Knies, UE, Behrensdorf, HA, Mitchell, Christopher, Deutsch, U, Risau, W, Drexler, HCA and Clauss, M (1998) Regulation of endothelial monocyte-activating polypeptide II release by apoptosis. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 95 (21). pp. 12322-12327. [Journal article]
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Endothelial monocyte-activating polypeptide II (EMAP II) is a proinflammatory cytokine and a chemoattractant for monocytes, We show here that, in the mouse embryo, EMAP II mRNA was most abundant at sites of tissue remodeling where many apoptotic cells could be detected by terminal deoxynucleotidyltransferase-mediated dUTP end labeling. Removal of dead cells is known to require macrophages, and these were found to colocalize with areas of EMAP LI mRNA expression and programmed cell death. In cultured cells, post-translational processing of pro-EMAP II protein to the mature released EMAP II form (23 kDa) occurred coincidentally with apoptosis, Cleavage of pro-EMAP II could be abrogated in cultured cells by using a peptide-based inhibitor, which competes with the ASTD cleavage site of pro-EMAP II. Our results suggest that the coordinate program of cell death includes activation of a caspase-like activity that initiates the processing of a cytokine responsible for macrophage attraction to the sites of apoptosis.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences|
Faculty of Life and Health Sciences > School of Biomedical Sciences
|Research Institutes and Groups:||Biomedical Sciences Research Institute|
Biomedical Sciences Research Institute > Molecular Medicine
Biomedical Sciences Research Institute > Molecular Medicine > Vascular Medicine
|Deposited By:||Mrs Caroline Adams|
|Deposited On:||28 Mar 2011 16:01|
|Last Modified:||28 Mar 2011 16:01|
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