DIFFERENTIAL UTILIZATION OF CALCITONIN GENE REGULATORY DNA-SEQUENCES IN CULTURED LINES OF MEDULLARY-THYROID CARCINOMA AND SMALL-CELL LUNG-CARCINOMA

被引:27
作者
DEBUSTROS, A
LEE, RY
COMPTON, D
TSONG, TY
BAYLIN, SB
NELKIN, BD
机构
[1] Oncology Center, School of Medicine, Johns Hopkins University, Baltimore, MD 21231
[2] Dept. of Experimental Therapeutics, Roswell Park Memorial Institute, Buffalo
[3] Department of Biochemistry, University of Minnesota, College of Biological Sciences, St. Paul
关键词
D O I
10.1128/MCB.10.4.1773
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Regulation of expression of the human calcitonin gene was found to differ between two tumor lines of different tissue origin, medullary thyroid carcinoma (TT line) and small-cell lung carcinoma (DMS53 line). Distal 5′ DNA elements between -750 and -2000 exhibited a stronger basal activity in DMS53 than in TT cells, whereas proximal DNA sequences between -132 and -252 mediated a dramatic cyclic AMP response in TT but not DMS53 cells.
引用
收藏
页码:1773 / 1778
页数:6
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