目的探讨分裂相关增强子1(Hairy and enhancer of split related protein 1,HESR-1)、细胞分裂周期蛋白25同源蛋白C(Cell division cycle 25C,CDC25C)在直肠癌组织中的表达及其临床意义。方法选择166例行根治性手术的直肠癌患者为研究对...目的探讨分裂相关增强子1(Hairy and enhancer of split related protein 1,HESR-1)、细胞分裂周期蛋白25同源蛋白C(Cell division cycle 25C,CDC25C)在直肠癌组织中的表达及其临床意义。方法选择166例行根治性手术的直肠癌患者为研究对象,采用免疫组织化学法检测癌组织及癌旁组织中HESR-1和CDC25C的表达,收集患者临床病理参数并进行随访,分析HESR-1和CDC25C表达对直肠癌患者临床病理参数及预后的影响。结果肠癌组织中CDC25C、HESR-1的阳性率均高于癌旁组织(46.9%vs 12.6%,41.6%vs 7.6%),差异有统计学意义(P<0.05)。在癌组织中,CDC25C mRNA与HESR-1 mRNA的表达呈正相关(r=0.862,P=0.003)。癌组织CDC25C及HESR-1表达阳性患者的肿瘤直径和淋巴结转移率均高于表达阴性者(P<0.05)。Cox多因素分析结果显示,肿瘤直径、淋巴结转移、CDC25C阳性及HESR-1阳性是影响直肠癌患者预后的独立危险因素(P<0.05)。结论HESR-1和CDC25C在直肠癌组织中表达升高,且与患者预后密切相关。展开更多
Temporal lobe epilepsy is associated with astrogliosis. Notchl signaling can induce astrogliosis in glioma. However, it remains unknown whether Notchl signaling is involved in the pathogenesis of epilepsy. This study ...Temporal lobe epilepsy is associated with astrogliosis. Notchl signaling can induce astrogliosis in glioma. However, it remains unknown whether Notchl signaling is involved in the pathogenesis of epilepsy. This study investigated the presence of Notchl, hairy and enhancer of split-l, and glial fibrillary acidic protein in the temporal neocortex and hippocampus of lithium-pilocar- pine-treated rats. The presence of Notchl and hairy and enhancer of split-1 was also explored in brain tissues of patients with intractable temporal lobe epilepsy. Quantitative electroencephalo- gram analysis and behavioral observations were used as auxiliary measures. Results revealed that the presence of Notchl, hairy and enhancer of split-l, and glial fibriUary acidic protein were en- hanced in status epilepticus and vehicle-treated spontaneous recurrent seizures rats, but remain unchanged in the following groups： control, absence of either status epilepticus or spontaneous recurrent seizures, and zileuton-treated spontaneous recurrent seizures. Compared with patient control cases, the presences of Notch1 and hairy and enhancer of split- 1 were upregulated in the temporal neocortex of patients with intractable temporal lobe epilepsy. Therefore, these results suggest that Notchl signaling may play an important role in the onset of temporal lobe epilepsy via astrogliosis. Furthermore, zileuton may be a potential therapeutic strategy for temporal lobe epilepsy by blocking Notchl signaling.展开更多
文摘目的探讨分裂相关增强子1(Hairy and enhancer of split related protein 1,HESR-1)、细胞分裂周期蛋白25同源蛋白C(Cell division cycle 25C,CDC25C)在直肠癌组织中的表达及其临床意义。方法选择166例行根治性手术的直肠癌患者为研究对象,采用免疫组织化学法检测癌组织及癌旁组织中HESR-1和CDC25C的表达,收集患者临床病理参数并进行随访,分析HESR-1和CDC25C表达对直肠癌患者临床病理参数及预后的影响。结果肠癌组织中CDC25C、HESR-1的阳性率均高于癌旁组织(46.9%vs 12.6%,41.6%vs 7.6%),差异有统计学意义(P<0.05)。在癌组织中,CDC25C mRNA与HESR-1 mRNA的表达呈正相关(r=0.862,P=0.003)。癌组织CDC25C及HESR-1表达阳性患者的肿瘤直径和淋巴结转移率均高于表达阴性者(P<0.05)。Cox多因素分析结果显示,肿瘤直径、淋巴结转移、CDC25C阳性及HESR-1阳性是影响直肠癌患者预后的独立危险因素(P<0.05)。结论HESR-1和CDC25C在直肠癌组织中表达升高,且与患者预后密切相关。
基金funded by the Natural Science Foundation of Hubei Province in China,No.02.02.040458
文摘Temporal lobe epilepsy is associated with astrogliosis. Notchl signaling can induce astrogliosis in glioma. However, it remains unknown whether Notchl signaling is involved in the pathogenesis of epilepsy. This study investigated the presence of Notchl, hairy and enhancer of split-l, and glial fibrillary acidic protein in the temporal neocortex and hippocampus of lithium-pilocar- pine-treated rats. The presence of Notchl and hairy and enhancer of split-1 was also explored in brain tissues of patients with intractable temporal lobe epilepsy. Quantitative electroencephalo- gram analysis and behavioral observations were used as auxiliary measures. Results revealed that the presence of Notchl, hairy and enhancer of split-l, and glial fibriUary acidic protein were en- hanced in status epilepticus and vehicle-treated spontaneous recurrent seizures rats, but remain unchanged in the following groups： control, absence of either status epilepticus or spontaneous recurrent seizures, and zileuton-treated spontaneous recurrent seizures. Compared with patient control cases, the presences of Notch1 and hairy and enhancer of split- 1 were upregulated in the temporal neocortex of patients with intractable temporal lobe epilepsy. Therefore, these results suggest that Notchl signaling may play an important role in the onset of temporal lobe epilepsy via astrogliosis. Furthermore, zileuton may be a potential therapeutic strategy for temporal lobe epilepsy by blocking Notchl signaling.
