Abstract:
:Diabetes is a risk factor for worse outcomes following acute myocardial infarction (AMI). In this study, we tested the hypothesis that SDF-1:CXCR4 expression is compromised in post-AMI in diabetes, and that reversal of this defect can reverse the adverse effects of diabetes. Mesenchymal stem cells (MSC) isolated from green fluorescent protein (GFP) transgenic mice (control MSC) were induced to overexpress stromal cell-derived factor-1 (SDF-1). SDF-1 expression in control MSC and SDF-1-overexpressing MSC (SDF-1:MSC) were quantified using enzyme-linked immunosorbent assay (ELISA). AMI was induced on db/db and control mice. Mice were randomly selected to receive infusion of control MSC, SDF-1:MSC, or saline into the border zone after AMI. Serial echocardiography was used to assess cardiac function. SDF-1 and CXCR4 mRNA expression in the infarct zone of db/db mice and control mice were quantified. Compared to control mice, SDF-1 levels were decreased 82%, 91%, and 45% at baseline, 1 day and 3 days post-AMI in db/db mice, respectively. CXCR4 levels are increased 233% at baseline and 54% 5 days post-AMI in db/db mice. Administration of control MSC led to a significant improvement in ejection fraction (EF) in control mice but not in db/db mice 21 days after AMI. In contrast, administration of SDF-1:MSC produced a significant improvement in EF in both control mice and db/db mice 21 days after AMI. The SDF-1:CXCR4 axis is compromised in diabetes, which appears to augment the deleterious consequences of AMI. Over-express of SDF-1 expression in diabetes rescues cardiac function post AMI. Our results suggest that modulation of SDF-1 may improve post-AMI cardiac repair in diabetes. Stem Cells Translational Medicine 2018;7:115-124.
journal_name
Stem Cells Transl Medjournal_title
Stem cells translational medicineauthors
Mayorga ME,Kiedrowski M,McCallinhart P,Forudi F,Ockunzzi J,Weber K,Chilian W,Penn MS,Dong Fdoi
10.1002/sctm.17-0172subject
Has Abstractpub_date
2018-01-01 00:00:00pages
115-124issue
1eissn
2157-6564issn
2157-6580journal_volume
7pub_type
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,随机对照试验
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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journal_title:Stem cells translational medicine
pub_type: 杂志文章,评审
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更新日期:2014-07-01 00:00:00
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journal_title:Stem cells translational medicine
pub_type: 杂志文章,评审
doi:10.1002/sctm.18-0247
更新日期:2019-08-01 00:00:00
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pub_type: 杂志文章
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
doi:10.5966/sctm.2013-0216
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journal_title:Stem cells translational medicine
pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章
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