Metastasis-associated in colon cancer-1(MACC1) is an oncogene that was first identified in colon cancer. The upstream and downstream of MACC1 form a delicate regulatory network that supports its tumorigenic role in ca...Metastasis-associated in colon cancer-1(MACC1) is an oncogene that was first identified in colon cancer. The upstream and downstream of MACC1 form a delicate regulatory network that supports its tumorigenic role in cancers. Multiple functions of MACC1 have been discovered in many cancers. In gastric cancer(GC), MACC1 has been shown to be involved in oncogenesis and t umor progression. MACC1 overexpression adversely affects the clinical outcomes of GC patients. Regarding the mechanism of action of MACC1 in GC, studies have shown that it promotes the epithelialto-mesenchymal transition and accelerates cancer metastasis. MACC1 is involved in many hallmarks of GC in addition to metastasis. MACC1 promotes vasculogenic mimicry(VM) via TWIST1/2, and VM increases the tumor blood supply, which is necessary for tumor progression. MACC1 also facilitates GC lymphangiogenesis by upregulating extracellular secretion of VEGF-C/D, indicating that MACC1 may be an important player in GC lymphatic dissemination. Additionally, MACC1 supports GC growth under metabolic stress by enhancing the Warburg effect. In conclusion, MACC1 participates in multiple biological processes inside and outside of GC cells, making it an important mediator of the tumor microenvironment.展开更多
目的探讨MACC1(metastasis-associated in colon cancer-1)蛋白在肝细胞癌中的表达水平及其与患者预后之间的关系。方法免疫组化法检测MACC1蛋白在30例不同恶性程度的肝细胞癌中细胞分布特点;Western blot检测70例肝癌及其相对应的癌旁...目的探讨MACC1(metastasis-associated in colon cancer-1)蛋白在肝细胞癌中的表达水平及其与患者预后之间的关系。方法免疫组化法检测MACC1蛋白在30例不同恶性程度的肝细胞癌中细胞分布特点;Western blot检测70例肝癌及其相对应的癌旁肝组织,30例正常肝组织中的MACC1蛋白的表达水平;随访分析不同患者的预后转归。结果免疫组化检测MACC1蛋白在肝细胞肝癌中阳性表达率为93.3%(28/30),Edmonson病理分级Ⅰ+Ⅱ和Ⅲ+Ⅳ级肝癌组织中MACC1核阳性表达率分别为26.3%、77.8%(5/19、7/9,P=0.031)。MACC1蛋白在肝癌组织、癌旁组织和正常肝组织中的相对灰度值分别为(1.33±1.17)、(0.59±0.57)、(0.003±0.001)(P=0.034)。高表达MACC1蛋白组和低表达组术后3年生存率分别为43.35%、73.45%(P=0.017)。结论 MACC1蛋白的表达异常与患者预后密切相关,联合检测MACC1蛋白的表达水平,对于指导临床治疗具有重要意义。展开更多
目的探讨肝细胞癌组织结肠癌转移相关基因1(metastasis-associated in colon cancer 1,MACC1)的表达及其临床意义。方法采用免疫组化测定108例病理确诊肝细胞癌患者的肝癌组织和癌旁无瘤肝组织中的MACC1蛋白表达情况,实时荧光定量PCR检...目的探讨肝细胞癌组织结肠癌转移相关基因1(metastasis-associated in colon cancer 1,MACC1)的表达及其临床意义。方法采用免疫组化测定108例病理确诊肝细胞癌患者的肝癌组织和癌旁无瘤肝组织中的MACC1蛋白表达情况,实时荧光定量PCR检测30例肝癌组织、癌旁组织以及20例正常肝组织中MACC1 mRNA的表达,分析肝癌组织中MACC1的表达水平与临床病理因素及预后的关系。结果免疫组化结果显示,肝癌组织中MACC1蛋白表达的阳性率为49.1%(53/108),高于癌旁肝组织34.2%(37/108,P=0.011);实时荧光定量PCR结果显示,MACC1mRNA在肝癌组织中的表达高于癌旁肝组织及正常肝组织(P<0.001)。单因素方差分析表明肝癌组织中MACC1的表达与肿瘤大小、有无包膜及病理分型密切相关(P<0.05)。生存分析表明MACC1阳性患者的1年、3年和5年总体生存率分别为0.650、0.492和0.280,而MACC1阴性患者1年、3年和5年总体生存率分别0.799、0.684和0.566,差异有统计学意义(P=0.006)。结论肝癌组织中MACC1的表达与肝癌的恶性演变及患者的临床预后密切相关,MACC1有望成为判断肝癌患者临床预后的重要分子,且有可能成为肝癌分子靶向治疗的新靶点。展开更多
目的:探讨浆液性卵巢癌中血管生成抑制蛋白-1(vasohibin-1)、结肠癌转移相关蛋白1(metastasis-associated in colon cancer-1,MACC1)和抗癌1号蛋白(KAI1)表达之间的关系及其临床意义。方法:收集124例卵巢浆液性癌(卵巢浆液性癌组)和30...目的:探讨浆液性卵巢癌中血管生成抑制蛋白-1(vasohibin-1)、结肠癌转移相关蛋白1(metastasis-associated in colon cancer-1,MACC1)和抗癌1号蛋白(KAI1)表达之间的关系及其临床意义。方法:收集124例卵巢浆液性癌(卵巢浆液性癌组)和30例卵巢浆液性囊腺瘤(卵巢浆液性囊腺瘤组)术后组织标本,采用免疫组织化学ElivisionTM法检测所有肿瘤组织中vasohibin-1,MACC1和KAI1蛋白的表达情况。结果:卵巢浆液性癌组vasohibin-1和MACC1蛋白的阳性表达率分别为48.4%和58.1%,均高于卵巢浆液性囊腺瘤组(分别为10.0%和13.3%);而卵巢浆液性癌组KAI1蛋白阳性表达率为33.9%,低于浆液性囊腺瘤组(86.7%),差异均有统计学意义(均P<0.05);3种蛋白的表达与浆液性卵巢癌的病理组织学分级、国际妇产科联盟(Federation International of Gynecology and Obstetrics,FIGO)分期以及盆腔淋巴结转移有关(均P<0.05);KAI1蛋白的表达与vasohibin-1和MACC1的表达呈负相关(r值分别为–0.500和–0.600,均P<0.01),同时,vasohibin-1与MACC1蛋白的表达呈正相关(r=0.518,P<0.01)。Kaplan-Meier生存分析表明:vasohibin-1和MACC1的过表达以及KAI1的低表达均与患者的生存率有关,vasohibin-1和MACC1表达阳性及KAI1表达阴性的患者生存率明显低于vasohibin-1和MACC1表达阴性及KAI1表达阳性的患者(均P<0.05)。多因素分析表明:FIGO分期、vasohibin-1和KAI1蛋白的表达是影响浆液性卵巢癌根治术后患者预后的独立因素(RR值分别为2.185,3.893,0.413;95% CI分别为1.263~3.779,2.190~6.921,0.251~0.681;均P<0.05)。结论:浆液性卵巢癌组织中vasohibin-1和MACC1的表达上调以及KAI1的表达下调与肿瘤的分化程度、临床分期、转移和预后等因素相关,这些指标的联合检测可作为判断浆液性卵巢癌患者肿瘤演进及生存预后的重要指标。展开更多
文摘Metastasis-associated in colon cancer-1(MACC1) is an oncogene that was first identified in colon cancer. The upstream and downstream of MACC1 form a delicate regulatory network that supports its tumorigenic role in cancers. Multiple functions of MACC1 have been discovered in many cancers. In gastric cancer(GC), MACC1 has been shown to be involved in oncogenesis and t umor progression. MACC1 overexpression adversely affects the clinical outcomes of GC patients. Regarding the mechanism of action of MACC1 in GC, studies have shown that it promotes the epithelialto-mesenchymal transition and accelerates cancer metastasis. MACC1 is involved in many hallmarks of GC in addition to metastasis. MACC1 promotes vasculogenic mimicry(VM) via TWIST1/2, and VM increases the tumor blood supply, which is necessary for tumor progression. MACC1 also facilitates GC lymphangiogenesis by upregulating extracellular secretion of VEGF-C/D, indicating that MACC1 may be an important player in GC lymphatic dissemination. Additionally, MACC1 supports GC growth under metabolic stress by enhancing the Warburg effect. In conclusion, MACC1 participates in multiple biological processes inside and outside of GC cells, making it an important mediator of the tumor microenvironment.
文摘目的探讨肝细胞癌组织结肠癌转移相关基因1(metastasis-associated in colon cancer 1,MACC1)的表达及其临床意义。方法采用免疫组化测定108例病理确诊肝细胞癌患者的肝癌组织和癌旁无瘤肝组织中的MACC1蛋白表达情况,实时荧光定量PCR检测30例肝癌组织、癌旁组织以及20例正常肝组织中MACC1 mRNA的表达,分析肝癌组织中MACC1的表达水平与临床病理因素及预后的关系。结果免疫组化结果显示,肝癌组织中MACC1蛋白表达的阳性率为49.1%(53/108),高于癌旁肝组织34.2%(37/108,P=0.011);实时荧光定量PCR结果显示,MACC1mRNA在肝癌组织中的表达高于癌旁肝组织及正常肝组织(P<0.001)。单因素方差分析表明肝癌组织中MACC1的表达与肿瘤大小、有无包膜及病理分型密切相关(P<0.05)。生存分析表明MACC1阳性患者的1年、3年和5年总体生存率分别为0.650、0.492和0.280,而MACC1阴性患者1年、3年和5年总体生存率分别0.799、0.684和0.566,差异有统计学意义(P=0.006)。结论肝癌组织中MACC1的表达与肝癌的恶性演变及患者的临床预后密切相关,MACC1有望成为判断肝癌患者临床预后的重要分子,且有可能成为肝癌分子靶向治疗的新靶点。
文摘目的:探讨浆液性卵巢癌中血管生成抑制蛋白-1(vasohibin-1)、结肠癌转移相关蛋白1(metastasis-associated in colon cancer-1,MACC1)和抗癌1号蛋白(KAI1)表达之间的关系及其临床意义。方法:收集124例卵巢浆液性癌(卵巢浆液性癌组)和30例卵巢浆液性囊腺瘤(卵巢浆液性囊腺瘤组)术后组织标本,采用免疫组织化学ElivisionTM法检测所有肿瘤组织中vasohibin-1,MACC1和KAI1蛋白的表达情况。结果:卵巢浆液性癌组vasohibin-1和MACC1蛋白的阳性表达率分别为48.4%和58.1%,均高于卵巢浆液性囊腺瘤组(分别为10.0%和13.3%);而卵巢浆液性癌组KAI1蛋白阳性表达率为33.9%,低于浆液性囊腺瘤组(86.7%),差异均有统计学意义(均P<0.05);3种蛋白的表达与浆液性卵巢癌的病理组织学分级、国际妇产科联盟(Federation International of Gynecology and Obstetrics,FIGO)分期以及盆腔淋巴结转移有关(均P<0.05);KAI1蛋白的表达与vasohibin-1和MACC1的表达呈负相关(r值分别为–0.500和–0.600,均P<0.01),同时,vasohibin-1与MACC1蛋白的表达呈正相关(r=0.518,P<0.01)。Kaplan-Meier生存分析表明:vasohibin-1和MACC1的过表达以及KAI1的低表达均与患者的生存率有关,vasohibin-1和MACC1表达阳性及KAI1表达阴性的患者生存率明显低于vasohibin-1和MACC1表达阴性及KAI1表达阳性的患者(均P<0.05)。多因素分析表明:FIGO分期、vasohibin-1和KAI1蛋白的表达是影响浆液性卵巢癌根治术后患者预后的独立因素(RR值分别为2.185,3.893,0.413;95% CI分别为1.263~3.779,2.190~6.921,0.251~0.681;均P<0.05)。结论:浆液性卵巢癌组织中vasohibin-1和MACC1的表达上调以及KAI1的表达下调与肿瘤的分化程度、临床分期、转移和预后等因素相关,这些指标的联合检测可作为判断浆液性卵巢癌患者肿瘤演进及生存预后的重要指标。