HTLV-I TRANS-ACTIVATOR PROTEIN, TAX, IS A TRANS-REPRESSOR OF THE HUMAN BETA-POLYMERASE GENE

被引:305
作者
JEANG, KT [1 ]
WIDEN, SG [1 ]
SEMMES, OJ [1 ]
WILSON, SH [1 ]
机构
[1] NCI,BIOCHEM LAB,BETHESDA,MD 20892
关键词
D O I
10.1126/science.2309119
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
Human T cell leukemia virus type I (HTLV-I) is the etiological agent for adult T cell leukemia (ATL). The HTLV-I trans-activator protein Tax can activate the expression of its own long terminal repeat (LTR) and many cellular and viral genes. Tax down-regulated the expression of human β-polymerase (huβ-pol), a cellular enzyme involved in host cell DNA repair. This finding suggests a possible correlation between HTLV-I infection and host chromosomal damage, which is often seen in ATL cells.
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页码:1082 / 1084
页数:3
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