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. 2015 Nov 15;309(10):H1764-71.
doi: 10.1152/ajpheart.00493.2015. Epub 2015 Sep 25.

Sustained myocardial production of stromal cell-derived factor-1α was associated with left ventricular adverse remodeling in patients with myocardial infarction

Manabu Uematsu  1 , Toru Yoshizaki  1 , Takuya Shimizu  1 , Jun-ei Obata  1 , Takamitsu Nakamura  1 , Daisuke Fujioka  1 , Kazuhiro Watanabe  1 , Yosuke Watanabe  1 , Kiyotaka Kugiyama  2
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Sustained myocardial production of stromal cell-derived factor-1α was associated with left ventricular adverse remodeling in patients with myocardial infarction

Manabu Uematsu et al. Am J Physiol Heart Circ Physiol. .
Free article

Abstract

The role of stromal cell-derived factor-1α (SDF-1α) expressed in infarcted myocardium is unknown in humans. We examined whether SDF-1α produced in an infarcted myocardial lesion may play a role in left ventricle (LV) remodeling and dysfunction in patients with acute myocardial infarction (AMI). We measured SDF-1α levels in plasma obtained from aortic root (AO) and anterior interventricular vein (AIV) in the early phase (2 wk after MI) and the chronic phase (6 mo after MI) in 80 patients with anterior MI. An increment in SDF-1α level from AO to AIV, reflecting SDF-1α release from infarcted myocardium, was more frequent in patients with MI in the early phase of MI [n = 52 (65%), P = 0.03] but not in the chronic phase of MI [n = 46 (58%), P = 0.11] compared with that in control patients [n = 6/17 (35%)]. On linear regression analysis, the transmyocardial gradient in SDF-1α level in the chronic phase of MI was correlated with percentage changes in LV end-diastolic volume index (r = 0.39, P < 0.001), LV end-systolic volume index (r = 0.38, P < 0.001), and LV ejection fraction (r = -0.26, P = 0.01) 6 mo after AMI. By contrast, the transmyocardial gradient of SDF-1α in the early phase of MI had no significant correlations. In conclusion, the production of SDF-1α in infarcted myocardium in the chronic phase of MI was associated with LV adverse remodeling and progressive dysfunction in AMI survivors.

Keywords: acute myocardial infarction; inflammation; stromal cell-derived factor-1α; ventricular dysfunction; ventricular remodeling.

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