THE HUMAN ENDOGENOUS RETROVIRUS ERV-3 IS UP-REGULATED IN DIFFERENTIATING PLACENTAL TROPHOBLAST CELLS

被引:102
作者
BOYD, MT [1 ]
BAX, CMR [1 ]
BAX, BE [1 ]
BLOXAM, DL [1 ]
WEISS, RA [1 ]
机构
[1] QUEEN CHARLOTTES MATERN HOSP, ROYAL POSTGRAD MED SCH, INST OBSTET & GYNAECOL, LONDON W6 0XG, ENGLAND
关键词
D O I
10.1006/viro.1993.1556
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The single copy endogenous retrovirus locus ERV-3 is known to be primarily expressed in the placenta. The absence of expression of this gene in choriocarcinoma cell lines has led to speculation that this may be a defect associated with this abnormality. We show here that ERV-3 is not normally expressed in the cytotrophoblast from which these tumour cells are derived but is expressed in normal syncytiotrophoblast. The conservation of the ERV-3 open reading frame for env in ape and old world monkey species and its tight regulation and site of expression suggest a functional role for this gene in this tissue. © 1993 Academic Press. All rights reserved.
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页码:905 / 909
页数:5
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