DELINEATION OF PUTATIVE MECHANISMS INVOLVED IN ANTIBODY-MEDIATED CLEARANCE OF RABIES VIRUS FROM THE CENTRAL-NERVOUS-SYSTEM

被引:107
|
作者
DIETZSCHOLD, B [1 ]
KAO, M [1 ]
ZHENG, YM [1 ]
CHEN, ZY [1 ]
MAUL, G [1 ]
FU, ZF [1 ]
RUPPRECHT, CE [1 ]
KOPROWSKI, H [1 ]
机构
[1] WISTAR INST,PHILADELPHIA,PA 19109
关键词
VIRUS NEUTRALIZATION; TRANSCRIPTION;
D O I
10.1073/pnas.89.15.7252
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The in vitro biological activities of several rabies virus-neutralizing monoclonal antibodies (mAbs) were compared with their ability to prevent a lethal rabies virus encephalomyelitis. The protective activity of a particular mAb in vivo did not correlate with its virus-neutralizing activity in vitro; rather it was related to the mAb's ability to inhibit virus spread from cell to cell and to restrict rabies virus RNA transcription. Since treatment of rabies virus-infected cells with virus-neutralizing mAbs results in an endocytosis of the antibody, we hypothesize that an antibody may exert its inhibitory activity even after uptake by the cell. Post-exposure treatment of rats with a mAb that inhibited both virus spread and virus RNA transcription in vitro resulted in viral clearance from the central nervous system and protected the animals against a lethal rabies virus infection.
引用
收藏
页码:7252 / 7256
页数:5
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