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lentinan/nécrose

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Effects of lentinan on abnormal ingestive behaviors induced by tumor necrosis factor.

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Lentinan (LNT), a beta-glucan derived from Lentinus edodes (Berk.) Sign., is known to work positively against cachexia in patients with malignant tumors. Because the cachectin/tumor necrosis factor (TNF) is supposed to be one of the factors that mediate cancer cachexia, we tested the effects of LNT
The effect of intravenous administration of lentinan, an immunopotentiating polysaccharide, on the production of interleukin 1-alpha (IL 1-alpha), interleukin 1-beta (IL 1-beta) and tumor necrosis factor-alpha (TNF-alpha) by monocytes in peripheral blood mononuclear cells (PBM) was studied in
The effects of glucan-based immunomodulators curdlan sulfate (CRDS) and lentinan on cytokine production stimulated by lipopolysaccharide (LPS) in bacillus Calmette-Guerin (BCG)-primed mice were investigated. Pretreatment with CRDS or lentinan before LPS administration induced a striking inhibition

Structural characterization and antiviral activity of lentinan from Lentinus edodes mycelia against infectious hematopoietic necrosis virus.

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A novel lentinan (LNT-I) was extracted from Lentinus edodes mycelia, and purified by an anion-exchange DEAE cellulose column and Sephadex G-200 gel. The structural characterization of LNT-I was determined by gas chromatography-mass spectrometry, high performance gel permeation chromatography,

The elevation of plasma soluble tumor necrosis factor receptor levels by TNF induction therapy for patients with malignancy.

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Soluble tumor necrosis factor receptor (sTNF-R) is known to inhibit patient immunity via specific binding with the TNF molecule. To examine the possible involvement of sTNF-R in cancer immunotherapy, the plasma levels of sTNF-R of both 55 kDa and 75 kDa origins were estimated when TNF was induced in

Potentiation of schistosome granuloma formation. By lentinan--a T-cell adjuvant.

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Lentinan is a fungal polysaccharide which acts as a T-cell adjuvant. When this glucan was administered to thymus-intact mice by intraperitoneal injection, conspicuously enlarged lung granulomas formed in response to either Schistosoma mansoni or S japonicum eggs or to antigen-coated polyacrylamide

Synthesis and macrophage activation of lentinan-mimic branched amino polysaccharides: curdlans having N-Acetyl-d-glucosamine branches.

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N-Acetyl-d-glucosamine branches were incorporated at the C-6 position of curdlan, a linear β-1,3-d-glucan, and the resulting nonnatural branched polysaccharides were evaluated in terms of the immunomodulation activities in comparison with lentinan, a β-1,3-d-glucan having d-glucose branches at C-6.

Fucogalactan isolated from Sarcodon aspratus elicits release of tumor necrosis factor-alpha and nitric oxide from murine macrophages.

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Eight species of mushrooms were evaluated for mitogenic activity by the tetrazolium salt 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) method using spleen cells of C3H/HeN female mice. The hot water-soluble (HWS) fraction extracted from Sarcodon aspratus showed the highest

Different suppressive effects of fucoidan and lentinan on IL-8 mRNA expression in in vitro gut inflammation.

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A system for assessing the anti-inflammatory effects of food factors was developed by establishing a co-culture system with intestinal epithelial Caco-2 cells and macrophage RAW264.7 cells. The results indicate that fucoidan and lentinan exhibited different suppressive effects on interleukin-8

[Intravenous chronic toxicity of lentinan in rats: 6-month treatment and 3-month recovery (author's transl)].

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Chronic toxicity of lentinan was studied in male and female JCL : SD rats. Lentinan was given intravenously into tail vein. Dosage levels employed were 0 (5% mannitol), 0.01, 0.1, 1 (with or without dextran), and 10 mg/kg/day for 6 months in a volume of 1 ml/100 g body weight. After 6 months, the
The endogenous induction of tumor necrosis factor serum (TNS) for cancer immunotherapy was undertaken in the immediate postoperative period using Lentinan as the primer and OK-432 as the inducer. The changes in several immunological markers of the blood were assayed and compared with a control group

[The immunomodulatory effect of lentinan].

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Lentinan (LTN) was extracted from Lentinus edodes (Berk) Sing with molecular weight of 5 x 10(5). The effects of lentinan on cellular immune function were studied in vivo by measuring the cellular delayed type hypersensitivity (DTH) to dinitrofluorobenzene (DNFB) in cyclophosphamide (Cy)-comprised

The protective effect and mechanism of lentinan on acute kidney injury in septic rats

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Background: This study aimed to investigate the protective effect and mechanism of lentinan (LNT) on acute kidney injury (AKI) in septic rats. Methods: A total 72 male SD rats

Clinical application of a combination therapy of lentinan, multi-electrode RFA and TACE in HCC.

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BACKGROUND Hepatocellular carcinoma (HCC) is one of the most common cancer-related causes of death worldwide and there is a clear need for further treatment options. In this study, we assessed the efficacy of a combination of lentinan (a fungal extract), transcatheter arterial chemoembolisation

Intestinal anti-inflammatory activity of lentinan: influence on IL-8 and TNFR1 expression in intestinal epithelial cells.

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Inflammatory bowel disease (IBD) is characterized by chronic inflammation of the gastrointestinal tract. It is unknown whether β-1,3;1,6-glucan can induce immune suppressive effects. Here, we study intestinal anti-inflammatory activity of Lentinula edodes-derived β-1,3;1,6-glucan, which is known as
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