Galectin-3 is associated with severe heart failure and death: A hospital-based study in Chinese patients
SCANDINAVIAN JOURNAL OF IMMUNOLOGY(2020)
Abstract
Heart failure (HF) is a serious disease syndrome characterized by elevated pro-inflammatory cytokines and inflammatory mediators presume to have significant contribution on disease progression. Galectins are carbohydrate-binding proteins responsible of various physiological functions. Role of galectins in heart failure has been ill-defined. In the present case-controls study, 136 patients clinically diagnosed with heart failure and 125 healthy Chinese controls were recruited. Levels of galectins (Gal-1, 3 and 9) and cytokines (IFN-gamma, IL-17A, IL-4 and TGF-beta) were quantified by ELISA. Increased levels of galectin-1 and 3 was observed in HF patients and associated with clinical severity. In addition, pro-inflammatory cytokines such as IFN-gamma and IL-17A were increased in patients whereas, anti-inflammatory TGF beta was decreased. Galectin-3 was positively correlated with IFN-gamma, IL-17A and inversely with TGF-beta. Furthermore, ROC curve analysis suggested galectin-3 as a promising biomarker for diagnosis and HF and clinical severity. Interestingly, a two-year follow-up indicated significant association of elevated galectin-3 with mortality due to HF. In conclusion, galectin-3 associated with HF and clinical manifestations possibly by inducing pro-inflammatory cytokines and could be a possible biomarker of HF and severe clinical conditions.
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Key words
biomarker,cytokine,galectin,heart failure,NYHA
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