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1.
非霍奇金淋巴瘤中p27~(kipl)和PCNA的表达及临床意义 总被引：2，自引：0，他引：2
[目的]探讨p27kipl和PCNA在非霍奇金淋巴瘤(non-Hodgkin'slymphom,NHL)中的表达及临床意义.[方法]采用S-P免疫组织化学方法检测了在50例非霍奇金淋巴瘤和12例淋巴结反应性增生(reactivelymphoidhyperplasia,RH)中,p27kipl和PCNA的表达情况.[结果]①p27kipl在NHL中的阳性表达率明显低于RH,且随着:NHL恶性程度增加,p27kipl阳性表达明显下降(P<0.05);②与RH相比,肿瘤组织中PCNA明显呈过表达(P<0.05),而且PCNA阳性强度随着NHL恶性程度的增加而增高;③p27kipl与PCNA表达呈负相关(P<0.05),且两者的表达与患者性别、年龄、免疫分型、临床分期及肿瘤原发部位等因素无明显相关(P>0.05).[结论]p27kipl和PCNA都与NHL的发生发展有关,联合检测p27kipl和PCNA水平在对NHL的诊断、治疗及预后判断中具有重要的临床意义. 相似文献
2.
[目的]探讨腹膜、腹膜后间质瘤的临床病理特点.[方法]对大连大学附属医院近3a收治11例腹膜、腹膜后间质瘤患者的临床病理特点及用免疫组织化学方法检测CD117、CD34、SMA、S100蛋白表达的情况进行回顾性分析.[结果]11例患者中发生于结肠(横结肠)上区3例,结肠(横结肠)下区8例.肿瘤未能完整切除者4例.肿瘤大小≤2cm者2例,>2～5cm者1例,>5～10cm者3例,>10cm者5例.细胞形态以梭形细胞为主9例,以上皮样细胞为主2例.11例患者CD117全部阳性,CD34阳性7例,SMA阳性5例,S100全阴性.[结论]结果提示腹膜、腹膜后间质瘤作为GIST的一种特殊类型,有着其自身的临床病理特点. 相似文献
3.
目的：探讨Ki-67、VEGF、CD34在乳腺癌中的表达及与病理类型之间的相关性。方法：采用免疫组织化学SP法对79例乳腺癌和34例乳腺良性病变的Ki-67、VEGF、CD34表达进行检测。结果：乳腺良性病变中的Ki-67、VEGF、CD34阳性率分别为53．1％、78．6％和100％；乳腺癌中的Ki-67、VEGF、CD34阳性率分别为75．6％、80.9和100％。乳腺良性病变中Ki-67、VEGF的表达水平与乳腺癌中的表达水平之间存在明显差异，CD34不存在明显差异；Ki-67、VEGF的阳性率和表达水平在低度恶性肿瘤与高度恶性肿瘤中存在明显差别．并且与肿瘤分化程度密切相关，CD34的阳性率和表达水平在低度恶性肿瘤和高度恶性肿瘤中不存在差异；Ki-67、VEGF阳性率和表达水平在淋巴结未转移组和转移组之间存在明显差别．VEGF表达与淋巴结转移之间存在密切相关．CD34阳性率和表达水平在淋巴结未转移和淋巴结转移组之间不存在明显差别；Ki-67与VEGF、VEGF与CD34表达之间存在密切相关。结论：Ki-67、VEGF、CD34与乳腺癌的病理参数之间存在密切相关，联合检测是制定乳腺癌治疗方案和预后估计的重要依据，是对传统的激素受体检测的有力补充。 相似文献
4.
5.
急性心肌梗塞非心脏急诊手术的麻醉处理 总被引：1，自引：0，他引：1
[目的]探讨急性心肌梗塞非心脏急诊手术的有效合理的麻醉处理方法.[方法]6名急性心肌梗塞需行非心脏急诊手术的患者,年龄48～68岁,平均59岁.麻醉选择为硬膜外阻滞复合全身麻醉,保留硬膜外导管术后镇痛.[结果]本组病人麻醉诱导、术中维持与苏醒期均平顺,围术期及术后无危象发生.手术时间平均为95min(50～265min),住院时间平均45d(32～58d).[结论]硬膜外阻滞复合全身麻醉是急性心肌梗塞非心脏急诊手术较适合的麻醉方法. 相似文献
6.
[目的]新的大肠癌相关性抗原EID3的基因克隆及其诊断价值研究.[方法]利用大肠癌病人体内血清中所含的对肿瘤抗原产生的特异性抗体筛选睾丸组织cDNA噬菌体表达文库和大肠癌组织cDNA噬菌体表达文库(SEREX),并用RT-PCR技术研究EID3 mRNA在正常组织和大肠癌传代细胞表达.[结果]睾丸组织cDNA噬菌体表达文库筛选得到了可以诱导大肠癌病人抗体免疫应答的新抗原EID3基因(Gen-bank NM_001008394.1).它们定位于染色体19q13.2,EID3含1个外显子.通过RT-PCR分析发现,EID3基因在43例大肠癌传代细胞株中,39例阳性,阳性率为90.7%.在正常组织中,除睾丸组织外不表达或有极低水平转录.[结论]EID3 mRNA表达检测用于诊断大肠癌,可能具有高特异性和高敏感性的特点.EID3蛋白被首次发现在大肠癌病人中能够诱导机体的抗体免疫应答,为一个新的大肠癌相关性抗原分子.其功能可能与抑制细胞的恶性增殖相关,并可进一步研究其用于治疗和诊断大肠癌的可行性. 相似文献
7.
[目的]:观察丙泊酚用于老年心脏病病人行口腔颌面部手术时全麻诱导并经鼻气管插管情况.[方法]:选用65例老年心脏病病人行口腔颌面部手术用丙泊酚诱导并与硫贲妥钠相对比,观察插管前及插管后1、3、5 min不同时段血液动力学指标情况.[结果]:插管前两组平均动脉压(MAP),心率(HR)无显著性差异(P>0.05);插管后1、3、5 min不同时段丙泊酚组血液动力学波动明显低于硫贲妥钠组,二者有显著差异(P<0.01).[结论]:丙泊酚用于老年心脏病人行鼻腔插管优于硫贲妥钠等药物. 相似文献
8.
[目的]探讨CD44v6及nm23-H1蛋白的表达与大肠癌的临床病理意义以及其对大肠癌预后判断的价值.[方法]应用免疫组化技术对52例大肠癌进行上述指标的表达及对比研究.[结果]大肠癌中CD44v6及nm23-H1的阳性表达率分别为65.4％及36.5％.CD44v6与分化程度有关,而nm23-Hl与分化程度无关.二者与肿瘤临床Duke's分期及淋巴结转移密切相关(P<0.05).[结论]CD44v6及nm23-H1的联合检测对判断大肠癌预后有参考价值. 相似文献
9.
输血后丙型肝炎30例临床分析 总被引：1，自引：0，他引：1
[目的]探讨输血后丙型肝炎的临床特点.[方法]丙型肝炎病毒的检测应用ELISA法.[结果]30例患者均抗HCV阳性.丙氨酸转氨酶升高者23例(76.7%),血清总胆红素升高者11例(36.7%).[结论]观察表明,潜伏期的长短与病人病情的轻重未发现有明显的相关性.输血后丙型肝炎患者的临床表现与乙型肝炎基本相似,但相对病情较轻,起病相对隐匿. 相似文献
10.
[目的]探讨E-钙粘素(E-Cad)表达与大肠癌发生发展及预后的关系.[方法]采用S.P免疫组织化学染色技术,检测30例大肠腺瘤,60例大肠癌组织E-Cad的表达情况.[结果]E-Cad的表达率在大肠腺瘤中为87.10％,显著高于大肠癌中的55.00％(P相似文献
11.
目的探讨大肠癌组织中CD105和Ki-67的表达及其意义。方法采用免疫组织化学PV-9000法检测50例大肠癌组织和10例正常大肠黏膜组织中CD105和Ki-67的表达,检测肿瘤内微血管密度（MVD）以及计算增殖指数（PI）。结果Ki-67和CD105在大肠癌组织中呈高表达（51．34±24．44,16．44±6．33）,与正常黏膜组织中的表达（21．10±8.66,4．00±1．25）相比较,差异有极显著的统计学意义（P〈0．01）。Ki-67的表达与大肠癌的分化程度、临床分期和淋巴结的转移有关,有显著统计学意义（P〈0．05）。MVD与大肠癌的分化程度、临床分期有关（P〈0．05）,但与淋巴结转移无关（P〉0．05）。Ki-67在大肠癌高微血管密度组的表达（68.28±16．91）明显高于低微血管密度组（30．59±13．90）,差异非常显著（P〈0．01）,Ki钾的表达与MYD呈正相关（r=0．28,P〈0.01））。结论CD105和Ki-67在大肠腺癌的发生发展中起着重要作用,并且同时检测两者的表达对大肠腺癌的抗血管治疗和判断其预后有一定应用价值。 相似文献
12.
Advanced primary peritoneal carcinoma： clinicopathological and prognostic factor analyses 总被引：1，自引：0，他引：1
Objective: To investigate the factors favoring a positive prognosis for advanced primary peritoneal carcinoma (PPC). Methods: Twenty-four cases meeting the criteria for PPC were analyzed retrospectively for the clinicopathologic profiles. Immunohistochemistry was used to determine the expressions of p53, Top2α, Ki-67 and Her-2/neu. Then all these clinicopathological factors and molecular markers were correlated with the prognosis. Results: There were 15 cases of primary peritoneal serous papillary carcinoma (PPSPC), 6 cases of mixed epithelial carcinoma (MEC) and 3 cases of malignant mixed Mullerian tumor (MMMT). All patients underwent cytoreductive surgery with optimal debulking achieved in 3 cases. Among those receiving first-line chemotherapy, 13 patients received the TP regimen (paclitaxel-cisplatin or carboplatin) and 7 patients received the PAC regimen (cisplatin-doxorubicin-cyclophosphamide). The median overall survival of all patients was 42 months, while the breakdown for survival time for patients with PPSPC, MMT and MEC was 44, 13 and 19 months, respectively. The expressions of p53, Top2a and Ki-67 were all demonstrated in 11 cases respectively. None showed the expression of Her-2/neu. There were significant differences in the median survival between patients with PPSPC and those with MMMT (44 months vs 13 months, P<0.05), also between patients receiving TP combination and those receiving the PAC regimen (75 months vs 28 months, P<0.05). Another significant difference in the median progression-free survival (PFS) was identified between patients with positive p53 immunostaining and those with negative p53 immunostaining (15 months vs 47 months, P<0.05), whereas age, menopausal status, residual tumor size and the other molecular factors did not significantly impact survival. Conclusion: Patients with PPC should be treated with a comprehensive management plan including appropriate cytoreductive surgery and responsive chemotherapy. Overestimating an optimal debulking surgery may not benefit survival. The pathologic subtype, chemotherapy regimen and p53 overexpression were significant prognostic factors. 相似文献
13.
In this study, we examined the expression of inducible nitric oxide synthase (iNOS) and vascular endothelial growth factor
(VEGF) by immunohistochemical staining in 76 tissue sections collected from hepatocellular carcinoma (HCC) patients undergoing
hepatectomy. Microvascular density (MVD) was determined by counting endothelial cells immunostained using anti-CD34 antibody.
We performed DNA-flow cytometric analyses to elucidate the impact of iNOS and VEGF expression on the cell cycle of HCC. Most
of the HCC cells that invaded stroma were markedly immunostained by iNOS antibody. The iNOS stain intensity of the liver tissue
close to the tumor edge was stronger than that of HCC tissue, and the strongest was the hepatocytes closer to the tumor tissue.
However, iNOS expression in 10 normal hepatic samples was undetectable. VEGF positive expression ratio was 84.8% in iNOS positive
expression cases, and the ratio was 35.3% in negative cases. There was significant correlation (P=0.000) between iNOS and VEGF expression. Moreover, iNOS expression was significantly associated with bcl-2 and MVD, but without
p53 expression. DNA-flow cytometric analyses showed that combined expression of iNOS and VEGF had significant impact on the
cell cycle in HCC. PI (Proliferating Index) and SPF (S-phase fraction) in the combined positive expression of iNOS and VEGF
group was significantly higher than that in the combined negative group. The present findings suggested that iNOS expression
was significantly associated with angiogenesis, bcl-2 and cell proliferation of HCC.
Project supported in part by the National Ninth-Five-Years Project Fund (No. 96909121), China 相似文献
14.
Inducible nitric oxide synthase expression is related to angiogenesis, bcl-2 and cell proliferation in hepatocellular carcinoma 总被引：3，自引：0，他引：3
ＩＮＴＲＯＤＵＣＴＩＯＮＮｉｔｒｉｃｏｘｉｄｅ (ＮＯ) ,ａｓｈｏｒｔｈａｌｆ ｌｉｆｅｒａｄｉｃａｌ,ｉｓｈｉｇｈｌｙｒｅａｃｔｉｖｅ ,ａｎｄｉｓｉｎｖｏｌｖｅｄｉｎｍａｎｙｂｉｏ ｌｏｇｉｃａｌｐｒｏｃｅｓｓｅｓ,Ｉｔｓｅｅｍｓｔｏｐｌａｙａｎｉｍｐｏｒｔａ 相似文献
15.
失眠患者的耳穴诊断及耳穴贴压疗效观察 总被引：1，自引：0，他引：1
[目的]探索大学生失眠患者的耳穴敏感点及耳压治疗效果.[方法]对43例大学生失眠患者和40例健康大学生作了耳穴敏感点测定,同时对患者进行了耳穴贴压治疗.[结果]失眠患者阳性例数在65％以上的敏感点有皮质下、心、神门、枕、垂前、脾等6点,而健康大学生上述6点阳性例数明显减少,经统计学处理,两组有显著性差异(P<0.01).失眠患者治疗后痊愈8例,显效13例,好转18例,无效4例,总有效率为90.7％.[结论]耳穴贴压敏感点治疗失眠疗效满意,可推广应用于学生患者. 相似文献
16.
该文对过去10年间(2001年-2010年)发表在十六种国内主要外语期刊上的英语听力研究方面的论文做了系统的检索统计,结果显示:[1]10年间听力研究质量和水平有所提升,研究内容广泛;[2]近几年听力研究呈下降趋势;[3]研究方法不断优化,但样本收集空间和手段有待进一步拓展;[4]研究主题分布和研究对象不够均衡。针对这样的发展现状,笔者以探讨为目的,指出了听力研究的一些主要不足之处。 相似文献
17.
应用不同选色方法对临床烤瓷修复效果的影响 总被引：2，自引：0，他引：2
[目的]初探应用不同比色方法对临床烤瓷修复效果的影响.[方法]A组选择诊室日光灯下进行人工和电脑选色,部位在修复体对称牙或邻牙的颈1/3、中1/3和切1/3分别比色;B组在不同光源下,多次进行人工和电脑选色.首先在日光灯下选色,然后在窗前选色,最后在中午时分北向的日光下终选色,选色部位如A组.[结果]临床成功病例结果经卡方分析表明:A组电脑和人工选色之间有显著性差异P<0.05;A组和B组之间应用人工选色有显著性差异P<0.05,而应用电脑选色无显著性差异P>0.05;B组应用电脑与人工选色之间无显著性差异.P>0.05.[结论]应用电脑选色不受外界环境因素的影响,比人工选色要客观;人工选色应尽量在多种光源下多次选色. 相似文献
18.
[目的]探讨粘附分子CD18、CD54粘附功能及其表达变化与急性脑梗塞(ACI)关系.[方法]用流式细胞术检测88例ACI患者白细胞粘附分子CD18、CD54含量与脑梗塞发生时程、部位、面积及治疗前后表达。并与30例正常人作对照.[结果]ACI患者CD18、CD54表达明显增高,与正常对照组比较差异显著(P<0.05),与梗塞面积、部位关系不大;ACI患者CD18、CD54表达在7d内均可有较高水平的表达,治疗10d后表达降低,治疗前后比较CD18、CD54差异有意义(P<0.05).[结论]CD18、CD54参与脑梗塞发生发展病理过程.可做为诊断脑梗塞、评估预后的一项辅助指标. 相似文献
19.
[目的]了解胃癌患者血清中抗核抗体谱的特点.[方法]以鸡卵核为抗原,应用免疫印迹法对18份胃癌术前患者以及22份正常对照组(年龄和性别分布均无差异)的血清进行分析.[结果]胃癌术前患者血清中特异识别5条抗原条带的抗核抗体的阳性率显著高于正常对照组,靶抗原的蛋白分子质量及胃癌术前组血清中特异识别这5条抗原条带的抗核抗体的阳性率分别为:69KD(44.4％,8/18),62KD(50％,9/18),58KD(33.9％,7/18),44KD(22.2％,4/18),37KD(38.9％,7/18).[结论] 胃癌患者体内存在抗核抗体,其相对的靶抗原有多种. 相似文献
20.
Qi Ke Rui-na Yang Feng Ye Yu-jia Wang Qiong Wu Li Li Hong Bu 《Journal of Zhejiang University. Science. B》2012,13(9):695-706
Background and objective: Liver regeneration is a complex process regulated by a group of genetic and epigenetic factors. A variety of genetic factors have been reported, whereas few investigations have focused on epigenetic regulation during liver regeneration. In the present study, valproic acid (VPA), a histone deacetylase (HDAC) inhibitor, was used to investigate the effect of HDAC on liver regeneration. Methods: VPA was administered via intraperitoneal injection to 2/3 partially hepatectomized mice to detect hepatocyte proliferation during liver regeneration. The mice were sacrificed, and their liver tissues were harvested at sequential time points from 0 to 168 h after treatment. DNA synthesis was detected via a BrdU assay, and cell proliferation was tested using Ki-67. The expressions of cyclin D1, cyclin E, cyclin dependent kinase 2 (CDK2), and CDK4 were detected by Western blot analysis. Chromatin immunoprecipitation (ChIP) assay was used to examine the recruitment of HDACs to the target promoter regions and the expression of the target gene was detected by Western blot. Results: Immunohistochemical analysis showed that cells positive for BrdU and Ki-67 decreased, and the peak of BrdU was delayed in the VPA-administered mice. Consistently, cyclin D1 expression was also delayed. We identified B-myc as a target gene of HDACs by complementary DNA (cDNA) microarray. The expression of B-myc increased in the VPA-administered mice after hepatectomy (PH). The ChIP assay confirmed the presence of HDACs at the B-myc promoter. Conclusions: HDAC activities are essential for liver regeneration. Inhibiting HDAC activities delays liver regeneration and induces liver cell cycle arrest, thereby causing an anti-proliferative effect on liver regeneration. 相似文献