Inflammatory markers and bone mass in children with overweight/obesity: the role of muscular fitness
PEDIATRIC RESEARCH(2019)
摘要
Objectives To examine which inflammatory markers are associated with bone mass and whether this association varies according to muscular fitness in children with overweight/obesity. Methods Plasma interleukin-1β (IL-1β), IL-6, tumor necrosis factor-α (TNF-α), epidermal growth factor, vascular endothelial growth factor A (VEGF), and C-reactive protein were analyzed in 55 children aged 8–11 years. A muscular fitness score was computed. Bone mineral content (BMC) of the total body-less head (TBLH) and lumbar spine (LS) were assessed using dual-energy x-ray absorptiometry. Results IL-6 ( β = −0.136) and VEGF ( β = −0.099) were associated with TBLH BMC, while TNF-α ( β = −0.345) and IL-1β ( β = 0.212) were associated with LS BMC ( P < 0.05). The interaction effect of muscular fitness showed a trend in the association of VEGF with TBLH BMC ( P = 0.122) and TNF-α with LS BMC ( P = 0.057). Stratified analyses by muscular fitness levels showed an inverse association of VEGF with TBLH BMC ( β = −0.152) and TNF-α with LS BMC ( β = −0.491) in the low-fitness group, while no association was found in the high-fitness group. Conclusion IL-6, VEGF, TNF-α, and IL-1β are significantly associated with bone mass. Higher muscular fitness may attenuate the adverse effect of high VEGF and TNF-α on bone mass.
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关键词
Medicine/Public Health,general,Pediatrics,Pediatric Surgery
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