Anti-mutagenic and anti-septic effects of $\beta$-1,3/1,6-glucan from Aureobasidium pullulans SM-2001 were evaluated on the on the cyclophosphamide (CPA)-cecal ligation puncture (CLP) and CPA-treated mice. To induce immunosuppression and mutagenicity, 150 and 110 mg/kg of CPA were single ...
Anti-mutagenic and anti-septic effects of $\beta$-1,3/1,6-glucan from Aureobasidium pullulans SM-2001 were evaluated on the on the cyclophosphamide (CPA)-cecal ligation puncture (CLP) and CPA-treated mice. To induce immunosuppression and mutagenicity, 150 and 110 mg/kg of CPA were single intraperitoneally injected at 3 or 1 day before CLP or initial $\beta$-glucan administration. In CLP animals, the cecum was mobilized and ligated below the ileocecal valve, punctured through both surfaces twice with a 22-gauge needle. 125 mg/kg of $\beta$-glucan were dissolved in saline and subcutaneously or orally administered in a volume of 10 ml/kg (of body weight), 4 times, 12 hrs intervals from 6 hrs after CLP or 1 day after second dose of CPA. After treatment of $\beta$-glucan, the mortalities were observed in CPA-CLP model, and the appearance of a micronucleus is used as an index for genotoxic potential in CPA model. As results of CPA-CLP sepsis, all animals (9/9, 100%) in CPA-CLP control were dead within 2 days after CLP. In addition, increase of the number of bone marrow MNPCEs indicated mutagenicity were also observed by treatment of CPA. However, $\beta$-glucan treatment effectively inhibited the mortalities in CPA-CLP, and it also reduced the CPA treatment-related mutagenicity, respectively. These results indicated that $\beta$-glucan has effective anti-septic and anti-mutagenic effects and can be used as an agents for treating sepsis and mutagenicity related to high-dose chemotherapy or radiotherapy. However, further studies should be conducted to observe more detail action mechanisms of it's anti-septic and anti-mutagenic effects.
Anti-mutagenic and anti-septic effects of $\beta$-1,3/1,6-glucan from Aureobasidium pullulans SM-2001 were evaluated on the on the cyclophosphamide (CPA)-cecal ligation puncture (CLP) and CPA-treated mice. To induce immunosuppression and mutagenicity, 150 and 110 mg/kg of CPA were single intraperitoneally injected at 3 or 1 day before CLP or initial $\beta$-glucan administration. In CLP animals, the cecum was mobilized and ligated below the ileocecal valve, punctured through both surfaces twice with a 22-gauge needle. 125 mg/kg of $\beta$-glucan were dissolved in saline and subcutaneously or orally administered in a volume of 10 ml/kg (of body weight), 4 times, 12 hrs intervals from 6 hrs after CLP or 1 day after second dose of CPA. After treatment of $\beta$-glucan, the mortalities were observed in CPA-CLP model, and the appearance of a micronucleus is used as an index for genotoxic potential in CPA model. As results of CPA-CLP sepsis, all animals (9/9, 100%) in CPA-CLP control were dead within 2 days after CLP. In addition, increase of the number of bone marrow MNPCEs indicated mutagenicity were also observed by treatment of CPA. However, $\beta$-glucan treatment effectively inhibited the mortalities in CPA-CLP, and it also reduced the CPA treatment-related mutagenicity, respectively. These results indicated that $\beta$-glucan has effective anti-septic and anti-mutagenic effects and can be used as an agents for treating sepsis and mutagenicity related to high-dose chemotherapy or radiotherapy. However, further studies should be conducted to observe more detail action mechanisms of it's anti-septic and anti-mutagenic effects.
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대상 데이터
One hundred seventeen male ICR mice (6-wk old upon receipt, SLC, JAPAN) were used after acclimatization for 7 or 8 days. Animals were allocated five or four per polycarbonate cage in a temperature (20-25℃) and humidity (40-45%) controlled room.
데이터처리
) were calculated. Statistical analyses were conducted using Mann-Whitney U-Wilcoxon Rank Sum W test (MW test) with SPSS for Windows (Release 6.1.3., SPSS Inc., USA).
성능/효과
2) Body weight gains during 2 days after dosing; * p<0.01 compared to that of intact control by MW test.
3) Not detected because all animals were died; * p<0.01 and ** p<0.05 compared to that of intact control by MW test; # p<0.05 compared to that of CPA control by MW test.
후속연구
However, further studies should be conducted to establish the more detail mode mechanisms of it's anti-septic and anti-mutagenic effects.
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