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作 者:黎昌照[1] 黎春晖[2] 刘国昌 吴倩[1] 江东华[1] 罗斌[1]
机构地区:[1]中山大学中山医学院法医系,广州510080 [2]泸州医学院附属口腔医院,泸州646000 [3]惠州市惠阳区公安分局刑事技术室,惠州516211
出 处:《热带医学杂志》2007年第10期945-947,958,F0002,共5页Journal of Tropical Medicine
摘 要:目的检测病毒性心肌炎(VM)患者心肌组织中神经生长因子(NGF)的表达,探讨其在病毒性心肌炎发病过程中的作用及其在法医学中的意义。方法取10例病毒性心肌炎死者心肌组织为实验组,10例颅脑损伤死者心肌组织为对照组,HE染色并采用免疫组化法(SABC法)检测NGF表达,对其表达水平与心肌病变积分进行相关性分析。结果病毒性心肌炎死者心肌组织与对照组心肌组织中NGF表达有显著性差异(P<0.05),NGF免疫组化阳性颗粒指数与心肌病变积分呈显著正相关(r=0.91,P<0.05)。结论NGF过度表达可能在病毒性心肌炎的发病机制中起重要作用,NGF对病毒性心肌炎猝死有辅助诊断价值。Objective To examine the expression of nerve growth factor (NGF) in myocardial tissue of patients dying of viral myocarditis (VM), and to investigate the role of NGF in myocarditis and its significance in forensic medicine. Method HE and immunohistochemially stained tissue sections from ten myocardial tissues from the VM group and ten from the control group were examined. The correlation between the expression levels of NGF and myocardial histopathological scores was analyzed. Result Compared with the control group, the levels of myocardial NGF protein in the VM group were significantly increased (P 〈 0.05). Immunohistochemical staining also showed the positive correlation between the expression of NGF protein and the histopathological scores (r = 0.91 ,P 〈 0.05). Conclusion The excessive expression of NGF may play an important role in the pathogenesis of viral myocarditis. The expression levels of NGF may have diagnostic value in forensic medicine.
分 类 号:R542.21[医药卫生—心血管疾病]
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