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- W2117688788 abstract "Abstract Background: Recent studies show that erythropoietin (EPO) plays a protective role in brain ischemia. In this condition, administration of EPO protects neurons from ischemic damage. Recently, it has been shown that in patients with chronic heart failure (CHF), EPO treatment improved cardiac function. In the present study we assessed the role of EPO and EPO‐receptor (EPO‐R) in the heart. Methods and results: We studied the presence and functionality of the EPO‐R in isolated rat hearts in the Langendorff set‐up. Hearts were perfused for 20 min with 10 U/ml EPO or vehicle. Immunohistochemistry revealed the presence of the EPO‐R on endothelial cells, fibroblasts and to a lesser extent cardiomyocytes. Furthermore, perfusion with EPO resulted in a 50% increase in the phosphorylated MAP kinases p42/p44. To evaluate the protective role of EPO in cardiac ischemia, we performed low‐flow (0.6 ml/min) ischemia/reperfusion experiments in isolated rat hearts. Administration of EPO (10 U/ml) reduced the cellular damage by 56% ( P <0.05) during reperfusion, diminished apoptosis by 15% ( P <0.05) and resulted in a significantly improved recovery of left ventricular pressure ( P =0.02) and coronary flow ( P =0.01). Conclusion: The present data suggest that a functional EPO‐R is present in rat adult cardiac tissue and that exogenous EPO administration improves cardiac function after ischemia/reperfusion injury." @default.
- W2117688788 created "2016-06-24" @default.
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- W2117688788 date "2004-08-06" @default.
- W2117688788 modified "2023-10-15" @default.
- W2117688788 title "Erythropoietin improves left ventricular function and coronary flow in an experimental model of ischemia-reperfusion injury" @default.
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- W2117688788 doi "https://doi.org/10.1016/j.ejheart.2004.03.012" @default.
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