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1面向21世纪的卒中新定义:美国心脏病学会和美国卒中学会声明显示文摘尽管脑血管病有着全球性影响且对其病理生理学的认识有了很多进步,但是'卒中'这一术语在临床实践、临床研究或公共卫生评估中的定义却不一致。传统的定义依据于临床,却没有考虑到科学技术的进步。美国心脏协会(AHA)和美国卒中协会(ASA)卒中分会组织了写作小组,为21世纪卒中新定义撰写专家共识性声明。中枢神经系统(CNS)梗死,指由缺血所导致的脑、脊髓或视网膜的细胞死亡,是基于持续性损害的神经病理学、神经影像学和(或)临床证据。CNS梗死表现为一个临床谱:缺血性卒中特指伴有明显症状的CNS梗死,而静息性梗死根据定义指未引起已知的症状的梗死。卒中也还包括脑出血和蛛网膜下腔出血。新定义的卒中结合了临床和组织学标准,可被用于实践、研究和公共卫生评估。俞羚 董荃 宋叶平 江静雯 李卉 刘亮贤 苏爱萍 李焰生 Sacco RL Kasner SE Broderick JP Caplan LR Connors JJ Culebras A Elkind MS George MG Hamdan AD Higashida RT Hoh BL Janis LS Kase CS Kleindorfer DO Lee JM Moseley ME Peterson ED Turan TN Valderrama AL Vinters HV 2013神经病学与神经康复学杂志2013,10,2:188
2头颈癌化疗的Meta分析——93组17346例患者随机实验最新资料显示文摘Meta-analysis of chemotherapy in head and neck cancer (MACH-NC): An update on 93 randomised trials and 17,346 patients. Pignon JP, Maitre AL, Maillard E, et al. Radiother Oncol, 2009 May 14.Pignon JP Matre AL Maillard E 2009中国口腔颌面外科杂志2009,7,4:79
3Clinical approaches to non-alcoholic fatty liver disease显示文摘Non-alcoholic fatty liver disease(NAFLD)ranges from simple steatosis to nonalcoholic steatohepatitis(NASH),leading to fibrosis and potentially cirrhosis,and it is one of the most common causes of liver disease worldwide.NAFLD is associated with other medical conditions such as metabolic syndrome,obesity,cardiovascular disease and diabetes.NASH can only be diagnosed through liver biopsy,but noninvasive techniques have been developed to identify patients who are most likely to have NASH or fibrosis,reducing the need for liver biopsy and risk to patients.Disease progression varies between individuals and is linked to a number of risk factors.Mechanisms involved in the pathogenesis are associated with diet and lifestyle,influx of free fatty acids to the liver from adipose tissue due to insulin resistance,hepatic oxidative stress,cytokines production,reduced very low-density lipoprotein secretion and intestinal microbiome.Weight loss through improved diet and increased physical activity has been the cornerstone therapy of NAFLD.Recent therapies such as pioglitazone and vitamin E have been shown to be beneficial.Omega 3 polyunsaturated fatty acids and statins may offer additional benefits.Bariatric surgery should be considered in morbidly obese patients.More research is needed to assess the impact of these treatments on a long-term basis.The objective of this article is to briefly review the diagnosis,management and treatment of this disease in order to aid clinicians in managing these patients.Katherine JP Schwenger Johane P Allard 2014World Journal of Gastroenterology2014,20,7:21
4常规脂蛋白检测和载脂蛋白在心血管病预测中的比较显示文摘总胆固醇和高密度脂蛋白胆固醇(high density lipoprotein cholesterol,HDL-C)测量值对于心血管病风险评估至关重要,但对于其他脂质用于风险预测的效用一直存在争议。该研究纳入来自英国生物银行(Biobank)的无基线心血管病、未服用他汀类药物、有相关的脂质指标(n=346 686)的受试者。Welsh C Celis-Morales CA Brown R Mackay DF Lewsey J Mark PB Gray SR Ferguson LD Anderson JJ Lyall DM Cleland JG Jhund PS Gill J MR Pell JP Sattar N Welsh P 刘青(译) 叶鹏(摘、审校) 2019中华高血压杂志2019,27,7:10
5杏仁核-海马环路参与抑郁症的发病机制显示文摘慢性应激常可引发抑郁症。临床资料显示,抑郁症病人的腹侧海马CA1区(vCA1)n体积减小。vCA1是否参与抑郁症的发病?vCA1通过什么环路起作用?其分子机制如何?是本文要回答的科学问题。研究者利用慢性不可预见性温和应激(CUMS),构建小鼠抑郁症模型。主要结果如下:(1)与对照组相比,CUMS组vCA1中表达c-Fos的兴奋性神经元的比例降低。采用化学遗传学方法激活vCA1内兴奋性神经元,可明显缓解抑郁样行为。因此,海马vCA1内兴奋性神经元的活性降低,介导抑郁症的发生。刘风雨(译) Ma H Li CY Wang JP 2021中国疼痛医学杂志2021,27,2:9
6The compression of IR spectra by using wavelet neural network显示文摘IR spectra play an important role in determining the structure of compounds qualitatively andquantitatively.In general a great number of data are required to exactly show the features ofthe compounds.Regarding various compounds,there are massive IR spectra.With the basicfeatures of IR spectra being reserved,it is important to compress IR spectra for improving thestorage,index and process of IR spectra.The wavelet neural network(WNN)is a newneural network model based on wavelet analysis.However,its introduction and applica-tion in chemistry have not been reported.In this note,WNN is applied to the compression ofthe IR spectra of polystyrene.The results show that the original spectra can beLiu, W Li, JP Xiong, JH Pan, ZX Zhang, MS 1997Chinese Science Bulletin1997,42,10:8
7岩石圈伸展的壳/幔拆离模型(Parallel Extension Tectonics):华北克拉通东部早白垩世岩石圈减薄与破坏机理显示文摘华北克拉通岩石圈减薄和破坏机理长期以来存在争议,基于岩石学、岩石地球的化学分析研究突出强调深部过程的重要性。前人提出了两种重要模式:包括以拆沉作用为代表的top-down tectonics模型和以热-机械侵蚀与化学侵蚀,或地幔置换、交代作用的bottom-up tectonics模型。然而,对于这两种模式而言尚存在许多无法合理解释的问题,比如在此深部过程中,区域性岩石圈伸展有多大的贡献?地壳伸展构造是作为深部过程的响应,还是同为岩石圈伸展的产物?本文基于早白垩世东亚地区(尤其是华北克拉通东部地区)伸展构造与岩浆活动的综合分析,揭示出华北克拉通东部不同地区伸展构造变形与岩浆活动之间的时、空和成因关系有一定的差异。但整体上看,岩石圈伸展起着主导作用,控制着岩浆上侵和就位,在拆离断层下盘侵入形成各种规模的花岗质为主的侵入体,或于上盘喷发形成火山-沉积岩盆地。在伸展构造发育的不同阶段,可以有伸展早期、伸展期及伸展期后的岩浆活动。岩浆活动的强度及岩浆源区特点有显著的时空变化。一方面,在同一地区不同演化阶段其源区有很大的差异。表现为主体上是早期以古老下地壳源为主,随着壳/幔伸展作用演化,逐渐向混合源或独立幔源的演化。同时,不同地区岩浆源区的变化规律也显著不同。以胶辽地区为例,胶东整体上是壳幔混合源区对于岩浆演化有重要贡献;而辽东地区具有显著的源区演化特点:从剪切早期古老下地壳源区为主,并伴有幔源物质加入,剪切期古老下地壳为主,到剪切晚期和剪切期后以新生下地壳为主。本文认为岩石圈伸展的壳/幔拆离模型(Parallel Extension Tectonics),可以合理地解释华北克拉通及邻区早白垩世构造-岩浆活动性。在该模型中,遭受伸展的华北克拉通岩石圈发生壳-幔拆离作用。在岩石圈伸展作用期间,地壳层次的拆离作用与岩石圈地幔层次上的拆离作用可以是耦合的或者是解耦的,从而导致华北克拉通岩石圈减薄过程中在地壳尺度上的拆离作用与变质核杂岩的剥露有三种不同的类型:同岩浆活动型伸展(C型:Co-magmatism mode extension)、无岩浆活动型伸展(A型:Amagmatism mode extension)和多阶段混合型(M型:Multi-mode extension)。刘俊来 倪金龙 陈小宇 Craddock JP 郑媛媛 孙彦琪 季雷 2020岩石学报2020,36,8:7
8血液和脑脊液中伏立康唑、泊沙康唑和伊曲康唑浓度检测显示文摘近年来抗真菌治疗的药物浓度监测日益受到临床重视。为更好了解三唑类抗真菌药物在体内可达到的浓度,作者对德克萨斯大学真菌参考实验室于2001年1月至2013年3月测定的伏立康唑、泊沙康唑和伊曲康唑的血液和脑脊液内浓度进行评估。伏立康唑和泊沙康唑浓度的测定采用HPLC法,伊曲康唑测定采用UPLC/MS或生物测定法。Nathan PA Gennethel JP Sheryl AD 何高丽 张菁 2014中国感染与化疗杂志2014,14,4:7
9Adipose derived stem cells and nerve regeneration显示文摘Injuries to peripheral nerves are common and cause life-changing problems for patients alongside high social and health care costs for society. Current clinical treatment of peripheral nerve injuries predominantly relies on sacrificing a section of nerve from elsewhere in the body to provide a graft at the injury site. Much work has been done to develop a bioengineered nerve graft, precluding sacrifice of a functional nerve. Stem cells are prime candidates as accelerators of regeneration in these nerve grafts. This review examines the potential of adipose-derived stem cells to improve nerve repair assisted by bioengineered nerve grafts.Alessandro Faroni Richard JP Smith Adam J Reid 2014Neural Regeneration Research2014,9,14:7
10Zircon U-Pb dating of Shuiquangou alkaline complex intrusives, northwestern Hebei Province显示文摘SUPER large gold deposits related to alkaline intrusions have been found in America,Canada,Australia,Papua New Guinea and elsewhere.Dongping gold deposit with superlarge potentialhas also been found in Shuiquangou alkaline complex intrusions,northwestern Hebei Province,China.One of the keys to resolving the possible genetic relationship between gold deposits andore-host alkaline intrusions is to determine their formation ages.This note dates the Shuiquan-gou intrusions with zircon U-Pb method.Mo, CH Liang, HY Wang, XZ Cheng, JP Li, HM 1997Chinese Science Bulletin1997,42,9:6
11妊娠期高血压免疫因子、肿瘤坏死因子α、血管紧张素Ⅱ1型受体自身抗体对妊娠可溶性fms样酪氨酸1和可溶性Endoglin产物的影响显示文摘最近研究发现先兆子痫中血管新生因子、可溶性fms样酪氨酸激酶(sFlt-1)和可溶性Endoglin(sEn-doglin)不平衡;然而尚不清楚它们过度分泌的启动机制。方法:长期给予怀孕大鼠肿瘤坏死因子α(tumor necrosis factor-α,TNF-α)或抗血管紧张素Ⅱ受体的自身抗体(AT1-AA),测定其循环和胎盘的sFlt-1和(或)sEndoglin以确定这些因素的免疫调节作用。Parrish MR Murphy SR Rutland S Wallace K Wenzel K Wallukat G Keiser S Ray LF Dechend R Martin JN Granger JP La Marca B 黄晓斌 2010中华高血压杂志2010,18,12:5
12半乳甘露聚糖试验诊断侵袭性曲霉病的评价——一项荟萃分析显示文摘侵袭性曲霉病(invasive aspergillosis,IA)多见于免疫缺陷患者,据报道在异体造血干细胞移植受者中IA发生率为8%~15%,在实体器官移植受者中为5%~15%,且病死率可高达30%~70%。然而IA的早期诊断仍是临床上的难题,因为确诊标准需要组织活检镜检或培养阳性,但真菌培养阳性率低且费时,而组织活检可行性差。目前已研究了很多非培养检测方法,包括检测真菌特异抗原、真菌代谢产物或真菌DNA,如抗原β-葡聚糖(存在于大部分真菌,除外隐球菌和接合菌)、半乳甘露聚糖(galactomannan,GM);GM大部分存在于曲霉,是曲霉生长过程中释放的细胞壁多糖成分,还存在于青霉)等具有很好的发展前景。Pferffer CD Fine JP Safdar N 唐晓丹 2007中国感染与化疗杂志2007,7,1:5
13药品参考定价及其他药品定价政策作用显示文摘1990年到2000年间中低收入国家药品费用支出增长了63%~97%,1991年到2001年间一些欧洲经济合作组织国家(OECD)中药品支出费用增长超过70%,2001年欧洲经济合作组织国家中药品支出占全部卫生支出的10%以上,因此几乎所有国家和医疗保险机构都十分重视如何在保证不增加副作用的情况下控制药品支出的增长。高军 杨洪伟 胡善联 郭岩 Aaserud M Dahlgren AT Ksters JP 2008中国循证医学杂志2008,8,12:4
14CO2排放及钢铁工业对温室效应所作的有效响应显示文摘近三十年来,钢铁工业减少了三分之一引起温室效应气体的排放,虽然对此仍有争论,但全球气温日益变暖的趋势迫使人们对此进一步探索。增加钢铁回收,如使用废钢,是钢铁工业降低CO2排放最有效的措施,本文阐述了一些积极的研究和开发途径。Birat,JP 陈宏 2000世界钢铁2000,,2:4
15Inhibition of epidermal growth factor receptor signaling protects human malignant glioma cells from hypoxia - induced cell death显示文摘Epidermal growth factor receptor(EGFR)signaling has become an importanttarget for drug development becauseEGFR signaling enhances tumor cell proliferation,migration,and invasion and inhibits apoptosis.However,theresults of clinical trials using EGFR inhibitors in patients with solid tumors have been disappointing.Here,wereport a protective effect of the EGFR inhibitors AG1478 and PD153035 against cell death induced by acute hy-poxia,which contrasts with their proapoptotic effects under normoxia.Under hypoxic conditions,both agents re-Steinbach JP Klumpp A Wolburg H Weller M 2004中国神经肿瘤杂志2004,2,1:4
16英国猪遗传育种的成功之路显示文摘1遗传学先驱 遗传学是一门科学,育种是一种艺术,而在英国它们却相辅相成,这在全球生猪领域几乎是独一无二的。Gamier JP Walters Rex 冉茂良(译) 2016中国猪业2016,11,4:4
17维生素D对内皮功能的影响:一项随机、双盲、安慰剂对照试验显示文摘在非高血压人群中,低水平的25羟基维生素D[25-hydroxyvitamin D,25(OH)D]已证实与高血压风险增加有关,且维生素D缺乏与内皮功能障碍相关。然而,非高血压人群补充维生素D对内皮细胞功能的影响尚未得到验证。方法:Borgi L McMullan C Wohlhueter A Curhan GC Fisher ND Forman JP 陈云 叶鹏 2017中华高血压杂志2017,25,10:4
18微藻可作为ω-3脂肪酸的新来源显示文摘微藻可作为ω-3脂肪酸的新来源JPFidalgo等著卢庆萍摘译王加启郭年藩校1微藻的营养价值微藻(microalgae)是多数水生动物的主要食物,含有水生动物所必需的长链多不饱和脂肪酸(PUFA)。微藻的营养价值取决于其脂肪和脂肪酸的组成,尤其是一些...JP Fidalgo 卢庆萍 王加启 郭年藩 1997国外畜牧科技1997,24,2:4
19两种化疗方案治疗生育期乳腺癌患者诱发卵巢功能早衰的对比研究显示文摘患有乳腺癌的生育期妇女在化疗过程中可能会引发卵巢功能早衰(POF),不同化疗方案的风险有所不同,本研究对比CAF方案(替加氟+吡柔比星+异环磷酰胺)和DTC方案(多西紫杉醇+吡柔比星+异环磷酰胺)在治疗生育期乳腺癌患者过程中引发卵巢早衰的风险。Long JP 2016现代泌尿生殖肿瘤杂志2016,8,3:4
20High-level expression of human calmodulin in E.coli and its effects on cell proliferation显示文摘INTRODUCTIONCalmodulin(CaM),widely distributed in almost alleukaryotic cells,is a major intracellular calcium receptorresponsible for mediating the Ca2+ signal to a multitude ofdifferent enzyme systems and is thought to play a vital rolein the regulation of cell proliferative cycle.Recently,Li XJ Wu JG Si JL Guo DW Xu JP 2000World Journal of Gastroenterology2000,6,4:3
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