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Pagina 1 a partire dal 74 risultati
Medicinal flowers. XXVII. New flavanone and chalcone glycosides, arenariumosides I, II, III, and IV, and tumor necrosis factor-alpha inhibitors from everlasting, flowers of Helichrysum arenarium.
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The methanolic extract from the flowers of Helichrysum arenarium L. MOENCH was found to show inhibitory effect on tumor necrosis factor-alpha (TNF-alpha, 1 ng/ml)-induced cytotoxicity in L929 cells. From the methanolic extract, 50 constituents including four new flavanone and chalcone glycosides
2',4',6'-tris(methoxymethoxy) chalcone protects against trinitrobenzene sulfonic acid-induced colitis and blocks tumor necrosis factor-alpha-induced intestinal epithelial inflammation via heme oxygenase 1-dependent and independent pathways.
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2',4',6'-Tris(methoxymethoxy) chalcone (TMMC), a synthesized chalcone derivative, displays potent antiproliferative and anti-inflammatory effects in rat hepatic stellate cells and murine macrophages, respectively. Here we tested the hypothesis that TMMC could ameliorate diseases characterized by
TI-I-174, a Synthetic Chalcone Derivative, Suppresses Nitric Oxide Production in Murine Macrophages via Heme Oxygenase-1 Induction and Inhibition of AP-1.
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Chalcones (1,3-diaryl-2-propen-1-ones), a flavonoid subfamily, are widely known for their anti-inflammatory properties. Propenone moiety in chalcones is known to play an important role in generating biological responses by chalcones. In the present study, we synthesized chalcone derivatives
Prenylated chalcone from Sophora flavescens suppresses Th2 chemokine expression induced by cytokines via heme oxygenase-1 in human keratinocytes.
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We recently reported the inhibitory effect of an oral administration of a Sophora flavescens Aiton methanol extract on the development of atopic dermatitis in the NC/Nga model mice. Heme oxygenase (HO)-1 has recently emerged as an important cytoprotective enzyme against oxidative stress and
Novel dual-targeting anti-proliferative dihydrotriazine-chalcone derivatives display suppression of cancer cell invasion and inflammation by inhibiting the NF-κB signaling pathway.
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Chalcones present in edible plants possess anti-cancer and anti-inflammatory properties, with the Michael acceptor moiety reported to be responsible for their biological activities. In this study, two novel dihydrotriazine-chalcone compounds previously identified to exert anti-proliferative effects
Antivascular and antitumor properties of the tubulin-binding chalcone TUB091.
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We investigated the microtubule-destabilizing, vascular-targeting, anti-tumor and anti-metastatic activities of a new series of chalcones, whose prototype compound is (E)-3-(3''-amino-4''-methoxyphenyl)-1-(5'-methoxy-3',4'-methylendioxyphenyl)-2-methylprop-2-en-1-one (TUB091). X-ray crystallography
Antiproliferative activity and p53 upregulation effects of chalcones on human breast cancer cells.
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Chalcones are valuable structures for drug discovery due to their broad bioactivity spectrum. In this study, we evaluated 20 synthetic chalcones against estrogen-receptor-positive breast cancer cells (MCF-7 line) and triple-negative breast cancer (TNBC) cells (MDA-MB-231 line). Antiproliferative
Novel synthetic chalcones induces apoptosis in human glioblastoma cells.
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Glioblastoma multiforme is the main and most frequent tumor in adults' central nervous system. With a survival average of 5% two years after diagnosis, this type of cancer is a main health problem. Substances like the chalcones have been tested in order to develop new treatments. Here, we studied
Studies of synthetic chalcone derivatives as potential inhibitors of secretory phospholipase A2, cyclooxygenases, lipoxygenase and pro-inflammatory cytokines.
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Arachidonic acid metabolism leads to the generation of key lipid mediators which play a fundamental role during inflammation. The inhibition of enzymes involved in arachidonic acid metabolism has been considered as a synergistic anti-inflammatory effect with enhanced spectrum of activity. A series
Sofalcone, an anti-ulcer chalcone derivative, suppresses inflammatory crosstalk between macrophages and adipocytes and adipocyte differentiation: implication of heme-oxygenase-1 induction.
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Sofalcone, 2'-carboxymethoxy-4,4'-bis(3-methyl-2-butenyloxy)chalcone, has been used as an anti-ulcer agent, although its precise molecular mechanism has not been completely understood. In the current study, we tested the effects of sofalcone on the inflammatory crosstalk between macrophages and
YL-I-108, a synthetic chalcone derivative, inhibits lipopolysaccharide-stimulated nitric oxide production in RAW 264.7 murine macrophages: involvement of heme oxygenase-1 induction and blockade of activator protein-1.
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Chalcones, a group of phenolic compounds, exhibit potent anti-inflammatory properties. In the present study, we synthesized chalcone derivative, YL-I-108 ((E)-1-(2-methoxy-4,6-bis(methoxymethoxy)phenyl)-3-(3-nitrophenyl)prop-2-en-1-one), and examined its effect on the production of pro-inflammatory
Neuroprotective effects of chalcones from Myracrodruon urundeuva on 6-hydroxydopamine-induced cytotoxicity in rat mesencephalic cells.
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In the present work, we showed that a chalcone-enriched fraction (CEF) isolated from the stem bark of a Brazilian medicinal plant, Myracrodruon urundeuva, presents neuroprotective actions on 6-hydroxydopamine (6-OHDA)-induced neuronal cell death, in rat mesencephalic cells. In the MTT
Induction of apoptosis of malignant gliomas cells by a prenylated chalcone.
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Abstract Context: Malignant gliomas are the most commonly diagnosed brain tumors in adults. Chalcone and its derivatives have shown potential against glioblastoma and malignant gliomas. Objective: The inhibitory activity of geranyl prenylated chalcone was investigated in four glioma cell lines: C6,
A synthetic chalcone derivative, 2-hydroxy-3',5,5'-trimethoxychalcone (DK-139), suppresses the TNFα-induced invasive capability of MDA-MB-231 human breast cancer cells by inhibiting NF-κB-mediated GROα expression.
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2-Hydroxy-3',5,5'-trimenthoxyochalcone (DK-139) is a synthetic chalcone-derived compound. This study evaluated the biological activity of DK-139 on the inhibition of tumor metastasis. Growth-regulated oncogene-alpha (GROα) plays an important role in the progression of tumor development by
Trans-Chalcone Attenuates Pain and Inflammation in Experimental Acute Gout Arthritis in Mice.
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Gouty arthritis is characterized by an intense inflammatory response to monosodium urate crystals (MSU), which induces severe pain and reduction in the life quality of patients. Trans-Chalcone (1,3-diphenyl-2-propen-1-one) is a flavonoid precursor presenting biological activities such as
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