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rdf:type |
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lifeskim:mentions |
umls-concept:C0011209,
umls-concept:C0042382,
umls-concept:C0078058,
umls-concept:C0183683,
umls-concept:C0206153,
umls-concept:C0225336,
umls-concept:C0302350,
umls-concept:C0344211,
umls-concept:C1171411,
umls-concept:C1256770,
umls-concept:C1317973,
umls-concept:C1337092,
umls-concept:C1521721,
umls-concept:C1522558,
umls-concept:C1554184,
umls-concept:C1705079
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pubmed:issue |
11
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pubmed:dateCreated |
2010-2-23
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pubmed:abstractText |
Transplantation of endothelial cells (EC) for therapeutic vascularization is a promising approach in tissue engineering but has yet to be proven effective in clinical trials. This cell-based therapy is hindered by significant apoptosis of EC upon transplantation as well as poor recruitment of host mural cells to stabilize nascent vessels. Here, we address these deficiencies by augmenting endothelial cell transplantation with dual delivery of vascular endothelial growth factor (VEGF) - to improve survival of transplanted EC - and monocyte chemotactic protein-1 (MCP-1) - to induce mural cell recruitment. We produced alginate microparticles that deliver VEGF and MCP-1 with distinct release kinetics and that can be integrated into a collagen/fibronectin (protein) gel construct for delivery of EC. Combined delivery of VEGF and MCP-1 increased functional vessel formation from transplanted EC and also led to a higher number of smooth muscle cell-invested vessels than did EC therapy alone. Despite the well-known role of MCP-1 in inflammation, these beneficial effects were accomplished without a long-term increase in monocyte/macrophage recruitment or a shift to a pro-inflammatory (M1) macrophage phenotype. Overall, these data suggest a potential benefit of combined delivery of MCP-1 and VEGF from EC-containing hydrogels as a strategy for therapeutic vascularization.
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pubmed:grant |
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pubmed:commentsCorrections |
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http://linkedlifedata.com/resource/pubmed/commentcorrection/20110124-9860169
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1878-5905
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pubmed:author |
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pubmed:copyrightInfo |
Copyright 2010 Elsevier Ltd. All rights reserved.
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pubmed:issnType |
Electronic
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pubmed:volume |
31
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
3054-62
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pubmed:dateRevised |
2011-7-27
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pubmed:meshHeading |
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