Results 21 to 30 of about 15,306 (119)
pEgr-hp53体外稳定转染联合辐射对人肺腺癌A549细胞周期进程及增殖的影响
Zhongguo shiyan zhenduanxue, 2008 目的探讨pEgr-hp53重组质粒体外稳定转染联合辐射对人肺腺癌A549细胞周期进程及增殖的影响,阐明其抑制肿瘤细胞增殖的机制。方法脂质体包裹重组质粒pEgr-hp53体外转染A549细胞,G418筛选稳定表达细胞株并扩增培养,采用细胞计数法检测肿瘤细胞增殖速度,流式细胞术检测肿瘤细胞周期的变化。结果经pEgr-hp53体外转染A549细胞10到20d,G418筛选得到稳定表达的细胞株,联合X射线照射可明显抑制A549细胞的体外增殖,细胞周期进程明显改变,G1期和G2期发生阻滞。结论提示pEgr ...
董丽华, 刘锋, 李艳博, 龚守良
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Veterinary Dermatology, Volume 36, Issue 3, Page 291-301, June 2025.Background – Canine interdigital furunculosis (CIF) is a complex, relapsing inflammatory condition, typically complicated by deep bacterial infections requiring prolonged systemic antibiotics. Hypothesis/Objectives – This split‐body study, where dogs acted as their own control, evaluated whether the adjunctive use of fluorescent light energy (FLE ...
A. Lange +12 more
wiley +1 more source
Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 4, Page 470-477, April 2025.ABSTRACT Objective To evaluate the presence and levels of cytomegalovirus (CMV) cell‐free DNA (cfDNA) fragments in women pregnant with a fetus with symptomatic congenital CMV (cCMV). Methods The study comprised nine women whose fetuses were diagnosed with cCMV between June 2019 and July 2024 at 20 + 4 to 34 + 1 weeks' gestation (n = 8) or neonatally (n
B. H. W. Faas +9 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2003 目的 探讨光活化的金丝桃素对Wistar大鼠胶质瘤株C6的分化诱导作用。方法 应用流式细胞术 （FCM）、MTT法和 3H -TdR掺入法观察光活化的金丝桃素对C6胶质瘤细胞株的细胞周期动力学变化的影响。结果 光活化的金丝桃素对C6胶质瘤细胞株的细胞呈剂量依赖性抑制 ,细胞周期的G0 /G1期升高 ,S期、G2 2 /M期相对下降 ,表明光活化的金丝桃素可抑制C6胶质瘤细胞株增殖 ,细胞的增殖周期阻滞在G1期。结论 提示光活化的金丝桃素通过诱导C6胶质瘤细胞凋亡而治疗脑胶质瘤具有可期待前景。
刘兴吉 +5 more
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Veterinary Dermatology, Volume 35, Issue 5, Page 500-507, October 2024.Abstract Background Canine atopic dermatitis (cAD) is a hereditary, generally pruritic and predominantly T‐cell‐driven inflammatory skin disease, involving an interplay between skin barrier abnormalities, allergen sensitisation and microbial dysbiosis.
L. Widorn +2 more
wiley +1 more source
Fetal and neonatal neuroimaging in twin–twin transfusion syndrome
Ultrasound in Obstetrics &Gynecology, Volume 63, Issue 6, Page 746-757, June 2024.ABSTRACT Objectives To describe the types of brain injury and subsequent neurodevelopmental outcome in fetuses and neonates from pregnancies with twin–twin transfusion syndrome (TTTS). Additionally, to determine risk factors for brain injury and to review the use of neuroimaging modalities in these cases.
M. S. Spruijt +8 more
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2011 目的探讨凝血酶对结肠癌SW480细胞增殖及细胞周期的影响。方法将20 nmol/L、100 nmol/L、500nmol/L的凝血酶作用于SW480细胞48 h,以未处理组（0 nmol/L）作为对照。CCK-8（cell counting kit-8）法检测细胞增殖情况;流式细胞术检测细胞周期变化;RT-PCR检测蛋白酶活化受体-4（protease-activated receptor-4,PAR-4）的mRNA表达;Western blotting检测NF-κB p50蛋白表达。结果在20-500
王峰 +7 more
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同型半胱氨酸对人脐静脉内皮细胞增殖和细胞周期的影响及叶酸的拮抗作用
Linchuang shenzangbing zazhi, 2014 目的 本实验通过研究不同浓度的同型半胱氨酸(homocysteine,HCY)对人脐静脉内皮细胞(human umbilical vein endothelial cells,HUVECs)增殖和细胞周期的影响,分析可能的细胞损伤机制,探讨HCY对细胞增殖影响的相关信号通路。同时就叶酸(folic acid,FA)对HCY的拮抗作用进行论证,为临床治疗提供理论依据。方法 正常人脐静脉内皮细胞体外培养,随机分成6组:HCY低剂量组(1μmol/L),HCY中剂量组(10μmol/L),HCY高剂量组 ...
罗敏虹
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NADH对Aβ蛋白损伤PC12细胞转谷酰胺酶Ⅱ、Cyclin和G蛋白表达的调控
Zhongguo shiyan zhenduanxue, 2005 目的 探讨NADH对PC1 2细胞Aβ2 5 - 35 损伤后的修复作用。方法 采用细胞实验检测NADH对Aβ2 5 - 35 对鼠肾上腺髓质嗜铬细胞瘤PC1 2细胞系细胞毒性作用的影响,并运用流式细胞仪对细胞周期蛋白、G蛋白和转谷酰胺酶Ⅱ含量进行分析。结果 NADH能够明显抑制Aβ2 5 - 35 对PC1 2细胞的毒性作用,上调细胞损伤后周期蛋白A和B1的表达及下调周期蛋白D1表达;上调G蛋白和转谷酰胺酶Ⅱ表达。结论 NADH抑制和修复Aβ2 5 - 35 对PC1 2的损伤与细胞周期蛋白 ...
张琳, 赵丽波, 邬英全, 王超
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Zhongguo shiyan zhenduanxue, 2017 目的探讨miR-126和miR-199在乳腺癌细胞中的表达对肿瘤细胞周期的影响。方法以qRT-PCR检测分析在乳腺癌细胞中miR-126和miR-199的表达情况;以miRNA mimics转染乳腺癌细胞株MDA-MB-231,检测miR-126和miR-199在表达增高的情况下对乳腺癌细胞周期的影响。结果miR-126和miR-199在乳腺癌细胞MDA-MB-231中的表达较MCF-7细胞株明显更低;转染miRNA mimics 48h后,乳腺癌细胞株MDA-MB-231中的miR-126和miR ...
马寅芙 +5 more
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