MOLECULAR AND PHARMACOLOGICAL TARGETING OF ANGIOGENESIS FACTORS - THE EXAMPLE OF PLEIOTROPHIN

被引:14
作者
CZUBAYKO, F [1 ]
SCHULTE, AM [1 ]
MISSNER, SC [1 ]
HSIEH, SS [1 ]
COLLEY, KJ [1 ]
WELLSTEIN, A [1 ]
机构
[1] GEORGETOWN UNIV,LOMBARDI CANC CTR,WASHINGTON,DC 20007
关键词
GROWTH FACTORS; ANGIOGENESIS; PLEIOTROPHIN; ANTISENSE; RIBOZYMES;
D O I
10.1007/BF00666037
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Polypeptide growth factors contribute to the development and maintenance of normal tissues and are essential for the growth and metastasis of solid tumors. During tumor progression these factors function as autocrine stimulators of tumor cells and/or serve to recruit stromal tissue and blood supply to the expanding tumor. In particular, tumor-induced angiogenesis appears to be significant not only for local tumor growth but also for metastasis to distant organ sites. We purified several years ago the heparin-binding growth factor pleiotrophin (PTN) from the supernatants of human breast cancer cells and demonstrated that PTN can serve as an angiogenesis factor. We found the gene expressed in a number of human tumor cell lines as well as in human tumor tissues. Here we present different approaches to inhibit production and function of this growth factor. Finally we discuss how the experience from this growth factor can be applied to improve our understanding of the role of other factors thought to contribute to tumor angiogenesis.
引用
收藏
页码:157 / 168
页数:12
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