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22篇 您的检索式:作者名="Ellen He"
    题名 作者 年代 出处 被引量
1一种新肿瘤生长相关生物标志物胸苷激酶1临床应用进展显示文摘胸苷激酶1(TK1)是一种嘧啶补救途径的激酶,能催化脱氧胸苷磷酸化为一腺胸苷酸,与细胞周期调控和细胞增殖密切相关。多项实验证明,TK1可用于健康体检、肿瘤早期筛查、常规检测、疗效监视和预后等方面,是一种灵敏有效地评估人体肿瘤增长的标志物。本综述概述了近年关于TK1临床应用的新进展。刘秀菊 周际 李远 刘森波 方聪 宇莉君 Ellen HE Sven SKOG 2011中国药理学与毒理学杂志2011,25,1:16
2血清胸苷激酶1检测对恶性肿瘤诊断及疗效评估的意义显示文摘目的探讨血清胸苷激酶1(TK1)作为肿瘤细胞增殖标志物对恶性肿瘤诊断及疗效评估的意义。方法应用免疫印迹-增强化学发光法检测恶性肿瘤组(53例)治疗前后、体格检查组(49例)以及健康对照组(18名)的血清TK1水平。治疗前与治疗后比较用配对t检验,治疗前和后分别与健康对照组、体格检查组比较采用两独立样本均数比较t检验。结果恶性肿瘤组治疗前STK1为0.3—11.3(2.4±2.0)pmol/L;恶性肿瘤组治疗后STK1为0.3~5.0(0.9±0.8)pmol/L;体格检查组STK1为0.1~2.1(0.8±0.3)pmol/L;健康对照组STK1为0.5~1.2(0.7±0.2)pmol/L。恶性肿瘤组治疗前与治疗后之间STK1水平差异有统计学意义(t=5.257,P〈0.0001)。恶性肿瘤组治疗前与健康对照组和体格检查组STK1水平比较,差异均有统计学意义(t=3.568和5.460,P=0.001和〈0.0001),而恶性肿瘤组治疗后与健康对照组和体格检查组STK1水平比较,差异均无统计学意义(t=1.056和0.715,P均〉0.05)。结论血清TK1检测细胞增殖有较高的特异性和灵敏度,对临床监测恶性肿瘤疗效和在体格检查中进行恶性肿瘤风险筛查具有重要意义。李清茹 桑士标 袁航 苏成海 吴翼伟 张旻 周际 Ellen He Sven Skog 赵久涛 2009中华核医学杂志2009,29,4:16
3卵巢浆液性腺癌组织中TK1和Ki-67表达的意义显示文摘目的探讨细胞质胸苷激酶1(cytoplasmic thymidinekinas-1,TK1)、Ki-67在卵巢浆液性腺癌中表达的意义。方法回顾性研究55例经手术治疗的卵巢浆液性腺癌患者的临床病理资料,并运用免疫组化技术观察TK1、Ki-67在卵巢浆液性腺癌中的表达情况及与临床病理参数之间的意义。结果 TK1阳性表达定位于细胞质,阳性率为72.7%。TK1的表达与肿瘤的最大径、复发、pTNM分期、病理分级密切相关(P<0.05)。Ki-67阳性表达定位于细胞核,阳性率为80.0%,Ki-67的表达与肿瘤的复发、pTNM分期、病理分级有关(P<0.05)。Kappa检验显示TK1的表达与卵巢浆液性腺癌复发较一致(k=0.559,P=0.000),且判断复发比Ki-67更为优越。Kaplan-Meier检验显示pTNM分期、肿瘤复发、MDACC分级、Ki-67、TK1表达分别与预后有关(P<0.05)。COX回归多因素分析显示:肿瘤复发是影响卵巢浆液性腺癌患者的独立性预后因素。结论卵巢浆液性腺癌的复发影响患者的预后,TK1对判断卵巢浆液性腺癌是否有复发倾向具有参考价值,且优于Ki-67,初次手术后肿瘤组织免疫组化TK1高表达预示患者存在高复发的风险,提示临床要加强术后的治疗方案,并提高随访频数。刘冲 郭庆 石群立 余波 马恒辉 Staffan Eriksson Ellen He Sven Skog 2011临床与实验病理学杂志2011,27,12:12
4血清胸苷激酶1对癌前疾病的癌变风险筛查的意义显示文摘目的研究血清胸苷激酶1(STK1)对癌前疾病癌变风险筛查的意义。方法吉林油田总医院对8869例不同工种人群进行常规健康体检,包括平行检测STK1。该项目检测方法是采用高灵敏度点印迹免疫增强发光检测系统来检测STK1的浓度。依据STK1检测结果将人群分类讨论。结果正常绀8355例,STK1≤2pmol/L,平均值(0.6±0.5)pmol/L;其中仅124例每项体检项目都正常占1.4%。风险组514例,STK1〉2pmol/L,平均值(3.8±2.2)pmol/L,风险率为5.8%。癌前相关疾病可能恶变风险人数为85.2%(包括胆/肾息肉样病变增生,疑肝或肺恶瘤病灶,贫血疾病,肥胖,胆/肝/肺良性肿瘤,脂肪肝和乙肝阳性并伴有肝功能异常)。发现STK1风险率升降与职业有一定相关性,第一类是长期、直接进行油田操作(钻井,运输,地质),总人数4333例,风险率7.8%;第二类是钻井前技术准备和服务(钻服,物探,钻技和测井),总人数4536例,风险率为3.9%,两类比较,第一类人群风险率有明显的升高(x^2=55.53,P〈0.05),特别是息肉样病变增生和疑恶瘤病灶者主要发现在第一类,可能与直接、长期接触油田污染物有关。结论胸苷激酶1是很有前景的血清标志物之一,它真实地反映了细胞异常增殖状况,使早期评估癌前疾病的癌变风险成为可能。张兴华 杨金荣 付筱英 秦蕾 刘海燕 汪海霞 云霞 宋波 张旻 Ellen He Sven Skog 2010中华健康管理学杂志2010,4,1:10
5A new prognostic histopathologic classification of nasopharyngeal carcinoma显示文摘Background:The current World Health Organization(WHO) classification of nasopharyngeal carcinoma(NPC) con?veys little prognostic information.This study aimed to propose an NPC histopathologic classification that can poten?tially be used to predict prognosis and treatment response.Methods:We initially developed a histopathologic classification based on the morphologic traits and cell differentia?tion of tumors of 2716 NPC patients who were identified at Sun Yat?sen University Cancer Center(SYSUCC)(training cohort).Then,the proposed classification was applied to 1702 patients(retrospective validation cohort) from hospitals outside SYSUCC and 1613 patients(prospective validation cohort) from SYSUCC.The efficacy of radiochemotherapy and radiotherapy modalities was compared between the proposed subtypes.We used Cox proportional hazards models to estimate hazard ratios(HRs) with 95% confidence intervals(CI) for overall survival(OS).Results:The 5?year OS rates for all NPC patients who were diagnosed with epithelial carcinoma(EC;3708 patients),mixed sarcomatoid?epithelial carcinoma(MSEC;1247 patients),sarcomatoid carcinoma(SC;823 patients),and squamous cell carcinoma(SCC;253 patients) were 79.4%,70.5%,59.6%,and 42.6%,respectively(P < 0.001).In mul?tivariate models,patients with MSEC had a shorter OS than patients with EC(HR = 1.44,95% CI = 1.27–1.62),SC(HR = 2.00,95% CI = 1.76–2.28),or SCC(HR = 4.23,95% CI = 3.34–5.38).Radiochemotherapy significantly improved survival compared with radiotherapy alone for patients with EC(HR 49–0.75),and possibly for those with SCC(HR = 0.67,95% CI = 0.56–0.80),MSEC(HR = 0.58,95% CI = 0..74–1.28).= 0.63;95% CI = 0.40–0.98),but not for patients with SC(HR = 0.97,95% CI = 0Conclusions:The proposed classification offers more information for the prediction of NPC prognosis compared with the WHO classification and might be a valuable tool to guide treatment decisions for subtypes that are associ?ated with a poor prognosis.Hai-Yun Wang Yih-Leong Chang Ka-Fai To Jacqueline S.G.Hwang Hai-Qiang Mai Yan-Fen Feng Ellen T.Chang Chen-Ping Wang Michael Koon Ming Kam Shie-Lee Cheah Ming Lee Li Gao Hui-Zhong Zhang Jie-Hua He Hao Jiang Pei-Qing Ma Xiao-Dong Zhu Liang Zeng Chun-Yan Chen Gang Chen Ma-Yan Huang Sha Fu Qiong Shao An-Jia Han Hai-Gang Li Chun-Kui Shao Pei-Yu Huang Chao-Nan Qian Tai-Xiang Lu Jin-Tian Li Weimin Ye Ingemar Ernberg Ho Keung Ng Joseph T.S.Wee Yi-Xin Zeng Hans-Olov Adami Anthony T.C.Chan Jian-Yong Shao 2016Chinese Journal of Cancer2016,35,6:10
6pT1期肺腺癌TK1的表达及其预后意义显示文摘目的探讨细胞质胸苷激酶1(cytosolic thymidine kinase 1,TK1)在TNM病理分期T1期(pT1)肺腺癌中的表达及预后意义。方法选择具有完整临床病理及随访资料结果的pT1期肺腺癌80例,应用免疫组织化学方法(EnVision法)检测TK1的表达情况,研究TK1表达与临床病理特征的关系,并分析该指标本身及与间质浸润分级相结合对肿瘤预后的评估作用。结果 TK1表达:12例(15%)表达"-",27例(33.8%)表达"+",31例(38.8%)表达"",10例(12.5%)表达""。5年存活者:TK1"-"(87.5%)与"+"(82.1%)相似,""(35%)与""(51.3%)相似,其余各表达强度病例间均有差异。据此将本组病例分为预后好的TK1"-/+"表达组(41例)以及预后差的TK1"/"表达组(39例)。TK1"/"表达组的淋巴管/血管侵犯率(P=0.019)、淋巴结转移率(P=0.002)、间质浸润分级(P〈0.001)及临床病理分期(P〈0.001)均高于TK1"-/+"表达组,性别、年龄、肿瘤直径及吸烟史两组间的差异无统计学意义。本组病例的间质浸润分级:0级:7例(9%),1级:10例(12%),2级:12例(15%),3级:51例(64%),间质浸润分级0级、1级及2级病例的预后相似并好于3级病例,而3级病例中TK1表达"-/+"者的5年生存率高于TK1表达"/"者(P=0.006),且与0~2级病例相似。结论 pT1期肺腺癌中TK1表达与肿瘤侵袭性及预后密切相关,并可与间质浸润分级相结合对肿瘤预后进行更加准确的评估。徐艳 石群立 马恒辉 周航波 余波 陆珍凤 Ellen He Sven Skog 2011临床与实验病理学杂志2011,27,4:7
7细胞质胸苷激酶在乳腺癌组织中的表达意义显示文摘胸苷激酶(thymidine kinase,TK)是参与DNA前体物质合成的关键酶之一,是一种与细胞增殖密切相关并在细胞质中表达的激酶。白20世纪60年代TK被发现以来,已知人细胞中TK以2种同工酶的形式出现,即细胞质胸苷激酶(TK1)和线粒体胸苷激酶(TK2)。TK1与细胞的生长、分裂密切相关,安晓静 刘冲 石群立 徐艳 张正祥 周航波 马恒辉 Ellen He Sven Skog 2009诊断学理论与实践2009,8,5:6
8血清胸苷激酶1检测对肺癌患者诊断与预后评估的意义显示文摘目的探讨血清胸苷激酶1(TK1)检测对肺癌患者诊断与预后评估的意义。方法应用免疫印迹-增强化学发光法检测63例肺癌患者(A组)和14例健康体检者(B组)血清TK1水平。24例术后获随访6-18个月。其中,无肿瘤复发15例(无复发组),肿瘤复发9例(复发组);随访期同时检测了其他相关肿瘤标记物。结果 A组血清TK1水平明显高于B组[(2.37±3.74)pmol/Lvs.(0.32±0.42)pmol/L](P<0.01)。A组手术治疗后血清TK1水平显著降低(P<0.05)。复发组血清TK1均较术前升高;无复发组中1例血清TK1升高,其余14例均较术前降低。TK1与其他肿瘤标志物联合检测提高了预后评估的准确性。结论血清TK1水平升高对肺癌有辅助诊断价值,连续跟踪监测有利于肺癌治疗效果和预后的判断。周源 汪栋 杨爱珍 Ellen He Sven Skog 张旻 2012江苏医药2012,38,3:4
9脑胶质瘤组织中胸腺嘧啶核苷激酶1的表达和意义及其与细胞增殖抗原Ki67表达的关系显示文摘目的研究脑胶质瘤组织中胸腺嘧啶核苷激酶1(TK1)的表达和意义,以及其与细胞增殖抗原Ki67表达的关系。方法 202例脑胶质瘤患者,经病理检查进行脑胶质瘤病理分级及组织类型分型。采用免疫组化染色法检测脑胶质瘤组织中TK1和Ki67的表达。比较不同级别及类型患者脑胶质瘤组织中TK1表达的阳性率;分析TK1与Ki67表达的关系。结果本组患者脑胶质瘤按WHO分级:Ⅰ级12例,Ⅱ级85例,Ⅲ级60例,Ⅳ级45例;组织类型分型:少突胶质细胞瘤28例,星形胶质细胞瘤174例。本组患者TK1阳性119例(58.9%);其中良性组(WHOⅠ级)患者无TK1阳性,低度恶性组(WHOⅡ级)阳性31例(36.5%),高度恶性组(WHOⅢ、Ⅳ级)阳性88例(83.8%);三组间TK1阳性率比较差异均有统计学意义(P<0.05~0.001)。星形胶质细胞瘤及复发患者的TK1阳性率分别显著高于少突胶质细胞瘤和初发的患者(均P<0.05)。TK1与Ki67的表达水平呈正相关(r=0.711,P<0.01)。结论恶性程度高、星形胶质细胞瘤及复发的脑胶质瘤患者瘤组织中TK1的表达增高;提示TK1表达可作为脑胶质瘤病理分级、分型及复发的重要参考指标。TK1与Ki67正相关,提示TK1亦可反映脑胶质瘤细胞的增殖情况。朱海青 宋坤 王娟 张巧全 周金宝 石群立 Staffan Eriksson Ellen He Sven Skog 2012临床神经病学杂志2012,25,5:3
10High-performance all-polymer solar cells enabled by a novel low bandgap non-fully conjugated polymer acceptor显示文摘The non-fully conjugated polymer as a new class of acceptor materials has shown some advantages over its small molecular counterpart when used in photoactive layers for all-polymer solar cells(all-PSCs),despite a low power conversion efficiency(PCE)caused by its narrow absorption spectra.Herein,a novel non-fully conjugated polymer acceptor PFY-2TS with a low bandgap of~1.40 eV was developed,via polymerizing a largeπ-fused small molecule acceptor(SMA)building block(namely YBO)with a non-conjugated thioalkyl linkage.Compared with its precursor YBO,PFY-2TS retains a similar low bandgap but a higher LUMO level.Moreover,compared with the structural analog of YBO-based fully conjugated polymer acceptor PFY-DTC,PFY-2TS shows a similar absorption spectrum and electron mobility,but significantly different molecular crystallinity and aggregation properties,which results in optimal blend morphology with a polymer donor PBDB-T and physical processes of the device in all-PSCs.As a result,PFY-2TS-based all-PSCs achieved a PCE of 12.31%with a small energy loss of 0.56 eV enabled by the reduced non-radiative energy loss(0.24 eV),which is better than that of 11.08%for the PFY-DTC-based ones.Our work clearly demonstrated that non-fully conjugated polymers as a new class of acceptor materials are very promising for the development of high-performance all-PSCs.Qunping Fan Ruijie Ma Tao Liu Jianwei Yu Yiqun Xiao Wenyan Su Guilong Cai Yuxiang Li Wenhong Peng Tao Guo Zhenghui Luo Huiliang Sun Lintao Hou Weiguo Zhu Xinhui Lu Feng Gao Ellen Moons Donghong Yu He Yan Ergang Wang 2021Science China Chemistry2021,64,8:3
11食管癌患者血清胸苷激酶1检测的外科临床意义显示文摘目的探讨血清胸苷激酶1(thymidine kinase 1,TK1)检测对食管癌辅助诊断及术后效果评估的意义。方法应用免疫印迹—增强化学发光法(ECL)检测348例食管癌手术患者术前、术后1周以及手术1~3个月的血清TK1水平,另外加入41例健康体检者作为对照组,检测其血清TK1水平,并对部分术后患者随访12个月。结果食管癌患者血清TK1水平明显高于健康对照组(P<0.05);癌患者手术后1周,血清TK1水平明显上升(P<0.05),而在术后1~3个月回落,并明显低于术前水平(P<0.05);完成对45例患者12个月随访,发现术后1~3个月TK1水平上升患者复发比例远远大于下降组(P<0.001)。结论血清TK1水平反映细胞增殖,连续跟踪结果有利于对食管癌手术治疗效果的辅助诊断,对临床监视肿瘤手术疗效,判断复发风险具有临床意义。赵国红 柳硕岩 杨永 Ellen He Sven Skog 2011中国医药指南2011,9,33:3
12血清TK1检测对常见恶性肿瘤诊断的临床意义显示文摘徐笑红 张毅敏 束新华 单绿虎 汪子伟 周永列 温怀凯 何凡 Sven Skon Ellen he 2008浙江检验医学2008,0,3:2
13pT_1期肺腺癌组织TK1与PCNA和Ki-67表达临床意义对比分析显示文摘目的:对比研究增殖指标胸苷激酶1(cytosolic thymidine kinas 1,TK1)和增殖细胞核抗原(proliferation cell nuclear antigen,PCNA)与Ki-67在病理分期T1(pT1)期肺腺癌组织中表达及其临床意义。方法:选取南京军区南京总医院1997-02-01-2007-12-31手术治疗并具有完整病理资料和随访结果的pT1期肺腺癌患者80例,应用免疫组织化学EnVision法检测80例肺腺癌以及20例正常肺组织中TK1、Ki-67及PCNA的表达,对比分析3项标志表达与肺腺癌临床病理特征和预后的相关性。结果:pT1期肺腺癌与正常肺组织中TK1表达率-为15.0%和95.0%,+为33.8%和5.0%,++为38.8%和0,+++为12.5%和0,差异有统计学意义,P<0.001;Ki-67表达率-为46.3%和85.0%,+为40.0%和15.0%,++为8.7%和0,+++为5.0%和0,差异有统计学意义,P=0.002;PCNA表达率与正常肺组织差异无统计学意义,P=0.507。TK1表达与淋巴结转移(P=0.009)、临床病理分期(P=0.004)及肿瘤浸润程度(P<0.001)相关,Ki-67和PCNA表达与上述临床病理特征均无相关性。TK1不同表达组别的5年生存率除-(91.7%)与+(81.1%)组之间以及++(38.7%)与+++(50.0%)组之间差异无统计学意义外,其余各表达组别间差异均有统计学意义,而不同PCNA及Ki-67表达组别间的预后差异无统计学意义。Cox模型多因素预后分析显示,TK1表达、淋巴结转移及临床病理分期是独立预后因素。结论:pT1期肺腺癌中,TK1是一项比Ki-67及PCNA更可靠的增殖指标,可作为评估这类肺腺癌侵袭性及预后的参考指标。徐艳 黄培林 刘标 周晓军 马恒辉 陆珍凤 余波 Ellen He Sven Skog 石群立 2014中华肿瘤防治杂志2014,21,16:2
14ALDH2 is associated to alcohol dependence and is the major genetic determinant of “daily maximum drinks” in a GWAS study of an isolated rural chinese sample显示文摘Ellen E. Quillen Xiang‐Ding Chen Laura Almasy Fang Yang Hao He Xi Li Xu‐Yi Wang Tie‐Qiao Liu Wei Hao Hong‐Wen Deng Henry R. Kranzler Joel Gelernter 2014Genet2014,,2:2
15Serum thymidine kinase 1 correlates to clinical stages and clinical reactions and monitors the outcome of therapy of 1,247 cancer patients in routine clinical settings显示文摘Yan Chen Mingang Ying YanSong Chen Minhua Hu Yingying Lin Dedong Chen Xiaoli Li Ming Zhang Xia Yun Ji Zhou Ellen He Sven Skog 2010International Journal of Clinical Oncology2010,,4:1
16Reducing Use of In-dwelling Urinary Catheters and Associated Urinary Tract In-fections显示文摘Ellen HE Kathryn K Alice K 2009Am J Crit Care2009,10,18:1
17Serum thymidine kinase 1 correlates to clinical stages and clinical reactions and monitors the outcome of therapy of 1,247 cancer patients in routine clinical settings显示文摘Yan Chen Mingang Ying YanSong Chen Minhua Hu Yingying Lin Dedong Chen Xiaoli Li Ming Zhang Xia Yun Ji Zhou Ellen He Sven Skog 2010International Journal of Clinical Oncology2010,,4:1
18Defining and understanding healthy lifestyles choices for adolescents显示文摘He K Ellen K Houser RF etal 2004J Adolesc Health2004,35,1:1
19Defining and under- standing healthy lifestyles choices for adolescents 显示文摘He K Ellen K Houser Robert F 2004J Ado- lesc Health2004,35,1:1
20Serum thymidine kinase 1 correlates to clinical stages and clinical reactions and monitors the outcome of therapy of 1,247 cancer patients in routine clinical settings显示文摘Yan Chen Mingang Ying YanSong Chen Minhua Hu Yingying Lin Dedong Chen Xiaoli Li Ming Zhang Xia Yun Ji Zhou Ellen He Sven Skog 2010International Journal of Clinical Oncology2010,,4:1
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