.1 μmol/kg respectively, celecoxib ED50=28.2 μmol/kg) and ulcerogenic liability (reduction in ulcerogenic potential versus celecoxib=85%, 92% respectively. Molecular docking studies were performed and the results were in agreement with that obtained from the in vitro COX inhibition assays.
Keywords:
Anti-inflammatory; Cyclooxygenase inhibition; Molecular modeling; Thiazolidinone.
Copyright © 2015 Elsevier Inc. All rights reserved.
MeSH terms
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Animals
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Anti-Inflammatory Agents / adverse effects
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Anti-Inflammatory Agents / chemical synthesis
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Anti-Inflammatory Agents / therapeutic use*
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Celecoxib / pharmacology
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Celecoxib / therapeutic use
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Cyclooxygenase 1 / metabolism
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Cyclooxygenase 2 / metabolism*
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Cyclooxygenase 2 Inhibitors / adverse effects
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Cyclooxygenase 2 Inhibitors / chemical synthesis
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Cyclooxygenase 2 Inhibitors / therapeutic use*
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Edema / drug therapy
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Humans
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Ibuprofen / pharmacology
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Ibuprofen / therapeutic use
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Mice
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Molecular Docking Simulation
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Sheep
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Stomach Ulcer / chemically induced
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Sulfonamides / adverse effects
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Sulfonamides / chemical synthesis
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Sulfonamides / pharmacology*
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Thiazolidines / adverse effects
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Thiazolidines / chemical synthesis
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Thiazolidines / pharmacology
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Thiazolidines / therapeutic use*
Substances
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3-(4-aminosulfonylphenylamino)-2-(4-chlorophenyl)-5-methyl-4-thiazolidinone
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3-(4-aminosulfonylphenylamino)-2-(4-fluorophenyl)-5-methyl-4-thiazolidinone
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Anti-Inflammatory Agents
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Cyclooxygenase 2 Inhibitors
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Sulfonamides
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Thiazolidines
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Cyclooxygenase 1
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Cyclooxygenase 2
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PTGS2 protein, human
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Celecoxib
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Ibuprofen