Chicken NKx2-8, a novel homeobox gene expressed during early heart and foregut development

被引:44
作者
Brand, T [1 ]
Andree, B [1 ]
Schneider, A [1 ]
Buchberger, A [1 ]
Arnold, HH [1 ]
机构
[1] TECH UNIV CAROLO WILHELMINA BRAUNSCHWEIG,DEPT CELL & MOL BIOL,D-38106 BRAUNSCHWEIG,GERMANY
关键词
NK-2; homeobox; chicken; heart; branchial arch;
D O I
10.1016/S0925-4773(97)00044-0
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
cNkx2-8 represents a novel member of the NK2-family of transcription factors. The gene contains three highly conserved regions, the TN-, NK2-, and homeodomains which are diagnostic for this group of proteins. cNkx2-8 is expressed during chick embryogenesis in ventral foregut endoderm, myocardial mesoderm, epithelium of the branchial arches and the dorsal mesocardium. While cNkx2-8 expression partially overlaps with other NK genes, such as Nkx2-5 and Nkx2-3, its onset and aspects of its expression domains are specific. Thus, structural data and the expression profile suggest that cNkx2-8 constitutes a new homeobox protein which may cooperate with its known relatives in defining an antero-ventral field including the developing heart and pharyngeal endoderm. (C) 1997 Elsevier Science Ireland Ltd.
引用
收藏
页码:53 / 59
页数:7
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