【作者】 高虹; 史德芳; 楊德; 郭鵬; 周明;
【Author】 GAO Hong1,2,SHI De-fang1,2,YANG De1,2,GUO Peng2,ZHOU Ming1,2,3 (1.National Research and Development Center for Edible Fungi Processing,Wuhan Hubei 430064;2.Research Institute of Agricultural Products Processing and Nuclear-Agricultural Technology,Hubei Academy of Agricultural Sciences,Wuhan Hubei 430064; 3.Agricultural Products Processing Subcenter of Hubei Agricultural Science and Technology Innovation Center,Wuhan Hubei 430064)
【機(jī)構(gòu)】 國(guó)家食用菌加工技術(shù)研發(fā)分中心; 湖北省農(nóng)業(yè)科學(xué)院農(nóng)產(chǎn)品加工與核農(nóng)技術(shù)研究所; 湖北省農(nóng)業(yè)科技創(chuàng)新中心農(nóng)產(chǎn)品加工分中心;
【摘要】 采用小鼠S180移植瘤實(shí)驗(yàn)研究了巴西菇子實(shí)體中麥角甾醇的體內(nèi)抗腫瘤活性,并通過巨噬細(xì)胞吞噬功能測(cè)定(中性紅法)、脾淋巴細(xì)胞增殖功能檢測(cè)(MTT法)、體外抑殺腫瘤細(xì)胞(MTT法)以及雞胚絨毛尿囊膜(CAM)等試驗(yàn)初步探討了麥角甾醇抗腫瘤活性的作用機(jī)理。結(jié)果表明,巴西菇子實(shí)體中提取的麥角甾醇在劑量10 mg.kg-1.d-1、50mg.kg-1.d-1和100 mg.kg-1.d-1時(shí)的瘤重抑制率分別為62.75%、76.61%和79.18%,說明麥角甾醇有較強(qiáng)的抑瘤活性。在巨噬細(xì)胞吞噬試驗(yàn)和脾淋巴細(xì)胞增殖試驗(yàn)中,麥角甾醇各劑量組與陰性對(duì)照組相比無統(tǒng)計(jì)學(xué)差異(p>0.05),沒有劑量依賴趨勢(shì),說明其對(duì)巨噬細(xì)胞吞噬功能和脾淋巴細(xì)胞增殖均無明顯促進(jìn)作用,可能不是通過增強(qiáng)免疫來發(fā)揮抑瘤活性的;麥角甾醇體外對(duì)人胃癌細(xì)胞SGC-7901和肝癌細(xì)胞Bel-7402的抑制試驗(yàn)中,與對(duì)照組相比均無統(tǒng)計(jì)學(xué)差異(p>0.05),說明其抑瘤活性也不是通過細(xì)胞毒作用來發(fā)揮的;在CAM實(shí)驗(yàn)中,麥角甾醇與相同劑量(5μg.mL-1)的陽(yáng)性對(duì)照地塞米松相比,表現(xiàn)出了更強(qiáng)的抑制血管生長(zhǎng)的作用(抑制率63.46...
【Abstract】 In vivo antitumor activity of ergosterol from fruiting bodies of Agaricus blazei Murrill was tested by using mouse S180 transplant tumor model.The antitumor mechanism of ergosterol were preliminary studied by a series of tests such as phagocytosis of macrophagus,proliferation of splenic cells,cytotoxicity and angiogenesis of chick chorioallantoic membrane(CAM).The tumor weight inhibition rate of ergosterol from fruiting bodies of Agaricus blazei Murrill reached 62.7%,76.6% and 79.1% at doses of ...
【關(guān)鍵詞】 巴西菇; 麥角甾醇; 抗腫瘤活性; 機(jī)理;
【Key words】 Agaricus blazei Murrill; Ergosterol; Antitumor activity; Mechanism;
【基金】 湖北省自然科學(xué)基金“巴西菇抗腫瘤血管生成活性成分研究”(2010CDB02604)
【分類號(hào)】S646.1