نتایج جستجو برای: beta glucan
تعداد نتایج: 192013 فیلتر نتایج به سال:
The functional consequences of treating human monocytes with purified and chemically characterized Candida albicans beta-glucan -- a major microbial pathogen associated molecular pattern -- on their differentiation into dendritic cells (DC) were investigated. We show here that beta-glucan-treated monocytes differentiated into mature DC (Glu-MoDC) with altered phenotype and functional behavior, ...
The beta-glucan receptor, found on monocytes and neutrophils, binds glucose polymers derived from fungi. Ligands for the receptor have various immunomodulatory effects, including increased microbicidal killing activity. We have investigated the effect of beta-glucans on the production of interleukin-1 (IL-1) and its naturally occurring inhibitor, the IL-1 receptor antagonist (IL-1Ra). Particula...
The experiment was conducted to evaluate the effects of beta glucan, the plant extract, Vitabio A, and the plant extract with probiotic Lactobacillus spp. (Vitabio B) on the growth, histology and immune response of Labeo rohita (Rohu), reared for 120 days in a flow through system. Fish with an average body weight of 264±2.65g were stocked in cemented tanks at 10 fish/replicate. Four iso-nitroge...
BACKGROUND Soluble fibers lower serum lipids, but are difficult to incorporate into products acceptable to consumers. We investigated the physiological effects of a concentrated oat beta-glucan on cardiovascular disease (CVD) endpoints in human subjects. We also compared the fermentability of concentrated oat beta-glucan with inulin and guar gum in a model intestinal fermentation system. METH...
Both moderate exercise and the soluble oat fiber beta-glucan can increase immune function and decrease risk of infection, but no information exists on their possible combined effects. This study tested the effects of moderate exercise and oat beta-glucan on respiratory infection, macrophage antiviral resistance, and natural killer (NK) cell cytotoxicity. Mice were assigned to four groups: exerc...
Glucans were isolated from the cell wall of the yeast (Y) and mycelial (M) forms of Paracoccidioides brasiliensis. The alkali-soluble glucan of the Y form had properties of alpha-1,3-glucan. The alkali-insoluble glucan of the M form was identified as a beta-glucan which contains a beta-(1 --> 3)-glycosidic linkage by infrared absorption spectrum, by effect of beta-1,3-glucanase, and by partial ...
beta-Glucans are major structural components of fungi. We have recently reported that the pathogenic fungus Pneumocystis carinii assembles a beta-glucan-rich cell wall that potently activates alveolar macrophages to release pro-inflammatory cytokines and chemokines. Purified P. carinii beta-glucans predictably induce both cytokine generation and associated neutrophilic lung inflammation. Herein...
PGG-glucan (Betafectin) is a soluble, highly purified yeast (1,3)-beta-glucan with broad anti-infective and immunomodulatory activities. These studies evaluated the ability of PGG-glucan to directly elicit O2- and tumor necrosis factor alpha (TNF-alpha) production by rat leukocytes in vitro. Particulate beta-glucan stimulated O2- production by the rat NR8383 alveolar macrophage cell line and re...
To elucidate the role of (1-->3)-beta-D-glucan in pulmonary aspergilloma, serum concentrations of (1-->3)-beta-D-glucan were measured repeatedly for as long as 10 months in eight patients. In four patients with inactive disease, concentrations of (1-->3)-beta-D-glucan were in the normal range.The concentrations of (1-->3)-beta-D-glucan increased in two patients, although the disease was inactiv...
Considerable evidence suggests that mitochondrial dysfunction contributes to the toxicity of uranyl acetate (UA), a soluble salt of depleted uranium (DU). We examined the ability of the two antioxidants, beta-glucan and butylated hydroxyl toluene (BHT), to prevent UA-induced mitochondrial dysfunction using rat-isolated kidney mitochondria. Beta-glucan (150 nM) and BHT (20 nM) attenuated UA-indu...
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