A HEPARIN-BINDING GROWTH-FACTOR SECRETED BY MACROPHAGE-LIKE CELLS THAT IS RELATED TO EGF

被引:1091
作者
HIGASHIYAMA, S
ABRAHAM, JA
MILLER, J
FIDDES, JC
KLAGSBRUN, M
机构
[1] CHILDRENS HOSP MED CTR,DEPT SURG RES,BOSTON,MA 02115
[2] CALIF BIOTECHNOL INC,MT VIEW,CA 94043
[3] HARVARD UNIV,SCH MED,DEPT BIOL CHEM,BOSTON,MA 02115
[4] HARVARD UNIV,SCH MED,DEPT MOLEC PHARMACOL,BOSTON,MA 02115
关键词
D O I
10.1126/science.1840698
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
Macrophage-like U-937 cells secrete a 22-kilodalton heparin-binding growth factor that is mitogenic for BALB-3T3 fibroblasts and smooth muscle cells, but not endothelial cells. The amino acid sequence predicted from complementary DNA clones indicates that the mitogen is a new member of the epidermal growth factor (EGF) family. This heparin-binding EGF-like growth factor (HB-EGF) binds to EGF receptors on A-431 epidermoid carcinoma cells and smooth muscle cells, but is a far more potent mitogen for smooth muscle cells than is EGF. HB-EGF is also expressed in cultured human macrophages and may be involved in macrophage-mediated cellular proliferation.
引用
收藏
页码:936 / 939
页数:4
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