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Review
. 2025 Oct;17(15):1123-1135.
doi: 10.1080/17501911.2025.2554569. Epub 2025 Sep 5.

Steroid hormone-mediated epigenetic programming during puberty: uncovering links to depression

Elizabeth DeSouza  1   2 , Georgia Kruck  1   2 , Corina Nagy  2   3
Affiliations
Review

Steroid hormone-mediated epigenetic programming during puberty: uncovering links to depression

Elizabeth DeSouza et al. Epigenomics. 2025 Oct.

Abstract

DNA methylation (DNAm) is a key epigenetic modification that dynamically regulates eukaryotic development over time. DNAm has been found to influence a variety of biological processes in both normative and pathological states, such as depression. Since DNAm can serve as an interface between environmental influence and gene expression, it is a mechanism studied in the context of many pathologies, including psychiatric. Depression is a complex and heterogeneous disorder strongly influenced by puberty, as evidenced by increased rates in both sexes after sexual maturation. However, this effect is more pronounced in females, contributing to its twofold increased lifetime prevalence compared to males. Additionally, depression is consistently associated with altered DNAm at specific genomic sites. In this review, we discuss how DNAm programming can affect functional pathways during puberty and in turn, influence disease outcomes. Here, we highlight the bidirectional relationship of steroid hormone surges during this sensitive period and DNAm, adding a layer of complexity and insight into the pathophysiology of depression. Specifically, we explore the extent of DNAm change throughout puberty, how it contributes to individual and sex-specific differences in puberty, and how it may influence the risk for depression.

Keywords: DNA methylation; depression; epigenomic regulation; puberty; steroid hormones.

Plain language summary

DNA methylation is like a switch that helps control how our genes are turned on or off. Because genes guide how the brain works, methylation can influence thoughts, feelings, and behavior. Research shows that changes in methylation patterns are linked to depression, which starting at puberty, is twice as common in females. When measured in blood or saliva, DNA methylation patterns often relate to hormone activity. Steroid hormones, such as cortisol, estrogen, and testosterone, and the receptors they act on, can shape methylation patterns directly or indirectly. Puberty is a sensitive window because hormone levels, stress, and life experiences can all drive changes in methylation, which may increase vulnerability to mental health problems. In adolescents with depression, differences in methylation suggest that important brain processes, including communication between neurons, brain plasticity, stress responses, and inflammation, may not work properly. We propose that fluctuations in steroid hormones during puberty may raise the risk of depression by altering methylation patterns in the brain.

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Conflict of interest statement

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

No writing assistance was utilized in the production of this manuscript.

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