pyrrole/inflamație

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Synthesis and biological evaluation of thiophene [3,2-b] pyrrole derivatives as potential anti-inflammatory agents.

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A series of thiophene [3,2-b] pyrrole derivatives were synthesized and evaluated their abilities to inhibit anti-inflammatory activity. In this series, substituent effects at the N-1, 2 and 5 positions of thiophene [3,2-b] pyrrole were examined. The results obtained are compared to those previously

Anti-inflammatory and anti-arthritic effects of new synthetic 3-(4-hydroxyphenyl)-4-(4-thiomethoxyphenyl)-1H-pyrrole-2,5-dione.

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We previously reported that 3-(4-hydroxyphenyl)-4-(4-thiomethoxyphenyl)-1H-pyrrole-2,5-dione (1, HMP) has a strong inhibitory effect on prostaglandin E(2) (PGE(2)) production. In this study, the anti-inflammatory and anti-arthritic effects of HMP were evaluated on LPS-induced RAW 264.7 macrophages

Anti-inflammatory, antiproteolytic, and antihemolytic properties of pyrrole carboxylic acids.

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Eight substituted pyrrole carboxylic acids were evaluated for their anti-inflammatory activity against carageenin-induced edema in rats. The protection afforded by seven of these compounds at a dose of 100 mg/kg i.p. ranged from 11 to 42%. Indomethacin (10 mg/kg i.p.), used as a reference drug,

Synthesis and evaluation of 1H-pyrrole-2,5-dione derivatives as cholesterol absorption inhibitors for suppressing the formation of foam cells and inflammatory response.

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Excess lipid accumulation in the arterial intima and formation of macrophage-derived foam cells in the plaque could cause atherosclerotic lesion. Cholesterol absorption inhibitors could suppress the lipid accumulation of human macrophage, inflammatory response and the development of atherosclerosis.

Pyrrole and Fused Pyrrole Compounds with Bioactivity against Inflammatory Mediators.

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A new series of pyrrolopyridines and pyrrolopyridopyrimidines have been synthesized from aminocyanopyrroles. The synthesized compounds have been characterized by FTIR, ¹H-NMR and mass spectroscopy. The final compounds have been screened for in vitro pro-inflammatory cytokine inhibitory and in vivo

[N-aryl pyrrole derivatives with analgesic and anti-inflammatory activity 2. Pharmacologic modulation of the 1-arylpyrrole model].

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In order to increase the pharmacological activities of the molecules described in the first part of the paper, an acetic or a 2-propionic group was introduced in to the fundamental structure, either on the aromatic ring, on the pyrrole nitrogen or on carbon 3 of the heterocycle. Moreover, a

HPLC enantioseparation and absolute configuration of novel anti-inflammatory pyrrole derivatives.

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The assignment of the absolute configuration of novel anti-inflammatory pyrrole derivatives has been accomplished by a combined strategy based on independent physical methods. The key step of our stereochemical characterization approach is the production at mg-scale of enantiomerically pure forms by

Synthesis of new pyrroles of potential anti-inflammatory activity.

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We herein disclose a series of novel pyrrole derivatives 1-4 and pyrrolo[2,3-d]pyrimidine derivatives 6-11 as novel potent anti-inflammatory compounds. The structures were confirmed by IR, (1) H-NMR, and MS. Some newly synthesized compounds were examined for their in-vivo anti-inflammatory activity.

Anti-inflammatory activity effect of 2-substituted-1,4,5,6-tetrahydrocyclopenta[b]pyrrole on TPA-induced skin inflammation in mice.

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2-Substituted-1,4,5,6-tetrahydrocyclopenta[b]pyrrole, a key structural moiety exiting in many bioactive molecules, has been shown to have excellent selective activity on COX-2. In the present study, the anti-inflammatory activity and the underlying molecular mechanism of

Pyrrole-Derivative of Chalcone, (E)-3-Phenyl-1-(2-Pyrrolyl)-2-Propenone, Inhibits Inflammatory Responses via Inhibition of Src, Syk, and TAK1 Kinase Activities.

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(E)-3-Phenyl-1-(2-pyrrolyl)-2-propenone (PPP) is a pyrrole derivative of chalcone, in which the B-ring of chalcone linked to β-carbon is replaced by pyrrole group. While pyrrole has been studied for possible Src inhibition activity, chalcone, especially the substituents on the B-ring, has shown

Synthesis and biological activity of new anti-inflammatory compounds containing the 1,4-benzodioxine and/or pyrrole system.

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A series of substituted derivatives containing the 1,4-benzodioxine or pyrrole nucleus are described. All the newly synthesized compounds were examined for their in vitro and in vivo anti-inflammatory activity. Several derivatives, including (S)-2, 14 and 17, showed more anti-inflammatory activity

Ligand-based design, synthesis and primary in vivo screening of pyrrole derivatives as potential tricyclic anti-inflammatory agents.

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Twelve new compounds were designed as 5-aryl-1H-pyrrole analogs of celecoxib (CAS 169590-42-5) and were synthesized by Paal-Knorr cyclization in three series according to 1H-substitution: derivatives with salicylic acid, pyrazolone or isonicotinamide residues. The average physico-chemical and steric

Pharmacological evaluation of anti-inflammatory pyrrole-acetic acid derivative eye drops.

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The effects of mucoadhesive eye drops containing a pyrrole-acetic acid derivative (tolmetin) at 0.5% concentration on ocular inflammation produced by sodium arachidonate in the rabbit's eye were evaluated. Furthermore, the bioavailability of the mucoadhesive formulation in the aqueous humor against

Curindolizine, an Anti-Inflammatory Agent Assembled via Michael Addition of Pyrrole Alkaloids Inside Fungal Cells.

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Curvularia sp. IFB-Z10, a white croaker-associated fungus, generates a skeletally unprecedented indolizine alkaloid named curindolizine (1), which displays an anti-inflammatory action in lipopolyssacharide (LPS)-induced RAW 264.7 macrophages with an IC50 value of 5.31 ± 0.21 μM. The enzymatic

3-(2,4-dichlorophenyl)-4-(1-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione (SB216763), a glycogen synthase kinase-3 inhibitor, displays therapeutic properties in a mouse model of pulmonary inflammation and fibrosis.

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Glycogen synthase kinase (GSK)-3 modulates the production of inflammatory cytokines. Because bleomycin (BLM) causes lung injury, which is characterized by an inflammatory response followed by a fibrotic degeneration, we postulated that blocking GSK-3 activity with a specific inhibitor could affect

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