目的:我们的实验旨在探讨T淋巴瘤侵袭转移基因1(T-cell lymphoma invasion and metastasis1,Tiam1)与结肠癌淋巴管生成的关系。方法:应用SP免疫组化法检测50例经4%甲醛固定、石蜡包埋结肠癌组织中Ti-am1、VEGF-C/D以及淋巴管密度(LMVD)...目的:我们的实验旨在探讨T淋巴瘤侵袭转移基因1(T-cell lymphoma invasion and metastasis1,Tiam1)与结肠癌淋巴管生成的关系。方法:应用SP免疫组化法检测50例经4%甲醛固定、石蜡包埋结肠癌组织中Ti-am1、VEGF-C/D以及淋巴管密度(LMVD)的表达情况。结果:Tiam1阳性表达组VEGF-C阳性率为64.3%,Ti-am1阴性表达组VEGF-C阳性率为25.0%,二者差异有统计学意义,P=0.039;Tiam1阳性表达组LMVD为11.35±3.34,Tiam1阴性表达组LMVD为7.38±2.27,二者差异有统计学意义,P=0.002。结论:Tiam1过量表达可能与结肠癌淋巴管生成有关。展开更多
AIM:To explore the model of methotrexate(MTX)-induced mic e oral mucosa lesions METHOD:A total of 282 mice were randomly d ivided into seven groups as follows:control,MTX10,20,30,40,50,75 mg/ml The physiological salin...AIM:To explore the model of methotrexate(MTX)-induced mic e oral mucosa lesions METHOD:A total of 282 mice were randomly d ivided into seven groups as follows:control,MTX10,20,30,40,50,75 mg/ml The physiological saline solution (05 ml) was ip injecte d into mice in control group The dose of MTX (05 ml) was ip injected int o mic e in other groups only once During 10 consecutive days after administration of MTX,3 mice were sacrificed in each day in all the groups and the patholog ical chang es of oral mucosa were examed under the optical microscope RE SULT: The incidence(45%～63%) and the integral rate(194%～56%) of mice ora l mu cosa lesions in group of intermediate-dose MTX (IDMTX) (20～40 mg/kg) were sign ifi cantly higher than those in other groups The death rate (not more than 5%) in group of IDMTX was lower than that in other groups CONCLUSION:As a result of induction of higher lesion rate and lower death rate of mice oral mucosa by IDMTX (2 0～40 mg/kg),the model of IDMTX-induced oral mucosa lesion could be applie d into clinical or basic展开更多
文摘目的:我们的实验旨在探讨T淋巴瘤侵袭转移基因1(T-cell lymphoma invasion and metastasis1,Tiam1)与结肠癌淋巴管生成的关系。方法:应用SP免疫组化法检测50例经4%甲醛固定、石蜡包埋结肠癌组织中Ti-am1、VEGF-C/D以及淋巴管密度(LMVD)的表达情况。结果:Tiam1阳性表达组VEGF-C阳性率为64.3%,Ti-am1阴性表达组VEGF-C阳性率为25.0%,二者差异有统计学意义,P=0.039;Tiam1阳性表达组LMVD为11.35±3.34,Tiam1阴性表达组LMVD为7.38±2.27,二者差异有统计学意义,P=0.002。结论:Tiam1过量表达可能与结肠癌淋巴管生成有关。
文摘AIM:To explore the model of methotrexate(MTX)-induced mic e oral mucosa lesions METHOD:A total of 282 mice were randomly d ivided into seven groups as follows:control,MTX10,20,30,40,50,75 mg/ml The physiological saline solution (05 ml) was ip injecte d into mice in control group The dose of MTX (05 ml) was ip injected int o mic e in other groups only once During 10 consecutive days after administration of MTX,3 mice were sacrificed in each day in all the groups and the patholog ical chang es of oral mucosa were examed under the optical microscope RE SULT: The incidence(45%～63%) and the integral rate(194%～56%) of mice ora l mu cosa lesions in group of intermediate-dose MTX (IDMTX) (20～40 mg/kg) were sign ifi cantly higher than those in other groups The death rate (not more than 5%) in group of IDMTX was lower than that in other groups CONCLUSION:As a result of induction of higher lesion rate and lower death rate of mice oral mucosa by IDMTX (2 0～40 mg/kg),the model of IDMTX-induced oral mucosa lesion could be applie d into clinical or basic
