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  • Title: Genetic determinants of circulating galectin-3 levels in patients with coronary artery disease.
    Author: Liao YH, Teng MS, Juang JJ, Chiang FT, Er LK, Wu S, Ko YL.
    Journal: Mol Genet Genomic Med; 2020 Sep; 8(9):e1370. PubMed ID: 32573962.
    Abstract:
    BACKGROUND: Galectin-3 plays a crucial role in the regulation of inflammation. The aim of this study was to elucidate the association between LGALS3 genotypes, galectin-3 levels, and inflammatory marker levels in patients with coronary artery disease (CAD). RESULTS: A total of 474 patients with CAD were enrolled. Significant correlations were discerned between galectin-3 levels and leukocyte counts, C-reactive protein, soluble intercellular adhesion molecule-1, and matrix metalloproteinase 9 levels (all p < .05). The LGALS3 rs2274273, rs4644, rs4652 genotypes, and haplotypes CAC, CCC, and ACT exhibited a significant association with galectin-3 levels (for genotypes, p = 1.05 × 10-25 , 3.54 × 10-25 , and 2.74 × 10-7 , respectively). Multivariate analysis showed LGALS3 rs2274273 and rs4644 genotypes contributing to 20.8% variation of galectin-3 levels. However, there was no association between LGALS3 genotypes and other inflammatory marker levels. CONCLUSIONS: Our data showed strong genetic determinants of galectin-3 levels in patients with CAD. The galectin-3 levels, but not LGALS3 genotypes, were associated with multiple inflammatory marker levels. Further study may be necessary to elucidate the molecular mechanism of galectin-3 in the pathogenesis of chronic inflammatory disorders.
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