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Updated: Mar 1, 2026
11:27
Growing Neural Stem Cells from Conventional and Nonconventional Regions of the Adult Rodent Brain
Published on: November 18, 2013
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Sex steroids and neurogenesis
1Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France.
Biochemical Pharmacology
|June 3, 2017
Summary
Sex steroids like estrogens, androgens, and progestogens significantly impact adult neurogenesis, influencing cell proliferation, survival, and differentiation. Understanding these effects is crucial for brain health and potential therapies.
Area of Science:
- Neuroscience
- Endocrinology
- Cell Biology
Background:
- The brain is a dimorphic organ influenced by sex steroids, which are also synthesized within the brain.
- Sex steroids modulate various cerebral physiological processes, including adult neurogenesis.
Purpose of the Study:
- To review the effects of major sex steroids (estrogens, androgens, progestogens) on adult neurogenesis.
- To explore the mechanisms of action of these steroids on neuronal renewal.
- To consider the implications for the aging brain and potential therapeutic strategies.
Main Methods:
- Literature review focusing on sex steroid modulation of neurogenesis.
- Analysis of steroid effects on different neurogenesis stages: proliferation, survival, and differentiation.
- Inclusion of related nuclear receptor agonists.
Main Results:
- Estrogens appear to increase cell proliferation.
- Androgens and progestogens enhance neuronal renewal by promoting cell survival.
- Differentiation is a common target for all major sex steroids.
Conclusions:
- Sex steroids play a significant role in modulating adult neurogenesis.
- Knowledge of these actions is vital for understanding brain aging and developing therapeutic interventions.
- Targeting sex steroid pathways may offer new avenues for treating cognitive decline.
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