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isoflavone/hypoxia
L'enllaç es desa al porta-retalls
Pàgina 1 des de 21 resultats
Tectorigenin, an isoflavone aglycone from the rhizome of Belamcanda chinensis, induces neuronal expression of erythropoietin via accumulation of hypoxia-inducible factor-1α.
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Traditional Chinese medicines (TCMs) have been demonstrated as an important source for potential drug discovery. Flavonoids are regarded as the most common active components in TCMs because of their beneficial functions in the brain and erythropoietic system. Erythropoietin (EPO), a glycoprotein
Potential beneficial effects of oral administration of isoflavones in patients with chronic mountain sickness.
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Soy isoflavones (Ifs), which are natural phytoestrogens, have beneficial effects in cardiovascular disease. We have previously shown that genistein, the most active component of Ifs, inhibits pulmonary vascular structural remodeling and right ventricular hypertrophy induced by chronic hypoxia in
Hypoxia-inducible factor and vascular endothelial growth factor are targets of dietary soy during acute stroke in female rats.
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Dietary soy and soy isoflavones are neuroprotective in experimental cerebral ischemia. Because these isoflavones have estrogenic properties, we hypothesized that, like estrogens, they would inhibit acute vascular injury and the detrimental acute increase in hypoxia-induced vascular endothelial
The protective effects of puerarin in cardiomyocytes from anoxia/reoxygenation injury are mediated by PKCε.
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Puerarin is an isoflavone isolated from traditional Chinese medicine Ge-gen (Radix Puerariae). Clinical studies have confirmed the cardioprotective effects of puerarin; however, the mechanisms underlying these effects are still unclear. On the basis of previous findings, we hypothesized that
[Synthesis of isoflavones as cardiovascular drug].
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On the basis of the chemical structure of daidzein, a series of isoflavones have been synthesized. The intermediates, 7-methoxy-4'-hydroxy-isoflavone(V) and 7-hydroxy-4'-methoxyisoflavone(IX) were prepared by condensation of corresponding desoxybenzoin with dimethylformamide dimethylacetal.
Soy isoflavones enhance radiotherapy in a metastatic prostate cancer model.
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We previously reported that genistein, the bioactive isoflavone of soybeans, acts as a radiosensitizer for prostate cancer. Pretreatment of tumor cells with genistein potentiated radiation-induced killing in vitro and in orthotopic models in vivo. However, pure genistein promoted increased lymph
The soy phytoestrogens genistein and daidzein as neuroprotective agents against anoxia-glucopenia and reperfusion damage in rat urinary bladder.
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Some bladder disorders, such as obstructive bladder and hyperactivity, may be caused partly by ischemia/reperfusion injury (I/R). The neuroprotective effects of estrogens were demonstrated in in vitro studies and a great interest in soy isoflavones (genistein and daidzein) as alternative to the
Flavonoids inhibit hypoxia-induced vascular endothelial growth factor expression by a HIF-1 independent mechanism.
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Flavonoids are a group of polyphenolic dietary compounds that have been proposed to possess chemopreventive properties against lung cancer. In this work we analyzed the effect of a group of 20 structurally related flavonoids, including flavones, flavonols and isoflavones, on the production of
Simulating hypoxia-induced acidic environment in cancer cells facilitates mobilization and redox-cycling of genomic copper by daidzein leading to pro-oxidant cell death: implications for the sensitization of resistant hypoxic cancer cells to therapeutic challenges.
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This study was conducted to investigate the mechanism of action involved in the anti-cancer activity of daidzein and identification of cancer specific micro-environment as therapeutic target of this secondary metabolite derived from soy. Our data indicated that daidzein induces cellular DNA
Genistein Protects H9c2 Cardiomyocytes against Chemical Hypoxia-Induced Injury via Inhibition of Apoptosis.
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Suppression of VEGF-mediated autocrine and paracrine interactions between prostate cancer cells and vascular endothelial cells by soy isoflavones.
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Angiogenesis is an essential process involved in the development and progression of prostate cancer. Vascular endothelial growth factor (VEGF) is hypothesized to be a critical regulator of angiogenesis during prostate carcinogenesis. We have reported that dietary soy products inhibit prostate tumor
Isoflavones promote mitochondrial biogenesis.
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Mitochondrial damage is often both the cause and outcome of cell injury resulting from a variety of toxic insults, hypoxia, or trauma. Increasing mitochondrial biogenesis after renal proximal tubular cell (RPTC) injury accelerated the recovery of mitochondrial and cellular functions (Biochem Biophys
Estrogen-mimicking isoflavone genistein prevents bone loss in a rat model of obstructive sleep apnea-hypopnea syndrome.
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OBJECTIVE
Intermittent hypoxia was introduced to mimic obstructive sleep apnea-hypopnea syndrome (OSAHS) in rats. Then, bone mass, bone strength and bone turnover were evaluated, and the influence of genistein on bone mass reduction was investigated in these rats.
METHODS
OSAHS animal model was
Dalspinin isolated from Spermacoce hispida (Linn.) protects H9c2 cardiomyocytes from hypoxic injury by modulating oxidative stress and apoptosis.
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Induction and activity of nitric oxide synthase in cultured human intestinal epithelial monolayers.
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We have examined the induction and activity of inducible nitric oxide (NO) synthase (iNOS) in monolayers of DLD-1 cells, an epithelial cell line derived from a human intestinal adenocarcinoma. Induction of iNOS transcription?by a combination of the cytokines interferon-gamma and IL-1 beta was
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