Abstract：
:Angiogenesis, the sprouting of new blood vessels from existing vessels, occurs in many physiological and pathological processes, including embryonic development, wound healing, and tumor growth. It is required for tumor growth because new blood vessel formation is necessary for tumors to expand beyond a minimum volume. Several growth factor receptor tyrosine kinases have been implicated in angiogenesis, including receptors for epidermal, fibroblast, and platelet-derived growth factors, as well as the receptors Flk-1/KDR, Flt-1 Tek/Tie-2, and Tie-1. Endothelial cells in the vessels of tumors express Flk-1/KDR, a receptor for vascular endothelial growth factor. Flk-1 was previously shown to play a role in angiogenesis and tumor formation of s.c. xenografts of C6 glioma cells using dominant-negative methodology. We now demonstrate that Flk-1 seems to be generally involved in the growth of a wide range of solid tumors, including mammary, ovarian, and lung carcinoma, as well as glioblastoma. Furthermore, survival times in rats bearing intracerebral tumors were prolonged using the same dominant-negative methodology. The involvement of Flk-1 in a variety of tumor types suggests an important role for Flk-1 in tumor angiogenesis.
journal_name
Cancer Resjournal_title
Cancer researchauthors
Millauer B,Longhi MP,Plate KH,Shawver LK,Risau W,Ullrich A,Strawn LMsubject
Has Abstractpub_date
1996-04-01 00:00:00pages
1615-20issue
7eissn
0008-5472issn
1538-7445journal_volume
56pub_type
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