Results 61 to 70 of about 2,809 (120)

The Study of Zidovudine Stearate Liposome [PDF]

open access: yes, 2010
艾滋病(AIDS)是由人免疫缺陷病毒(HIV)感染导致人体免疫机能缺陷而易于发生机会性感染和肿瘤的临床综合症,AIDS被称为“全球性的瘟疫和世界性的灾害”。目前用于HIV感染治疗的抗病毒药物主要包括包括核苷类逆转录酶抑制剂(NRTIs)、非核苷类逆转录酶抑制剂(NNRTIs)、蛋白酶抑制剂(PIs)和融合抑制剂。核苷类逆转录酶抑制剂(NRTIs)是最早应用于临床的抗HIV药物,是临床一线用药。1989年LarderBA等首先报道了齐多夫定(AZT)耐药性的研究结果 ...
李静
core  

Effect of intravenous injecting plasmid encoding interleukin-19-IgG on experimental autoimmune myocarditis in rats [PDF]

open access: yes, 2015
目的:评估静脉注射白细胞介素19(InTErlEukIn-19,Il-19)重组质粒对大鼠实验性自身免疫性心肌炎(EXPErIMEnTAl AuTOIMMunE MyOCArdITIS,EAM)的治疗作用。方法:将猪心室肌球蛋白与等体积完全弗氏免疫佐剂充分混匀后,双足皮下注射制作大鼠EAM模型,免疫后第6天应用静脉注射方法将Il-19重组质粒导入体内,第17天行心脏超声检查后处死大鼠,检测心脏重量与体重比值、病理学评估、心肌炎面积率;实时荧光定量PCr检测心衰标记物心房钠尿肽(ATrIAl ...
常贺   +5 more
core  

Expression and clinical significance of miR-770-5p and miR-145-5p in patients with diabetic nephropathy [PDF]

open access: yes
Objective To explore the expressions and clinical significance of MicroRNA-770-5p (miR-770-5p) and MicroRNA-145-5p (miR-145-5p) in patients with diabetic kidney disease (DKD).
Bing-fei Zhang, Xue Sun
core   +1 more source

巨噬细胞及其外泌体在心脏疾病中的研究进展

open access: yesZhongshan Daxue xuebao. Yixue kexue ban
巨噬细胞作为心脏固有免疫系统的关键细胞,具有高度异质性和可塑性,在心脏生理和病理进程中发挥双重作用。近年,巨噬细胞源性外泌体作为细胞间通讯的重要介质,在心脏疾病中的调控机制及潜在治疗应用备受关注。本文系统总结心脏常驻巨噬细胞的起源、分布和功能,探讨M1和M2型巨噬细胞在心脏炎症反应和组织修复中的作用,以及巨噬细胞外泌体在心脏疾病中的调控机制和治疗应用前景。在心脏损伤急性阶段,M1型巨噬细胞通过分泌促炎细胞因子等引发炎症,清除细胞碎片,但过度激活会导致心肌细胞损伤和纤维化;恢复阶段,M2型巨噬细胞主导 ...
谭云科, 杨正飞
doaj  

Clinical management of heart failure with improved ejection fraction: treatment and maintenance [PDF]

open access: yes
In patients with heart failure with reduced ejection fraction (HFrEF), some individuals demonstrate significant improvement in left ventricular ejection fraction (LVEF) during subsequent evaluations after treatment.
JIANG Meng, SHEN Yiming, XU Tianyun
core   +1 more source

IL-19及其相关因子在大鼠自身免疫性心肌炎各时程的表达特征 [PDF]

open access: yes, 2012
目的探讨IL-19及其相关因子在大鼠实验性自身免疫性心肌炎(EAM)急慢性期各时程的表达特征。方法建立大鼠EAM模型;病理学评估EAM急慢性期(normal、3w、3m、6m)心肌损伤程度;应用实时荧光定量RT-PCR检测IL-19及其两条受体链IL-20R1/IL-20R2,IL-20在EAM大鼠各脏器(心、肝、脾、肾)以及在心肌组织各时程(normal、3w、3m、6m)的mRNA表达;进一步应用ELISA法检测IL-19和IL-20在EAM各时程心脏组织匀浆中的蛋白表达 ...
吴梁安   +4 more
core  

Evaluation of the location of mitral valvular prolapse by transthoracic echocardiography and transesophageal echocardiography [PDF]

open access: yes, 2011
目的应用经胸超声心动图(transthoracicechocardiography,TTE)及经食管超声心动图(transeophagealechocardiography,TEE)技术定位二尖瓣脱垂的小叶分区,并与术中结果作比较,从而评价两种检查方法的诊断价值。方法二尖瓣脱垂并伴有中度以上的二尖瓣反流患者33例。所有研究对象首先经胸超声心动图技术确诊二尖瓣脱垂,初步确定二尖瓣脱垂的亚区,然后应用经食管超声心动图技术进一步确定二尖瓣脱垂的亚区,分别与术中结果进行对照 ...
黄小川
core  

Research on Cardiac MRI Segmentation Based on Asymmetric Encoding and Decoding Structure of Contrastive Learning [PDF]

open access: yes
The success of a fully supervised method in cardiac Magnetic Resonance Imaging (MRI) segmentation tasks relies on large-scale labeled datasets. However, owing to problems associated with patient privacy and difficulty in manual labeling, the small scale ...
Shuang GAO, Yilun SHI, Qiaozhi XU, Lei YU
core   +1 more source

Unlocking the Molecular Cues for Cardiomyocyte Proliferation [PDF]

open access: yes
Human induced pluripotent stem cells (hiPSCs) have demonstrated potential for molecular studies and the generation of human heart models, thereby reducing reliance on animal studies.
Yuan, Qianliang
core   +1 more source

多模态评估肺动脉高压大鼠模型的构建:影像学、实验室与病理学综合研究

open access: yesZhongguo shiyan zhenduanxue
目的本研究旨在通过野百合碱(MCT)诱导建立肺动脉高压(PH)大鼠模型,系统性评估PH的肺血管病理重构、右心室重塑及功能障碍,综合分析血流动力学、组织病理学及超微结构变化,为PH的病理机制研究及药物干预提供可靠实验模型。方法20只SD大鼠随机分为对照组(生理盐水)和模型组(60 mg/kg MCT)。实验28天后,采用超声心动图评估心脏结构(RVWT、MPA、RV等)和功能(TAPSE、三尖瓣反流);通过右心导管测定右心室收缩压;行血气分析、血液学检测及ET-1、NT-proBNP测定 ...
杜红枝   +9 more
doaj  

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