Abstract
Acute coronary syndrome (ACS) is the leading cause of death in elderly patients worldwide. Due its participation in apoptosis, fibrosis, and angiogenesis, transforming growth factor-β (TGF-β) isoforms had been categorized as risk factors for cardiovascular diseases. However, due their contradictory activities, a cardioprotective role has been suggested. The aim was to measure the plasma levels of TGF-β1, 2, and 3 proteins in patients with ACS. This was a case-control study including 225 subjects. The three activated isoforms were measured in serum using the Bio-Plex Pro TGF-β assay by means of magnetic beads; the fluorescence intensity of reporter signal was read in a Bio-Plex Magpix instrument. We observed a significant reduction of the three activated isoforms of TGF-β in patients with ACS. The three TGF-β isoforms were positively correlated with each other in moderate-to-strong manner. TGFβ-2 was inversely correlated with glucose and low-density lipoprotein (LDL)-cholesterol, whereas TGF-β3 was inversely correlated with the serum cholesterol concentration. The production of TGF-β1, TGF-β2, and TGF-β3 are decreased in the serum of patients with ACS. Further follow-up controlled studies with a larger sample size are needed, in...Continue Reading
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