Results 31 to 40 of about 4,041 (164)
Study on the tumor suppress mechanisms of ARID1A in hepatocellular carcinoma [PDF]
, 2015 肝细胞癌（Hepatocellularcarcinoma，HCC）（简称肝癌）是世界上，特别是中国，发病率最高的恶性肿瘤之一。据世界卫生组织估计，肝癌是世界上癌症相关死亡的第二大原因。应对肝癌，传统有效治疗手段就是肝癌切除或者肝移植。近些年射频消融和新兴化疗药物也被用来治疗肝癌。尽管对肝癌的诊断与治疗策略有长足的改进，但是肝癌晚期的病人还是容易发展转移，而且由于肝癌切除术后高频复发，病人的预后生存期才不足数月。鉴于现有的诊疗手段不足以彻底根治肝癌 ...
何飞
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Ultrasound in Obstetrics &Gynecology, Volume 65, Issue 2, Page 226-234, February 2025.ABSTRACT Objectives Ultrasound is the first‐line imaging modality of the pelvis in the pediatric and adolescent gynecology (PAG) population. Ultrasound findings in pre‐ and postpubertal PAG patients differ from those in adults. Diagnostic models for adnexal pathology have not been validated in this cohort.
N. Cooper +15 more
wiley +1 more source
ARHI interacts with TR3 and activates apoptosis and autophagy via mitochondrial signaling pathway in human gastric cancer cells [PDF]
, 2015 ARHI是一个母源性抑癌印记基因，属ras/rap超家族成员，在人类多种正常组织中高表达，而在人卵巢癌、乳腺癌、胰腺癌、肝癌等多种肿瘤中表达明显下调或缺失。ARHI可以调节细胞周期控制细胞增殖，并通过多种途径参与细胞的凋亡和自噬。核孤儿受体TR3属于类固醇/甲状腺受体超家族，几乎参与人体所有组织和器官的功能调节。TR3作为转录因子调控基因表达，参与细胞增殖和凋亡调控过程，还可以作为功能蛋白，通过蛋白亚细胞定位、蛋白相互作用和蛋白修饰等途径发挥作用。本课题研究两个蛋白是否结合及其结合模式 ...
徐伟
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Ultrasound in Obstetrics &Gynecology, Volume 64, Issue 6, Page 808-817, December 2024.ABSTRACT Objectives The primary aim was to validate the International Ovarian Tumor Analysis (IOTA) benign simple descriptors (BDs) followed by the Assessment of Different NEoplasias in the adneXa (ADNEX) model, if BDs cannot be applied, in a two‐step strategy to classify adnexal masses identified during pregnancy. The secondary aim was to describe the
J. Barcroft +8 more
wiley +1 more source
Hira基因产物在银鲫和彩鲫卵子发生过程中的动态变化 [PDF]
, 2010 为进一步研究Hira基因在卵子发生和雌核发育过程中的作用,通过原位杂交和免疫荧光定位的方法检测了Hira mRNA和蛋白质在雌核发育银鲫和两性生殖彩鲫卵子发生过程中的动态变化。结果表明,银鲫和彩鲫卵子发生过程中Hira基因转录产物的变化基本一致,在Ⅰ期卵母细胞的细胞核中大量表达,至Ⅱ期卵母细胞时转至细胞质中均匀分布,在Ⅲ期卵母细胞中,杂交信号逐渐移向细胞的周边,到Ⅳ期时随着卵黄物质大量积累,杂交信号几乎不见。HIRA蛋白在银鲫和彩鲫卵子发生过程中的变化略有差别。HIRA蛋白在银鲫Ⅰ期卵母细胞中没有表达,
桂建芳 +3 more
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Ovarian ectopic pregnancy: clinical characteristics, ultrasound diagnosis and management
Ultrasound in Obstetrics &Gynecology, Volume 63, Issue 6, Page 815-823, June 2024.ABSTRACT Objective To compare the clinical, ultrasound and biochemical characteristics of ovarian ectopic pregnancy (OEP) with those of tubal ectopic pregnancy (TEP). Methods This was a retrospective case–control study of women with OEP and those with TEP seen at a single center between December 2010 and February 2021.
S. A. Solangon, J. Naftalin, D. Jurkovic
wiley +1 more source
Toxicity of BaP exposure during embryonic stage in zebrafish: the mechanisms involved [PDF]
, 2016 多环芳烃（PolycyclicAromaticHydrocarbon，PAH）是环境中一类分布广泛的持久性有机污染物。苯并（a）芘（Benzo(a)pyrene，BaP）作为代表性的PAH具有包括神经毒性和生殖毒性在内的多种毒性。截至目前，关于BaP神经毒性的研究大多集中于高浓度或短期的暴露实验，而环境水平浓度下、长期的BaP暴露是否能引起同样的神经毒性则研究得较少；此外，胚胎时期低浓度BaP暴露对成年阶段的神经毒性、生殖毒性效应及其机制研究更为少见。因此本研究以斑马鱼为模式动物，分别进行环境水平浓度 ...
高东旭
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Research on the effect of DHA on glucose metabolism in human lung cancer cells and its anti-tumor mechanism [PDF]
, 2015 研究背景及目的： 肺癌是人类最常见的恶性肿瘤之一，尽管近年来治疗取得了很大进展，治疗效果仍然较差。癌细胞具有偏向通过糖酵解方式来进行糖代谢获得能量的代谢特征使得肿瘤细胞能够比正常细胞具有更强的葡萄糖代谢能力，为肿瘤细胞的快速增殖与生长提供了能量来源，也使其具备更强的凋亡抵抗能力。天然产物凭借其来源广泛、类型多样、不良反应小，具有开发为化疗药物增效减毒辅助药物的潜力等特点备受关注。双氢青蒿素是青蒿叶中分离的有效抗疟成分，体内代谢活性产物为双氢青蒿素。药物学研究证实青蒿素类药物具有抗疟、抗血吸虫 ...
米彦军
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Studies on the role of PGE2 in the reproduction of Small Abalone，Haliotis diversicolor [PDF]
, 2016 杂色鲍（Haliotisdiversicolor），又称九孔鲍，是我国福建南部和广东等沿海地区鲍养殖的重要品种，商业价值较高，杂色鲍繁殖调控对于其人工育苗和育种都有重要意义，但目前有关鲍的繁殖分子机制研究却十分有限，尤其是对鲍的产卵和排精机制了解更少。本文通过组织学、分子生物学和生物化学方法对杂色鲍的前列腺素E2（PGE2）、PGE2合成相关的三种酶基因和EP4受体进行了研究，并结合生态实验讨论了PGE2在杂色鲍繁殖中的作用。主要结果如下： 1.PGE2在杂色鲍繁殖中功能研究 ...
李玲玲
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Expression and Clinical Relevance of uPA and ET-1 in Non-small Cell Lung Cancer [PDF]
, 2011 Background and objective uPA and ET-1 proteins have been reported to be up-regulated in some of human cancers. The aim of this study is to investigate the alteration and clinical relevance of uPA and ET-1 protein levels in non-small cell lung cancer ...
Boshi WANG +7 more
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