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37篇 您的检索式:作者名="Allan Z"
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1脂联素对乳腺癌细胞MCF7生长抑制的影响显示文摘目的 观察脂联素对人乳腺癌MCF7细胞株生长抑制的影响及探讨其可能的作用机制.方法 RPMI 1640培养基培养MCF7细胞.应用实时定量聚合酶链反应(RT-PCR)方法检测MCF7细胞脂联素受体的表达.观察脂联素(20、40 μg/ml)作用48 h后对细胞计数、细胞周期的影响.检测脂联素对细胞磷酸化腺苷酸活化蛋白激酶α(p-AMPKα)/总腺苷酸活化蛋白激酶α(AMPKα)、磷酸化蛋白激酶B(p-Akt)/蛋白激酶B(Akt)、细胞周期素D1(cyclinD1)及细胞周期素E2(cyclinE2)表达的影响.采用方差分析进行统计学分析.结果 (1)MCF7细胞表达脂联素受体1和受体2.(2)脂联素对MCF7细胞的生长具有抑制作用,且此作用呈现为剂量依赖性.当脂联素浓度为20和40μg/ml时,MCF7的细胞计数分别为对照组的86.7%和72.9%(F=20.438,P<0.05).(3)脂联素可抑制MCF7细胞的增殖,使较多的细胞停留于G1/G0期(对照组为45.1%±0.7%,20 μg/ml脂联素组49.1%±1.3%,40 μg/ml脂联素组50.1%±1.1%,F=17.339,P<0.05),而S期细胞比例相对减少(对照组39.9%±1.2%,20μg/ml脂联素组36.4%±1.5%,40 μg/ml脂联素组36.0%±2.1%,F=9.715,P<0.05),此作用呈剂量依赖性.(4)脂联素作用30 min可增加MCF7细胞p-AMPKα (Thr172)表达(对照组、20、40 μg/ml脂联素组相对表达量分别为0.44±0.01、0.67±0.02、0.72±0.03,F=91.07,P<0.05),作用24 h可降低cyclin D1的表达(对照组、20、40 μg/ml脂联素组相对表达量分别为0.81±0.03、0.70±0.03、0.59±0.03,F=30.25,P<0.05),作用48 h可降低cyclin E2的表达(对照组、20、40 μg/ml脂联素组相对表达量分别为0.83±0.04、0.72±0.02、0.64±0.02,F=21.17,P<0.05).结论 脂联素可抑制乳腺癌细胞株MCF7的生长,其作用机制可能与AMPK激活、降低cyclin D1和cyclinE2表达有关.陈晓庆 丛丽 卞丙凤 戈慧颖 Allan Z Zhao 2013中华糖尿病杂志2013,5,7:4
2Multi-plexed fiber Bragg grating interrogation system using amicroelectromechanical Fabry-Perot tunable filter显示文摘ALLAN W R GRAHAM Z W ZAYAS J R 2009IEEE Sensors Journal2009,9,8:1
3Patterns of weight gain in pregnant women with and without gestational diabetes mellitus:an observational study显示文摘Stewart Z A Wallace E M Allan CA 0,,05:1
4Control of Taenia solium taeniasis/cysticercosis:From research towards implementation显示文摘Pawlowski Z Allan J Sarti E 2005International Journal for Parasitology2005,35,1112:1
5Induction of G250-targeted and T-cell-mediated antitumor activity against renal cell carcinoma using a chimeric fusion protein consisting of G250 and granulocyte/monocyte-colony stimulating factor显示文摘Cho-Lea T Amnon Z Allan P 2001Cancer Res2001,61,21:1
6The occurrence of the γ-phase in injection moulded polypropylene in relation to the processing conditions显示文摘Kalay G Zhong Z Allan P 1996Polymer1996,37,:1
7Time series analysis model for the rate of influx of refugees in Kenya显示文摘ALLAN M L MUTHAMA M N KINYANJUI S Z 2013The International Journal of Engineering and Science2013,2,9:1
8Modeling of load demand due to EV battery charging in distribution systems显示文摘KEJUN Q CHENGKE Z ALLAN M 2011IEEE Transactions on Power Systems2011,26,2:1
9Recreation carrying capacity estimations to support beach management at Praia de Faro, Portugal 显示文摘DANIEL A Z ALLAN T W ALICE N 2011Applied Geography2011,31,3:1
10Changing concepts in the management of renal oncocytoma显示文摘Debby HC Amnon Z Allan J 2002Urology2002,59,:1
11Quasiparticle caculation of the dielectric response of silicon and germanium显示文摘Levine Z H Allan D C 1991Phys Rev B1991,43,:1
12The atomic parameters in the lanthanum trifluoride structure显示文摘 David H Empleton T 1966Inorg Chem1966,5,8:1
13Production in Vitro by peripheral lym phocytes response to human papillomavims-derived peptide;correlation with cervical pathology显示文摘Tsu Kui T Allan H Interleukim Z 1996Cancer Res1996,56,:1
14显示文摘Levine Z H Allan D C 1989Phys Rev Lett1989,63,:1
15p27-p16 fusion gene inhibits angioplasty-induced neointimal hyperplasia and coronary artery occlusion显示文摘 Allan C Jean M Paula C Nathalie Z La DC 2001Circ Res2001,89,:1
16Improving uyerseller system cooperation through inventory control 显示文摘LIS X HUANG Z M ALLAN ASHLEY 1996International Production Economics1996,43,:1
17Purification and biological activity of thymosin,a hormone of the thymus gland显示文摘Allan L G Arabinda G Marion M Z 1972Proc Nat Acad Sci USA1972,69,7:1
18Virtual water ' Flows ' of the nile basin, 1998-2004: A First approximation and implication for water security 显示文摘MARK Z ALLAN J A MOHIELDEEN Y 2010Global Environmental Change2010,,20:1
19Recreation carrying capacity estimations to support beach management at Praia de Faro, Portugal显示文摘DANIEL A Z ALLAN T WILLIAMS A 2011Applied Geography2011,31,3:1
20Quasiparticle calculation of the dielectric response of silicon and germanium 显示文摘Levine Z H Allan D C 1991Physical Review B1991,43,5:1
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