THE INTERACTION BETWEEN BOVINE HERPESVIRUS TYPE-1 AND ACTIVATED BOVINE LYMPHOCYTE-T

被引:85
作者
GRIEBEL, PJ
OHMANN, HB
LAWMAN, MJP
BABIUK, LA
机构
[1] UNIV SASKATCHEWAN, WESTERN COLL VET MED, DEPT VET MICROBIOL, SASKATOON S7N 0W0, SASKATCHEWAN, CANADA
[2] VET INFECT DIS ORG, SASKATOON S7N 0W0, SASKATCHEWAN, CANADA
关键词
D O I
10.1099/0022-1317-71-2-369
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
The interaction between activated bovine T lymphocytes (BTLs) and bovine herpesvirus type 1 (BHV-1) was investigated. BHV-1 infection of BTLs reduced the amplitude of recombinant bovine interleukin 2-induced proliferative responses. This decreased proliferation was caused by a virus-induced lymhocytolysis which was dependent on viable virus and was not inhibited by recombinant bovine interferon-α(I) 1. Furthermore, lymphocytolysis was not associated with virus replication or with the synthesis of detectable lvels of viral proteins. Electron microscopic examination of virus-infected cells revealed that lymphocytolysis was characterized by early nuclear disintegration resembling apoptosis. These observations suggest that activated T cells, localized at the site of BHV-1 infection, may be susceptible to virus-induced cytolysis.
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页码:369 / 377
页数:9
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