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| 1 | Effects of allicin on both telomerase activity and apoptosis in gastric cancer SGC-7901 cells显示文摘AIM: To investigate the effects of allicin on both telomeraseactivity and apoptosis in gastric cancer SGC-7901 cells.METHODS: The gastric cancer SGC-7901 adenocarcinomacells were treated with allicin and the cell cycle, inhibitoryrate, apoptosis, telomerase activity and morphologic changeswere studied by MTT assay, flow cytometry (FCM), TRAP-PCR-ELISA assay, light microscope, electron microscoperespectively. Results were compared with that of AZT (3′-Azido-3′-deoxythymidine).RESULTS: SGC-7901 cells were suppressed after exposureto allicin of 0.016 mg/ml, 0.05 mg/ml, and 0.1 mg/mi for48 h. Compared with the control, the difference wassignificant (P<0.05). Allicin could induce apoptosis of thecells in a dose-dependent and non-linear manner andincrease the proportion of cells in the G2/M phase. Comparedwith the control, the difference was significant in terms ofthe percentage of cells in the G2/M phase (P<0.05). Allicincould inhibit telomerase activity in a time-dependent anddose-dependent pattern. After exposure to allicin at 0.016mg/ml for 24 hours, SGC-7901 cells showed typicalmorphologic change.CONCLUSION: Allicin can inhibit telomerase activity andinduce apoptosis of gastric cancer SGC-7901 cells. Allicinmay be more effective than AZT. | Li Sun Xu Wang Department of Oncology,Affiliated Hospital of Xuzhou Medical College,Xuzhou 221002,Jiangsu Province,China | 2003 | World Journal of Gastroenterology2003,9,9: | 46 |
| 2 | Effect of apoptosis on gastric adenocarcinoma cell line SGC-7901 induced by cis-9,trans-11-conjugated linoleic acid显示文摘AIM: To determine the effect of apoptosis on gastric cancer cells (SGC-7901) induced by cis-9, trans-11-conjugated linoleic acid (c9, t11-CLA) and its possible mechanism in the inhibition of cancer cells growth.METHODS: Using cell culture, flow cytometery and immunocytochemical techniques, we examined the cell growth, frequency of apoptosis and distribution of cell cycle,expression of ki67, bcl-2, Fas, and c-myc of SGC-7901 cells which were treated with various c9, t11-CLA concentrations (25,50,100 and 200 μmol@L-1) of c9, t11-CLA for 24h and 48 h,with a negative control (0.1% ethanol).RESULTS: The growth of SGC-7901 cells was inhibited by c9,t11-CLA. Eight days after treatment with various concentrations of c9,t11-CLA, as mentioned above, the inhibition rates were 5.9 %, 20.2 %,75.6 % and 82.4 %, respectively. The frequency of apoptosis on SGC-7901 cells induced by different concentrations of c9, t11-CLA (except for 25 μmol@L-1, 24 h) was significantly greater than that in the negative control (P<0.01). To further investigate the influence of the cell cycle progression, we found that apoptosis induced by c9, t11-CLA may be involved in blocking the cell cycle of SGC-7901 cells. Immunocytochemical staining demonstrated that SGC-7901 cells preincubated in media supplemented with different c9, t11-CLA concentrations for various time periods significantly decreased the expressions of ki67 (the expression rates were 18.70-3.20 %, at 24 h and 8.10-0.20 % at 48 h, respectively), bd-2 (4.30-0.15 % at 24 h and 8.05 %-0 at 48 h),and c-myc(4.85-2.20 % at 24 h and 4.75-0.30 % at 48 h) as compared with those in the controls (the expressions of ki67, bcl-2, and c-mycwere 15.1% at 24 h and 13.5 % at 48 h, 6.80 % at 24 h and 8.00 % at 48 h,5.50 % at 24 h and 5.30 % at 48 h, respectively) (P<0.01),whereas the expressions of Fas were increased (0.60-2.75 %,24 h and 0.45-5.95 %, 48 h).CONCLUSION: The growth and proliferation of SGC-7901 cells are inhibited by cg, t11-CLA via blocking the cell cycle,pathways of bcl-2-associated mitochondria with reduced expression of bcl-2 and Fas-associated death domain protein (FADD) with enhanced expression of Fas. But expression of c-myc on SGC-7901 cells is lower than that in negative control, which needs to be studied further. | Jia-RenLiu Bing-QingChen Yan-MeiYang Xuan-LingWang Ying-BenXue | 2002 | World Journal of Gastroenterology2002,8,6: | 20 |
| 3 | 大蒜有效成分的药理作用研究进展显示文摘大蒜含有多种化学成分,目前发现其主要的生物活性物质是二烯丙基一硫化物、二烯丙基二硫化物、二烯丙基三硫化物和蒜氨酸等硫化物,这些有效成分具有抗氧化、抗肿瘤、抗感染、防治心脑血管疾病、调节肝脏药物代谢酶、抗神经变性和调节细胞内Ca^(2+)水平等广泛的药理学作用。 | 罗丹 方峰 | 2004 | 医药导报2004,23,6: | 19 |
| 4 | 大蒜素诱导结肠癌HT-29细胞凋亡显示文摘本实验的目的是观察大蒜素(allicin)对人结肠癌HT-29细胞凋亡和增殖的影响,并对其作用机制做初步的探讨。通过利用倒置显微镜、荧光显微镜、透射电镜、流式细胞术以及Real time PCR等方法,对大蒜素处理后的HT-29细胞的形态、存活率、细胞周期分布、细胞凋亡率、线粒体膜电位(驻追m)以及Bax/Bcl-2基因表达比例的变化进行了研究。结果显示,大蒜素可抑制HT-29细胞增殖,且呈剂量依赖性关系。大蒜素作用于HT-29细胞48 h的最佳药物浓度是6滋g/m L。在此条件下,细胞出现明显的凋亡现象。早期和晚期细胞凋亡率分别为(7.48依0.38)%和(10.07依0.78)%,驻追m显著下降(p<0.01),细胞被阻滞于S期和G2期,Bax/Bcl-2的比值显著升高(p<0.01)。因此,我们推测大蒜素可能通过调节Bax和Bcl-2两个基因的表达比例,诱导人结肠癌HT-29细胞的凋亡,进而抑制癌细胞的增殖。 | 邵淑丽 刘锐 隋文静 赵彬 张伟伟 杨希婷 张楠 | 2015 | 基因组学与应用生物学2015,34,2: | 17 |
| 5 | Involvement of hepatitis B X-interacting protein (HBXIP) in proliferation regulation of cells显示文摘瞄准:到 investigat 肝炎 B X 交往的效果蛋白质(HBXIP ) oncell proliferation.Methods:对 HBXIP 的兔子抗体是 HBXIP 基因的 generated.The RNA 干扰( RNAi )碎片在编码 HBXIP 基因和 pSilencer-hbxip weretransfected 进人的胸癌 MCF-7 房间, hepatoma H7402 房间,和正常的 pcDNA3-hbxip 的 pSilencer-3.0-H1 向量 termedpSilencer-hbxip.Plasmids 被构造 humanhepatic 房间线 L-O2 ,respectively.3-[ 4,5-dimethylthiazol-2-yl ] -2,5-diphenyltetrazolium 溴化物( MTT )试金和 5-bromo-2-deoxyuridine 加入试金被用于 dete HBXIP 的功能之一是它在房间增长的参与。 | Feng-ze WANG Li SHA Wei-ying ZHANG Lian-ying WU Ling QIAO Nan LI Xiao-dong ZHANG Li-hong YE | 2007 | Acta Pharmacologica Sinica2007,28,3: | 16 |
| 6 | 大蒜素协同紫杉醇对肺癌细胞杀伤作用的实验研究显示文摘目的探讨大蒜素对人肺癌A549细胞周期的影响及其与周期特异性抗癌药物紫杉醇联合使用的抗肿瘤作用。方法MTT法检测大蒜素对肺癌细胞的增殖抑制作用,流式细胞仪检测细胞周期改变,Annexin V-FITC标记法定量检测细胞凋亡,观察大蒜素与紫杉醇联合使用后药物对细胞毒活性的改变。结果大蒜素可明显抑制A549细胞生长,72h药物半数抑制浓度(IC50)为18.55μg.ml-1;9.30μg.ml-1大蒜素作用A549细胞24 h后,与对照组比较,G0/G1期细胞的百分率明显减少,而G2/M期明显增加(P<0.05),大蒜素与紫杉醇联合使用后,紫杉醇72 hIC50值由单独应用的9.21μg.ml-1下降至1.07μg.ml-1;细胞凋亡率由53.2%增至97.0%。结论大蒜素可将肺癌A549细胞阻滞于G2/M期,大蒜素与紫杉醇联合使用可能具有协同抗肿瘤作用。 | 沈立 缪珩 | 2007 | 现代医学2007,35,4: | 13 |
| 7 | 大蒜素的药理作用研究概况显示文摘大蒜为百合科葱属草本植物,有效成分为大蒜素。大蒜素(Allicin)又名大蒜新素,化学名为二烯丙基三硫化物,其结构式:CH2=CH—CH—S—S—S—CH2-CH=CH2。 | 刘丹丹 孙君社 | 2007 | 中国伤残医学2007,15,1: | 12 |
| 8 | Inhibition of β-ionone on SGC-7901 cell proliferation and upregulation of metalloproteinases-1 and -2 expression显示文摘AIM:To observe the effect of β-ionone on the proliferation of human gastric adenocarcinoma cell line SGC-7901 and the inhibition of metalloproteinase.METHODS:Using growth inhibition, Zymograms assays and reverse transcription-polymerase-chain reaction (RT-PCR),we examined cell growth rates,activities of matrix metalloproteinases-2 (MMP-2) and-9 (MMP-9),and expression of metalloproteinases-1 (TIMP-1) and-2 (TIMP-2) in SGC-7901 cells after the treatment with β-ionone for 24 h and 48h, respectively.RESULTS:β-ionone had an inhibitory effect on the growth of SGC-7901 cells.Eight days after the treatment with β-ionone at concentrations of 25, 50, 100 and 200μmol/L,the inhibition rates were 25.9%, 28.2%, 74.4% and 90.1%,respectively. The IC50 value of β-ionone for SGC-7901 cells was estimated to be 89μmol/L.The effects of β-ionone on MMP-2 and MMP-9 activities in SGC-7901 cells were not observed. However,the levels of TIMP-1 and TIMP-2 transcripts were elevated in cells treated with β-ionone in a dose-dependent manner.CONCLUSION:β-ionone can inhibit the proliferation of SGC-7901 cells,upregulate the expression of TIMP-1 and TIMP-2 expression, and may influence metastasis of cancer. | Jia-RenLiu Bao-FengYang Bing-QingChen Yan-MeiYang Hong-WeiDong You-QiangSong | 2004 | World Journal of Gastroenterology2004,10,2: | 12 |
| 9 | 二烯丙基二硫对结肠癌SW480细胞系生长影响的研究显示文摘目的 观察二烯丙基二硫(DADS)对人结肠癌SW480细胞系生长的抑制作用。方法 体外细胞培养,用MTT法、集落形成试验进行观察,体内移植瘤抑制试验采用裸鼠移植瘤模型。结果 用不同浓度DADS ( 30 μg mL ,40 μg mL ,5 0 μg mL ,60 μg mL ,70 μg mL)处理SW480细胞48小时后,测得细胞生长抑制率为2 3.8%、43.7%、49.7%、60 .9%、66.0 % ,该药的IC50 约为5 0 μg mL ;用不同浓度DADS( 2 0 μg mL,30 μg mL ,40 μg mL ,5 0 μg mL)处理SW480细胞1 0天后,集落形成抑制率为48.7%、5 6.5 %、61 .6%、76.2 % ,IC50 为2 0~30 μg mL之间;以30mg kgDADS对SW480细胞裸鼠移植瘤进行实验,测得瘤重抑制率为62 .86% ,电镜检查可见结肠癌SW480细胞有早期凋亡改变。结论 DADS对结肠癌SW480细胞系生长具有明显抑制作用。 | 廖前进 苏坚 周钰娟 唐海林 向姝霖 苏琦 | 2005 | 南华大学学报(医学版)2005,33,2: | 12 |
| 10 | 大蒜素诱导卵巢癌耐顺铂细胞株SKOV-3/DDP凋亡机制的初步探讨显示文摘目的对大蒜素诱导卵巢癌耐顺铂细胞凋亡机制进行初步探讨,从而为大蒜素成为临床耐顺铂卵巢癌患者的有效治疗药物提供实验依据。方法首先对卵巢癌耐顺铂细胞株SKOV-3/DDP进行培养,选取对数生长期的SKOV-3/DDP细胞,将12.5μg/ml的大蒜素作用24h、48h、72h后,用流式细胞仪检测各组细胞周期的改变。结果与不加药的对照组比较,12.5μg/ml的大蒜素作用24h、48h、72h后,SKOV-3/DDPG0/G1期细胞减少,G2/M期细胞明显增加,而且呈现时间依赖性,提示SKOV-3/DDP细胞经大蒜素处理后细胞周期阻滞于G2/M期。结论大蒜素将SKOV-3/DDP细胞阻滞在G2/M期,可能是大蒜素诱导SKOV-3/DDP细胞凋亡的机制之一,这为大蒜素可成为临床耐顺铂卵巢癌患者的有效治疗药物提供了实验依据。 | 张飞凤 谭布珍 | 2014 | 时珍国医国药2014,25,8: | 9 |
| 11 | 大蒜素与细胞周期特异性化疗药联合应用抗肿瘤的实验研究显示文摘目的:探讨大蒜素对人胃癌细胞株BGC-823、SGC7901生长的影响及其与细胞周期特异性化疗药联合应用抗肿瘤作用。方法:MTT法测定细胞增殖抑制率并测定药物半数抑制率(IC50);流式细胞仪检测细胞周期的改变,大蒜素与NVB、5-FU、MMC、PDD四种化疗药联合应用,观察细胞毒活性的改变。结果:大蒜素对BGC-823和SGC-7901两种细胞的生长均有明显的抑制作用,72hIC50分别为:30μg/ml和20μg/ml。以72hIC50浓度大蒜素分别作用于两种胃癌细胞株24h、48h后,流式细胞仪检测与对照组比G0/G1期细胞减少,G2/M期细胞明显增加,提示两种胃癌细胞株经大蒜素处理后,细胞周期阻滞于G2/M期。大蒜素与四种化疗药联合应用,结果发现作用于BGC-823细胞,NVB72h的IC50值由原来单独应用时的9.0μg/ml降至2.25μg/ml。作用于SGC-7901细胞,NVB72h的IC50值由原来单独应用时的43.0μg/ml降至12.5μg/ml,显示大蒜素与作用于G2/M期的细胞周期特异性化疗药NVB联合应用时可增强其对肿瘤细胞的杀伤作用。结论:大蒜素可使BGC-823和SGC-7901两种细胞的增殖受到抑制,细胞周期被阻滞在G2/M期。大蒜素与G2/M期特异性化疗药联合应用,可能具有协同抗肿瘤作用。 | 马锐 何红梅 袁媛 | 2005 | 中国肿瘤临床2005,32,19: | 8 |
| 12 | Apoptosis of human gastric adenocarcinoma cells induced by β-ionone显示文摘AIM:To investigate the effect of β-ionone on the growth and apoptosis of gastric adenocarcinoma cell line SGC-7901.METHODS: Using M-IT, fluorescence dye (Hoechst-33258),transmission electron microscopy and the TUNEL assay,we examined growth and apoptosis of SGC-7901 cells treated with β-ionone at various concentrations (i.e. 25, 50, 100 and 200μmol/L) for 24h,48h.RESULTS:The growth of SGC-7901 cells was inhibited by β-ionone. Seven days after treatment with β-ionone at four concentrations, the inhibition rates were 12.04%, 30.59%,78.25% and 94.15%, respectively. The IC50 value of β-ionone for SGC-7901 cells was estimated to be 89μmol/L.The apoptotic morphology was demonstrated in SGC-7901 cells treated with β-ionone by Hoechst-33258 staining and electron microscopy. Apoptosis was also shown in β-iononetreated SGC-7901 cells by the TUNEL assay.CONCLUSION:β-ionone can inhibit cell proliferation and induce apoptosis of SGC-7901 cells.However, the mechanism needs to be further investigated. | Jia-RenLiu 3ing-QingChen Bao-FengYang Hong-WeiDong Chang-HaoSun Qiwang GuoSong You-Qiangsong | 2004 | World Journal of Gastroenterology2004,10,3: | 6 |
| 13 | 大蒜素对肉鸡生产性能和免疫机能的影响显示文摘选择1日龄爱拔益加(AA)商品肉鸡135只,随机分成3组(A、B、C),每组设3个重复,每个重复15只。A组为空白对照组,饲喂基础日粮;B组为在基础日粮中添加50 mg/kg洛克沙生和750 mg/kg 10%金霉素;C组在基础日粮中添加200 mg/kg大蒜素,研究大蒜素对肉鸡生产性能和免疫机能的影响。结果表明,与A组相比,大蒜素组在21、42日龄都能显著提高肉鸡的体重、日增重和成活率,显著降低21日龄料重比(P<0.05),但42日龄料重比降低不明显,采食量在42日龄明显增加(P<0.01);与B组相比,21日龄大蒜素组也能显著提高肉鸡体重(P<0.01)、日增重(P<0.05),降低料重比(P>0.05),在42日龄大蒜素组也使肉鸡体重、日增重增加,料重比下降(P>0.05);与A组相比,日粮中添加大蒜素后肉鸡胸腺指数和新城疫抗体效价显著提高(P<0.05),但法氏囊指数和脾脏指数有所下降(P>0.05);与B组相比,胸腺指数和新城疫抗体效价也有所增加(P>0.05)。这说明大蒜素具有促进肉鸡生长和提高免疫功能的效果。 | 王飞 章生根 李勇 | 2012 | 安徽农业科学2012,40,36: | 5 |
| 14 | 大蒜素对动物血清生化指标的影响显示文摘大蒜素是从大蒜鳞茎或葱科植物中提取的淡黄色挥发性油状物,具有抗菌消炎、增强免疫力、改善畜产品品质等作用,是目前养殖业中广泛应用的保健型饲料添加剂。综述了血清各生化指标的意义,系统分析了大蒜素对动物血清相关生化指标的影响,从而探讨大蒜素的作用机理,为大蒜素的科学应用提供了参考。 | 于子洋 王鑫 林英庭 | 2013 | 粮食与饲料工业2013,,9: | 5 |
| 15 | 大蒜辣素致肝癌细胞HepG2凋亡研究显示文摘目的研究大蒜辣素(A llic in)导致肝癌细胞HepG2凋亡的现象及其影响规律。方法运用CCK-8试剂盒研究A l-lic in对HepG2细胞增殖的影响,运用流式细胞仪检测其对细胞凋亡、DNA代谢的影响,运用免疫印迹(W estern b lot)研究肝癌细胞凋亡基因表达的影响。结果A llic in能抑制HepG2细胞的增殖,细胞倍增时间延长为4 d,同时A llic in也能导致细胞出现大量凋亡,实验结果表明其凋亡率最高为4.13%,死亡率达到70.38%。细胞周期实验结果表明A llic in能使大部分细胞处于DNA合成期的S期及G0/G1期,延缓细胞增殖。W estern b lot实验结果表明A llic in能激活细胞凋亡基因提高药物的治疗效果。结论A llic in能抑制肝癌细胞的增殖可导致细胞大量死亡并引起细胞凋亡,并能引起细胞DNA代谢发生紊乱,细胞大部分被阻滞在DNA合成的G0/G1期,细胞分裂被抑制,W estern b lot实验结果表明细胞凋亡基因大量表达,细胞发生凋亡。 | 燕丹 王坚 袁燿佐 陈志强 | 2008 | 时珍国医国药2008,19,12: | 4 |
| 16 | 大蒜素抗癌机制及在妇科肿瘤中的研究进展显示文摘大蒜素是以大蒜鳞茎为原料提取的生物活性成分的总称,其有效成分大蒜辣素和大蒜新素,大蒜素可以抑制多种癌细胞的生长并诱导其凋亡。肿瘤的发生和发展与细胞凋亡关系密切,诱导细胞凋亡已成为治疗的重要手段。大蒜素作为一种可诱导细胞凋亡的天然药物,有望为妇科肿瘤治疗开辟一条新途径。本文将对大蒜素抗癌作用及在妇科肿瘤中的应用做简要综述。 | 徐玲 俞超芹 | 2011 | 云南中医中药杂志2011,32,11: | 4 |
| 17 | 大蒜生理活性物质对胃癌细胞和黑色素瘤细胞抑制作用的研究显示文摘目的:研究大蒜生理活性物质对人胃癌细胞MGC-9和小鼠黑色素瘤细胞B16细胞增殖及细胞周期的影响。方法:用倒置显微镜观察细胞形态,噻唑蓝(MTT)比色法测定细胞增殖抑制率;流式细胞仪检测B16细胞周期分布的影响。结果:经大蒜素及其前体物质蒜氨酸、蒜氨酸酶和蒜氨酸+蒜氨酸酶处理后,MGC-9和B16细胞不同程度变圆,体积缩小,脱壁细胞增多;除蒜氨酸酶外,蒜氨酸、大蒜素和蒜氨酸+蒜氨酸酶都能诱导MGC-9和B16产生时间和剂量依赖性的增殖抑制作用,其中蒜氨酸+蒜氨酸酶的作用尤为显著。大蒜素和蒜氨酸+蒜氨酸酶阻滞B16细胞于G0/G1期。结论:本文由大蒜提取物处理后结果与已发表的临床研究相一致。 | 王霞 苟萍 孙桂琳 孙素荣 索菲娅 | 2010 | 中成药2010,32,4: | 4 |
| 18 | 大蒜汁脱臭处理及其复合饮料工艺研究显示文摘实验主要对蒜汁脱臭方法和复合蒜汁饮料配方的实验研究,结果表明,大蒜汁脱臭的最佳配比为海带汁3.3%、蜂蜜0.008%、半胱氨酸0.1%、β-环状糊精0.008%。在10℃条件下,脱臭72h,脱臭剂与蒜汁的比例为5:1;复合饮料的最佳配方为雪梨汁20.0%、蒜汁5.0%、糖8.0%、柠檬酸0.1%。 | 顾岩 文连奎 | 2011 | 食品科技2011,36,8: | 2 |
| 19 | 大蒜素抗消化道肿瘤研究进展显示文摘就大蒜素对消化道肿瘤流行病学及作用机制的研究进展进行综述。 | 肖清 吴建军 刘凯 | 2009 | 中国现代中药2009,11,11: | 2 |
| 20 | 缺血再灌注损伤不同时期小鼠脑组织基因表达谱的研究显示文摘目的探讨缺血再灌注损伤不同时期小鼠脑组织基因表达的变化。方法建立脑缺血再灌注损伤C57BL/6小鼠模型,用BiostarM蛳20s型表达谱芯片检测脑缺血再灌注损伤后48h、10d的小鼠脑组织基因表达的变化情况。结果脑缺血再灌注损伤后48h时,DNA合成、修复、转录相关基因(ORC基因)表达上调,有利于脑缺血再灌注损伤后脑组织修复;细胞信号和传递蛋白相关基因(PP1基因)表达下调,能稳定内皮细胞屏障,减轻脑缺血再灌注损伤。脑缺血再灌注后10d时,HBVXIP基因表达下调,可促进细胞凋亡,加重脑细胞损伤,可能与延迟性神经元坏死有关。结论应用基因芯片技术能够探索脑缺血再灌注损伤的分子生物学机制。 | 周立春 王国忠 高春锦 王拥军 | 2005 | 北京医学2005,27,4: | 1 |