期刊
CURRENT OPINION IN PEDIATRICS
卷 33, 期 4, 页码 449-457出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MOP.0000000000001035
关键词
adiposity; genetics; leptin; obesity; puberty
类别
资金
- National Institutes of Health [R01 DK98466]
Recent studies have confirmed the link between increased adiposity and early puberty in both girls and boys. In addition to genetic and epigenetic factors, environmental influences such as prenatal and postnatal environment, gut microbiota, and endocrine-disrupting chemicals also play a role in obesity and early puberty.
Purpose of review The objective of this review is to assess the most recent literature on pubertal trends in boys and girls as well as evaluate genetic, epigenetic, and environmental factors implicated in the timing of pubertal progression. Recent findings Recent studies confirm the previously described link between increased adiposity and earlier onset of puberty in girls, and more recent studies shed light onto the previously unclear situation in boys as a preponderance of recent longitudinal studies suggests that increased adiposity is linked with earlier pubertal timing also in boys. Discoveries of novel pathways highlights the complexity of pubertal development and suggest mechanistic links between nutrition, obesity, leptin, insulin resistance, and puberty. Furthermore, genetic and epigenetic variants can be linked to early puberty. Other factors, such as prenatal and postnatal environment, gut microbiota, and endocrine-disrupting chemicals have also been linked to both obesity and earlier puberty. Understanding how the interactions of these factors contribute the relationship between obesity and early pubertal onset is crucial as early puberty has been linked with long-term consequences, such as short stature, earlier type 2 diabetes, cardiovascular disease, and poor psychological and behavioral outcomes.
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