acylphloroglucinol/zápal

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Identification of molecular targets of the oligomeric nonprenylated acylphloroglucinols from Myrtus communis and their implication as anti-inflammatory compounds.

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Myrtucommulone (MC) and semimyrtucommulone (S-MC) are unique oligomeric, nonprenylated acylphloroglucinols contained in the leaves of myrtle (Myrtus communis). Although extracts of myrtle have been traditionally used in folk medicine for the treatment of various disorders, studies addressing select

Acylphloroglucinol Derivatives from Garcinia multiflora with Anti-Inflammatory Effect in LPS-Induced RAW264.7 Macrophages.

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Two new acylphloroglucinol derivatives, 13,14-didehydroxygarcicowin C (1) and 13,14-didehydroxyisoxanthochymol (2), have been isolated from the stems of Garcinia multiflora, together with seven known compounds (3⁻9). The structures of new compounds 1 and 2 were elucidated by MS and extensive 1D/2D

Longisglucinols A-C, Structurally Intriguing Polycyclic Polyprenylated Acylphloroglucinols with Anti-inflammatory Activity from Hypericum longistylum

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Longisglucinol A (1), a polycyclic polyprenylated acylphloroglucinol (PPAP) with a new skeleton, along with two new congeners, longisglucinols B (2) and C (3), were isolated from Hypericum longistylum. Compound 1 features an unparalleled 6/6/6/5 fused ring skeleton

Dimethylated acylphloroglucinol meroterpenoids with anti-oral-bacterial and anti-inflammatory activities from Hypericum elodeoides

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Acylphloroglucinol meroterpenoids are adducts of the acylphloroglucinol unit and polyprenylated fragments (terpenoids) with attractive structures and bioactivities. During study of the medicinal molecules of the genus Hypericum, the first example of dimethylated acylphloroglucinol meroterpenoids

Anti-inflammatory acylphloroglucinol derivatives from Hops (Humulus lupulus).

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The polyphenol-enriched fraction of an ethanolic hops extract (Humulus lupulus) was separated to provide four acylphloroglucinol-glucopyranosides (1-4). 1-(2-Methylpropanoyl)phloroglucinol-glucopyranoside 1 has been isolated from hops before, whereas 1-(2-methylbutyryl)phloroglucinol-glucopyranoside

Bioassay-guided identification of an anti-inflammatory prenylated acylphloroglucinol from Melicope ptelefolia and molecular insights into its interaction with 5-lipoxygenase.

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A bioassay-guided investigation of Melicope ptelefolia Champ ex Benth (Rutaceae) resulted in the identification of an acyphloroglucinol, 2,4,6-trihydroxy-3-geranylacetophenone or tHGA, as the active principle inhibiting soybean 15-LOX. The anti-inflammatory action was also demonstrated on human

Myrtucommulone, a natural acylphloroglucinol, inhibits microsomal prostaglandin E(2) synthase-1.

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OBJECTIVE The selective inhibition of prostaglandin (PG)E(2) formation via interference with microsomal PGE(2) synthase (mPGES)-1 could have advantages in the treatment of PGE(2)-associated diseases, such as inflammation, fever and pain, compared with a general suppression of all PG biosynthesis,

Human neutrophil elastase (HNE) inhibitory polyprenylated acylphloroglucinols from the flowers of Hypericum ascyron.

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In the course of an investigation of human neutrophil elastase (HNE) associated with inflammation, the extract of the flower parts of Hypericum ascyron showed a significant influence to HNE. The responsible metabolites to HNE inhibition were found to be eight polyprenylated acylphloroglucinols,

Synthesis and Anti-Inflammatory Activities of Phloroglucinol-Based Derivatives.

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The natural product phloroglucinol-based derivatives representing monoacyl-, diacyl-, dimeric acyl-, alkylated monoacyl-, and the nitrogen-containing alkylated monoacylphloro- glucinols were synthesized and evaluated for inhibitory activities against the inflammatory mediators such as inducible

Acylphloroglucinol and tocotrienol derivatives from the fruits of Garcinia paucinervis

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Three undescribed polycyclic polyprenylated acylphloroglucinols (PPAPs) and three tocotrienols derivatives, named as paucinochymol A-F (1-3 and 10-12), together with six known PPAPs, were isolated from the fruits of Garcinia paucinervis. Their structures and absolute configurations were determined

Targeting MHC Regulation Using Polycyclic Polyprenylated Acylphloroglucinols Isolated from Garcinia bancana

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Modulation of major histocompatibility complex (MHC) expression using drugs has been proposed to control immunity. Phytochemical investigations on Garcinia species have allowed the isolation of bioactive compounds such as polycyclic polyprenylated acylphloroglucinols (PPAPs). PPAPs such as

Hyperberins A and B, Type B Polycyclic Polyprenylated Acylphloroglucinols with Bicyclo[5.3.1]hendecane Core from Hypericum beanii.

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The first examples of type B polycyclic polyprenylated acylphloroglucinols with a bicyclo[5.3.1]hendecane core, hyperberins A (1) and B (2), were isolated from Hypericum beanii, together with three biosynthetic congeners. Their structures were established by a combination of

Hyperforin, an Anti-Inflammatory Constituent from St. John's Wort, Inhibits Microsomal Prostaglandin E(2) Synthase-1 and Suppresses Prostaglandin E(2) Formation in vivo.

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The acylphloroglucinol hyperforin (Hyp) from St. John's wort possesses anti-inflammatory and anti-carcinogenic properties which were ascribed among others to the inhibition of 5-lipoxygenase. Here, we investigated whether Hyp also interferes with prostanoid generation in biological systems,

Myrtucommulone from Myrtus communis exhibits potent anti-inflammatory effectiveness in vivo.

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Myrtucommulone (MC), a nonprenylated acylphloroglucinol contained in the leaves of myrtle (Myrtus communis), has been reported to suppress the biosynthesis of eicosanoids by inhibition of 5-lipoxygenase and cyclooxygenase-1 in vitro and to inhibit the release of elastase and the formation of

Identification of anti-inflammatory constituents in Hypericum perforatum and Hypericum gentianoides extracts using RAW 264.7 mouse macrophages.

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Hypericum perforatum (St. John's wort) is an herb widely used as supplement for mild to moderate depression. Our prior studies established synergistic anti-inflammatory activity associated with 4 bioactive compounds in a fraction of a H. perforatum ethanol extract. Whether these 4 compounds also

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