Association of Growth Differentiation Factor 15 with Arterial Stiffness and Endothelial Function in Subpopulations of Patients with Coronary Artery Disease: A Proof-of-Concept Study.

Mourouzis, Konstantinos; Siasos, Gerasimos; Bozini, Nikoleta; Oikonomou, Evangelos; Zaromitidou, Marina; Tsigkou, Vasiliki; Kokkou, Eleni; Bletsa, Evanthia; Stampouloglou, Panagiota; Vavuranakis, Manolis; Tousoulis, Dimitris

doi:10.2174/2772270817666221104120923

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2022

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Title:: Association of Growth Differentiation Factor 15 with Arterial Stiffness and Endothelial Function in Subpopulations of Patients with Coronary Artery Disease: A Proof-of-Concept Study.
Document type:: Journal Article
Author(s):: Mourouzis, Konstantinos; Siasos, Gerasimos; Bozini, Nikoleta; Oikonomou, Evangelos; Zaromitidou, Marina; Tsigkou, Vasiliki; Kokkou, Eleni; Bletsa, Evanthia; Stampouloglou, Panagiota; Vavuranakis, Manolis; Tousoulis, Dimitris
Abstract:: BACKGROUND: Growth-differentiation factor-15 (GDF-15) is a biomarker belonging to the transforming growth factor-beta cytokine superfamily, which is linked to many pathological conditions, including inflammation and myocardial injury. Pulse wave velocity (cfPWV) and augmentation index (AIx) are indices of arterial stiffness, which are associated with the severity of coronary artery disease (CAD). Flow-mediated dilatation (FMD) is a well-studied surrogate marker of endothelial-dependent dysfunction and systemic inflammation. OBJECTIVE: In this proof-of-concept study, we aimed to investigate the relationship between circulating GDF-15, endothelial dysfunction, and indices of arterial stiffness in different settings of coronary artery disease and myocardial injury. METHODS: In this cross-sectional single-center study, we enrolled patients (n = 22) after interventional treatment for acute myocardial infarction (AMI), patients (n = 11) admitted with chest pain and elevated cardiac enzymes but without evidence of obstructing CAD (MI-NOCAD) in percutaneous coronary angiography (CAG), and patients (n = 20) who underwent CAG according to indications without evident obstructive CAD in CAG (NOCAD). FMD was assessed at the brachial artery. AIx of the central aortic pressure and cfPWV were estimated by applanation tonometry at the radial and carotid-femoral site, respectively, with a validated acquisition system (Sphygmo- Cor, AtCor Medical, Sydney (NSW), Australia). ELISA was used to determine circulating GDF- 15 serum levels (R&D Systems, Minneapolis, MN). Clinical and demographic data and values of routine biochemical biomarkers were obtained. The highest high-sensitive cardiac Troponin I (hsTpnI) value during hospitalization was also recorded. Left ventricular ejection fraction (LVEF) was assessed with a transthoracic echocardiogram. RESULTS: Patients with AMI were older, had worse LVEF, higher values of hsTpnI and increased circulating GDF-15 levels. Importantly, AMI patients had increased cfPWV values, deteriorated AIx values, blunted FMD and worse serum creatinine levels compared to MI-NOCAD and NOCAD patients, respectively, whereas MI-NOCAD and NOCAD did not differ from each other significantly on these biomarkers. Both AMI and MI-NOCAD patients presented a higher but comparable white blood cell count than NOCAD patients. A strong linear correlation between GDF-15 and cfPWV, hsTpnI, AIx, white blood cell count and creatinine but not with FMD was demonstrated in the general study population. CONCLUSION: This proof-of-concept study showed that higher circulating levels of GDF-15, an inflammatory biomarker, were associated significantly with increased arterial stiffness only in AMI patients, whereas elevated GDF-15 demonstrated a linear relationship with the severity of the myocardial injury.
Journal title abbreviation:: Recent Adv Inflamm Allergy Drug Discov
Year:: 2022
Journal volume:: 16
Journal issue:: 2
Pages contribution:: 107-115
Fulltext / DOI:: doi:10.2174/2772270817666221104120923
Pubmed ID:: http://view.ncbi.nlm.nih.gov/pubmed/36336806
Print-ISSN:: 2772-2708
TUM Institution:: Klinik für Herz- und Gefäßchirurgie (Prof. Lange)
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Clinical Medicine Lehr- und Forschungskooperationen mit den Kliniken und Instituten am Deutschen Herzzentrum Klinik für Herz- und Gefäßchirurgie (DHM) (Prof. Krane)2022