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Title: | The association between triglyceride-rich lipoproteins, circulating leukocytes, and low-grade inflammation: The Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) |
Authors: | CESENA, Fernando Yue; GENEROSO, Giuliano; SANTOS, Raul D.; PEREIRA, Alexandre Costa; BLAHA, Michael J.; JONES, Steven R.; TOTH, Peter P.; LOTUFO, Paulo A.; BITTENCOURT, Marcio Sommer; BENSENOR, Isabela M. |
Citation: | JOURNAL OF CLINICAL LIPIDOLOGY, v.17, n.2, p.261-271, 2023 |
Abstract: | Background: Experimental studies have linked triglyceride-rich lipoproteins (TRLs) to inflamma-tion, but the extent of this phenomenon in vivo has not been completely elucidated.Objective: We investigated the association between TRL subparticles and inflammatory markers (circulating leukocytes, plasma high-sensitivity C-reactive protein [hs-CRP], and GlycA) in the general population.Methods: This was a cross-sectional analysis of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). TRLs (number of particles per unit volume) and GlycA were measured by nuclear mag-netic resonance spectroscopy. The association between TRLs and inflammatory mark ers w as determined by multiple linear regression models adjusted for demographic data, metabolic conditions, and lifestyle factors. Standardized regression coefficients (beta) with 95% confidence intervals are reported. Results: The study population comprised 4,001 individuals (54% females, age 50 +/- 9 years). TRLs, especially medium and large subparticles, were associated with GlycA (beta 0.202 [0.168, 0.235], p < 0.001 for total TRLs). There was no association between TRLs and hs-CRP (beta 0.022 [-0.011, 0.056], p = 0.190). Medium, large, and very large TRLs were associated with leukocytes, with stronger connections with neutrophils and lymphocytes than monocytes. When TRL subclasses were analyzed as the proportion of the total pool of TRL particles, medium and large TRLs were positively related to leukocytes and GlycA, whereas smaller particles were inversely associated.Conclusions: There are different patterns of association between TRL subparticles and inflammatory markers. The findings support the hypothesis that TRLs (especially medium and larger subparticles) may induce a low-grade inflammatory environment that involves leukocyte activation and is captured by GlycA, but not hs-CRP.(c) 2023 National Lipid Association. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - FM/MCM Artigos e Materiais de Revistas Científicas - FM/MCP Artigos e Materiais de Revistas Científicas - HC/InCor Artigos e Materiais de Revistas Científicas - LIM/13 Artigos e Materiais de Revistas Científicas - LIM/20 |
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