Clinical Analysis of 57 Patients with Ovarian Dysgerminoma

Objective  Ovarian dysgerminoma is an uncommon ovarian malignancy, Its clinicai features are special and there are many factors affecting its prognosis. If treated properly, the patient can be cured. Otherwise it may endanger the patient’s life. The aim of this study is to investigate the clinical features and factors related to prognosis of ovarian dysgerminoma. Methods  Data from 57 patients with pure ovarian dysgerminoma were analyzed retrospectively. The patients were admitted to the Cancer Center, Sun Yat-sen University from January 1.1964 to December 31, 2000. Results  The main clinical features were abdominal mass (56.1% ), abdominal pain (21.1% ), abdominal swelling (17.5%.), vaginal bleeding (5.3% )and genital tract abnormalities (5.3%). Twenty-six patients had stage I diseases, 8 stage II.9 stage III.1 stage IV and 13 recurrent and persistent diseases. The uterus was involved in 41.2% of patients with stage II -III diseases. Combined modality was given to 52 cases and a single-method treatment to 5 cases. The total overall 5 and 10-year survival rates for stages I-IV was 80.1 % and 70.0% respectively. The 5-year survival rate for stage I was 100%, stage II 55.2%. stage III 55.6% and stage IV 0%; for recurrent and persistent diseases, 72.7%. The stage I group of 12 patients. received adnexectomy and 14 patients underwent hysterectomy and adnexa removal. There was no significant difference between the 5 and 10-year survival rates (all 100%). Of the 23 patients in the stage I group to whom oniy chemotherapy was given after operation, 19 cases received 3 or more courses and were well without recurrence; 4 patients received only one course and one of them recurred 21 months after the operation. In the group of stages II and III cases, the 5-year survival rate was 86.7% for those whose chemotherapy courses were 3≥ 4 and 25.0% for patients who received less than 4 courses of chemotherapy (P<0.05). Conclusions  The prognosis of ovarian dysgerminoma is closely related to the disease stage and treatment modality. A fertility-preserving operation can be considered in early -staged patients, but caution needs to be exercised in the middle to late staged cases. Good results can be achieved with an operation-based combined modality in recurrent patients.     

Histamine receptors in the isolated human middle meningeal artery. A comparison with cerebral and temporal arteries

The subtypes of histamine receptors mediating dilatation of human meningeal arteries have been tested in vitro, using "selective" antagonists, and compared with cerebral and temporal arteries previously examined. Dilatory responses were tested after preconstriction with prostaglandin F2 alpha. Both mepyramine and cimetidine caused a parallel shift to the right of the histamine concentration-response curve, suggesting the presence of both H1- and H2-receptors. Combined treatment with mepyramine and cimetidine caused further displacement of the concentration-response curve to the right. Schild analysis indicated pA2 values of 6.3 for cimetidine and 9.8 for mepyramine in situations of near complete blockade of either of the receptors. Both H1- and H2-receptors seem of importance for the histamine-induced dilatation in meningeal arteries and neither appear to dominate. The data considered in conjunction with our previous findings support the finding that experimental histamine-induced headache due to vasodilatation is intracranial of origin.     

腺苷三磷酸结合盒转运蛋白A1在动脉粥样硬化中的作用及其受控特点

目的:分析腺苷三磷酸结合盒转运蛋白A1(ATP binding cassette transport proteion A1,ABCA1)在动脉粥样硬化中的作用及其受控机制。资料来源:以“腺苷三磷酸结合盒转运蛋白A1”为检索词,应用计算机在Pubmed、中文全文数据库CNKI中检索2000-01/2006-11腺苷三磷酸结合盒转运蛋白A1与人有关的期刊文献,前者限定语言种类为英文,后者限定语言种类为中文。资料选择:对英文文献390篇、中文文献58篇初审。纳入标准:①与ABCA1结构及功能有关的文献。②与核受体有关的文献。③与载脂蛋白AⅠ有关的文献。④与ABCA1基因的突变、单核苷酸多态性有关的文献。⑤ABCA1蛋白、核受体、ABCA1基因的突变、单核苷酸多态性与动脉粥样硬化有关的文献。排出标准:①与哮喘、癌症、代谢性疾病有关的文献。②相关文献中内容相似的文献。③综述文献。资料提炼:选取3篇涉及ABCA1结构、功能的基础内容;18篇涉及与核受体的内容;2篇涉及载脂蛋白AⅠ的内容;7篇涉及ABCA1基因的突变、单核苷酸多态性的内容;9篇涉及ABCA1蛋白、核受体、ABCA1基因的突变、单核苷酸与动脉粥样硬化的内容。其中30篇列为参考文献。资料综合:分析了腺苷三磷酸结合盒转运体A1的结构和功能的基本情况;文献显示腺苷三磷酸结合盒转运体A1在动脉粥样硬化发病过程中起重要作用;核受体对腺苷三磷酸结合盒转运体A1的表达有调节,且腺苷三磷酸结合盒转运体A1受基因调控。结论:腺苷三磷酸结合盒转运体A1可能是与动脉粥样硬化密切相关的重要候选基因;深入探讨其机制,有利于开发新药防治动脉粥样硬化。     

AGTR1基因A10208G位点多态性与宁夏地区2型糖尿病与健康人的相关性

目的:糖尿病与心血管疾病可能存在着共同的遗传基础,AT1基因可能是心血管疾病与糖尿病共同的候选基因,人类编码AT1受体基因是AGTR1基因。分析2型糖尿病与健康者AGTR1基因A10208G位点多态性与胰岛素抵抗和β细胞功能之间的关系。方法:选择2005-03/2007-03于银川市第一人民医院内分泌科住院新诊断的2型糖尿病患者127例,符合1999年WHO糖尿病诊断标准,男68例,女59例,平均(54.86 11.05)岁,伴有腹型肥胖的2型精尿病患者105例,不伴有腹型肥胖的2型糖尿病患者22例,所有患者均自愿参加本实验,实验经医院伦理委员会批准。健康对照组人群来自宁夏地区的健康志愿者224名,男117名,女107名,平均(56.68 11.39)岁。所有对象均无血缘关系,且两组人群在性别和年龄上均匹配,各项参数之间无统计学意义。采用聚合酶链反应-限制性片段长度多态性(PCR-RFLP)技术分析105例伴有肥胖2型糖尿病患者,22例不伴肥胖的2型糖尿病患者及224例健康对照者AGTR1基因A10208G位点多态性,并测定相应生化指标进行分析。结果:351名受试者均进入结果分析。①腹型肥胖糖尿病组AGTR1基因A10208G位点基因型分布和等位基因频率与健康对照组比较有统计学意义(基因型:x~2=10.85,P<0.01;等位基因:x~2=5.57,P<0.05)。②腹型肥胖糖尿病组携G等位基因患者Homa-IR、Homa-β明显高于非腹型肥胖糖尿病组携G等位基因患者(P<0.05)。结论:①AGTR1基因A10208G位点多态性与2型糖尿病存在相关性,尤其是伴有腹型肥胖的2型糖尿病患者。②AGTR1基因A10208G位点A→G的突变可能参与胰岛素抵抗和胰岛β细胞分泌功能损伤。     

Acute coronary syndromes

The first 150 words of the full text of this article appear below. Key points Coronary artery disease accounts for >30% ofdeaths in Western society. The diagnosis of myocardial infarctionshould be qualified by size, causation and time from occurrence. Mortalityis reduced by immediate or ‘primary’ percutaneouscoronary intervention or thrombolysis within the first 24 hof onset of ST-segment elevation myocardial infarction. Strategiesto reduce platelet activation (glycoprotein IIb/IIIa receptorantagonists, or clopidogrel) are now recommended in the treatmentof high-risk non-ST-segment myocardial infarction/unstable angina. Elevatedserum troponins may be the result of non-ischaemic myocardialdamage, especially in critical illness.