Luis M. Garcia-Segura , Pablo Méndez , M. Angeles Arevalo , Iñigo Azcoitia
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Neuroestradiol and neuronal development: Not an exclusive male tale anymore
The brain synthesizes a variety of neurosteroids, including neuroestradiol. Inhibition of neuroestradiol synthesis results in alterations in basic neurodevelopmental processes, such as neurogenesis, neuroblast migration, neuritogenesis and synaptogenesis. Although the neurodevelopmental actions of neuroestradiol are exerted in both sexes, some of them are sex-specific, such as the well characterized effects of neuroestradiol derived from the metabolism of testicular testosterone during critical periods of male brain development. In addition, recent findings have shown sex-specific actions of neuroestradiol on neuroblast migration, neuritic growth and synaptogenesis in females. Among other factors, the epigenetic regulation exerted by X linked genes, such as Kdm6a/Utx, may determine sex-specific actions of neuroestradiol in the female brain. This review evidences the impact of neuroestradiol on brain formation in both sexes and highlights the interaction of neural steriodogenesis, hormones and sex chromosomes in sex-specific brain development.
期刊介绍：
Frontiers in Neuroendocrinology (FIN) publishes a wide range of informative articles including comprehensive reviews, systematic reviews, opinion pieces, and meta-analyses. While the majority of reviews are invited, we also embrace unsolicited reviews and meta-analyses, as well as proposals for thematic special issues, provided they meet our rigorous quality standards. In addition, we encourage authors to submit commentaries that concisely present fresh ideas or offer further analysis to delve deeper into the implications of an article published in our journal.
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