diarylheptanoid/zápal

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Three non-phenolic diarylheptanoids with anti-inflammatory activity from Curcuma xanthorrhiza.

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Bioassay-guided fractionation of a hexane extract of the rhizomes of Curcuma xanthorrhiza Roxb. (Zingiberaceae) led to the isolation of three non-phenolic diarylheptanoids, identified mainly by high-field 1H-NMR as trans-trans-1,7-diphenyl-1,3-heptadien-4-one (alnustone),

Synthesis and biological evaluation of diarylheptanoids as potential antioxidant and anti-inflammatory agents.

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Reactive oxygen species (ROS) are key signaling molecules and their overproduction plays an important role in the inflammation process, the secretion of inflammatory cytokines such as IL-1β and IL-6 and the progression of inflammatory disorders. Decreasing oxidative stress represents a promising

Tackling multiple antibiotic resistance in enteropathogenic Escherichia coli (EPEC) clinical isolates: a diarylheptanoid from Alpinia officinarum shows promising antibacterial and immunomodulatory activity against EPEC and its lipopolysaccharide-induced inflammation.

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Antibiotic treatment for infectious diseases commonly leads to host inflammatory responses. Molecules with bifunctional antibacterial and anti-inflammatory properties could provide a solution for such clinical manifestations. Here we report such bifunctional activity for a diarylheptanoid

Anti-inflammatory activities and glycerophospholipids metabolism in KLA-stimulated RAW 264.7 macrophage cells by diarylheptanoids from the rhizomes of Alpinia officinarum.

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Alpinia officinarum is used for its anti-inflammatory activity historically in China. Diarylheptanoids isolated from A. officinarum play important biological roles in the prevention and treatment of inflammatory disorders. Seven diarylheptanoids (1-7) were isolated from A. officinarum. The cell

Non-phenolic linear diarylheptanoids from Curcuma xanthorrhiza: a novel type of topical anti-inflammatory agents: structure-activity relationship.

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The topical anti-inflammatory activity of three non-phenolic linear 1,7-diarylheptanoids, previously isolated from a Thai medicinal plant, Curcuma xanthorrhiza (Zingiberaceae) and four new semi-synthetic derivatives of the naturally occurring compounds were assessed in the murine model of ethyl

Diarylheptanoid hirsutenone prevents tumor necrosis factor-alpha-stimulated production of inflammatory mediators in human keratinocytes through NF-kappaB inhibition.

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Keratinocytes may play an important role in the pathogenesis of skin disease in atopic dermatitis. Diarylheptanoids such as oregonin and hirstanonol are demonstrated to have anti-inflammatory and anti-oxidant effects. The present study was to investigate the effect of hirsutenone, one of the

Anti-inflammatory effect of YPE-01, a novel diarylheptanoid derivative, on dermal inflammation in mice.

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OBJECTIVE We investigated the anti-inflammatory effect of YPE-01, a novel diarylheptanoid derivative in vitro and in vivo. METHODS In the in vitro study, rat basophilic leukemia (RBL-1) cells were used. For the in vivo study, ICR and ddY mice (male, 7 weeks old) were used. METHODS In the in vitro

Anti-inflammatory activities, triterpenoids, and diarylheptanoids of Alnus acuminata ssp. arguta.

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BACKGROUND The main use of stem bark infusions of Alnus acuminata ssp. arguta (Schlecht.) Furlow (Betulaceae) includes treatments for acute inflammation in Mexican traditional medicine. OBJECTIVE n-Hexane (CHE), chloroform (CCE), and methanol (CME) extracts of the stem bark were investigated for

Diarylheptanoids from Alnus nepalensis attenuates LPS-induced inflammation in macrophages and endotoxic shock in mice.

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Diarylheptanoids, a group of plant secondary metabolites are increasingly recognized as potential therapeutic agents. The aim of study was to ascertain the anti-inflammatory profile of diarylheptanoids from Alnus nepalensis against lipopolysaccharide (LPS)-induced inflammation in macrophages and

Acerogenin M, a cyclic diarylheptanoid, and other phenolic compounds from Acer nikoense and their anti-inflammatory and anti-tumor-promoting effects.

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A new cyclic diarylheptanoid, acerogenin M (1), has been isolated along with nine known diarylheptanoids, 2-10, and two known phenolic compounds, 11 and 12, from a MeOH extract of the stem bark of Acer nikoense MAXIM. (Aceraceae). The structure of 1 was determined on the basis of a spectroscopic

Anti-oxidant and Anti-Inflammatory Cyclic Diarylheptanoids from Alnus japonica Stem Bark.

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A new cyclic diarylheptanoid namely alnuheptanoid B (3), along with four known cyclic diarylheptanoids: myricanone (1), (+)-S-myricanol (2), myricanone 5-O- -D-glucopyranoside (4), and (+)-S-myricanol 5-O- -D-glucopyranoside (5) were isolated from the EtOAc fraction of Alnus japonica Steud (family:

Preparation and anti-inflammatory activities of diarylheptanoid and diarylheptylamine analogs.

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Seven diarylheptylamine (12a-g) and four diarylheptanoid analogs (3-5, 9), structurally related to the natural anti-inflammatory agent oregonin (1), have been prepared from curcumin (2) for evaluation of their activity against the expression of iNOS and COX-2. Diarylheptylamine 12b and

A comprehensive investigation of anti-inflammatory diarylheptanoids from the leaves of Alnus formosana.

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This study was aimed to investigate thoroughly the diarylheptanoids in the n-BuOH soluble fraction of leaves of Alnus formosana in order to examine their anti-inflammatory activities. The application of HPLC-SPE-NMR as a preliminary chemical screening led to characterization of eleven compounds.

Inhibition of mouse skin tumor promotion by anti-inflammatory diarylheptanoids derived from Alpinia oxyphylla Miquel (Zingiberaceae).

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Alpinia oxphylla Miquel, which belongs to the ginger family (Zingiberaceae), has been used in Oriental herbal medicine. Our recent studies have revealed that the methanolic extract of A. oxyphylla suppresses mouse skin tumor promotion and induces apoptosis in cultured human promyelocytic leukemia

Diarylheptanoids and flavonoids from viscum album inhibit LPS-stimulated production of pro-inflammatory cytokines in bone marrow-derived dendritic cells.

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Three new diarylheptanoids, (3S,5R)-3-hydroxy-5-methoxy-1,7-bis(4-hydroxyphenyl)-6E-heptene (1), (3S,5S)-3-hydroxy-5-methoxy-1,7-bis(4-hydroxyphenyl)-6E-heptene (2), and (3S)-3-hydroxy-1,7-bis(4-hydroxyphenyl)-6E-hepten-5-one (3), four new flavonoid glycosides,

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