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echinacea purpurea/nekroza
Veza se sprema u međuspremnik
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Echinacea purpurea Root Extract Increases Tumor Necrosis Factor Production by Concanavalin A-Activated Murine Splenocytes.
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Echinacea purpurea is a common herbal remedy used to treat a variety of illnesses, though its health benefits and effects on the immune system have not been fully elucidated. In this study, we investigated the effect of E. purpurea root extract on the survival of concanavalin A
Alcohol extracts of Echinacea inhibit production of nitric oxide and tumor necrosis factor-alpha by macrophages in vitro.
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It has been suggested that Echinacea has anti-inflammatory activity in vivo. Nitric oxide (NO), tumor necrosis factor-alpha (TNF-α), and interleukin-1beta are important mediators in the inflammatory response. The effect of alcohol extracts of E. angustifolia (EA), E. pallida (EPA) and E. purpurea
Polysaccharides isolated from plant cell cultures of Echinacea purpurea enhance the resistance of immunosuppressed mice against systemic infections with Candida albicans and Listeria monocytogenes.
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Polysaccharides (EP) isolated from large scale plant cell cultures of Echinacea purpurea, have been shown to activate human and murine phagocytes. In this study we investigated the influence of EP on the nonspecific immunity in immunodeficient mice. EP was effective in activating peritoneal
First Report of Broad bean wilt virus 2 in Echinacea purpurea in China.
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Field-grown Echinacea purpurea plants showing necrosis, leaf roll, yellow mosaic, and mosaic symptoms in leaves were collected in June 2010 in Huairou, Beijing, China. ELISAs of extracts of four samples showed that one sample with mosaic symptoms had a positive reaction with Broad bean wilt virus 2
In vitro and in vivo studies of the immunomodulatory effect of Echinacea purpurea on dendritic cells.
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Background
Extracts of Echinacea have been used traditionally for the treatment of diverse types of infections and wounds. They have become very familiar immunostimulant herbal medicine. However, the specific immunomodulatory effect of Echinacea remains to beEnhancement of innate and adaptive immune functions by multiple Echinacea species.
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Echinacea preparations are commonly used as nonspecific immunomodulatory agents. Alcohol extracts from three widely used Echinacea species, Echinacea angustifolia, Echinacea pallida, and Echinacea purpurea, were investigated for immunomodulating properties. The three Echinacea species demonstrated a
Phytochemical and immunomodulatory properties of an Echinacea laevigata (Asteraceae) tincture.
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BACKGROUND
Echinacea preparations are consumed for the prevention or treatment of upper respiratory infections.
OBJECTIVE
The objective of this study was to provide the first data regarding the in vitro immunomodulatory properties of the American federally endangered species Echinacea laevigata
Human gene expression as a tool to determine horticultural maturity in a bioactive plant (Echinacea purpurea L. Moench).
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A phenological study was conducted to determine the impact of harvest maturity on the immune-modulating properties of Echinacea purpurea. The aerial parts of this plant were collected during seven stages of development and were assayed for a common botanical marker for this species, cichoric acid.
Effects of oral administration of Echinacea purpurea (American herb) on incidence of spontaneous leukemia caused by recombinant leukemia viruses in AKR/J mice.
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Four-week-old female AKR/J mice were given oral doses of powdered leaves from Echinacea purpurea three times weekly for 8 weeks (7.5 mg/mouse/week): controls received phosphate-buffered saline. Mean survival age of experimental AKR/J mice treated with the E. purpurea preparation was significantly
The effects of the dietary supplementation of Echinacea purpurea extract and/or vitamin C on the intestinal histomorphology, phagocytic activity, and gene expression of the Nile tilapia.
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In this study, the influence of the dietary incorporation of Echinacea purpurea (EP) extract and/or vitamin C on the intestinal histomorphology and some immunological indices were tested in the Nile tilapia (Oreochromis niloticus Linn.). O. niloticus were randomly divided into four groups. The
The protective effect of Echinacea spp. (Echinacea angustifolia and Echinacea purpurea) in a rat colitis model induced by acetic acid.
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Ulcerative colitis (UC) is a chronic disease that causes an inflammatory condition in the colon. Several cytokines, including tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and transforming growth factor beta (TGF-β) are crucial components of these inflammatory pathways. New
Oral administration of freshly expressed juice of Echinacea purpurea herbs fail to stimulate the nonspecific immune response in healthy young men: results of a double-blind, placebo-controlled crossover study.
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Echinacea extracts are widely used in European countries and in the United States as "immune-stimulating" agents. Even though the evidence to stimulate certain components of the nonspecific immune system (phagocytosis, macrophages, and production of cytokines) stems from in vitro experiments or
Macrophage activation by the polysaccharide arabinogalactan isolated from plant cell cultures of Echinacea purpurea.
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In this study, acidic arabinogalactan, a highly purified polysaccharide from plant cell cultures of Echinacea purpurea, with a molecular weight of 75,000, was effective in activating macrophages to cytotoxicity against tumor cells and micro-organisms (Leishmania enriettii). Furthermore, this
Effect of Chicoric Acid on Mast Cell-Mediated Allergic Inflammation in Vitro and in Vivo.
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Chicoric acid (dicaffeoyl-tartaric acid), is a natural phenolic compound found in a number of plants, such as chicory (Cichorium intybus) and Echinacea (Echinacea purpurea), which possesses antioxidant, anti-inflammatory, antiviral, and analgesic activities. Although these biological effects of
Effects of cichoric acid extract from Echinacea purpurea on collagen-induced arthritis in rats.
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Cichoric acid extract (CAE) from Echinacea purpurea L. was used to investigate the anti-arthritic effect by using collagen-induced arthritis (CIA) rat model. The hind paw swelling volume and the body weight were measured and recorded. All the drug solutions were administered orally to rats for a
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