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Ali Abid Abojassim, Lubna A Al-Alasadi, Ahmed R Shitake, Faeq A Al-Tememie, Afnan A Husain
Biscuits are an important type of food, widely consumed by babies in Iraq and other countries. This work uses gamma spectroscopy to measure the natural radioactivity due to long-lived gamma emitters in children's biscuits; it also estimates radiation hazard indices, that is, the radium equivalent activity, the representative of gamma level index, the internal hazard index, and the annual effective dose in children. Ten samples were collected from the Iraqi market from different countries of origin. The average specific activities for (226)Ra, (232)Th, and (40)K were 9...
September 2015: Journal of Food Protection
Scott Giese, George Richard Sabell, Mary Coussons-Read
This article provides a controlled evaluation of the ability of dietary supplementation with a commercially available rice bran extract modified with shitake mushroom extract (MGN-3) to support the immune function by assessing the ability of immunocytes to proliferate and produce cytokines in response to a mitogenic challenge. Twenty-four male Lewis rats were fed a control diet (Maypo sweetened oatmeal) or Maypo containing the recommended daily dose of MGN-3 for 2 weeks. This treatment modestly enhanced mitogen enhanced proliferation of splenocytes and interferon-gamma (IFN-g) production, and significantly increased proliferation of splenocytes to the superantigen toxic shock syndrome toxin-1 (TSST-1) as well as natural killer (NK) cell activity and production of interleukin-2 (IL-2) by stimulated lymphocytes...
2008: Journal of Dietary Supplements
L Menghini, L Leporini, N Scanu, G Pintore, C Ferrante, L Recinella, G Orlando, M Vacca, L Brunetti
AIM: Aim of this study was to evaluate the effects of phytocomplexes of Uncaria, Shiitake and Ribes in terms of viability and inflammatory response on immune cell-derived cultures. METHODS: Standardized extracts of Uncaria, Shitake and Ribes and their commercial formulation were tested on cell lines PBMC, U937 and macrophage. The activity was evaluated in terms of cell viability (MTT test), variations of oxidative marker release (ROS and PGE2) and modulatory effects on immune response (gene expression of IL-6, IL-8 and TNFα, RT-PCR)...
February 2012: Minerva Medica
Emmet McCormack, Jørn Skavland, Maja Mujic, Øystein Bruserud, Bjørn Tore Gjertsen
Lentinan, a beta-glucan nutritional supplement isolated from the shitake mushroom (Lentula edodes), is a biological response modifier with immunostimulatory properties. Concomitantly, the role of beta-glucans as chemoimmunotherapeutic in a number of solid cancers has been widely documented. We investigated the effects of nutritional grade lentinan upon BN rats and in a preclinical syngeneic model of acute myeloid leukemia. BN rats supplemented daily with lentinan exhibited weight gains, increased white blood cells, monocytes, and circulating cytotoxic T-cells; and had a reduction in anti-inflammatory cytokines IL-4, IL-10, and additionally IL-6...
2010: Nutrition and Cancer
Rachel Hearst, David Nelson, Graham McCollum, B Cherie Millar, Yasunori Maeda, Colin E Goldsmith, Paul J Rooney, Anne Loughrey, J R Rao, John E Moore
BACKGROUND: Antibiotic agents have been in widespread and largely effective therapeutic use since their discovery in the 20th century. However, the emergence of multi-drug resistant pathogens now presents an increasing global challenge to both human and veterinary medicine. It is now widely acknowledged that there is a need to develop novel antimicrobial agents to minimize the threat of further antimicrobial resistance. With this in mind, a study was undertaken to examine the antimicrobial properties of aqueous extracts of 'exotic' Shiitake and Oyster mushrooms on a range of environmental and clinically important microorganisms...
February 2009: Complementary Therapies in Clinical Practice
R Shitak, A K Sahai, D Hota, A Chakrabarti
The present study aimed at establishing the CD50 and CD99 doses along with complete dose-response profile of two convulsants, namely, kainic acid and pentylenetetrazole (PTZ), in mice and evaluating the modulatory role of the cerebroselective dihydropyridine calcium channel blocker nimodipine. Kainic acid and PTZ were administered intraperitoneally in a dose range of 1-30 mg kg(-1) and 35-75 mg kg(-1), respectively. Nimodipine was administered in graded doses (1-8 mg kg(-1), i.p.) with 15 min pretreatment time against CD99 doses of both kainic acid and PTZ...
January 2007: Methods and Findings in Experimental and Clinical Pharmacology
R Shitak, A K Sahai, D Hota, A Chakrabarti
The present study aimed at establishing two models of experimental seizures by combination treatment with subconvulsive doses of PTZ and kainic acid in adult male mice and evaluating the modulatory role of cerebroselective dihydropyridine calcium channel blocker, nimodipine. The CD50 +/- SEM value for PTZ was found to be 20.00 +/- 0.92 mg/kg, ip in kainic acid (administered at per se subconvulsive dose of 1.00 mg/kg, ip) pretreated mice while CD50 +/- SEM value for kainic acid was found to be 0.30 +/- 0.08 mg/kg, ip in PTZ (administered at per se subconvulsive dose of 30...
July 2006: Indian Journal of Physiology and Pharmacology
Patrick H K Ngai, T B Ng
From the fruiting bodies of the edible mushroom Lentinus edodes, a novel protein designated lentin with potent antifungal activity was isolated. Lentin was unadsorbed on DEAE-cellulose, and adsorbed on Affi-gel blue gel and Mono S. The N-terminal sequence of lentin manifested similarity to endoglucanase. Lentin, which had a molecular mass of 27.5 kDa, inhibited mycelial growth in a variety of fungal species including Physalospora piricola, Botrytis cinerea and Mycosphaerella arachidicola. Lentin also exerted an inhibitory activity on HIV-1 reverse transcriptase and proliferation of leukemia cells...
November 14, 2003: Life Sciences
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