Results 61 to 70 of about 5,677 (156)

Involvement of Abnormal MicroRNA Expression in the Mechanism of Drug Resistance with Acute Myeloid Leukemia [PDF]

open access: yes, 2016
目的:分析miRNA-98的表达异常在急性髓系白血病化疗耐药机制的作用,通过靶向过表达miRNA-98的表达水平探讨以miRNA-98为靶点增加化疗药物敏感性的可能性并分析其可能作用的机制。评价异常表达的血清miRNA-155是否可作为急性髓系白血病的预后标志。 方法:离体实验中,采用qRT-PCR方法检测K562和其耐药株K562/A02中miR-98、E2F1基因表达情况。通过瞬时转染miR-98mimic处理耐药细胞K562/A0248h后,通过qRT-PCR法检测miR-98表达情况;通过qRT-
黄英丹
core  

One Case with Hemolytic Anemia Caused by Monoclonal Antibody

open access: yesHuli yanjiu, 1995
单克隆抗体致溶血性贫血1例(510515)广州第一军医大学南方医院杨淑玲,罗明关键词单克隆抗体,溶血性贫血,肾移植OneCasewithHemolyticAnemiaCausedbyMonoclonalAntibody¥YangShuling;Luo...
doaj  

人BLyS 基因克隆、表达和抗人BLyS 单克隆抗体的制备

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2002
【目的】研制抗人BLyS 单克隆抗体, 以进一步探讨人BLyS 与自身免疫性疾病的关系。【方法】将人BLy S 基因 克隆到融合蛋白原核表达载体pGEX-4T-1 中, 构建重组质粒pGEX-4T-1/hBLyS , 用此重组质粒转化大肠杆菌BL21, 加IPTG 诱导大肠杆菌表达GST-hBLy S 融合蛋白, 用此融合蛋白免疫BALB/c 鼠, 取鼠脾细胞与骨髓瘤细胞融合, 用ELISA 法筛选阳 性克隆, 用免疫印迹和流式细胞仪进一步鉴定抗体的特异性。【结果】重组质粒双酶切结果和DNA ...
张志方
doaj  

The Clinical Signifcance of Expression of ERCC1 and PKCalpha in Non-small Cell Lung Cancer [PDF]

open access: yes, 2010
Background and objective Excision repair cross-complementing 1 (Excision-Repair Cross-Complementing 1, ERCC1), an important member of the DNA repair gene family, plays a key role in nucleotide excision repair and apoptosis of tumor cells.
Guangming LI   +6 more
core   +1 more source

应用噬菌体随机肽库筛选 2 型登革病毒 E 蛋白的抗原表位

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 2002
【目的】通过型特异性单抗与噬菌体随机 12 肽库的生物淘洗,确定 2 型登革病毒E 蛋白分子的抗原表位。【方法】以 DEN2 型特 异的 E 单克隆抗体作为筛选分子,生物淘洗噬菌体随机 12 肽库,将筛选的噬菌体阳性克隆进行 ELISA 检测、DNA 序列测定及展示肽的氨基 酸序列推导,通过展示肽序列与 DEN2 E 蛋白的氨基酸一级结构的对比,确定 E 蛋白的抗原优势表位并用相应的合成肽验证。【结果】常规生 物淘洗获得富含芳香族氨基酸并有 aHWbW 核心结构的克隆,确定为非特异的塑料结合噬菌体 ...
魏惠永, 江丽芳, 郭辉玉
doaj  

[The consensus of the diagnosis of monoclonal gammopathies of clinical significance in China (2022)]. [PDF]

open access: yesZhonghua Xue Ye Xue Za Zhi, 2022
Chinese Society of Hematology at Chinese Medical Association   +2 more
europepmc   +1 more source

Development of Novel Immunoassays for Varicella Zoster Virus (VZV) Vaccine and Preliminary Study on Functional Domain of ORF7 protein [PDF]

open access: yes, 2016
水痘-带状疱疹病毒(Varicella-ZosterVirus,VZV)是水痘和带状疱疹的病原体。VZV具有高度传染性,初次感染可引发水痘,并可潜伏于患者背根神经节,在年老或免疫力低下时可能激活导致带状疱疹,具有严重的危害性。接种疫苗是预防VZV感染的有效方式,但目前使用的VZV减毒活疫苗株v-Oka仍具有感染和潜伏人神经系统的能力,安全隐患不容忽视,因此,亟需研制更为安全有效的新型疫苗。高效、精确的免疫分析技术体系是研制新型疫苗的重要基础。VZV是一种基因组约125Kb,拥有70个ORF ...
刘剑
core  

应用电转移免疫印迹法分析登革病毒的非结构蛋白抗原

open access: yesZhongshan Daxue xuebao. Yixue kexue ban, 1988
以免疫印迹法分析登革病毒感染的鼠脑抗原和白纹伊蚊细胞抗原,用单克隆抗体及多克隆抗体作探针。结果显示:登革病毒的非结构蛋白NV5存在有群及型特异的抗原决定簇。
林波
doaj  

Detection of EGFR and COX-2 Expression by Immunohistochemical Method on a Tissue Microarray Section in Lung Cancer and Biological Significance [PDF]

open access: yes, 2010
Background and objective Epidermal growth factor receptor (EGFR) and cyclooxygenase-2 (COX-2), which can regulate growth, invasion and metastasis of tumor through relevant signaling pathway, have been detected in a variety of solid tumors.
Congzhong ZHU, Juan LIU, Xinyun WANG
core  

克隆浅释 附视频

open access: yesZhongguo shiyan zhenduanxue, 1997
克隆浅释于永利作者单位:130021长春,白求恩医科大学免疫学教研室关于克隆羊的报道在全世界引起了轩然大波,一时间“克隆”成了一个十分风行的词。本文将从医学的角度对克隆做一简要的解释。克隆(clone)一词来源于希腊文(Klon),指从一个个体经无性...
doaj  

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