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13-08-2019 | Uitgave 7/2020

Journal of Youth and Adolescence 7/2020

Pubertal Status and Age are Differentially Associated with Inflammatory Biomarkers in Female and Male Adolescents

Tijdschrift:
Journal of Youth and Adolescence > Uitgave 7/2020
Auteurs:
Allison Stumper, Daniel P. Moriarity, Christopher L. Coe, Lauren M. Ellman, Lyn Y. Abramson, Lauren B. Alloy
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Abstract

A better understanding of the maturational correlates of inflammatory activity during adolescence is needed to more appropriately study both normal and abnormal development. Inflammation is the immune system’s first response to infection, injury, or psychological stress, and it has been shown to be elevated in individuals with both physical and psychological conditions. This study examined unique associations between (1) pubertal status and inflammatory biomarkers, and (2) age and inflammatory biomarkers, and whether these relationships differed by sex in a diverse sample of 155 adolescents (54.2% female, 45.8% male; Mage = 16.22) from a northeastern city in the US. A more advanced pubertal status was uniquely associated with lower levels of tumor necrosis factor alpha (TNF-α) and interleukin-8 (IL-8). Chronological age was uniquely associated with lower IL-8 levels. The association between pubertal status and C-reactive protein (CRP) levels differed by sex: more mature females had higher CRP, whereas pubertal status and CRP were not significantly associated in males. These findings highlight an important relation between pubertal development and inflammatory activity during adolescence.

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