目的分析乙肝肝硬化患者血清乙型肝炎病毒脱氧核糖核酸(Hepatitis B Virus-Deoxyribonucleic Acid,HBV-DNA)载量与热休克蛋白70(Heat shock protein 70,Hsp70)、癌胚抗原(Carcino-embryonic antigen,CEA)及甲胎蛋白(α-fetoprotein,AFP...目的分析乙肝肝硬化患者血清乙型肝炎病毒脱氧核糖核酸(Hepatitis B Virus-Deoxyribonucleic Acid,HBV-DNA)载量与热休克蛋白70(Heat shock protein 70,Hsp70)、癌胚抗原(Carcino-embryonic antigen,CEA)及甲胎蛋白(α-fetoprotein,AFP)水平的相关性。方法将2016年5月-2019年5月在黄冈市中心医院消化内科就诊且符合纳入与排除标准的120例乙肝肝硬化患者作为研究对象,分别应用荧光定量PCR法检测HBV-DNA载量,酶联免疫吸附法(Enzyme-linked immunosorbent assay,ELISA)检测血清HSP70、CEA、AFP水平;比较不同HBV-DNA载量的乙肝肝硬化患者血清HSP70、CEA及AFP水平;并应用协方差分析校正混杂因素影响,Pearson相关性分析血清HBV-DNA载量与校正后的HSP70、CEA及AFP水平的相关性。结果 120例乙肝肝硬化患者中,HBV-DNA载量<5log10拷贝/ml 64例,平均(3.65±0.29)log10拷贝/ml;≥5log10拷贝/ml 56例,平均(5.98±0.28)log10拷贝/ml;其中HBV-DNA载量≥5log10拷贝/ml的乙肝肝硬化患者HSP70低于HBV-DNA载量<5log10拷贝/ml患者,CEA、AFP均高于HBV-DNA载量<5log10拷贝/ml患者(P<0.05);校正后不同HBV-DNA载量的乙肝肝硬化患者HSP70、CEA、AFP水平经Bonferroni检验差异仍有统计学意义(P<0.05);Pearson相关性分析显示HBV-DNA载量与HSP70、CEA、AFP均有显著相关性(r=-0.525、0.637、0.409,均P<0.01)。结论乙肝肝硬化患者血清HBV-DNA载量与HSP70显著负相关,与CEA、AFP呈正相关关系。展开更多
Tumor models were simulated in purebred Beagles at the T9-10 levels of the spinal cord and treated with spinal image-guided radiation therapy or conventional radiation therapy with 50 or 70 Gy total radiation. Three m...Tumor models were simulated in purebred Beagles at the T9-10 levels of the spinal cord and treated with spinal image-guided radiation therapy or conventional radiation therapy with 50 or 70 Gy total radiation. Three months after radiation, neuronal injury at the T9-10 levels was observed, including reversible injury induced by spinal image-guided radiation therapy and apoptosis induced by conventional radiation therapy. The number of apoptotic cells and expression of the proapoptotic protein Fas were significantly reduced, but expression of the anti-apoptotic protein heat shock protein 70 was significantly increased after image-guided radiation therapy compared with the conventional method of the same radiation dose. Moreover, the spinal cord cell apoptotic index positively correlated with the ratio of Fas/heat shock protein 70. These findings indicate that 3 months of radiation therapy can induce a late response in the spinal cord to radiation therapy; image-guided radiation therapy is safer and results in less neuronal injury compared with conventional radiation therapy.展开更多
基金supported by the National Natural Science Foundation of China,No.81060182the Natural Science Foundation of Xinjiang Uygur Autonomous Region,No.2012211B34the Key Technology Research and Development and Major Program of Xinjiang Uygur Autonomous Region,No.200833116
文摘Tumor models were simulated in purebred Beagles at the T9-10 levels of the spinal cord and treated with spinal image-guided radiation therapy or conventional radiation therapy with 50 or 70 Gy total radiation. Three months after radiation, neuronal injury at the T9-10 levels was observed, including reversible injury induced by spinal image-guided radiation therapy and apoptosis induced by conventional radiation therapy. The number of apoptotic cells and expression of the proapoptotic protein Fas were significantly reduced, but expression of the anti-apoptotic protein heat shock protein 70 was significantly increased after image-guided radiation therapy compared with the conventional method of the same radiation dose. Moreover, the spinal cord cell apoptotic index positively correlated with the ratio of Fas/heat shock protein 70. These findings indicate that 3 months of radiation therapy can induce a late response in the spinal cord to radiation therapy; image-guided radiation therapy is safer and results in less neuronal injury compared with conventional radiation therapy.
