[1]李俊男,王宇明,史常旭,等.乙型肝炎病毒感染原代培养人绒毛膜滋养层细胞的实验研究[J].陆军军医大学学报(原第三军医大学学报),2007,29(14):1406-1409.
　LI Jun-nan,WANG Yu-ming,SHI Chang-xu,et al.On HBV infection of trophoblastic cells in primary culture[J].J Amry Med Univ (J Third Mil Med Univ),2007,29(14):1406-1409.
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乙型肝炎病毒感染原代培养人绒毛膜滋养层细胞的实验研究(/HTML )
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陆军军医大学学报（原第三军医大学学报）[ISSN:1000-5404/CN:51-1095/R]

卷:
29卷
期数:
2007年第14期
页码:
1406-1409
栏目:
论著
出版日期:
2007-07-30

文章信息/Info

Title:
On HBV infection of trophoblastic cells in primary culture
作者:
李俊男; 王宇明; 史常旭; 梁志清; 常青; 张琴; 陈黎
第三军医大学西南医院:妇产科，全军感染病研究所
Author(s):
LI Jun-nan;  WANG Yu-ming;  SHI Chang-xu;  LIANG Zhi-qing;  CHANG Qing;  ZHANG Qin;  CHEN Li
Department of Obstetrics and Gynecology, Institute of Infectious Diseases, Southwest Hospital, Third Military Medical University, Chongqing 400038, China
关键词:
滋养层细胞; 原代培养; 乙型肝炎病毒
Keywords:
trophoblastic cells;  primary culture;  hepatitis B virus
分类号:
R329.24;R373.21;R714.251
文献标志码:
A
摘要:
目的    探讨原代培养的人绒毛膜滋养层细胞感染乙型肝炎病毒（hepatitis B virus, HBV）的可能性及规律。    方法    采用胰酶/DNA酶序贯消化及Percoll密度梯度离心分离纯化人绒毛膜滋养层细胞后，采用血清直接感染法进行滋养层细胞的HBV感染，同时通过与对正常成人肝细胞株L02细胞的HBV感染后及转染HBV的肝癌细胞株（HepG2.2.15）的传代培养比较，实时荧光定量PCR检测培养上清的HBV DNA；并用透射电镜观察HBV感染后滋养层细胞的超微结构改变及其在滋养层细胞中的定位。    结果    原代培养的滋养层细胞感染HBV后释放至培养上清中的HBV DNA于感染后48~72 h达高峰，而L02细胞则于感染后12~24 h达高峰，HepG2.2.15细胞株感染后则一直攀升。透射电镜观察HBV感染后滋养层细胞超微结构发生了明显改变，主要表现为溶酶体大量增生，出现空泡状结构，并可观察到病毒样颗粒，主要定位于细胞核周。    结论    HBV可以感染滋养层细胞，定位于核周并导致滋养层细胞的超微结构改变。
Abstract:
Objective    To investigate the possibility and regulation of that hepatitis B virus (HBV) infects trophoblastic cells in primary culture.     Methods    Trypsin and DNAse sequential digestion and Percoll density centrifugation were used to separate and purify human chorionic trophoblastic cells. The direct serum (HBV DNA positive) infection method was adopted to infect trophoblastic cells. The results of HBV infection of trophoblastic cells were compared with that of normal human adult liver cell line L02 and that of liver cancer cell line HepG2.2.15. Real-time PCR was used to detect HBV DNA in culture supernatant. Further, ultrastructural characteristics of infected trophoblastic cells were observed with transmission electron microscope.     Results    The HBV DNA in culture supernatant that released by HBV infected trophoblastic cells reached the peak in 48-72 h. For L02 cell, it occurred in 12-24 h and for HepG2.2.15 cell line, it kept increasing. The ultrastructure of infected HBV trophoblastic cells differed obviously from that of normal cells, and showed hyperplasia of lysosome, appearance of vacuoles and virus-like particles around the nucleus.      Conclusion    Trophoblastic cells could be infected by HBV, and the cellular ultrastructure changed dramatically following HBV infection.

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更新日期/Last Update: 2008-10-07