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| 1 | Dynamic chromatin states in human ES cells reveal potential regulatory sequences and genes involved in pluripotency显示文摘Pluripotency,一个细胞的能力区分并且产生所有胚胎的系,定义象胚胎的茎(ES ) 那样的哺乳动物的细胞类型的一个小数字细胞。当它通常被保持了时,那 pluripotency 是 transcriptional 的产品激活并且维持关键干细胞基因的表达式的规章的网络,积累的证据在建立并且保卫 ES 房间的 pluripotency 为 epigenetic 进程正在指向一个关键角色,象维持区分的房间类型的身份一样。以便更好在 pluripotency 理解 epigenetic 机制的角色,我们检验了在经历区别进一个 mesendodermal 系的人的 ES 房间(hESCs ) 染色体宽的染色质修正的动力学。我们发现在倡导者的染色质修正在区别期间仍然保持大部分不变,除了在在在 H3K27 的 acetylation 和 methylation 之间的一个动态开关标记在基因表示的激活和 silencing 之间的转变的倡导者的一个小数字,建议在在大多数差别上的房间命运承诺的一个层次表示了基因。我们也在 50 000 潜在的 enhancers 上印射,并且在染色质修正,特别 H3K4me1 和 H3K27ac 观察了大得多的动力学,它与他们的潜在的目标基因的表示相关。这些 enhancers 的进一步的分析揭示了 pluripotency 和可以在 hESCs 授与发展胜任的一个平衡状态的一口染色质签名陈述语气的潜在地关键的 transcriptional 管理者。我们的结果提供在定义 enhancers 和 pluripotency 支持染色质修正的角色的新证据。 | R David Hawkins Gary C Hon Chuhu Yang Jessica E Antosiewicz-Bourget Leonard K Lee Que-Minh Ngo Sarit Klugman Keith A Ching Lee E Edsall Zhen Ye Samantha Kuan Pengzhi Yu Hui Liu Xinmin Zhang Roland D Green Victor V Lobanenkov Ron Stewart James A Thomson Bing Ren | 2011 | Cell Research2011,21,10: | 6 |
| 2 | Relative importance of enterochromaffin cell hyperplasia, anxiety, and depression in postinfectious IBS显示文摘 | Simon P Dunlop David Jenkins Keith R Neal Robin C Spiller | 2003 | Gastroenterology2003,,6: | 2 |
| 3 | Factors controlling prolific gas production from low-permeability sandstone reservoirs= Implica- tions for resource assessment, prospect development, and risk analysis显示文摘 | Keith W S Robert M C John W R | 2004 | AAPG Bulletin2004,88,10: | 1 |
| 4 | The cloning of cattle interferon-A subtypes isolated from the gut epithelium of rotavirus infected calves显示文摘 | Paul J C Keith R P RobertA C | 1996 | Immunogenetics1996,44,: | 1 |
| 5 | Knowledge sharing between design and manufacture 显示文摘 | COCHRANE S D KEITH C YOUNG R I | 2005 | Lecture Notes in Computer Science2005,3684,: | 1 |
| 6 | Phar- macological and lifestyle interventions to prevent or delay type 2 diabetes in people with impaired glucose tolerance:systematic review and meta-analysis显示文摘 | Clare L Gillies Keith R Abrams Paul C Lambert | 2007 | BMJ2007,334,: | 1 |
| 7 | 成人2型糖尿病不同筛查及预防策略成本效益分析显示文摘目的 比较针对2型糖尿病预防及治疗的4种筛查策略及随后予以的干预措施:(a)筛查2型糖尿病患者使其能接受早期检查及治疗,(b)筛查2型糖尿病和糖耐量受损患者,对糖耐量受损的人群予以生活方式干预以延缓或预防糖尿病的发生,(c)同(b)但予以药物干预措施,(d)不筛查。
设计 成本效益决策分析建立在对概率的发展和评估基础上,是从筛查到死亡的综合性经济决策分析模型。
研究对象 一组假设人群,筛查时年龄45岁,高于平均糖尿病风险水平。
数据来源 电子书目数据库收录的已发表的临床试验和流行病学研究;补充数据分别来自英国和威尔士健康统计署、风险筛查(STAR)研究和ADDITION研究的Leicester部分。
方法 建立一种决策树/Markov混合模型,以模拟每一种筛查策略的长期效用,包括临床和成本效益终点。该模型假设水平跨度为50年时间,其成本效益折损率为3.5%。采用敏感度分析以验证模型假设及确定哪种模型数据输入对结果的影响最大。
结果 与不筛查策略比较,筛查2型糖尿病、筛查糖尿病和糖耐量受损并予以生活方式干预、筛查糖尿病和糖耐量受损并予以药物干预治疗3种策略,每获得一个质量调整生命年(QALY)估计所需成本分别为(每年成本效益贴现率为3.5%)14150英镑(17560欧元;27860美元)、6242英镑和7023英镑。在支付意愿阈值为20000英镑时,各主动筛查策略通过干预产生的成本效益概率分别为49%,93%和85%。
结论 对年龄45岁、高于平均风险水平的人群进行2型糖尿病和糖耐量受损的筛查,并对糖耐量受损人群予以适当的干预似乎具有很好的成本效益。单独筛查糖尿病而不对糖耐量受损人群予以干预的策略具有的成本效益仍不确定,需要进一步研究确定早期检测糖尿病的作用。 | Clare L Gillies Paul C Lambert Keith R Abrams Alex J Sutton Nicola J Cooper Ron T Hsu Melanie J Davies Kamlesh Khunti 张晓梅(译) 纪立农(校) | 2008 | 英国医学杂志中文版2008,11,5: | 1 |
| 8 | Multi-target therapeutics: when the whole is greater than the sum of the parts显示文摘 | ZIMMERMANN G R LEHAR J KEITH C T | 2007 | Drug Discov Today2007,12,12: | 1 |
| 9 | Effect of salt and water balance on recovery of gastrointestinal function after elective colonic resection: a randomised controlled trial显示文摘 | Dileep N Lobo Kate A Bostock Keith R Neal Alan C Perkins Brain J Rowlands Simon P Allison | 2002 | The Lancet . 2002 (9320)2002,,9320: | 1 |
| 10 | The effects of vasopressin on acute kidney injury in septic shock显示文摘 | ANTHONY C GORDON JAMES A RUSSELL KEITH R WAL- LEY | 2010 | Intensive Care Med2010,36,: | 1 |
| 11 | Diabetic neuropathy: An intensive review 显示文摘 | Jeremiah John D R Keith C Setter SM | 2004 | Am J Health Syst Pharm2004,61,2: | 1 |
| 12 | The effect of liquid water on thunderstorm charging显示文摘 | W D Keith R P Mitzeva | 1991 | J Geophys Res1991,96,11: | 1 |
| 13 | Microstrip Antenna Technology 显示文摘 | Keith R C James W M | 1981 | IEEE Trans Antennas Propagat1981,29,1: | 1 |
| 14 | Efficacy of pazopanib in progressive, radioiodine-refractory, metastatic differentiated thyroid cancers: results of a phase 2 consortium study显示文摘 | Keith C Bible Vera J Suman Julian R Molina Robert C Smallridge William J Maples Michael E Menefee Joseph Rubin Kostandinos Sideras John C Morris Bryan McIver Jill K Burton Kevin P Webster Carolyn Bieber Anne M Traynor Patrick J Flynn Boon Cher Goh Hui Tan | 2010 | Lancet Oncology2010,,10: | 1 |
| 15 | Multicomponent therapeutics for networked systems 显示文摘 | Keith C T Borisy A A Stockwell B R | 2005 | Nat Rev Drug Discov2005,4,1: | 1 |
| 16 | Multi-target ther- apeutics: when the whole is greater than the sum of the parts显示文摘 | Zimmermann G R Lehar J Keith C T | 2007 | Drug Dlscov Today2007,12,12: | 1 |
| 17 | Nonlinear finite element analysis of timber beams and joints using the layered approach and hypoelastic constitutive law显示文摘 | Nima K Hamid R V Keith C | 2013 | Engineering Structures2013,46,: | 1 |
| 18 | Mandatory steroid testing of high school athletes:A synthesis of state ini- tiatives and federal constitutional rights显示文摘 | KENNETH J S KEITH M C SHANTEL R K | 2012 | J Legal Aspects Sport2012,,21: | 1 |
| 19 | Isotopic evidence of nitrate sources and denitrification in the Mississippi River,Illinois 显示文摘 | Samuel V P Keith C H Hackley W R | 2006 | Journal of Environmental Quality2006,35,: | 1 |
| 20 | Multi-target therapeutics:when the whole is greater than the sum of the parts 显示文摘 | ZIMMERMANN G R LEHAR J KEITH C T | 2007 | Drug Discov Today2007,12,: | 1 |