Background: Over the last two decades, many studies have investigated the association between interleukin 6 (IL-6) and pathogenesis and progression of coronary artery disease (CAD). Patients with CAD manifested at a young age are a particularly interesting group. They differ from older patients, not only in terms of the severity of coronary artery atherosclerosis, but also risk factor profiles, short- and long-term prognosis after myocardial infarction (MI). The role of IL-6 in younger patients with CAD is less well-known. Therefore, our study aimed to analyze the relationship between IL-6 level and other inflammations, atherosclerosis, and cardiac function parameters in early onset CAD patients. Methods: The study covered 100 patients with early onset CAD and a group of 50 healthy participants. Plasma levels of IL-6 and basic biochemical parameters, anthropometric, echocardiographic, and arteries Doppler ultrasound measurements were performed. Results: We did not observe a significant difference in IL-6 concentration in plasma between patients with early onset CAD and a control group, but IL-6 level was negatively correlated with echocardiographic measurements of ascending aorta diameter, left ventricular shortening fraction, and right ventricular end-diastolic diameter in our patients. Conclusions: In patients with early onset CAD, plasma IL-6 level is associated with other inflammation parameters and with cardiac function, potentially contributing to right ventricular remodeling and left ventricular systolic dysfunction. This suggests possible prognostic benefits of long-time observation of IL-6 level after the acute coronary syndrome.
ABSTRAKTWstęp: Badania wskazują, że stężenie białka sCD36 w osoczu mogłoby być markerem aktywacji makrofagów i stanu zapalnego oraz przyspieszonej akumulacji lipidów w ścianie naczyniowej, które w rezultacie prowadzą do miażdżycy tętnic.Celem badania było opracowanie wiarygodnej metodyki oznaczania sCD36.Materiały i metody: Jako materiał do opracowania metodyki oznaczania stężenia sCD36 w osoczu testem ELISA posłużyły pobrane na czczo próbki krwi od losowo wybranych zdrowych osób, które zgłosiły się na obowiązkowe badania kontrolne w Przychodni Medycyny Pracy.Wyniki: Wykazano możliwe problemy w pomiarze stężenia sCD36 w osoczu metodą ELISA. Wskazano również, że interakcje sCD36 z innymi czynnikami mogą wpływać w szerokim zakresie na stężenie sCD36 w osoczu.Wnioski: Uwzględniając pewne ograniczenia, test ELISA można wykorzystać do oznaczania stężenia sCD36 w osoczu ludzkim.
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