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tanacetum vulgare/nécrose
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Gene response of human monocytic cells for the detection of antimigraine activity of feverfew extracts.
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The herb feverfew is a folk remedy for various conditions, including inflammation, fever, psoriasis, rheumatism, and asthma. Like many herbal medicines, feverfew's mechanisms of action in the human body are largely unknown and its active ingredients remain elusive. Very often, different extraction
Paclitaxel sensitivity of breast cancer cells with constitutively active NF-kappaB is enhanced by IkappaBalpha super-repressor and parthenolide.
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The transcription factor nuclear factor-kappaB (NF-kappaB) regulates genes important for tumor invasion, metastasis and chemoresistance. Normally, NF-kappaB remains sequestered in an inactive state by cytoplasmic inhibitor-of-kappaB (IkappaB) proteins. NF-kappaB translocates to nucleus and activates
Comparative effects of the herbal constituent parthenolide (Feverfew) on lipopolysaccharide-induced inflammatory gene expression in murine spleen and liver.
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BACKGROUND
Parthenolide, a major sesquiterpene lactone present in extracts of the herb Feverfew, has been investigated for its inhibitory effects on mediators of inflammation, including the proinflammatory cytokines. Although parthenolide's anti-inflammatory effects have been investigated in vitro,
Parthenolide, an inhibitor of the nuclear factor-κB pathway, ameliorates dextran sulfate sodium-induced colitis in mice.
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BACKGROUND
Activation of nuclear factor-kappa B (NF-κB), which controls transcription of various pro-inflammatory cytokine genes, has been shown to play a critical role in the pathogenesis of ulcerative colitis (UC). Parthenolide, a sesquiterpene lactone compound isolated from extracts of the herb
Parthenolide ameliorates tweak-induced podocytes injury
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Parthenolide (PTL) is a natural product from the shoots of Tanacetum parthenium, which has immunomodulatory effects in multiply type of diseases. This study aimed to explore the effect and the underlying mechanism of PTL on the anti-apoptotic and anti- inflammatory ability of tweak-induced
Clinical manifestations of tansy ragwort poisoning.
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The clinical signs of tansy ragwort poisoning are variable and in 5 cases included diarrhea, tenesmus, ascites, bloody feces, icterus, paresis, CNS involvement, rectal prolapse, poor appetite and weight loss. It is thus apparent that the disease can be confused clinically with many others, and tansy
Immunomodulatory activity of acidic polysaccharides isolated from Tanacetum vulgare L.
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Tanacetum vulgare L. (Tansy) has been extensively used in folk medicine for treatment of a variety of medical disorders. In the present study, we isolated and purified four acidic polysaccharide fractions (designated T-I to T-IV) from Tansy florets by the sequential use of hot-water extraction,
Effects of dietary copper and molybdenum on tansy ragwort (Senecio jacobaea) toxicity in sheep.
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Dried tansy ragwort (Senecio jacobaea), which contains pyrrolizidine alkaloids (PA), was fed to sheep to determine whether PA consumption influenced liver Cu concentrations. Nine Polypay wether lambs were allotted to 3 groups according to the diets: control diet + 50 micrograms of Cu/g of feed
Comparative effects of antioxidants on the toxicity of mixed pyrrolizidine alkaloids from Senecio jacobaea in mice.
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The comparative effects of the antioxidants, butylated hydroxyanisole (BHA), ethoxyquin, and cysteine on pyrrolizidine-alkaloid-induced (PA-induced) lethality and acute hepatotoxicity were assessed in female mice. Diets containing 0.75% BHA, 0.25% ethoxyquin, or 1% cysteine were fed to mice for 10 d
Modifications of chronic hepatotoxicity of pyrrolizidine (Senecio) alkaloids by butylated hydroxyanisole and cysteine.
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The chronic hepatotoxic effects of mixed pyrrolizidine alkaloids (PAs) from the poisonous plant tansy ragwort (Senecio jacobaea) and the ability of butylated hydroxyanisole (BHA) and cysteine to alter these hepatic effects were studied in male rats. In control animals, the i.p. administration of a
Effect of Chrysanthemi borealis flos on atopic dermatitis induced by 1-chloro 2,4-dinitrobenzene in NC/Nga mouse.
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The flower of Chrysanthemum boreale has traditionally been used for treatment of various inflammatory disease including atopic dermatitis (AD). However, its action on AD is unclear. Therefore, we investigated the effect of CB on AD using NC/Nga mice as an AD model. The effect of CB on
Protective action of zinc against pyrrolizidine alkaloid-induced hepatotoxicity in rats.
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The influence of Zn on the acute hepatotoxicity of pyrrolizidine alkaloids (PAs) was determined in male rats. Zinc, 72 mumol/kg as ZnCl2, was administered ip for 3 consecutive days, followed 16 h after the last dose by a single ip injection of purified mixed PAs (80, 120, or 160 mg/kg) obtained from
Flavonoids and a sesquiterpene lactone from Tanacetum microphyllum inhibit anti-inflammatory mediators in LPS-stimulated mouse peritoneal macrophages.
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In our ongoing research into anti-inflammatory compounds from Tanacetum microphyllum, four naturally occurring flavonoids (santin, ermanin, centaureidin and 5,3'-dihydroxy-4'-methoxy-7-methoxycarbonylflavonol) and one sesquiterpene lactone (hydroxyachillin) isolated from this plant, were evaluated
Cell cycle effects and caspase-dependent and independent death of HL-60 and Jurkat cells treated with the inhibitor of NF-kappaB parthenolide.
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The sesquiterpene parthenolide (PRT) is an active component of Mexican-Indian medicinal plants and also of the common herb of European origin feverfew. PRT is considered to be a specific inhibitor of NF-kappaB. Human leukemic HL-60, Jurkat, and Jurkat IkappaBalphaM cells, the latter expressing a
Modulation of lipopolysaccharide-induced proinflammatory cytokine production in vitro and in vivo by the herbal constituents apigenin (chamomile), ginsenoside Rb(1) (ginseng) and parthenolide (feverfew).
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Dietary supplements are not subject to the same pre-market approval as conventional drugs, thus the true efficacy and, in cases, safety of these products is not known. The objective of this study was to evaluate the potential anti-inflammatory properties of three herbal constituents, apigenin
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