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1.
为了揭示C-erbB-2基因蛋白和PCNA与乳癌的关系,用ABC法检测乳腺良恶性疾病30例,发现乳癌时C-erbB-2基因蛋白和PCNA表达分别占53%(8/15)和100%(15/15)。而良性疾病的C-erbB-2基因蛋白和PCNA表达均为15%(2/15)。PCNA可帮助早期诊断乳癌和监测良性肿瘤是否恶变。C-erbB-2基因蛋白的表达对乳癌预后估价有一定意义。  相似文献   

2.
浦勇顺  周金良 《河北医学》2000,6(6):490-493
用癌基因和抑癌基因蛋白产物在乳癌中过表达,探讨与病理分级,肿瘤生物学行为和预后指标雌激素受体(ER)表达的关系,为临床治疗及预后的判断提供客观参数。方法:应用免疫组化S-F法检查48例乳癌中P53,C-erbB-2,PCNA和ER表达水平。结果:48例乳癌中P53,C-erbB-2,PCNA和ER阳性表达率分别为54%,43%,52%和41.6%。P53,C-erbB-2随着组织分级增高呈递增趋势  相似文献   

3.
鼻咽癌组织C—erbB—2表达与细胞增殖和预后的关系   总被引:10,自引:0,他引:10  
应用免疫组化及原位杂交方法,对良恶性鼻咽组织中C-erbB-2表达及增殖细胞核抗原(PCNA)进行检测。结果显示:鼻咽癌(NPC)组织中C-erbB-2蛋白和mRNA阳性率分别为87.8%和84.0%,二者同时表达为84.0%;癌旁粘膜中二者阳性率分别为74.6%和76.5%,同时表达为82.4%。泡状核细胞癌PCNA SⅡ值明显高于低分化鳞癌(P〈0.01)。癌组织中C-erbB-2蛋白阳性病例  相似文献   

4.
应用免疫组化及原位杂交方法,对良恶性鼻咽组织中C-erbB-2表达及增殖细胞核抗原(PCNA)进行检测。结果显示:鼻咽癌(NPC)组织中C-erbB-2蛋白和mRNA阳性率分别为87.8%和84.0%,二者同时表达为84.0%;癌旁粘膜中二者阳性率分别为74.6%和76.5%,同时表达为82.4%。泡状核细胞癌PCNASⅡ值明显高于低分化鳞癌(P<0.01)。癌组织中C-erbB-2蛋白阳性病例PCNASⅡ值高于阴性病例(P<0.05)。提示:C-erbB-2癌基因的过度表达以及由此导致的细胞异常增殖与NPC发生发展有关;C-erbB-2和PCNA联合检测,对判断肿瘤恶性程度及预测NPC放疗效果有一定意义  相似文献   

5.
应用免疫组化S-P法检测了111例大肠癌及57例癌旁粘膜组织的C-erbB-2癌基因蛋白和PCNA表达状况。结果表明:①大肠癌组织C-erbB-2癌基因蛋白和PCNA阳性表达率分别为48.6%,72.1%;癌旁粘膜仅为28.1%,14.8%;前者C-erbB-2(P<0.05)foPCNA(P<0.01)的表达率显著高于后者。②C-erbB-2癌基因蛋白和PCNA阳性率与癌组织分化程度及淋巴结转移有显著相关性(P<0.05)。提示:测定C-erbB-2癌基因产物和PCNA,有助于对大肠癌生物学行为的进一步认识及患者预后的分析。  相似文献   

6.
应用免疫组化技术检测82例大肠腺瘤(伴有或不伴有非典型增生)、57例大肠高分化腺癌的PCNA和C-erbB-2癌基因蛋白表达。结果表明:在良性组、癌前病变组及恶性组中,PCNA指数(8.75%,28.73%,66.32%)明显递增(P<0.01),C-erbB-2阳性率(18.2%,36.7%,50.9%)也逐渐增加(P<0.05)。在癌前病变组内,轻、中、重度非典型增生的PCNA指数(15.37%,29.95%,40.11%)亦有显著差异(P<0.01).C-erbB-2阳性率(25%,35%,50%)依次呈递增趋势,重度非典型增生C-erbB-2阳性率与恶性组相近。结果提示:PCNA表达程度与非典型增生密切相关,是反映细胞增殖的良好标志,PcNA和C-erbB-2过度表达与大肠腺瘤恶性倾向有关。PCNA和C-erbB-2组化研究有助于认识大肠癌前病变的本质和监测高危人群并早期发现腺瘤恶变。  相似文献   

7.
目的:检测原癌基因C-erbB-2蛋白和增殖细胞核抗原(PCNA)在乳腺导管浸润癌中的表达及意义。方法:对石蜡切片标本进行免疫组化染色。结果:C-erbB-2和PCNA在乳腺导管浸润癌中阳性率为74.3%和68.6%,二者表达与癌组织大小及分化程度呈正相关(P〈0.05),与年龄,雌激素受体水平和生存期呈负相关(P〈0.05)。与淋巴结有无转移无关(P〉0.05)。结论:C-erbB-2和PCNA  相似文献   

8.
目的:探讨抑癌基因p16、原癌基因C-erbB-2、增殖细胞核抗原(PCNA)在涎腺肿瘤中的异常表达与肿病理生物学特征间的关系及临床意义,为涎腺恶性肿瘤有效防治提供实验科学依据。方法:应用免疫组化LSAB法检测涎腺恶性肿瘤30例、涎腺多形性腺瘤31例及涎腺非肿瘤组织14例的C-erbB-2、PCNA及p16蛋白的表达及变化。结果:多形性腺瘤中C-erbB-2、PCNA、p16阳性率分别为38.7%、71.0%、77.4%,均低于涎腺恶性肿瘤阳性率76.7%、86.7%、80.0%,但仅C-erbB-2两者间P〈0.05。涎腺恶性肿瘤中PCNA与C-erbB-2、p16间无相关性(P〉0.05)。结论:(1)免疫组化法检测抑癌基因p16、原癌基因C-erbB-2、PCNA在细胞内的表达可对良恶性病变从分子水平进行  相似文献   

9.
原癌蛋白C—erbB—2和PCNA在乳腺病变中表达及意义   总被引:2,自引:0,他引:2  
目的:检测原癌基因蛋白C-erbB-2的增殖细胞核抗原(PCNA)在乳腺良恶性病变中的表达及意义。方法:采用免疫组化法。结果:C-erbB-2和PCNA在乳腺良恶性病变中表达差异显著(P〈0.01)。其中导管内乳头状瘤病中二者表达高于其它良性病变而低于乳腺癌(P〈0.01)。乳腺癌中C-erbB-2和PCNA表达与肿物大小和组织学分级呈正比(P〈0.05)与ER水平和5年生存期呈反比(P〈0.01  相似文献   

10.
P53、c-erbB-2和PCNA在横纹肌肉瘤中的表达   总被引:1,自引:1,他引:0  
目的 探讨横纹肌肉瘤癌基因蛋白和增殖细胞核抗原(PCNA)的表达与横纹肌肉瘤的类型、分化程度和复发、转移的关系。方法 应用免疫组化ABC法检测26例横纹肌肉瘤p53、c-erbB-2和PCNA的表达。结果 p53、c-erbB-2和PCNA的阳性率分别为76.9%,19%和100%。p53阳性表达与横纹肌肉瘤的类型无关(F〉0.05),而与横纹肌肉瘤的分化程度和复发、转移有关(F〈0.05)。c-  相似文献   

11.
罗针  崔翱  唐敏  赵小燕 《海南医学》2016,(4):686-688
目的 分析基于目标设置理论的护理干预在植物人颅内电极植入术中的应用效果.方法 选取2012年8月至2014年8月间在本院接受治疗的植物生存状态患者30例作为研究对象,均接受颅内电极植入术.根据接受的护理干预措施不同,所有入组患者分为观察组及对照组,每组各15例.对照组患者接受植物人常规护理,观察组患者接受基于目标设置理论的护理干预,随访并记录两组患者的治疗预后、术后并发症发生情况,采用酶联免疫吸附法(ELISA)检测血清神经损伤指标水平.结果 (1)两组患者接受颅内电极植入术后1年内,观察组患者中的死亡比例低于对照组[6.7%(1/15) vs 13.3%(2/15)]、唤醒比例高于对照组[20.0%(3/15) vs 6.7%(1/15)],差异均有统计学意义;(2)观察组患者接受基于目标设置理论的护理干预后,术后颅内出血、脊髓损伤、颅内感染、肺部感染等并发症发生率均明显低于对照组,差异均有统计学意义[0 (0/15) vs 13.3%(2/15)、0 (0/15) vs 13.3%(2/15)、6.7%(1/15) vs 26.7%(4/15)、13.3%(2/15) vs 40.0%(6/15),P<0.05];(3)观察组患者接受基于目标设置理论的护理干预后,血清神经元特异性烯醇化酶(NSE)、β淀粉样蛋白(Aβ)、星形胶质源性蛋白(S100β)等脑损伤指标水平值均明显低于对照组,差异均有统计学意义[(20.28 ± 4.36) μg/L vs (37.63 ± 6.87) μg/L、(10.92 ± 1.72) μg/L vs (24.31 ± 3.39) μg/L、(0.101±0.018)μg/L vs (0.165±0.027)μg/L,P<0.05].结论 基于目标设置理论的护理干预应用于植物人颅内电极植入术中可以有效优化患者的治疗预后、减少术后并发症发生,保护患者的脑组织免收损伤,具有积极的临床意义.  相似文献   

12.
干扰素治疗慢性乙肝的前瞻性观察及其影响因素   总被引:3,自引:0,他引:3  
Mismatched polymerase chain reaction and restriction fragment length polymorphism assay together with neutralization bioassay were performed in order to elucidate the influence of pre core mutation of HBV genome and neutralizing anti-INF on the therapeutic efficacy of IFN-2b. In 29 patients treated with IFN alpha-2b, HBV DNA pre core mutation were detected in 15 patients (15/29, 51.7%), HBV DNA in 7 of these 15 patients (7/15, 46.6%) turned to negative, all of whom were recurrent one year follow up. In the other 14 patients without pre core mutation, 7 patients (7/14, 50%) became serum HBV DNA negative, none of whom were recurrent. HBV DNA was undetectable in 4 of the 15 patients (4/15, 26.7%) with neutralizing antibody. In contrast, HBV DNA became undetectable in 10 of the 12 patients (10/12, 83.3%) without neutralizing antibody (P < 0.05).  相似文献   

13.
胡晓青  李骏 《西部医学》2023,35(10):1473-1477
目的 探讨核仁磷酸蛋白(NPM1)突变对异柠檬酸脱氢酶2(IDH2)突变急性髓系白血病(AML)患者的预后影响。方法 选取蚌埠医学院第一附属医院血液内科2018年01月—2020年06月收治AML患者105例为研究对象。将AML患者分为IDH2突变阳性组(28例)和IDH2突变阴性组(77例)。比较两组患者化疗完全缓解率(CR)和2年生存率差异。结果 AML患者IDH2突变阳性组CR率与IDH2突变阴性组患者比较,差异无统计学意义(P=0.113)。IDH2突变阳性组患者2年生存率、总体生存时间(OS)中位数与IDH2突变阴性组患者比较,差异无统计学意义(P=0.110)。105例患者中49例患者伴随NPM1突变,56例患者不伴随NPM1突变。伴随NPM1突变中IDH2突变阳性患者(13例)CR率、2年生存率、OS中位数与IDH2突变阴性患者(36例)比较,差异均无统计学意义(P>0.05);不伴随NPM1突变中IDH2突变阳性(15例)患者CR率、2年生存率、OS中位数与IDH2突变阴性患者(41例)比较,差异有统计学意义(P<0.05)。结论 在AML不伴随NPM1突变...  相似文献   

14.
颈动脉支架置入术后并发症及处理方法的探讨   总被引:3,自引:0,他引:3  
贾晓军  陈阳  张猛  杨珩  周华东 《重庆医学》2008,37(7):718-720
目的探讨颈动脉支架置入术后并发症特点及正确处理方法。方法51例经DSA检查确诊的颈动脉狭窄患者置入颈动脉支架,观察术后并发症特点并给予积极的相应治疗。结果术后并发症中血压下降44.7%(21/47)、心动过缓31.9%(15/47)、心动过速10.6%(5/47)、高灌注综合征6.4%(3/47)、脑栓塞4.3%(2/47)和消化道出血2.1%(1/47)。不同支架组血压下降发生率分别为47.6%(10/21)3、8.1%(8/21)和14.3%(3/21),心动过缓发生率分别为61.0%(9/15)、26.7%(4/15)和13.3%(2/15),组间发生率差异无统计学意义(P>0.05)。所有并发症经积极治疗后,均未留下严重后果。结论颈动脉支架置入术后并发症主要有血压下降和心动过缓,支架置入不同数目组间并发症发生率差异无统计学意义,对并发症可以成功救治。  相似文献   

15.
This study was aimed at the relationship of brain-stem auditory evoked potential(BAEP) with cerebral blood flow(CBF) volume and vascular pathological changes in patients with vertebro-basilar transient ischemic vertigo (VBTIV). 65 patients were examined by magnetic resonance angiography(MRA), transcranial Dopplar(TCD) and BAEP; 26 controls were examined by MRA and TCD. In the patient group, MRA showed that vascular pathological changes were obvious in 50 patients, and obscure or absent in 15 patients. The CBF volume [112.3-278.9 ml/min (2s)] of control group was higher than that (48.0-262.0 ml/min) of the patients group (t = 2.43, P < 0.01) in which 15 patients had low CBF volume and 50 patients had normal CBF volume. The BAEP of 47(72.3%) patients was abnormal. Out of 15 patients with low CBF volume, 14(93.3%) had abnormal BAEP, but out of 50 patients with normal CBF volume, only 33(66%) patients had abnormal BAED (chi 2 = 4.34, P < 0.05). In the 50 patients with obscure obvious vascular pathological changes, 40(80%) patients had abnormal BAEP, but in the 15 patients with obscure or without the changes, only 7(43.3%) patients had abnormal BAEP (chi 2 = 4.86, P < 0.05). These results suggested that there might be a close relationship of BAEP with CBF volume and vascular pathological changes.  相似文献   

16.
目的:了解原发性肝细胞癌(HCC)患者HCV基因型分布现状及其关系。方法:选择山西省肿瘤医院1996年间住院的HCVRNA阳性,临床上确诊的HCC患者血清标本13份,非肝癌癌症患者血清标本15份,1996年-1997年HCVRNA阳性的公共场所从业人员血清标本15份,用型特异性引物进行RT-PCR基因分型。结果:13例HCVRNA阳性的HCC患者,除1例未能分型外,其余12例均为HCV 1b型(100%)。15例非肝癌癌症患者,除13酌(86.67%)为1b型感染者外,其余均为2a型(13.33%)。15例从业人员中,不仅检出了12b型感染(86.67%),还检出2a型,1/2混合型各1例。所有标本中1b,2a型,1b/2a混合型的构成分别为38/42(90.48%),3/42(7.14%),1/42(2.38%),以1b型的比例最高,未检出1a,2b和3a型。结论:HCVRNA1b型与HCC的关系较为密切,同时也是山西地区HCV的感染优势株。  相似文献   

17.
目的:探讨氩氦刀治疗孤立性肿瘤的疗效及安全性。方法:15例单个病灶肿瘤患者在超声引导下进行氩氦刀治疗。结果:13例患者的肿瘤病灶被氩氦刀所形成的冰球100%覆盖,其余两例患者肿瘤病灶冰球的覆盖率也在90%以上。完全缓解13例,部分缓解2例,有效率达100%,无疾病进展生存期为8个月,其中1例无疾病进展生存期达15个月。结论:氩氦刀治疗孤立的肿瘤病灶安全有效,肿瘤的大小和位置是影响治疗效果的决定性因素。  相似文献   

18.

Background

The clinical spectrum of adult coeliac disease (ACD) is varied with limited Irish data.

Aims and Objectives

The aim of this study was to analyse the presenting symptoms, associated conditions and complications in a consecutive series of patients with ACD.

Methods

Data were obtained from database on patients with ACD between 1988 and 2004.

Results

One hundred and six patients (69F:37M, mean age: 46, range: 23?C95?years) were included. The modes of presentation were diarrhoea in 44 patients (45%), weight loss in 41 (42%), anaemia in 37 (38%), abdominal pain in 15 (15%), fatigue in 8 (8%), hypocalcaemia in 4 (4%) and steatorrhoea in 4 (4%). Associated conditions included thyroid disorders in 7 patients (7%), bipolar affective disorder in 4 (4%), major depression in 3 (3%), rheumatoid disease in 3 (3%), inflammatory bowel disease in 4 (4%) and type I diabetes mellitus in 2 (2%). Malignancy emerged as a major complication in 15 patients (15%)

Conclusion

The presenting features of ACD are diverse and associated with high risk of malignancy.  相似文献   

19.
Background Many treatment options for lower limb ischemia are difficult to apply for the patients with poor arterial outflow or with poor general conditions. The effect of medical treatment alone is far from ideal, especially in patients with diabetic foot. A high level amputation is inevitable in these patients. This study aimed to explore the effect of transplantation of autologous bone marrow mononuclear cells on the treatment of lower limb ischemia and to compare the effect of intra-arterial transplantation with that of intra-muscular transplantation.
Methods In this clinical trial, 32 patients with lower limb ischemia were divided into two groups. Group 1 (16 patients with 18 affected limbs) received transplantation of autologous bone marrow mononuclear cells by intra-muscular injection into the affected limbs; and group 2 (16 patients with 17 affected limbs) received transplantation of autologous bone marrow mononuclear cells by intra-arterial injection into the affected limbs. Rest pain, coldness, ankle/brachial index (ABI), claudication, transcutaneous oxygen pressure (tcPO2) and angiography (15 limbs of 14 patients) were evaluated before and after the mononuclear cell transplantation to determine the effect of the treatment.
Results Two patients died from heart failure. The improvement of rest pain was seen in 76.5% (13/17) of group 1 and 93.3% (14/15) of group 2. The improvement of coldness was 100% in both groups. The increase of ABI was 44.4% (8/18) in group 1 and 41.2% (7/17) in group 2. The value of tcPO2 increased to 20 mmHg or more in 20 limbs. Nine of 15 limbs which underwent angiography showed rich collaterals. Limb salvage rate was 83.3% (15/18) in group 1 and 94.1% (16/17) in group 2. There was no statistically significant difference in the effectiveness of the treatment between the two groups.
Conclusions Transplantation of autologous bone marrow mononuclear cells is a simple, safe and effective method for the treatment of lower limb ischemia,  相似文献   

20.
目的:探讨短期胰岛素强化治疗对2型糖尿病(T2DM)的短期疗效及长期影响.方法:收集T2DM病人130例,进行2周的胰岛素泵强化治疗,随访12个月.比较治疗前后病人的空腹血糖(FPG)、2 h血糖(2hPG)、糖化血红蛋白(HbA1c)、血脂、白细胞介素6、降钙素原水平以及稳态评估法测量的胰岛素抵抗和胰岛β细胞功能,并统计随访12个月时的缓解率.结果:与治疗前比较,治疗后病人FPG、2hPG、HbA1c、白细胞介素6、降钙素原水平和胰岛素抵抗均明显下降(P<0.01),胰岛β细胞功能明显上升(P<0.01).而随访12个月时,病人FPG、2hPG 、HbA1c、总胆固醇、三酰甘油、低密度脂蛋白胆固醇和高密度脂蛋白胆固醇亦均较治疗前明显下降(P<0.01).随访12个月时,病人总缓解率为42.31%(55/130),其中病程<3个月、3个月至1年、>1~5年、>5~10年、>10~15年以及>15年病人的缓解率分别为81.82%(18/22)、71.43%(15/21)、54.55 %(12/22)、31.82%(7/22)、13.64%(3/22)和0.00%(0/21).缓解组病人的病程明显短于未缓解组(P<0.01).结论:短期胰岛素强化治疗可保护T2DM病人胰岛β细胞功能,改善胰岛素抵抗,使病人长期获益.  相似文献   

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