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Publication Detail

Title: Accelerometer-measured Physical Activity, Reproductive Hormones, and DNA Methylation.

Authors: Wu, Yue; Goodrich, Jaclyn M; Dolinoy, Dana C; SÁnchez, Brisa N; Ruiz-NarvÁez, Edward A; Banker, Margaret; Cantoral, Alejandra; Mercado-Garcia, Adriana; TÉllez-Rojo, Martha M; Peterson, Karen E

Published In Med Sci Sports Exerc, (2020 03)

Abstract: Limited studies have examined the association of physical activity with reproductive hormones, DNA methylation, and pubertal status among adolescents.Among 248 boys and 271 girls, we estimated daily physical activity levels based on 7 d of wrist-worn accelerometer data. We used an isotemporal substitution paradigm and sex-stratified regression models to examine the association of physical activity levels with 1) testosterone, cortisol, progesterone, and androstenedione concentrations; 2) DNA methylation of long interspersed nucleotide (LINE-1) repeats and the genes H19, hydroxysteroid (11-Beta) dehydrogenase 2 (HSD11B2), and peroxisome proliferator-activated receptor alpha (PPARA) from blood leukocytes; and 3) Tanner stages, adjusted for age, BMI, and socioeconomic status.In boys, substituting 30 min of moderate physical activity for 30 min of sedentary behavior per day was associated with 29% (-49%, 0%) of lower testosterone and 29% (4%, 61%) of higher progesterone. Substituting 30 min of light physical activity for sedentary behavior was associated with 13% (-22%, -2%) of lower progesterone. Among girls, 30 min of additional sedentary behavior was associated with 8% (-15%, 0%) of lower testosterone and 24% (8%, 42%) of higher progesterone concentrations. Substituting 30 min of moderate physical activity for sedentary behavior was associated with 15% (0%, 31%) of higher cortisol, whereas substituting the same amount of light physical activity for sedentary behavior was associated with 22% (-39%, 0%) of lower progesterone. Substituting 30 min of vigorous physical activity for sedentary behavior per day was associated with almost six times higher levels (5.83, 95% confidence interval = 1.79-9.86) of HSD11B2 methylation in boys.Accelerometer-measured daily physical activity was associated with reproductive hormones and HSD11B2 DNA methylation, differed by sex and activity intensity levels.

PubMed ID: 31652236 Exiting the NIEHS site

MeSH Terms: Accelerometry; Androstenedione/blood; Body Mass Index; DNA Methylation*; Exercise/psychology*; Female; Gonadal Steroid Hormones/blood*; Humans; Hydrocortisone/blood; Leukocytes; Male; Progesterone/blood; Puberty/physiology*; Sedentary Behavior; Sexual Maturation/physiology; Socioeconomic Factors; Testosterone/blood

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