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Title: Prospective association of physical activity and inflammatory biomarkers in older adults from the PREDIMED-Plus study with overweight or obesity and metabolic syndrome
Authors: Fuentes, Gabriela Cárdenas
Castañer, Olga
Warnberg, Julia
Subirana, Isaac
Buil-Cosiales, Pilar
Salas-Salvadó, Jordi
Corella, Dolores
Serra-Majem, Luis 
Romaguera, Dora
Estruch, Ramón
Martínez, J. Alfredo
Pintó, Xavier
Vázquez, Clotilde
Vidal, Josep
Tur, Josep A.
Arós, Fernando
Bullo, Mònica
Fitó, Montserrat
Schröder, Helmut
Keywords: Inflammation
Inflammatory Score
Light Physical Activity
Moderate-To-Vigorous Physical Activity
Prospective Study
Issue Date: 2020
Project: Efecto de la Dieta Mediterránea Hopocalórica y Promoción de la Actividad Física en Prevención Primaria Cardiovascular.Estudio Piloto Sobre Marcadores Intermedios. 
Journal: Clinical Nutrition 
Abstract: There is limited prospective evidence on the association between physical activity (PA) and inflammation in older adults. Our aim was to assess the associations between changes in PA and changes in the inflammatory profile in older individuals who are overweight or obese. Methods: This prospective study included 489 men and women, aged 55–75 years, from the PREDIMED-Plus trial. Levels of interleukin 6 (IL-6), interleukin 8 (IL-8), interleukin 18 (IL-18), monocyte chemo-attractant protein-1 (MCP-1), C-peptide, high-sensitivity C-reactive protein (hs-CRP), leptin, and regulated on activation, normal T-cell expressed and secreted chemokine (RANTES) were obtained from fasting blood samples and a composite inflammatory score based on these biomarkers was calculated. Physical activity was measured by a validated questionnaire. All measures were taken at baseline and one-year follow-up. Results: Multiple linear regression models showed an association between an increase in total PA and a decrease in the inflammatory score (p = 0.012), which was particularly driven by a decrease in C-peptide (p = 0.037). Similarly, the inflammatory score decreased with increasing moderate PA (p = 0.001), and moderate-to-vigorous PA (p = 0.006). Conclusions: Increases in total PA, moderate and moderate-to-vigorous PA were associated with a decrease in the inflammatory profile of obese or overweight older individuals. This finding is relevant for PA recommendations and public health strategies. Clinical trial registry: Clinical trial identifier: International Standard Randomized Controlled Trial 89898870.
ISSN: 0261-5614
DOI: 10.1016/j.clnu.2020.01.015
Source: Clinical Nutrition [ISSN 0261-5614], v. 39(10), p. 3092-3098, (Octubre 2020)
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