Objective:To explore the expression of CD151 in gastric cancer tissues and its clinical significance.Methods:Immunohistochemistry was employed to detect the expression of CD151 in gastric cancer tissues and adjacent n...Objective:To explore the expression of CD151 in gastric cancer tissues and its clinical significance.Methods:Immunohistochemistry was employed to detect the expression of CD151 in gastric cancer tissues and adjacent normal tissues.The relationship between CD151 expression and the clinicopathological characteristics of gastric cancer was analyzed.Results:The expression of CD151 in gastric cancer tissues was significantly higher than in adjacent normal tissues(P<0.05).It was associated with the degree of differentiation,depth of invasion,lymph node metastasis,and TNM staging of gastric cancer.The survival time of patients with high CD151 expression was significantly shorter than that of those with low expression(P<0.05).Conclusion:High expression of CD151 in gastric cancer tissues is correlated with the malignant biological behavior of gastric cancer and can serve as an indicator for evaluating the prognosis of gastric cancer.展开更多
针对烟草属特异性基因Ntsp151序列保守区设计环介导等温扩增(LAMP)引物,基于SYBR Green I荧光染料对烟草材料进行可视化LAMP检测,对检测过程中的DNA提取方法和反应条件进行优化,并对LAMP反应体系的特异性和灵敏度进行评价。结果表明:使...针对烟草属特异性基因Ntsp151序列保守区设计环介导等温扩增(LAMP)引物,基于SYBR Green I荧光染料对烟草材料进行可视化LAMP检测,对检测过程中的DNA提取方法和反应条件进行优化,并对LAMP反应体系的特异性和灵敏度进行评价。结果表明:使用Chelex-100提取的DNA可以直接进行LAMP扩增反应,显色效果较好;LAMP最适反应条件为扩增温度63℃、反应时间60 min、Mg^(2+)浓度6 mmol/L;LAMP对17份非烟草材料和1份烟草材料基因组DNA的扩增显色结果与荧光值的检测结果一致,具有较好的特异性,其最低检测限为10^(2) copies/μL。基于烟草属特异性基因Ntsp151的LAMP检测结果可视化强,且灵敏度高、特异性强,适用于现场抽检。展开更多
文摘Objective:To explore the expression of CD151 in gastric cancer tissues and its clinical significance.Methods:Immunohistochemistry was employed to detect the expression of CD151 in gastric cancer tissues and adjacent normal tissues.The relationship between CD151 expression and the clinicopathological characteristics of gastric cancer was analyzed.Results:The expression of CD151 in gastric cancer tissues was significantly higher than in adjacent normal tissues(P<0.05).It was associated with the degree of differentiation,depth of invasion,lymph node metastasis,and TNM staging of gastric cancer.The survival time of patients with high CD151 expression was significantly shorter than that of those with low expression(P<0.05).Conclusion:High expression of CD151 in gastric cancer tissues is correlated with the malignant biological behavior of gastric cancer and can serve as an indicator for evaluating the prognosis of gastric cancer.