Objective To study the expressions of p27,cyclinE and analysis it s meaning in breast carcinoma.Methods By using tissue chip tech-nique creating80c ases breast carcinoma tissue chip.at the same time using the S-P immu...Objective To study the expressions of p27,cyclinE and analysis it s meaning in breast carcinoma.Methods By using tissue chip tech-nique creating80c ases breast carcinoma tissue chip.at the same time using the S-P immunohis-to chemical methods,the expressions of p27and cy-clinE in breast carcinoma tissue chip was studied.Results The positive rates of p27and cyclinE were38.8%and52.5%i n80cases breast carcino-ma respectively.A significant correlation was found be tween the lowexpression of p27,overexpression of cyclinE and metastasis of lymph node in breast carcinoma.A significant correlation was found be-tween the lowe xpression of p27and overexpression of cyclinE in breast carcinoma.Conclusion The expression of p27and cyclinE might be considered to be a reference indicator f or prognosis of breast carcinoma.The lowexpression of p27has an ability to effec t the overexpression of cyclinE in breast carcinoma.It is feasible to utilize ti ssue chip for a rapid,economic and accurate screening of clinical tissue specime ns on a large scale.展开更多
目的探讨绿茶提取物表没食子儿茶素没食子酸酯(epigallocatechin-3-gallate,EGCG)对乙醇诱导学习记忆功能障碍的作用及机制。方法以SD大鼠为实验对象建立乙醇性痴呆(ADD)大鼠模型,实验设对照组和EGCG组,每组15只,EGCG组在乙醇灌胃前1个...目的探讨绿茶提取物表没食子儿茶素没食子酸酯(epigallocatechin-3-gallate,EGCG)对乙醇诱导学习记忆功能障碍的作用及机制。方法以SD大鼠为实验对象建立乙醇性痴呆(ADD)大鼠模型,实验设对照组和EGCG组,每组15只,EGCG组在乙醇灌胃前1个月起给予EGCG(1 mg/mL)自由饮水至乙醇灌胃结束,对照组给予蒸馏水代替。观察两组大鼠Morris水迷宫行为,HE染色观察大鼠海马组织形态改变及Hoechst33342染色检测细胞凋亡,荧光实时定量PCR检测抗凋亡因子B淋巴细胞瘤-2蛋白(B-cell lymphoma-2, BCL2)、促凋亡因子BCL2-相关X蛋白(BCL2-associated X, BAX)表达及抗氧化酶和总超氧化物歧化酶(total superoxide dismutase,T-SOD)和谷胱甘肽过氧化物酶(glutathione peroxidase,GSH-Px)活性。结果与灌胃后对照组相比,灌胃后EGCG组大鼠逃避潜伏期时间缩短[(35.22±6.29)s vs.(19.55±3.45)s,t=2.183,P=0.049]、穿越平台次数增加(2.57±0.65 vs. 5.43±0.69,t=3.027,P=0.015)、第四象限路程/总路程(22.50±2.33 vs. 36.71±5.16,t=2.512,P=0.027)及第四象限时间/总时间百分比(24.55±1.79 vs. 37.39±5.57,t=2.194,P=0.049)增高,提示其学习记忆功能损害得到改善;EGCG组大鼠海马形态结构破坏明显减轻及凋亡细胞减少;EGCG组大鼠海马组织中BCL2表达(0.31±0.20 vs. 0.71±0.36,t=23.886,P=0.000)明显增高,BAX表达(4.92±0.35 vs. 2.01±0.10,t=19.643,P=0.000)明显降低;EGCG组大鼠海马组织中抗氧化酶T-SOD(7.03±0.35 vs. 17.41±0.19,t=64.911,P=0.000)和GSH-Px(2.27±0.03 vs. 6.11±0.27,t=34.579,P=0.000)的酶活性明显增高。结论 EGCG对乙醇诱导学习记忆功能障碍具有一定的改善作用,其机制可能与抑制海马神经细胞凋亡及抗氧化应激损伤有关。展开更多
目的研究肺癌组织中泛素(Ubiquitin)、S期激酶相关蛋白2(S-phase kinase-associated protein 2,Skp2)及细胞周期调控因子p27的表达及其意义。方法采用组织芯片技术制作80例肺癌组织芯片,同时用S-P免疫组织化学方法检测肺癌组织芯片中Ubi...目的研究肺癌组织中泛素(Ubiquitin)、S期激酶相关蛋白2(S-phase kinase-associated protein 2,Skp2)及细胞周期调控因子p27的表达及其意义。方法采用组织芯片技术制作80例肺癌组织芯片,同时用S-P免疫组织化学方法检测肺癌组织芯片中Ubiquitin、Skp2及p27的表达。结果80例肺癌中Ubiquitin、Skp2和p27的阳性率分别为45.0%、48.8%、38.8%。Ubiquitin、Skp2、p27的表达与肺癌的组织学类型无关Skp2高表达、p27低表达与肺癌的淋巴结转移有关,肺癌组织中Ubiquitin、Skp9高表达与p27低表达密切相关。结论Skp2和p27的表达水平可以作为评估肺癌预后的参考指标。展开更多
目的:探讨CD30在EBV阳性弥漫性大B细胞淋巴瘤(EBV-positive diffuse large B-cell lymphoma,EBV+DLBCL)中的表达及预后意义。方法:回顾性分析322例DLBCL中EBV+DLBCL与EBV-DLBCL病例临床病理参数之间的关系,以及CD30在EBV+DLBCL中的表达...目的:探讨CD30在EBV阳性弥漫性大B细胞淋巴瘤(EBV-positive diffuse large B-cell lymphoma,EBV+DLBCL)中的表达及预后意义。方法:回顾性分析322例DLBCL中EBV+DLBCL与EBV-DLBCL病例临床病理参数之间的关系,以及CD30在EBV+DLBCL中的表达及预后意义。结果:CD30在EBV+DLBCL病例中的表达多于EBV-DLBCL病例(P=0.002);EBV-DLBCL中双表达的病例多于EBV+DLBCL(P=0.044);在63例EBV+DLBCL中,CD30阳性表达多见于B症状患者(P=0.015);另外有2例EBV+DLBCL病例出现BCL6基因重排。随访139例患者中,共表达CD30和EBER的患者预后较差(P=0.002);在EBV+DLBCL中,CD30阳性提示预后更差(P=0.028)。结论:CD30在EBV+DLBCL病例中具有较高的表达率,且与患者不良预后相关,进一步为靶向药物的使用提供理论依据。展开更多
文摘Objective To study the expressions of p27,cyclinE and analysis it s meaning in breast carcinoma.Methods By using tissue chip tech-nique creating80c ases breast carcinoma tissue chip.at the same time using the S-P immunohis-to chemical methods,the expressions of p27and cy-clinE in breast carcinoma tissue chip was studied.Results The positive rates of p27and cyclinE were38.8%and52.5%i n80cases breast carcino-ma respectively.A significant correlation was found be tween the lowexpression of p27,overexpression of cyclinE and metastasis of lymph node in breast carcinoma.A significant correlation was found be-tween the lowe xpression of p27and overexpression of cyclinE in breast carcinoma.Conclusion The expression of p27and cyclinE might be considered to be a reference indicator f or prognosis of breast carcinoma.The lowexpression of p27has an ability to effec t the overexpression of cyclinE in breast carcinoma.It is feasible to utilize ti ssue chip for a rapid,economic and accurate screening of clinical tissue specime ns on a large scale.
文摘目的探讨绿茶提取物表没食子儿茶素没食子酸酯(epigallocatechin-3-gallate,EGCG)对乙醇诱导学习记忆功能障碍的作用及机制。方法以SD大鼠为实验对象建立乙醇性痴呆(ADD)大鼠模型,实验设对照组和EGCG组,每组15只,EGCG组在乙醇灌胃前1个月起给予EGCG(1 mg/mL)自由饮水至乙醇灌胃结束,对照组给予蒸馏水代替。观察两组大鼠Morris水迷宫行为,HE染色观察大鼠海马组织形态改变及Hoechst33342染色检测细胞凋亡,荧光实时定量PCR检测抗凋亡因子B淋巴细胞瘤-2蛋白(B-cell lymphoma-2, BCL2)、促凋亡因子BCL2-相关X蛋白(BCL2-associated X, BAX)表达及抗氧化酶和总超氧化物歧化酶(total superoxide dismutase,T-SOD)和谷胱甘肽过氧化物酶(glutathione peroxidase,GSH-Px)活性。结果与灌胃后对照组相比,灌胃后EGCG组大鼠逃避潜伏期时间缩短[(35.22±6.29)s vs.(19.55±3.45)s,t=2.183,P=0.049]、穿越平台次数增加(2.57±0.65 vs. 5.43±0.69,t=3.027,P=0.015)、第四象限路程/总路程(22.50±2.33 vs. 36.71±5.16,t=2.512,P=0.027)及第四象限时间/总时间百分比(24.55±1.79 vs. 37.39±5.57,t=2.194,P=0.049)增高,提示其学习记忆功能损害得到改善;EGCG组大鼠海马形态结构破坏明显减轻及凋亡细胞减少;EGCG组大鼠海马组织中BCL2表达(0.31±0.20 vs. 0.71±0.36,t=23.886,P=0.000)明显增高,BAX表达(4.92±0.35 vs. 2.01±0.10,t=19.643,P=0.000)明显降低;EGCG组大鼠海马组织中抗氧化酶T-SOD(7.03±0.35 vs. 17.41±0.19,t=64.911,P=0.000)和GSH-Px(2.27±0.03 vs. 6.11±0.27,t=34.579,P=0.000)的酶活性明显增高。结论 EGCG对乙醇诱导学习记忆功能障碍具有一定的改善作用,其机制可能与抑制海马神经细胞凋亡及抗氧化应激损伤有关。
文摘目的研究肺癌组织中泛素(Ubiquitin)、S期激酶相关蛋白2(S-phase kinase-associated protein 2,Skp2)及细胞周期调控因子p27的表达及其意义。方法采用组织芯片技术制作80例肺癌组织芯片,同时用S-P免疫组织化学方法检测肺癌组织芯片中Ubiquitin、Skp2及p27的表达。结果80例肺癌中Ubiquitin、Skp2和p27的阳性率分别为45.0%、48.8%、38.8%。Ubiquitin、Skp2、p27的表达与肺癌的组织学类型无关Skp2高表达、p27低表达与肺癌的淋巴结转移有关,肺癌组织中Ubiquitin、Skp9高表达与p27低表达密切相关。结论Skp2和p27的表达水平可以作为评估肺癌预后的参考指标。
文摘目的:探讨CD30在EBV阳性弥漫性大B细胞淋巴瘤(EBV-positive diffuse large B-cell lymphoma,EBV+DLBCL)中的表达及预后意义。方法:回顾性分析322例DLBCL中EBV+DLBCL与EBV-DLBCL病例临床病理参数之间的关系,以及CD30在EBV+DLBCL中的表达及预后意义。结果:CD30在EBV+DLBCL病例中的表达多于EBV-DLBCL病例(P=0.002);EBV-DLBCL中双表达的病例多于EBV+DLBCL(P=0.044);在63例EBV+DLBCL中,CD30阳性表达多见于B症状患者(P=0.015);另外有2例EBV+DLBCL病例出现BCL6基因重排。随访139例患者中,共表达CD30和EBER的患者预后较差(P=0.002);在EBV+DLBCL中,CD30阳性提示预后更差(P=0.028)。结论:CD30在EBV+DLBCL病例中具有较高的表达率,且与患者不良预后相关,进一步为靶向药物的使用提供理论依据。
