期刊
EPIGENETICS
卷 6, 期 6, 页码 675-680出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/epi.6.6.16177
关键词
histone acetylation; DNA methylation; estradiol; cognition; hippocampus
资金
- National Institute on Aging [AG022525]
Epigenetic processes have been implicated in everything from cell proliferation to maternal behavior. Epigenetic alterations, including histone alterations and DNA methylation, have also been shown to play critical roles in the formation of some types of memory, and in the modulatory effects that factors, such as stress, drugs of abuse and environmental stimulation, have on the brain and memory function. Recently, we demonstrated that the ability of the sex-steroid hormone 17 beta-estradiol (E-2) to enhance memory formation is dependent on histone acetylation and DNA methylation, a finding that has important implications for understanding how hormones influence cognition in adulthood and aging. In this article, we provide an overview of the literature demonstrating that epigenetic processes and E-2 influence memory, describe our findings indicating that epigenetic alterations regulate E-2-induced memory enhancement, and discuss directions for future work on the epigenetics of estrogen.
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