umbelliferone/edema

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Umbelliferone induces changes in the structure and pharmacological activities of Bn IV, a phospholipase A(2) isoform isolated from Bothrops neuwiedi.

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In this paper was demonstrated that umbelliferone induces changes in structure and pharmacological activities of Bn IV, a lysine 49 secretory phospholipase A(2) (sPLA2) from Bothrops neuwiedi. Incubation of Bn IV with umbelliferone virtually abolished platelet aggregation, edema, and myotoxicity

Effect of umbelliferone (7-hydroxycoumarin, 7-HOC) on the enzymatic, edematogenic and necrotic activities of secretory phospholipase A2 (sPLA2) isolated from Crotalus durissus collilineatus venom.

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Flavonoids, coumarins and other polyphenolic compounds are powerful antioxidants both in hydrophilic and lipophylic environments with diverse pharmacological properties including anti-inflammatory activity. Despite being widely used as powerful therapeutic agents for blood coagulation disorders,

[Assessment of tissue and intracellular pH following cold-induced vasogenic brain edema--in vitro and in vivo study].

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Acid-base balance is closely related to the brain function and various methods have been applied to estimate the intracellular, extracellular or tissue pH. Umbelliferone, a fluorescent pH indicator, has been used to study either intracellular or tissue pH. In the present study, umbelliferone was

Mechanism of anti-inflammatory activity of umbelliferone 6-carboxylic acid isolated from Angelica decursiva.

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OBJECTIVE We recently reported the potential antioxidant and anti-inflammatory activities of umbelliferone 6-carboxylic acid (UMC) isolated from the whole plants of Angelica decursiva. In this study, we elucidated the anti-inflammatory mechanisms of UMC in vitro and in vivo. METHODS The inhibitory

Umbelliferone ameliorates cerebral ischemia-reperfusion injury via upregulating the PPAR gamma expression and suppressing TXNIP/NLRP3 inflammasome.

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Umbelliferone (UMB), a natural antioxidant belonging to coumarin derivatives, is able to cross the blood-brain barrier and protect neuronal cells from death. Here we aimed to investigate the effects of UMB in a rat model of focal cerebral ischemia induced by middle cerebral artery

Enhanced transdermal permeation and anti-inflammatory potential of phospholipids complex-loaded matrix film of umbelliferone: Formulation development, physico-chemical and functional characterization.

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In the present study, umbelliferone - phospholipids complex - loaded matrix film (UPLC - MF) was developed with a goal of improving transdermal permeation and anti-inflammatory potential of umbelliferone (UMB). Umbelliferone - phospholipids complex (UPLC) was prepared using solvent evaporation

5-Lipoxygenase Inhibition of the Fructus of Foeniculum vulgare and Its Constituents.

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The fruits of Foeniculum vulgare (Foeniculi Fructus) have been widely used in Chinese medicine as an antiemetic, ameliorating stomach ailments and as an analgesic. In order to establish its potential for antiallergic use, inhibitory actions of the fruiton 5-lipoxgenase (5-LOX) and β-hexosaminidase

Flurbiprofen-antioxidant mutual prodrugs as safer nonsteroidal anti-inflammatory drugs: synthesis, pharmacological investigation, and computational molecular modeling.

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Flurbiprofen-antioxidant mutual prodrugs were synthesized to reduce the gastrointestinal (GI) effects associated with flurbiprofen. For reducing the GI toxicity, the free carboxylic group (-COOH) was temporarily masked by esterification with phenolic -OH of natural antioxidants vanillin, thymol,

Effects of nimodipine on infarct size and cerebral acidosis after middle cerebral artery occlusion in the rat.

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The objective of this study was to determine the effect of nimodipine on infarct development and local brain pH after middle cerebral artery occlusion in the rat. Female Fischer-344 rats were subjected to permanent occlusion of the left middle cerebral artery by electrocoagulation. After 6, 12, or

Mechanisms involved in the antinociceptive effects of 7-hydroxycoumarin.

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7-Hydroxycoumarin (umbelliferone, 1), the main metabolite of coumarin, has been reported to produce potent antinociceptive effects in animal models of pain. However, the biochemical events involved in antinociception mediated by 1 are currently not well understood. In the present study, the

Suppression by citrus auraptene of phorbol ester-and endotoxin-induced inflammatory responses: role of attenuation of leukocyte activation.

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Auraptene (AUR), a citrus coumarin derivative, is one of the promising chemopreventive agents against skin, tongue, esophagus and colon carcinogenesis in rodents. We reported previously that AUR suppresses superoxide anion (O(2)(-)) generation from inflammatory leukocytes in in vitro experiments. In

An insight into the therapeutic applications of coumarin compounds and their mechanisms of action

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The coumarins are heterocyclic compounds belonging to the class of benzopyrone enriched in various plants like tonka beans. Coumarins and their derivatives exert a vast array of bioactive properties such as anticoagulant, antibacterial, anti-inflammatory, antioxidant, antitumor, antiviral, and

Synergistic Effect of Compounds from a Chinese Herb: Compatibility and Dose Optimization of Compounds from N-Butanol Extract of Ipomoea stolonifera.

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The herbal medicine Ipomoea stolonifera (I. stolonifera) has previously been shown to have considerable anti-inflammatory potential in vivo and in vitro. To establish a method for exploring the synergistic effects of multiple compounds, we study the compatibility and dose optimization of compounds

Anti-inflammatory and analgesic activities from roots of Angelica pubescens.

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In the present study, we extracted Angelica pubescens (AP) with various solvents in order to find the bioactive constituents that demonstrated analgesic and anti-inflammatory effects. The results were obtained as follows: (1) Methanol-, chloroform-, and ethyl acetate-extracts effectively reduced the

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