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A novel technique for quantifying changes in vascular density, endothelial cell proliferation and protein expression in response to modulators of angiogenesis using the chick chorioallantoic membrane (CAM) assay.

Journal of translational medicine (2004-02-03)
Walter J Miller, Mark L Kayton, Angela Patton, Sarah O'Connor, Mei He, Huan Vu, Galina Baibakov, Dominique Lorang, Vladimir Knezevic, Elise Kohn, H Richard Alexander, David Stirling, Faribourz Payvandi, George W Muller, Steven K Libutti
ABSTRACT

Reliable quantitative evaluation of molecular pathways is critical for both drug discovery and treatment monitoring. We have modified the CAM assay to quantitatively measure vascular density, endothelial proliferation, and changes in protein expression in response to anti-angiogenic and pro-angiogenic agents. This improved CAM assay can correlate changes in vascular density with changes seen on a molecular level. We expect that these described modifications will result in a single in vivo assay system, which will improve the ability to investigate molecular mechanisms underlying the angiogenic response.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Anti-Integrin αVβ3 Antibody, clone LM609, biotin conjugated, clone LM609, Chemicon®, from mouse
Sigma-Aldrich
Cortisone 21-acetate, ≥99%