搜索结果: 1-15 共查到“医学 CA”相关记录37条 . 查询时间(0.234 秒)
好消息！北京老年医院获批北京市cA类定点医疗机构资质（图）
北京老年医院 定点医疗机构 服务水平 人工智能
2023/4/10
自6月2日起，北京市基本医疗保险参保人员来医院就诊，无需选取定点医院，就可享受医保报销待遇。
褪黑素在诱发肠系膜动脉舒张过程中对BKCa通道的直接作用机制
褪黑素 血管舒张 大电导钙激活钾通道
2018/9/19
探讨褪黑素(MT)在诱导血管舒张过程中对大电导钙激活钾通道(BKCa通道)的直接作用机制。 方法 选用8周龄雄性Wistar大鼠,麻醉后取肠系膜动脉,分别采用微血管张力测定和单通道膜片钳技术检测褪黑素及其受体对血管张力和血管平滑肌细胞BKCa通道门控特性的影响。 结果 (1)褪黑素本身对血管张力没有显著影响,但是可引起去甲肾上腺素(NE)激动的肠系膜动脉呈浓度依赖性舒张,这种舒张作用可以被褪黑...
国家癌症中心一篇文章“Cancer statistics in China, 2015”近期在著名学术期刊“CA：A Cancer Journal for Clinicians”在线发表，系我国首次在该杂志发表论文，最新影响因子144.8。文章根据72个人群肿瘤登记2009-2011年的发病和死亡数据对2015年的流行情况进行的估计，以及22个登记处2000-2011年的趋势进行分析。报告显示，2...
观察全脑照射后大鼠脑组织含水量、微血管损伤及海马组织中Ca、Mg、Cu、Fe、Zn含量的动态变化,探讨这些元素在放射性脑损伤(RBI)发病机制中的作用。方法 用随机数字表法将大鼠分为空白组、防护组(400 mg/kg体重腹腔注射10%MgSO4溶液+单次全脑20 Gy电子束照射)和照射组(400 mg/kg体重腹腔注射生理盐水+单次全脑20 Gy电子束照射),每组18只,每个时间点3只。用干-湿重...
小鼠海马CA区钙结合蛋白阳性神经元在颞叶癫痫慢性期的存活
癫痫慢性期 钙结合蛋白 海马 CA区
2013/6/4
分析钙结合蛋白Calbindin,Calretinin 和Parvalbumin 阳性γ-氨基丁酸(GABA)能中间神经元在颞叶癫痫慢性期海马CA 区的存活及数量比例的改变。方法: 匹鲁卡品制作小鼠颞叶癫痫疾病模型,Calbindin,Calretinin 和Parvalbumin 免疫荧光染色分析匹鲁卡品诱导后2 个月和对照组动物海马CA 区3 个群体的GABA 能中间神经元的数量。结果: 匹鲁...
Ovarian Cyst Enlargement in a 14 Year Old Female with Persistent Ascities, Severe Hypothyroidism and Elevated Serum CA-125 Level
Ovarian cyst Hypothyroidism CA-125 Van Wyk and Grumbach syndrome
2015/9/25
A 14 year old female complained of abdominal pain and distention with vomiting. The physical exam showed thyroid enlargement and ascites. The imaging evaluation demonstrated a large ovarian cyst. Labo...
观察四-(N-甲基-4-吡啶基)卟啉(TMPyP4)对人卵巢癌A2780细胞的光动力学杀伤作用及其对微型染色体维持蛋白2(MCM2)和碳酸酐酶Ⅸ(CA-Ⅸ) mRNA表达水平的影响，阐明TMPyP4-PDT（光动力疗法）对人卵巢癌A2780细胞的杀伤作用机制。方法：体外培养人卵巢癌A2780细胞株，按不同处理因素分为空白对照组、单纯TMPyP4组、单纯PDT组和TMPyP4-PDT组。采用CCK-...
血清CA-125、CEA和CRP联合检测在肺癌诊断中的价值
血清 检测 肺癌诊断
2011/8/18
探讨血清癌抗原125(CA-125)、癌胚抗原(CEA)和C-反应蛋白(CRP)联合检测对肺癌的诊断价值。 方法 收集确诊肺癌、COPD和正常组各40人，采用免疫放射法检测三组人群血清CA-125和CEA，散射比浊免疫法检测C-反应蛋白。 结果 肺癌患者血清CA-125和CEA表达水平均高于COPD和正常组（P<0.05）；COPD组CRP表达水平高于肺癌和正常组（P<0.05）。联合检测CA-1...
The relationship of serum CEA and CA 19-9 levels to liver metastasis and pancreatic invasion in esophageal cancer
Esophageal cancer metastasis tumor marker CEA CA 19-9
2010/1/11
Aim: Previous studies have examined levels of CEA and CA 19-9 in esophageal cancer patients, but have not determined a significant relationship between CEA and CA 19-9 levels and liver metastasis and ...
目的：用不同浓度的丹参NaCl溶液作用于常氧、低氧、及氧反常的豚鼠心室肌细胞上，观察L-Ca通道电流的相对变化，以期解释丹参减轻及阻止细胞内钙超载的机理。方法： 使用全细胞膜片钳技术研究心室肌细胞L-Ca通道电流的变化。结果： 无论是常氧、缺氧和缺氧后复氧状态下，浓度为32、320、3 200 mg/L的丹参制剂都能有效降低L-Ca通道电流幅值并呈浓度依赖性。此外，低浓度32 mg/L的丹参液对...
Retroperitoneal Leiomyosarcoma of the Inferior Vena Ca-va: A Case Report
Retroperitoneal Leiomyosarcoma Inferior vena cava
2015/9/18
Leiomyosarcoma of the inferior vena cava (IVC) is a rare sarcoma, but it is the most common primary malignancy of the IVC. It has an extremely gloomy prognosis. We describe a 40 year-old white female ...
Development of Casting Investment Preventing Blackening of Noble Metal Alloys. Part 4: Effect of Mg(OH)2 and Ca(OH)2 as Additives
Casting investment Color of cast surface Noble metal alloy
2009/9/14
The objective of this study was to develop a casting investment that prevents the blackening of the cast surface of noble metal alloys. Experimental investments were prepared using a gypsum-bonded inv...
Increased Serum CA 72-4 Levels in Patients With Gastrointestinal Carcinoma
CA 72-4 CA19-9 Gastrointestenol korsinom
2009/7/2
This study is an evaluation of serum levels in the tumor markers CA 19-9 and CA 72-4 in gastric cancer patients in preoperative, postoperative and follow-up periods. These tumor markers were measured ...
The Therapeutic Effect of Nifedipine as a Ca+2 Entry Blocker on Experimental Transient Ischemic Retina
Nifedipine Ischemia Retina VSCC Blocker
2009/6/30
We evaluated the effect of nifedip-ine, an L-type voltage sensitive Ca+2 channel (VSCC) blocker, on the onset of neuronal damage induced by transient ischemia of guinea pig retinas in vivo. The animal...
'In situ' high pressure confocal Ca(2+)-fluorescence microscopy in skeletal muscle:a new method to study pressure limits in mammalian cells
high pressure microscopy in situ confocal laser scanning microscopy PRESSURE Ca2+ homeostasis mammalian skeletal muscle fluorescence mitochondria
2009/6/2
We combined 'in situ' high pressure microscopy with confocal laser scanning microscopy to directly study Ca2+ homeostasis in intact mammalian (murine) skeletal muscle fibres during high pressure expos...