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1.
目的:研究胰岛素样生长因子Ⅰ受体(IGFIR)与抑癌基因PTEN在胃腺癌组织中的表达,探讨IGFIR与PTEN的相关性及其与胃癌临床病理学特征的关系。方法:采用免疫组织化学SP法检测60例胃腺癌患者肿瘤组织和60例癌旁正常组织中IGFIR和PTEN的表达水平。结果:60例胃腺癌组织中IGFIR蛋白表达阳性率为70%(42/60),癌旁正常胃组织中的阳性表达率为35%(21/60),二者比较有显著差异(P=0.000);PTEN蛋白在胃腺癌中的阳性表达率为41.7%(25/60),在癌旁正常组织中的表达率为71.7%(43/60),两者比较有显著差异(P=0.001);IGFIR的表达水平与病人的年龄、性别无显著相关性(P〉0.05),IGFIR在低分化腺癌表达要高于中高分化腺癌(P=0.002),有淋巴结转移者要高于无淋巴结转移者(P=0.003),并与肿瘤的临床分期(P=0.003)、浸润深度(P=0.006)有关;在胃腺癌组织中IGFIR和PTEN蛋白表达之间旱明显负相关(rs=-0.469,P〈0.001)。结论:IGFIR的表达与胃癌的生物学行为密切相关,其高表达可能有助于肿瘤的生长和转移,IGFIR有可能成为一个很好的分子治疗靶点;抑癌基因PTEN的失活与胃癌的发生发展密切相关;PTEN可能对IGFIR的表达有着调控作用。  相似文献   

2.
目的探讨血管生成素-2(Ang-2)基因在胃癌组织中的表达、微血管密度(MVD)与胃癌生物学行为之间的关系。方法采用免疫组化SP方法,检测64例胃癌组织、22例癌旁正常组织、20例胃良性疾病组织中血管生成素(Ang-2),以CD34作为血管内皮细胞标记物,对CD34阳性血管进行MVD计数。结果 Ang-2在胃癌组织中的阳性表达率为68.75%,在癌旁正常组织和胃良性病变组织中的阳性表达率分别为22.27%、40.00%,差异有统计学意义(P〈0.01);Ang-2表达与胃癌浸润深度、淋巴结转移、远处转移、临床分期呈正相关(P〈0.05),Ang-2阴性表达者5年总生存期明显高于Ang-2阳性表达组(分别为50.00%及18.75%,P〈0.05);胃癌组织、癌旁组织和胃良性病变组织中MVD分别为33.69±11.60、10.65±3.00和17.20±1.98,3者比较差异有统计学意义(P〈0.01);MVD与浸润深度、淋巴结转移、远处转移及临床分期呈正相关(P〈0.01),而与肿瘤大小、分化程度、有无脉管侵犯无相关(P〉0.05);MVD≤33的胃癌患者总生存期较MVD〉33患者明显延长(分别为45.45%及16.67%),差异有统计学意义﹙P〈0.05)。经相关分析,Ang-2阳性表达率与MVD呈正相关(r=0.618,P〈0.01)。结论 Ang-2的表达和MVD与胃癌的生长、浸润、转移及预后有一定的相关性。  相似文献   

3.
目的研究核因子-κB(NF-κB)和环氧合酶-2(COX-2)在胃癌组织中的表达及其与肿瘤微血管密度(MVD)之间的关系。方法 采用免疫组织化学SP法检测142例胃癌中NF-κB、COX-2的表达和MVD,以相应的癌旁正常组织(30例)作对照。结果 NF-κB在胃癌组织中的阳性表达率为62.0%(88/142),显著高于对照组(2/30,P〈0.01);NF-κB的表达与胃癌淋巴结转移、组织学类型和远处转移等临床病理指标显著相关(P〈0.05)。COX-2在胃癌组织中的阳性表达率为64.1%(91/142),在对照组无表达,二者比较差异有极显著性意义(P〈0.01),且COX-2的表达与是否有淋巴结转移显著相关(P〈0.01)。NF-κB和COX-2的表达呈正相关(r=0.380,P〈0.01)。NF-κB阳性表达组或COX-2阳性表达组胃癌MVD显著高于其阴性表达组。结论 NF-κB和COX-2在胃癌的发生发展中起着重要作用,促进了胃癌的血管生成。  相似文献   

4.
目的探讨上皮性钙粘蛋白(E-Cadherin)在人肝细胞癌(HCC)中的表达及其与肝癌侵袭、转移性的关系。方法选择56例有完整随访资料的原发性肝细胞癌及相应癌旁组织标本、20例正常肝组织标本,用RT-PCR方法检测E-Cadherin mRNA的表达;用免疫组织化学方法检测E-Cadherin的表达。结果1.E-Cadherin在肝细胞癌组织中的表达低于癌旁组织和正常组织,差异有显著性意义(P〈0.05);癌旁组织和正常组织中E-Cadherin的表达无显著性差异(P〉0.05);2.E-Cadherin在肝癌组织中的表达与术后复发时间呈正相关(P〈0.05;R^2=0.786),与病理分期呈负相关(P〈0.05;R^2=0.678);3.癌组织中E-Cadherin表达与肝外转移呈负相关(P〈0.05;R^2=0.704);4.癌旁组织中E-Cadherin表达与术后复发时间呈正相关(P〈0.05;R^2=0.742)。结论E-Cadherin与肿瘤的分化程度,侵袭转移能力,复发倾向相关,在临床中有望作为肿瘤分化、复发、转移的评估指标之一。  相似文献   

5.
目的研究HIF-1α、VEGF在胃癌及正常胃组织中的表达及胃癌MVD特点,探讨它们在胃癌的发生、发展、浸润和转移中的作用。方法应用免疫组化sP法检测54例胃癌中HIF-1α、VEGF的表达情况并检测CD34标记的肿瘤MVD,探讨HIF-1α、VEGF在肿瘤血管生成中的作用,并分析HIF-1α、VEGF及MVD与胃癌ll告床病理因素的关系。结果HIF-1α在胃癌中的表达率(74.07%)明显高于正常胃组织(O%),P〈0.01;HIF-1α的表达与胃癌TNM分期、肿瘤浸润深度和淋巴结转移显著相关,P〈0.05。VEGF在胃癌的阳性表达率(68.5%)明显高于正常胃组织(13.3%)。P〈0.05;VEGF的表达与胃癌TNM分期、肿瘤浸润深度、淋巴结转移显著相关,P〈0.05。胃癌MVD(31.5±7.1)明显高于正常胃组织MVD(6.7±2.4),P〈0.01;胃癌MVD与胃癌TNM分期、肿瘤浸润深度和淋巴结转移显著相关,P〈0.01或P〈0.05。胃癌组织中HIF-1α与VEGF的表达呈正相关;HIF-1α与MVD的表达呈正相关;VEGF与MVD的表达呈正相关。结论HIF-1α,VEGF和MVD在胃癌的发生发展中起重要作用,联合检测可作为判断胃癌恶性程度和预后的指标。关  相似文献   

6.
目的探讨趋化因子受体CCR7在胃癌组织中的表达及其临床意义。方法采用RT—PCR及Western blot法检测32例胃癌及其癌旁对照组织中CCR7的表达。结果CCR7mRNA在胃癌组织中的表达水平为癌旁对照组的1.66倍(P〈0.01),且其表达水平与肿瘤TNM分期(P〈0.05)、浸润深度(P〈0.05)及淋巴结转移有关(P〈0.05);Western blot结果显示CCR7蛋自在胃癌组织中的表达水平为癌旁对照组的2.3倍(P〈0.01),且高表达于肿瘤分期较晚(P〈0.05)、分化较差(P〈0.05)、浸润较深(P〈0.05)、有淋巴结转移(P〈0.05)和远处转移(P〈0.05)的组织。结论趋化因子受体CCR7可能与胃癌的发生、发展、侵袭、转移有关。  相似文献   

7.
目的探讨磷酸化AKT蛋白在不同胃组织中的表达意义。方法采用免疫组织化学染色,检测胃组织芯片(包括对照组正常胃黏膜、癌旁、非典型增生、原发癌及淋巴结转移癌组织)中磷酸化AKT蛋白表达。结果与正常胃黏膜、癌旁和非典型增生组织相比,AKT蛋白磷酸化在原发癌、淋巴结转移癌中表达升高(P〈0.01);与正常胃黏膜组织比较,磷酸化AKT蛋白在非典型增生组织中表达上调(P=0.26)。结论磷酸化AKT蛋白表达与胃癌的发生发展有关。  相似文献   

8.
【目的】研究色素上皮源性因子(PEDF)和血管内皮生长因子(VEGF)在胃癌组织中的表达及与癌组织中微血管密度(MVD)的关系。探讨PEDF在胃癌组织血管生成中的作用及PEDF与胃癌临床病理因素的关系。【方法】用S—P免疫组织化学法检测82例人体胃癌组织标本中胃癌细胞内PEDF和VEGF的表达;标记CD34分子显示血管内皮细胞,并计数上述胃癌组织内的微血管密度;统计学分析上述分子标记物间的关系以及各分子标记物与胃癌临床病理因素间的关系。【结果】所有的正常胃黏膜均有PEDF表达,胃癌组织PEDF表达率约43%,VEGF表达率约54%;与高分化胃癌相比,低分化胃癌组织PEDF表达率低(P〈0.05),MVD高(P〈0.05);PEDF低表达的胃癌细胞易侵犯浆膜(P〈0.05),易淋巴结转移(P〈0.01)和远处转移(P〈0.01);胃癌组织PEDF表达与MVD(P〈0.01)和VEGF(P〈0.01)表达呈负相关关系,VEGF表达与MVD呈正相关关系(P〈0.01)。【结论】PEDF低表达和VEGF高表达可能是胃癌组织内微血管生成的分子基础。是促进胃癌细胞发生淋巴及血道转移的重要因素。  相似文献   

9.
 【目的】研究色素上皮源性因子(PEDF)和血管内皮生长因子(VEGF)在胃癌组织中的表达及与癌组织中微血管密度(MVD)的关系。探讨PEDF在胃癌组织血管生成中的作用及PEDF与胃癌临床病理因素的关系。【方法】用S—P免疫组织化学法检测82例人体胃癌组织标本中胃癌细胞内PEDF和VEGF的表达;标记CD34分子显示血管内皮细胞,并计数上述胃癌组织内的微血管密度;统计学分析上述分子标记物间的关系以及各分子标记物与胃癌临床病理因素间的关系。【结果】所有的正常胃黏膜均有PEDF表达,胃癌组织PEDF表达率约43%,VEGF表达率约54%;与高分化胃癌相比,低分化胃癌组织PEDF表达率低(P〈0.05),MVD高(P〈0.05);PEDF低表达的胃癌细胞易侵犯浆膜(P〈0.05),易淋巴结转移(P〈0.01)和远处转移(P〈0.01);胃癌组织PEDF表达与MVD(P〈0.01)和VEGF(P〈0.01)表达呈负相关关系,VEGF表达与MVD呈正相关关系(P〈0.01)。【结论】PEDF低表达和VEGF高表达可能是胃癌组织内微血管生成的分子基础。是促进胃癌细胞发生淋巴及血道转移的重要因素。  相似文献   

10.
目的:探讨Dicer在胃癌组织中的表达及临床意义。方法:应用免疫组织化学法检测40例人胃癌组织和40例癌旁正常胃组织标本中Dicer的表达,并结合临床资料进行统计学分析。结果:Dicer在胃癌组织中阳性率为47.5%,癌旁正常胃组织为85.O%,Dicer阳性率低于癌旁正常胃组织(P〈0.01);胃癌组织高、中度分化、有淋巴结转移、临床分期早期患者Dicer阳性率均高于低度和未分化、无淋巴结转移、临床进展期患者(P〈0.05~P〈0.01),而在性别、年龄和癌灶原发部位间Dicer阳性率差异均无统计学意义(P〉0.05)。结论:胃癌组织中Dicer表达明显降低,并且Dicer表达与胃癌分化程度、有无淋巴结转移及临床分期有一定关系。  相似文献   

11.
FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…  相似文献   

12.
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.  相似文献   

13.
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.  相似文献   

14.
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.  相似文献   

15.
Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.  相似文献   

16.
In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.  相似文献   

17.
Dr.Zhang Ren,the chief physician,is the chairman of Shanghai Acupuncture and Moxibustion Association.Having been engaged in medicine for about 40 years,he is experienced in treating various intractable diseases.In his long years of clinical practice,he advocates taking the TCM differentiation as the basis to seek for the acupuncture method for treatment of modern intractable diseases.The author of this essay had the fortune to follow Dr.Zhang in study.The following is a summary of Dr.Zhang's experience in the acupuncture treatment for different intractable diseases with the same therapeutic principle.  相似文献   

18.
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.  相似文献   

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目的 探讨猪肺磷脂注射液联合经鼻持续气道正压通气(NCPAP)对呼吸衰竭早产儿的临床疗效及肌酸激酶同工酶活性(CK-MB)的影响.方法 选取呼吸衰竭早产儿80例,分为观察组和对照组各40例.对照组采用NCPAP给氧治疗,观察组给予NCPAP给氧联合猪肺磷脂气管内给药.观察两组患儿治疗前及治疗12h、24 h后PaO2、PaCO2、血氧饱和度(SaO2)、pH的变化情况,检测治疗前及治疗5d后血清CK-MB水平;评估两组患儿的临床治疗效果.结果 两组患儿PaO2、PaCO2、SaO2、pH比较,差异均有统计学意义(P<0.05),其中观察组治疗后的PaO2、SaO2、pH均高于对照组,PaCO2则低于对照组.两组的PaO2、SaO2、pH均随观察时间延长而升高(P<0.05),PaCO2均随观察时间的延长而降低(P<0.05).观察组治疗有效率为87.5%,显著高于对照组的70.0% (P <0.05).治疗5d后两组患儿血清CK-MB水平均较前降低(P<0.05),且观察组明显低于对照组(P<0.05).结论 猪肺磷脂注射液气管内给药联合NCPAP可以显著降低呼吸衰竭早产儿CK-MB的含量,提高治疗有效率,起到很好的呼吸循环支持作用.  相似文献   

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