Elevated Circulating Levels of Basic Fibroblast Growth Factor and Vascular Endothelial Growth Factor in Patients With Acute Myocardial Infarction

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Basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF) have both shown strong angiogenetic effects in ischemic animal models and it has been reported that these growth factors were increased after acute myocardial ischemia. However, there have been few3 reports on the serum levels of bFGF and VEGF after acute myocardial infarction (AMI), in particular there has not been a comparative study of bFGF and VEGF in human subjects. The time course of circulating levels of bFGF and VEGF was examined in 36 patients with AMI who were within 24h of the onset of the AMI. The serum bFGF and VEGF levels of 50 age- and sexmatched healthy volunteers served as the baseline value. All the patients had undergone coronary angiography on the day of admission (Day 0), but prior to that the serum bFGF and VEGF levels were examined by enzymelinked immunoassay. The serum bFGF and VEGF levels were also evaluated on Days 7, 14 and 28. Creatine kinase, myosin light chain I and troponin-T were measured subsequently and radionuclide examinations were performed during the early phase of AMI to determine the infarct size. The serum bFGF levels were significantly increased at Day 0 and were maintained until Days 7 and 14. Although serum VEGF levels at Day 0 were similar to the baseline values, they showed a remarkable increase by Days 7 and 14. A high serum level of bFGF was detected in the acute phase of AMI, and a later increase in VEGF was determined in the sub-acute phase, which suggest that these 2 growth factors play an important role at different time points of the reconstructing process of infarcted myocardial tissue.
社団法人日本循環器学会の論文
1999-04-20

Elevated Circulating Levels of Basic Fibroblast Growth Factor and Vascular Endothelial Growth Factor in Patients With Acute Myocardial Infarction

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