单纯疱疹病毒1型体外感染人口腔上皮细胞的初步探讨

目的 观察单纯疱疹病毒1型(herpes simplex virus type 1,HSV-1)体外感染人口腔上皮细胞的途径和方式,为研究HSV-1导致牙周病的机制提供依据.方法 在体外扩增获得HSV-1,将其感染人口腔上皮细胞,再转移感染Vero细胞.倒置显微镜及透射电镜下观察.应用聚合酶链反应(PCR)技术对病毒核酸进行检测.结果 倒置显微镜下人口腔上皮细胞未见细胞病变,转移感染后的Vero细胞发生典型细胞病变.透射电镜下在人口腔上皮细胞内未观察到病毒颗粒,在转移感染后的Vero细胞里可见典型的病毒颗粒.HSV-1感染后的人口腔上皮细胞内可检测到病毒核酸.结论 HSV-1可直接感染人口腔上皮细胞,为进一步研究HSV-1导致牙周病的机制提供了较好的体外模型.

Preliminary study on Herpes simplex virus type 1 infection of human oral epithelial cell in vitro

OBJECTIVE: To investigate the way of herpes simplex virus type 1 (HSV-1) infecting human oral epithelial cell in vitro. METHODS: Abundance of HSV-1 strains were used to infect human oral epithelial cells. The culture supernatant was collected to infect Vero cells again. Morphology of HSV-1 was identified by inverted microscope and transmission electron microscope. Nucleic acid of the virus was detected by PCR. RESULTS: The infected human oral epithelial cells didn't display obvious cytopathic effect (CPE) while Vero cells infected by the culture supernatant showed typical CPE. The virus particles were observed in Vero cells. The nucleic acid of HSV-1 could be detected in infected human oral epithelial cells by PCR. CONCLUSIONS: HSV-1 could successfully infect human oral epithelial cells.