期刊
METABOLITES
卷 12, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/metabo12111108
关键词
infection proneness; respiratory infections; metabolomics; steroids; immunity
Recurrent respiratory infections are a major cause of illness and death in early childhood. This study investigates the association between steroid metabolites and infection susceptibility in children. The findings suggest that lower levels of certain steroid metabolites may indicate a higher risk of infections. Further research is needed to evaluate the potential of using steroid metabolite measurement as a screening tool for infection susceptibility during this critical developmental period.
Recurrent respiratory infections are a leading cause of morbidity and mortality in early life, but there is no broadly accepted means to identify infection-prone children during this highly vulnerable period. In this study, we investigated associations between steroid metabolites and incident respiratory infections in two pre-birth cohorts to identify novel metabolomic signatures of early infection proneness. Children from the Vitamin D Antenatal Asthma Reduction Trial and the Copenhagen Prospective Studies on Asthma in Childhood were included, and profiling was performed on plasma samples collected at ages 1 and 6 years. Both cohorts recorded incidence of lower respiratory infections, upper respiratory infections, ear infections, and colds. Poisson regression analysis assessed the associations between 18 steroid metabolites and the total number of respiratory infections that occurred in offspring during follow-up. We found that steroid metabolites across androgenic, corticosteroid, pregnenolone, and progestin classes were reduced in children that suffered more infections, and these patterns persisted at age 6 years, generally reflecting consistency in direction of effect and significance. Our analysis suggested steroid metabolite measurement may be useful in screening for infection proneness during this critical developmental period. Future studies should clinically evaluate their potential utility as a clinical screening tool.
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