quercitin/vėžys

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Nutraceutical treatment and prevention of benign prostatic hyperplasia and prostate cancer.

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During the last years, pharmaceutical innovations in primary care are dramatically less frequent and will be even more rare in the next future. In this context, preclinical and clinical research oriented their interest toward natural compounds efficacy and safety, supporting the development of a new

The benefits of Quercitin for dentistry and maxillofacial surgery: a systematic review.

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Quercetin (3,3',4',5,7-pentahydroxyflavone) is the major bioflavonoid in the human diet and belongs to an extensive class of polyphenolic flavonoid compounds almost ubiquitous in plants and plant food sources. The estimated average daily dietary intake of quercetin by an individual in the United

Effect of antioxidant flavonoids and a food mutagen on lymphocytes of a thalassemia patient without chelation therapy in the Comet assay.

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Thalassemia remains a significant health problem in Europe, the Middle East, and Asia. In such patients, generally high iron levels make free oxygen radicals accessible, for example, through Fenton-type chemistry, and generate superoxide and hydroxyl radicals. Increased oxygen radical capacity is

Cytotoxic compounds from the leaves of Gaillardia aristata Pursh. growing in Egypt.

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Ten compounds, neopulchellin (1), 6α- hydroxyneopulchellin (2), β-sitosterol-3-O-β-D-glucoside (3), apigenin (4), quercitin (5), eupafolin (6), kaempferol-3-methoxy-7-O-α-L-rhamnoside (7), apigenin-7-O-β-D-glucopyranoside (8), α-amyrin (9) and β-sitosterol (10), were isolated from the leaves of

Studies on intrachromosomal recombination in SP5/V79 Chinese hamster cells upon exposure to different agents related to carcinogenesis.

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In the present study 34 agents, related to carcinogenesis in different ways, were investigated with respect to their recombinogenic activity in mammalian cells. The induction of intrachromosomal recombination was studied using the spontaneous mutant clone SP5 derived from V79 Chinese hamster cells,

First Report of Powdery Mildew on Spanish Needles (Bidens bipinnata) Caused by Podosphaera xanthii in Korea.

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Spanish needles (Bidens bipinnata L.) is an annual herb that belongs to a genus of flowering plants in family Asteraceae native to United States, and tropical regions around world. The plant produces important flavonoid compounds quercitin and hyperoside that function as anti-allergens,

Effect of environmental conditions (pH, oxygenation and temperature) on the cytotoxicity of flavone acetic acid and its dimethylaminoethyl ester.

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Bioflavonoids are known to inhibit enzymes in the glycolytic pathway and have been reported to decrease tumour blood flow. The antineoplastic capabilities of flavone acetic acid (FAA), dimethylaminoethyl-flavone-8-acetate (FAA ester) and quercitin (Q) as a function of pH, level of oxygenation and in

Chromosome aberrations in cattle with chronic enzootic haematuria.

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Chromosomal aberrations were investigated in 56 cattle with chronic enzootic haematuria (CEH) raised on pastures giving access to bracken fern. Of these animals, 27 were slaughtered and showed neoplastic lesions of the urinary bladder. Tumour tissue from 11 of the 27 cattle contained bovine

Comparison of the total oxyradical scavenging capacity and oxygen radical absorbance capacity antioxidant assays.

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Epidemiological studies have shown that phytochemicals in fruits and vegetables may decrease the incidence of cancer. The antioxidant activity of phytochemicals may be partially responsible for the reduced cancer risk. In this study, the antioxidant activity of several phytochemicals was compared

Magnetic core-shell nanoparticles for drug delivery by nebulization.

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BACKGROUND Aerosolized therapeutics hold great potential for effective treatment of various diseases including lung cancer. In this context, there is an urgent need to develop novel nanocarriers suitable for drug delivery by nebulization. To address this need, we synthesized and characterized a

Structure-activity relationships for inhibition of human 5alpha-reductases by polyphenols.

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The enzyme steroid 5 alpha-reductase (EC 1.3.99.5) catalyzes the NADPH-dependent reduction of the double bond of a variety of 3-oxo-Delta(4) steroids including the conversion of testosterone to 5 alpha-dihydrotestosterone. In humans, 5 alpha-reductase activity is critical for certain aspects of male

Role of quercetin (a natural herbal compound) in allergy and inflammation.

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An investigated flavonoid, quercetin, is reviewed in this article. Quercetin is a bioflavonoid found in red wine, grapefruit, onions, apples, black tea, and, in lesser amounts, in leafy green vegetables and beans. Quercetin has an antioxidant and anti-inflammatory activity and prevents cancer.

An assessment on the role of endophytic microbes in the therapeutic potential of Fagonia indica.

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BACKGROUND Natural products of animals, plants and microbes are potential source of important chemical compounds, with diverse applications including therapeutics. Endophytic bacteria that are especially associated with medicinal plants presents a reservoir of therapeutic compounds. Fagonia indica

Bioactive compounds or metabolites from black raspberries modulate T lymphocyte proliferation, myeloid cell differentiation and Jak/STAT signaling.

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Bioactive phytochemicals from natural products, such as black raspberries (BRB; Rubus occidentalis), have direct anticancer properties on malignant cells in culture and in xenograft models. BRB components inhibit cancer progression in more complex rodent carcinogenesis models. Although mechanistic

Not in the mind of neurasthenic lazybones but in the cell nucleus: patients with chronic fatigue syndrome have increased production of nuclear factor kappa beta.

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There is now some evidence that chronic fatigue syndrome is accompanied by an activation of the inflammatory response system and by increased oxidative and nitrosative stress. Nuclear factor kappa beta (NFkappabeta) is the major upstream, intracellular mechanism which regulates inflammatory and

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