Cyclin D_1蛋白在子宫内膜癌的表达及意义

目的 :探讨 Cyclin D1蛋白与子宫内膜癌发生、发展及预后的关系。方法 :采用免疫组化 HIGH- SABC法 ,检测子宫内膜腺癌 Cyclin D1蛋白的表达。结果 :Cyclin D1蛋白在子宫内膜癌表达率为 40 .5 %。明显高于正常子宫内膜和子宫内膜不典型增生 ( P<0 .0 5 ) ,其表达与病理分级、临床分期及转移无关 ( P>0 .0 5 )。但强阳性率 ( 1 6.7% )表达在 G1明显低于 G2 、G3( P<0 .0 5 ) , 期明显低于 期、 期 ( P<0 .0 5 ) ,并与转移有关 ( P<0 .0 5 )。强阳性表达与病理分级、临床分期及转移呈正相关。结论 :1 Cyclin D1蛋白过表达与子宫内膜癌的发生、发展、转移及预后有关。2临床上检测 Cyclin D1蛋白产物可用于判断子宫内膜癌患者的预后。     

肝细胞生长因子及其受体在子宫内膜癌组织中的表达及其意义

目的 :研究肝细胞生长因子HGF及其受体c-Met在子宫内膜癌组织中的表达及其与子宫内膜癌手术病理分期、病理分级的关系。方法 :采用免疫组织化学S -P法 ,检测 5 2例子宫内膜腺癌、12例正常子宫内膜组织中HGF及其受体c -Met的表达 ,并结合肿瘤的手术病理分期、病理分级 ,对结果进行 χ2 检验、Fisher精确概率法等统计分析 ,从而判断其价值。结果 :子宫内膜癌组织中HGF及c -Met表达较正常子宫内膜组织明显增高 ;子宫内膜癌的期别越晚、分化越差 ,c -Met表达越强。结论 :HGF、c -Met的过度表达与子宫内膜癌的发生发展有关 ;c -Met与子宫内膜癌的手术病理分期、病理分级密切相关。     

p73在子宫内膜癌中的表达

目的　研究p73在子宫内膜癌中的蛋白表达情况 ,以探讨其在子宫内膜癌发生发展中的可能作用。方法　采用免疫组化SP法测定 5 8例子宫内膜癌标本 ,2 0例子宫内膜中、重度不典型增生标本和 2 4例正常子宫内膜标本中p73的蛋白表达情况。结果　①p73在子宫内膜癌中表达阳性率为 5 3.4 5 % ,在子宫内膜中、重度不典型增生中阳性率为 2 5 .0 0 % ,在正常子宫内膜中阳性率为 4 .17% ,各组相比 ,差异有显著意义 (P <0 .0 5 )。②p73在子宫内膜癌各期的阳性率分别为 :Ⅰ期 31.82 % ,Ⅱ期 5 6 .2 5 % ,Ⅲ～Ⅳ期 75 .0 0 % ,Ⅲ～Ⅳ期与Ⅰ～Ⅱ期相比 ,差异有显著意义 (P <0 .0 5 ) ;且p73的阳性率随组织学分级、肌层浸润深度、淋巴转移而升高 (P <0 .0 5 )。③p73“ +”的患者比p73“ -”的患者预后差 (P <0 .0 5 )。结论　p73蛋白表达异常在子宫内膜癌的发生发展中可能发挥重要作用 ;p73蛋白过表达与子宫内膜癌患者的预后有关 ,可能作为子宫内膜癌患者判断预后的指标之一。     

抑癌基因p53在子宫内膜癌中的表达及意义的探讨

目的　探讨抑癌基因p5 3在子宫内膜癌发生、发展过程中的作用。方法　采用免疫组化ABC法检测37例子宫内膜癌、2 0例子宫内膜腺瘤样增生、18例子宫内膜单纯性增生、2 8例正常子宫内膜标本的抑癌基因 p5 3的表达。结果　p5 3表达阳性率 :子宫内膜癌为 48.6 5 % ;子宫内膜腺瘤样增生为 10 % ,显著低于子宫内膜癌 (P <0 .0 1) ;单纯性增生子宫内膜及正常子宫内膜均为阴性。子宫内膜癌病理组织学分级G1级 p5 3阳性表达率为13.33 % ,显著低于G2级 6 6 .6 7% (P <0 .0 1) ;而G2级又低于G3级 p5 3阳性表达率 (80 % ) (P <0 .0 5 )。在子宫内膜癌的手术分期中一期p5 3阳性表达率为 32 % ,显著低于二期以上的 83 .33% (P <0 .0 1)。子宫内膜癌局限于子宫内膜组p5 3阳性表达率为 9.1% ,低于癌侵润肌层组的 5 0 % (P <0 .0 5 )。p5 3表达阳性的子宫内膜癌患者 3年、5年生存率显著低于表达阳性的患者 (P <0 .0 1)。结论　抑癌基因p5 3在子宫内膜癌发生、发展的不同阶段起作用 ,与子宫内膜癌生物学行为相关 ,对子宫内膜癌的预后判断及治疗的选择具有临床意义     

cyclin D1蛋白在子宫内膜癌组织中的表达及其临床意义

目的探讨cyclin D1蛋白在子宫内膜癌组织中的表达及其临床意义。方法采用免疫组织化学SP法检测20例正常子宫内膜、38例不典型增生子宫内膜及126例子宫内膜癌组织中cyclin D1蛋白的表达,分析其与子宫内膜癌临床病理因素的关系及对生存率的影响。结果 cyclin D1蛋白表达阳性率及表达强度在正常子宫内膜、不典型增生子宫内膜及子宫内膜癌中呈明显上升趋势,三者之间cyclin D1蛋白表达存在统计学差异(P<0.001)。cyclin D1蛋白表达阳性率及表达强度在Ⅲ～Ⅳ期病例明显高于Ⅰ～Ⅱ期(P=0.006);cyclin D1蛋白在组织学分级G1、G2、G3中的表达逐渐增加(P=0.010);淋巴结转移阳性者明显高于阴性者(P=0.008);Ⅱ型子宫内膜癌明显高于Ⅰ型(P=0.020)。cyclin D1蛋白表达与肌层浸润程度、腹腔液细胞学及患者年龄均无统计学相关(P>0.05)。cyclin D1蛋白阳性组患者的总体生存率明显低于阴性组患者(P=0.017)。结论 cyclin D1蛋白的过表达参与了子宫内膜癌的发生发展,提示其可作为有效的预后因子。     

S100在子宫内膜癌中的表达及其意义

①目的　观察S10 0A4、S10 0A8、S10 0A11mRNA在子宫内膜癌中表达的差异 ,探讨S10 0亚型的分布规律及与子宫内膜癌发生、发展的关系。②方法　选取正常的子宫内膜组织和子宫内膜癌组织各 30例 ,用半定量RT PCR方法检测S10 0A4、S10 0A8、S10 0A11mRNA在正常子宫内膜组织和子宫内膜癌组织中的表达水平。③结果　在子宫内膜癌组织中S10 0A4、S10 0A8、S10 0A11mRNA均为高表达 ,与正常子宫内膜组织比较均具有显著性差异 (t=2 .34～ 7.0 4 ,P <0 .0 5 )。S10 0A4、S10 0A8mRNA在G3级组织中的表达水平明显高于G1、G2级组织 (t=2 .36、3.0 8,P <0 .0 5 )。S10 0A4、S10 0A8mRNA在Ⅲ、Ⅳ期组织中的表达明显高于Ⅰ、Ⅱ期组织中的表达 (t=3.6 5、3.2 5 ,P <0 .0 5 )。S10 0A11mRNA的表达则与子宫内膜癌的病理分期和组织学分级无关。④结论S10 0A4、S10 0A8、S10 0A11与子宫内膜癌的发生有关 ,S10 0A4、S10 0A8与子宫内膜癌的病理分期和组织学分级有关 ,对S10 0A4、S10 0A8的检测在评价子宫内膜癌恶性程度和判断其预后等方面具有一定的临床价值     

原癌基因c—Met在子宫内膜癌中表达的研究

目的 研究原癌基因c—Met在子宫内膜癌中的表达及其意义。方法 采用免疫组织化学SP的方法，研究50例子宫内膜癌组织及20例正常子宫内膜组织中原癌基因c—Met的表达。结果 子宫内膜癌中c—Met阳性表达率高于正常子宫内膜（P〈0．05），且与组织分级、肌层浸润深度、临床分期显著相关（P〈0．05）。结论c—Met的过表达在子宫内膜癌变中起重要作用，促进了子宫内膜癌的发生和发展，对判断子宫内膜癌的恶性程度有较重要价值。     

子宫内膜异位症患者肝细胞生长因子及其受体c-Met的表达

目的 研究肝细胞生长因子(HGF)及其受体c-Met在子宫内膜异位症发病机制中的作用。方法 采用mRNA原位杂交和免疫组织化学技术检测经腹腔镜手术及病理证实的54位子宫内膜异位症妇女(Ⅰ/Ⅱ期患者28例,Ⅲ/Ⅳ期患者26例)在位和异位内膜组织及24例正常对照组妇女在位内膜HGF、c-Met的分子和蛋白表达。结果 子宫内膜异位症患者在位内膜HGF、c-met基因和蛋白阳性表达与异位内膜一致,但阳性切片中,异位内膜阳性细胞数及表达强度高于在位内膜。增生期和分泌期的内膜细胞HGF/c-Met mRNA和蛋白的表达相近,无明显差异。对照组、Ⅰ/Ⅱ期患者在位、异位内膜与Ⅲ/Ⅳ患者在位、异位内膜比较,HGF、c-met基因和蛋白阳性表达频率依次上升,组间差异显著(P<0.01)。Ⅰ/Ⅱ期、Ⅲ/Ⅳ期患者在位和异位内膜与对照组比较,HGF、c-met基因和蛋白阳性表达频率有显著差异;Ⅰ/Ⅱ期患者与Ⅲ/Ⅳ期患者比较,HGF/c-Met阳性表达频率和表达强度均无显著差异。Ⅲ/Ⅳ期患者c-Met强阳性表达频率与对照组比较,有显著差异。结论 HGF、c-met基因和蛋白表达与子宫内膜异位症发病机制相关,在位内膜性质的改变可能是子宫内膜异位症发病机制的关键环节。     

肝细胞生长因子及其受体c-Met在喉鳞状细胞癌中的表达

目的 探讨肝细胞生长因子(HGF) 及其受体c-Met 蛋白表达与喉鳞状细胞癌临床病理特征的关系.方法 应用免疫组化法检测25例正常喉黏膜,46例喉鳞状细胞癌组织中HGF及c-Met蛋白的表达.结果 (1)正常喉黏膜HGF及c-Met低表达或阴性.(2)喉鳞状细胞癌c-Met表达与临床分期、病理分级明显相关(P＜0.05),Ⅰ、Ⅱ期低于Ⅲ、Ⅳ期.无淋巴结转移低于有淋巴结转移(P＜0.05).半定量分析:HGF表达与喉鳞状细胞癌Ⅲ Ⅳ期有关(P＜0.05).结论 HGF/c-Met系统在喉鳞状细胞癌的侵袭进展中起重要作用,c-Met可能成为判断喉鳞状细胞癌预后的良好参考指标.HGF及c-Met联合检测对于判断喉鳞状细胞癌预后有重要意义.     

子宫内膜癌组织PTEN突变、PTEN与PCNA蛋白表达临床研究

目的:检测子宫内膜癌(EC)组织中PTEN基因的突变,PTEN和PCNA蛋白表达及其与临床病理学特征的关系,探讨其临床意义。方法:采用聚合酶链反应-单链构象多态性分析(PCR-SSCP)检测36例EC、11例正常子宫内膜组织中PTEN基因第5和第8外显子的突变;应用免疫组织化学法检测PTEN与PCNA蛋白的表达,结合临床病理特征进行分析。结果:EC组织PTEN基因突变率和蛋白缺失率分别为30.56%和61.11%,高于正常子宫内膜组织。PTEN蛋白表达缺失与组织病理学分级有关。在正常子宫内膜组织中PCNA蛋白总表达率为54.55%(6/11)。EC组织中,G1级强阳性()表达率(23.08%)低于G2级(64.28%)、G3级(88.89%);手术-病理分期Ⅱ期+Ⅲ期中强阳性()表达率高于Ⅰ期。EC组织标本中PTEN蛋白与PCNA蛋白表达有差异,相关性分析显示两者之间呈负相关。结论:在EC组织PTEN基因突变、PTEN蛋白表达缺失加剧了肿瘤的发展和恶化。PCNA蛋白表达反映EC组织的增殖及恶性程度。分化越差,期别越晚,PCNA强阳性表达率越高。PTEN蛋白与PCNA蛋白表达呈负相关性。联合检测两者对判断预后及制定综合治疗方案有意义。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

Expression of OPGmRNA and ODFmRNA in the patients of hip fracture due to osteoporosis

Objective：To investigate the gene expression of osteoprotegerin（OPG） and osteoclast differentiation factor（ODF） in the bone tissue of patients with hip fracture due to osteoporosis. Methods：OPGmRNA and ODFmRNA in the bone tissue in 50 cases of osteoporosis sufferers（over 50 years old） with hip fracture（Observer Group） and 30 cases of hip facture sufferers with no osteoporosis（Control group） were analyzed with the Semi-Quantitative RT-PCR method. Results：The mRNA expressed of ODF, OPG were both high in the patients with hip fracture. In the control group, the expression of OPG mRNA was observed, while the expression of ODF mRNA was very slight. Conclusion：Aged patients contained all signals including OPG, ODF that are essential for inducing osteoclastogenesis and promoting bone resorption.     

The clinicopathological and immuohistochemical analysis of solid-pseudopapillary tumor of the pancreas： report of 9 cases

Objective：To investigate the clinical features, pathological characteristics and immunophenotype of solid-pseudopapillary tumor of the pancreas（SPTP）. Methods：Nine surgically treated cases of SPTP were retrospectively reviewed. Hematoxylin and Eosin（HE） staining and immunohistochemical staining were used to analyze all cases, and the general clinical data was collected. Results：Six patients were asymptomatic except for a palpable mass. Two patients complained of vague-epigastric pain. One patient appeared jaundice. The tumor was encapsulated and solid tissues alternately with cystic tissues. Histologically, the histological structure of solid portion was pseudopapillary with a fibrovascular core. Tumor cells were uniform and medium-sized which were arranged in sheets ets or nests or pseudopapillary patterns. Immunohistochemical studies demonstrated that SPTP proved positive in vimentin（9/9 cases）, AAT（9/9 cases）, NSE（9/9 cases）, ACT（7/9 cases）, CK20（2/9 cases）, CgA（1/9 cases）, S-100（3/gcases）, PR（4/gcases）, Syn（3/9 cases） and CD56（5/9cases）, negative in CEA and ER. Conclusion：SPTP is a tumor predominantly occurring in young women frequently without special symptoms. This tumor has various characteristical histological patterns with different immunophenotype.     

Dynamic Changes in Serum Estradiol and Progesterone levels in Patients of Premenstrual Syndrome with Adverse Flow of Liver-qi

Objective:To probe into the influence of changes of ovarian hormones on the pathogenesis of the specific sub-type premenstrual syndrome(PMS)and reveal partial microcosmic mechanisms of adverse flow of liver-qi.Methods:Estradiol(E2)and progesterone(P)levels in serum were determined at different phases of menstrual cycle by radioimmunoassay.Results:In the group of PMS with adverse flow of liver-qi.the secretive peak value Of E2 and P at the follicular phase significantly decreased,and the secretive peak value at the luteal phase did not come into being.Conclusions:Low E2 and P secretive peak at the follicular phase and absence of secretive peak at the luteal phase is one of the microcosmic mechanisms of PMS with adverse flow of liver-qi.One of the pathophysiologic mechanisms of specific sub-type PMS is probably the continuous low level of E2and P.     

Real-time Three-dimensional Echocardiography in Assessment of Left Ventricular and Right Ventricular Volumes

Real-time three-dimensional echocardiography (RT3DE)is a new ultrasound technique that enables dynamic threedimensional visualization and quantification of the heart in real time. Investigation of feasibility and methodology of RT3DE in determining left ventricular (LV) and right ventricular (RV) volumes, RT3DE was performed in 35 normal adults using Philips SONOS 7500 system with a 2-4 MHz matrix array transducer. The 60°×60° "pyramid" volume database was obtained and analyzed on a TomTec echo workstation. Both LV and RV volumes were calculated with four 3DE methods (i.e. apical 2, 4, 8, and 16-plane) through manually tracing ventricular endocardial borders in end diastole and end systole. Stroke volumes were then calculated. LV volume was also measured by 2DE Simpson's rule using GE VIVID 7 ultrasound machine.     

SCREENING FOR A 21-CHROMOSOME ABNORMALITY IN PREIMPLANTED EMBRYOS OF ELDERLY WOMEN

Increasing maternal age is the only etiological factor unequivocally linked to Down's syndrome in humans. The occurrence rate of newborns with Down's syndrome is about 1/220 in women over 35 years old. However, the occurrence rate in embryos fertilized in vitro, of the elder woman is unclear. Using FISH we screened the number of chromosome 21 in preimplanted embryos of 5 elderly women (average age, 38.4 years) to study the feasibility and necessity of screening trisomy 21 in embryos in patients over 35 years old at the in vitro fertilization (IVF) center.