Characterization of angiogenin receptors on bovine brain capillary endothelial cells

Abstract : The mitogenic effect of bovine milk angiogenin was studied on bovine brain capillary and aortic endothelial cells, smooth muscle cells and fibroblasts. The proliferation of only bovine brain capillary endothelial cells was detected at concentrations ranging from 10 to 1,000 ng/ml, with a maximum effect at 100ng/ml. This mitogenic activity may be correlated with a specific binding of angiogenin which was demonstrated only to bovine brain capillary endothelial cells. [125I]-labeled angiogenin binding was time and concentration dependent and saturable. Scatchard analyses of binding data showed evidence of a single class of binding sites with an apparent dissociation constant of 5.10-10 M. The molecular mass of the angiogenin receptor (49 kDa) was determined by ligand blotting.
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Biochemical and Biophysical Research Communications, Elsevier, 1991, 176 (2), p. 833-839
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https://hal-univ-artois.archives-ouvertes.fr/hal-00529690
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Soumis le : mardi 26 octobre 2010 - 12:30:40
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  • HAL Id : hal-00529690, version 1

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M. Chamoux, Marie-Pierre Dehouck, Jean-Charles Fruchart, Geneviève Spik, J. Montreuil, et al.. Characterization of angiogenin receptors on bovine brain capillary endothelial cells. Biochemical and Biophysical Research Communications, Elsevier, 1991, 176 (2), p. 833-839. 〈hal-00529690〉

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