DEVELOPMENTAL REGULATION OF HUMAN FETAL-TO-ADULT GLOBIN GENE SWITCHING IN TRANSGENIC MICE

被引:313
作者
ENVER, T
RAICH, N
EBENS, AJ
PAPAYANNOPOULOU, T
COSTANTINI, F
STAMATOYANNOPOULOS, G
机构
[1] UNIV WASHINGTON,DEPT MED,DIV HEMATOL,SEATTLE,WA 98195
[2] COLUMBIA UNIV COLL PHYS & SURG,DEPT GENET & DEV,NEW YORK,NY 10032
关键词
D O I
10.1038/344309a0
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
Transgenic mice containing a human fetal (γ-) or adult (β-) globin gene linked to the β-globin gene locus activation region (LAR) express the gene throughout development. By contrast transgenic mice containing LAR linked to both a fetal and an adult globin gene display the normal developmental switch from fetal to adult gene expression. This suggests that the human fetal-to-adult globin gene switch is controlled through a mutually exclusive interaction between LAR and either the γ- or β-globin gene, resulting in the expression of only one gene at any given moment. © 1990 Nature Publishing Group.
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页码:309 / 313
页数:5
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