Abstract:
BACKGROUND:Biomarker expression can predict subsequent cardiovascular events. The goal of this study was to determine the pattern of expression in blood of a broad array of cytokines and growth factors taken 24-72 h after an ST elevation myocardial infarction (STEMI) involving the left anterior descending (LAD) coronary artery. METHODS:Blood was taken from 16 patients with LAD STEMI. Cytokine and growth factor expressions were quantified with the use of a Milliplex cytokine/chemokine array analysis that tested 42 analytes. Results from patients were compared with those in blood from 20 healthy volunteers. RESULTS:Most (15/16) participants had positive remodeling without reduction in left ventricular function during follow-up. Analytes were grouped based on their function into those that activate class 1 T-helper cells (Th1 activates cell-mediated immunity), those that activated a Th2 response (activates humoral immunity and attenuates cell-mediated immunity), chemokines (attract leukocytes), and growth factors (promote a healing response). Elevation of cytokines involved in the Th2 response predominated over the Th1 response demonstrating a balance favoring tolerance and limiting activation of cell-mediated immunity. The concentration of selected chemokines favoring cell-mediated immunity was not elevated. The concentration of selected growth factors was increased. CONCLUSION:The cytokine expression, 24-72 h after an LAD STEMI, suggests that positive ventricular remodeling is associated with growth factor expression and limitation of cell-mediated immunity. Subsequent studies are warranted to determine whether deviation from this pattern identifies patients at an increased risk of adverse remodeling after myocardial infarction.
journal_name
Coron Artery Disjournal_title
Coronary artery diseaseauthors
Lam PH,Anderson PR 3rd,Ahmed B,Sobel BE,Vanburen P,Schneider DJdoi
10.1097/MCA.0b013e328346b88dsubject
Has Abstractpub_date
2011-08-01 00:00:00pages
311-6issue
5eissn
0954-6928issn
1473-5830journal_volume
22pub_type
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journal_title:Coronary artery disease
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pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
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pub_type: 临床试验,杂志文章,随机对照试验
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pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
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更新日期:2000-12-01 00:00:00
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更新日期:2010-08-01 00:00:00