Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Rychli, K; Niessner, A; Hohensinner, PJ; Mahdy Ali, K; Kaun, C; Neuhold, S; Zorn, G; Richter, B; Hülsmann, M; Berger, R; Mörtl, D; Huber, K; Maurer, G; Pacher, R; Wojta, J.
Prognostic value of pigment epithelium-derived factor in patients with advanced heart failure.
Chest. 2010; 138(3): 656-664.
Doi: 10.1378/chest.09-2739
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- Co-Autor*innen der Med Uni Graz
- Mahdy Ali Kariem
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- Abstract:
- Objective: Whereas angiogenesis, the formation of new blood vessels from preexisting vessels, may be beneficial in restoring failing myocardium, apoptosis may contribute to the progression of heart failure (HF). We investigated the role of pigment epithelium-derived factor (PEDF), a recently discovered antiangiogenic factor with additional proapoptotic effects, in patients with advanced HF. Methods: We assayed PEDF levels in 351 patients with advanced HF at baseline. During the median follow-up time of 16 months, 50% of patients experienced the composite end point of rehospitalization and/or death. Results: The risk of a clinical event increased with concentrations of the antiangiogenic marker PEDF, with a 1.94-fold higher risk in the third tertile compared with the first tertile (95% CI, 1.33-2.84). This association remained significant after adjustment for B-type natriuretic peptide (BNP) and other risk factors in a Cox regression model (P =.015). Experimental data revealed that PEDF may contribute to the progression of HF by inducing apoptosis in human cardiac myocytes and fibroblasts via activation of caspase 3. Conclusions: We suggest a role of PEDF in the progression of HF by inducing apoptosis of human cardiac myocytes and fibroblasts. Our clinical data suggest that PEDF concentrations may have the potential to become a valuable marker of the prognosis of HF, in addition to BNP. CHEST 2010; 138(3):656-664
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