期刊
NEUROENDOCRINOLOGY
卷 83, 期 5-6, 页码 387-393出版社
KARGER
DOI: 10.1159/000096049
关键词
Endothelial cells; CD31cell marker; Pituitary; Vascular endothelial growth factor; Basic fibroblast growth factor
资金
- National Institutes of Health [AA11591, CA775500]
- NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM [R01AA011591] Funding Source: NIH RePORTER
Most previous studies that determined the effect of estradiol on angiogenesis used endothelial cells from nonpituitary sources. Because pituitary tumor tissue receives its blood supply via portal and arterial circulation, it is important to use pituitary-derived endothelial cells in studying pituitary angiogenesis. We have developed a magnetic separation technique to isolate endothelial cells from pituitary tissues and have characterized these cells in primary cultures. Endothelial cells of the pituitary showed the existence of endothelial cell marker, CD31, and of von Willebrand factor protein. These cells in cultures also showed immunoreactivity of estrogen receptors alpha and beta. The angiogenic factors, vascular endothelial growth factor and basic fibroblast growth factor, significantly increased proliferation and migration of the pituitary-derived endothelial cells in primary cultures. These results suggest that a magnetic separation technique can be used for enrichment of pituitary-derived endothelial cells for determination of cellular mechanisms governing the vascularization in the pituitary. Copyright (C) 2006 S. Karger AG, Basel
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