血管抑素和内皮抑素在小鼠开窗肿瘤模型的应用

抗肿瘤血管形成对恶性肿瘤的治疗作用研究渐受重视[1,2]。本研究旨在建立小鼠开窗模型,研究血管抑素(AS)和内皮抑素(ES)抑制肿瘤血管形成可能机制,探讨使肿瘤凋亡最有效办法。一、材料与方法1.动物模型制作及分组:6～7周龄小鼠(平均30g)40只,随机分4组:Ⅰ:空白对照组10只。Ⅱ:实验对照组10只。Ⅲ:低剂量试验组10只。Ⅳ:高剂量试验组10只。在无菌环境下生长,每天自由喂养生长。于小鼠背部消毒后行无菌开窗术,约2.0cm×2.0cm,露出透明皮下组织。4组分别于开窗处皮下移植109A吉田腹水肝癌细胞3×106个/0.1ml。表面再喷薄层(约0.2mm)纤维蛋白…     

内皮抑素与消化系肿瘤

内皮抑素是特异性的血管内皮细胞生长抑制因子之一 ,能够显著抑制肿瘤血管增生并诱导肿瘤细胞凋亡。研究表明 ,内皮抑素具有高效抑瘤特性 ,低毒副作用 ,无耐药性等特点。内皮抑素在消化系肿瘤的应用 ,为肿瘤的抗血管生成治疗和血管靶向基因治疗提供了新的广阔前景。     

肝细胞癌中内皮抑素和血管内皮生长因子的表达意义

目的 探讨肝细胞癌(HCC)中内皮抑素和VEGF的表达意义.方法 应用免疫组织化学方法检测2000年1月至2005年4月福建医科大学附属第二医院收集的46例HCC切除标本中内皮抑素和VEGF的表达,分析它们与HCC发生、发展的关系.采用随机资料t检验、配对t检验、Pearson相关分析、LSD-t检验或Tamhane's-t检验对结果进行分析.结果 内皮抑素主要见于HCC肿瘤组织和癌旁组织的细胞质.肿瘤组织、癌旁组织及正常肝组织的平均光密度(MOD)分别为0.11±0.02、0.14-4±0.01、0.09±0.01,积分光密度(IOD)分别为(1.8±1.2)×10~4、(3.8±2.2)×10~4、(0.9±0.4)×10~4.肿瘤组织表达较癌旁组织弱,两者的MOD和IOD比较差异有统计学意义(t=2.032,7.927,P<0.05).VEGF主要见于肿瘤组织和癌旁组织的细胞质,肿瘤组织、癌旁组织及正常肝组织的MOD分别为0.13±0.02、0.12±0.02、0.11±0.02,IOD分别为(5.4±3.1)×10~4、(3.9±2.5)×10~4、(3.0±3.0)×10~4,肿瘤组织表达较癌旁组织强,两者的MOD和IOD比较差异有统计学意义(t=5.871,8.723,P<0.05).内皮抑素与术后复发时间呈正相关(r=0.669,P<0.05).VEGF不影响术后复发时间(t=0.892,P>0.05).结论 内皮抑素在肿瘤组织中表达增强,肿瘤组织表达较癌旁组织弱,与HCC预后有关,可作为HCC的预后判断指标.VEGF在肿瘤组织中表达增强,但无法作为HCC独立预后指标.     

基因-病毒治疗系统CNHK300-小鼠内皮抑素对裸鼠胃癌的抗肿瘤作用

目的探讨新构建的基因-病毒治疗系统CNHK300-小鼠内皮抑素murineendostatin（CNHK300-mE）对胃癌的抑制作用。方法通过胃癌SGC-7901细胞裸鼠皮下移植瘤模型观察该病毒治疗系统对胃癌生长和肿瘤血管生成的抑制作用。用电镜观察该病毒在肿瘤细胞中的复制情况及肿瘤细胞的超微结构改变。用酶联免疫吸附（ELISA）法检测mE基因在体内的表达。用免疫组织化学的方法检测腺病毒外壳蛋白六邻体（hexon）、增殖细胞核抗原（PCNA）及vWF因子相关抗原的表达情况。采用TUNEL法检测细胞凋亡。结果CNHK300-mE能在肿瘤细胞内复制,高表达mE,在第7天时,达到（2115±770）ng/ml（范围1745～3000ng/ml）;明显抑制胃癌皮下移植瘤的生长及瘤内的血管生成,并可引起胃癌细胞的凋亡[治疗组小鼠肿瘤细胞凋亡率（78.4±9.1）%,对照组仅（15.2±0.5）%,P〈0.01],抑制肿瘤细胞增殖[治疗组小鼠PCNA指数（55.0±1.4）%,对照组为（74.1±0.4）%,P〈0.05]。结论CNHK300-mE能在小鼠胃癌内增殖复制,高效表达mE基因,抑制胃癌生长。     

高生物安全性人内皮抑素载体抑瘤作用的研究

目的:探索利用内皮抑素(Endostatin)进行肿瘤抗血管基因治疗的效果与安全性.方法:以pVAX1为载体,构建含IgG γ链信号肽序列和Endostatin基因的重组载体pVAX-sEN.重组子经KpnI、EcoRI双酶切及测序鉴定.建立小鼠肝癌细胞H22动物模型,分别瘤内注射重组载体pVAX-sEN、空载体、生理盐水(NS),每周2次,测量肿瘤体积,ELISA检测肿瘤局部Endosatin的表达量,流式细胞术检测肿瘤细胞的凋亡.同时,100μg高剂量pVAX-sEN裸DNA注射实验动物,观察动物的一般状况,20d后处死动物取其内脏病理切片H-E染色.结果:测序结果表明正确构建了含有信号肽及Endostatin的真核表达载体.瘤内注射pVAX-sEN后,ELISA检测到实验组肿瘤局部Endostatin表达量为(201±3.1)ng/ml,而空载体及NS对照组瘤内未见Endostatin特异性表达;瘤体测量证明pVAX-sEN可以抑制肿瘤的生长,重组载体组肿瘤的平均体积为(0.4±0.3)cm3,显著低于对照组[空载体和NS对照组分别为(1.6±0.4)cm3、(1.9±0.6)cm3,P＜0.05］.pVAX-sEN可以增加肿瘤细胞的凋亡,实验组、空载体和NS对照组肿瘤细胞的凋亡率分别为(51.9±3.16)%、(24.6±4.43)%、(18.8±1.2)%,实验组与两组差异均有统计学意义(P＜0.01).高剂量pVAX-sEN注射小鼠后,一般状况良好,病理切片H-E染色未见炎症及其他损伤表现.结论:pVAX-sEN载体体内应用可显著抑制小鼠种植性H22肝癌的生长,促进肿瘤细胞凋亡,高剂量应用无可见毒副作用,是一种具有开发潜力的安全有效基因治疗载体.     

内皮抑素与肝癌

肝癌治疗失败的主要原因是转移和复发，而肿瘤的生长、转移和维持则依赖血管的新生。新生的血管不仅为肿瘤提供养料和氧气，运走代谢产生的废物，而且刺激肿瘤生长，提供肿瘤细胞转移的门户，促进肿瘤细胞浸润和转移。可以说，没有血管新生，就没有肿瘤的生长和转移。由于肿瘤组织这一生物学特点，抗肿瘤血管生成疗法已经成为治疗肿瘤的一种新策略。     

内皮抑素和血管抑素抑制类风湿关节炎血管发生的研究进展

血管发生在类风湿关节炎的病理过程中起着重要的作用.内皮抑素(ES)和血管抑素(AG)是内源性血管发生抑制剂,能特异地抑制血管内皮细胞的增殖和迁移、并诱导内皮细胞凋亡,从而发挥抗血管发生的作用.本文就它们的结构、作用机制以及对RA血管发生的影响进行综述.     

术前区域动脉灌注化疗对大肠癌患者血清血管内皮生长因子和内皮抑素的影响

目的研究术前区域动脉灌注化疗（PRAC）后大肠癌患者血清血管内皮生长因子（s—VEGF）、血清内皮抑素（s—endostatin）的变化。方法以酶联免疫吸附试验（ELISA）法检测22例大肠癌患者手术前后s—VEGF和s—endostatin的水平。结果大肠癌患者化疗前s—VEGF、s—endostatin水平与Dukes分期显著相关（P〈0．01）。在根治性手术组患者中，化疗前s-VEGF、s-endostatin水平明显高于化疗后7d、术后1d和术后14d（P〈0．05）。姑息性手术组仅有化疗前s-endostatin水平明显高于术后1d（P〈0．05）。结论PRAC可能通过抑制肿瘤血管生成而具有抗肿瘤作用；而化疗后s-endostatin的水平下降，提示联合应用化疗药物和抗血管生成制剂可能获得更好的抗肿瘤效果。     

内皮抑素对胃癌抑制作用的实验研究

目的　研究内皮抑素对胃癌生长和转移的抑制作用 ,并探讨其对胃癌细胞凋亡的影响。方法　建立人胃腺癌裸鼠原位种植转移模型。将 72只荷瘤裸鼠随机分成 4组 ,对照组 3 6只 ,治疗各组每组 12只。种植后第 1周开始皮下注射内皮抑素 ,隔天 1次 ,剂量为 0mg/kg(对照组 )、2 5mg/kg、10 0mg/kg、2 0 0mg/kg(治疗组 ) ,共用 7周。种植后第 8周处死动物 ,测量原位肿瘤体积、抑瘤率、肿瘤微血管密度 (MVD)、肿瘤细胞凋亡指数 (AI) ,观察肿瘤细胞腹膜、肝、其他脏器转移及腹水情况。结果　内皮抑素剂量为 0mg/kg、2 5mg/kg、10 0mg/kg、2 0 0mg/kg时 ,原位肿瘤体积分别为 ( 15 83±5 76)mm3、( 5 91± 3 84 )mm3、( 65 7± 4 3 1)mm3、( 1 89± 1 0 2 )mm3;抑瘤率分别为 0、62 7%、95 8%、99 9% ;MVD分别为 ( 13 70± 3 90 )、( 5 73± 2 3 6)、( 2 17± 1 2 8)、( 0 66± 0 2 5 ) ;AI分别为 ( 3 91±2 5 8) %、( 6 76± 5 0 3 ) %、( 18 92± 6 75 ) %、( 2 8 5 7± 10 3 4 ) % ;腹膜转移率分别为 87 1%、5 4 5 %、16 7%、0 ;肝转移率分别为 83 9%、2 7 3 %、8 3 %、0。治疗组与对照组相比 ,组间胃癌生长和转移的抑制作用差异有显著性意义 (t=3 1 77,P <0 0 5 ) ,且抑制作用与内皮抑素     

血管内皮生长因子和内皮抑素在人腹膜组织的表达及其与腹膜毛细血管新生的关系

目的 检测血管内皮生长因子（VEGF）和血管内皮抑素（ES）在人腹膜组织表达,探讨两者与腹膜血管新生之间的关系。 方法 取健康对照者、尿毒症非透析患者以及腹透患者的腹膜标本,用反转录聚合酶链反应（RT-PCR）检测VEGF和ES mRNA的表达;组织免疫组化染色检测VEGF和ES蛋白质水平的表达;CD34染色计数腹膜组织毛细血管密度（MVD）。 结果 各组腹膜均有VEGF及ES表达;健康对照组、尿毒症非透析组、腹透组VEGF mRNA的相对表达量依次为0.47±0.01、0.62±0.02、0.74±0.02。VEGF免疫组化染色阳性区平均灰度值依次为95.673±2.01、117.126±2.07、140.184±2.25。ES免疫组化染色阳性区平均灰度值依次为94.902±2.38、113.380±2.33、145.489±3.05。尿毒症非透析组、腹透组VEGF mRNA和蛋白表达水平及ES蛋白表达水平表达均高于健康对照组,且腹透组升高更为明显,差异均具有统计学意义（均P < 0.05）。3组ES在mRNA水平表达量依次为0.42±0.02、0.43±0.03、0.43±0.02,各组表达差异无统计学意义（P > 0.05）。3组腹膜MVD依次为3.05±0.45、5.98±0.47、9.62±0.49,尿毒症非透析组、腹透组均高于健康对照组,且腹透组增高更为明显,差异均具有统计学意义（均P < 0.05）。 结论 腹膜透析患者腹膜组织VEGF mRNA和蛋白表达水平升高,ES蛋白表达水平也升高,这可能在长期透析所致腹膜组织新生毛细血管形成过程中发挥一定作用。     

内皮抑素抑制膀胱癌皮下移植瘤生长及其机制的初步探讨

目的　探讨人内皮抑素对膀胱癌EJ细胞生长的作用及机制。　方法　 (1)体外实验观察内皮抑素对血管内皮细胞 (ECV30 4 )和膀胱癌EJ细胞生长的影响 ;(2 )EJ细胞移植入裸鼠皮下 ,观察内皮抑素对裸鼠皮下瘤生长情况的影响 ;(3)应用WesternBlot和RT PCR法观察皮下瘤组织中MMPs和TIMP 2的表达。　结果　 (1)内皮抑素具有抑制bFGF刺激后的内皮细胞ECV30 4及抑制EJ细胞增殖的作用 (P≤ 0 .0 5 ) ;(2 )治疗组皮下肿瘤质量 (0 .70± 0 .16 ) g ,对照组为 (1.14± 0 .2 1) g ,两组比较 ,差别有显著性意义 (P <0 .0 5 ) ;(3)人内皮抑素抑制裸鼠皮下膀胱癌瘤MMP 9mRNA表达 ,对MMP 2、TIMP 2、MT1 MMPmRNA表达无影响 ;(4)瘤组织中未检测到MMP 2、MMP 9和TIMP 2蛋白。　结论　人内皮抑素具有抑制膀胱肿瘤生长的作用 ,其作用机制与抑制MMP 9表达有关     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

目的 研究大鼠腹膜血管内皮抑素（endostatin, ES）基因及蛋白表达与腹膜血管新生的关系。 方法 32只雄性SD大鼠,按随机数字表法分为正常组、肾衰竭非透析组（非腹透组）、1.5%腹膜透析组（1.5% PD组）、4.25%腹膜透析组（4.25% PD组）,每组8只。PD组经规律PD 28 d后,取各组大鼠新鲜腹膜组织,用RT-PCR检测ES mRNA表达;用组织免疫组化染色检测ES蛋白表达;以CD34染色观察腹膜组织毛细血管密度（MVD）。 结果 各组均有ES mRNA表达,正常组为0.47±0.05;非腹透组为0.45±0.04;1.5% PD组为0.46±0.04;4.25% PD组为0.47±0.03;各组表达差异无统计学意义。正常组ES蛋白表达积分0分;非腹透组积分2分;1.5%PD组积分4分;4.25%PD组呈高表达,积分9分。正常组MVD为3.13±1.13;非腹透组为5.13±1.14;1.5%PD组为9.00±1.51;4.25%PD组为10.75±1.83;组间差异均有统计学意义（P < 0.05）。 结论 尿毒症状态和非生理性腹透液刺激可使大鼠腹膜组织ES蛋白表达升高,其在长期透析所致腹膜组织毛细血管生成增多中可能发挥一定的作用。     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.     

内皮抑素在大鼠腹膜的表达及其与腹膜血管新生的关系

Objective To investigate the expression of endostatin (ES) in rat peritoneum and its association with peritoneal neoangiogensis. Methods Thirty-two male SD rats were randomly divided into 4 groups: normal control rats (C group), renal failure without PD rats (non-PD group), rats dialyzed with 1.5% PD solution (1.5% PD group) and 4.25% PD solution (4.25% PD group). After regular PD for 28 days, mRNA and protein expression of ES in peritoneal tissues of each group were detected by RT-PCR and immunohistochemistry respectively. Microvessel density (MVD) of peritoneal tissue was assessed using immunohistochemistry with CD34 monoclonal antibody. Results ES mRNA was expressed in each group, 0.47±0.05 in C group, 0.45±0.04 in non-PD group, 0.46±0.04 in 1.5%PD group, 0.47±0.03 in 4.25%PD group, and no significant differences were found among groups. Score of ES protein expression was O in C group, 2 in non-PD group, 4 in 1.5%PD group, and 9 in 4.25%PD group. MVD was 3.13±1.13 in C group, 5.13±1.14 in non-PD group, 9.00±1.51 in 1.5%PD group, 10.75±1.83 in 4.25%PD group, and significant differences were found among groups. Conclusion Uremia circumstance and non-physiological compatibility peritoneal dialysate can increase ES protein expression and MVD, which may participate in and have effects on the course of peritoneal neoangiogensis.