Journal
BIOMOLECULES
Volume 10, Issue 8, Pages -Publisher
MDPI
DOI: 10.3390/biom10081151
Keywords
adult neurogenesis; hormones; hippocampus; dentate gyrus
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Funding
- National Institutes of Health [NIMH] [R01-108527, R01-109450, R21-111998]
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Adult neurogenesis-resulting in adult-generated functioning, integrated neurons-is still one of the most captivating research areas of neuroplasticity. The addition of new neurons in adulthood follows a seemingly consistent multi-step process. These neurogenic stages include proliferation, differentiation, migration, maturation/survival, and integration of new neurons into the existing neuronal network. Most studies assessing the impact of exogenous (e.g., restraint stress) or endogenous (e.g., neurotrophins) factors on adult neurogenesis have focused on proliferation, survival, and neuronal differentiation. This review will discuss the multifaceted impact of hormones on these various stages of adult neurogenesis. Specifically, we will review the evidence for hormonal facilitation (via gonadal hormones), inhibition (via glucocorticoids), and neuroprotection (via recruitment of other neurochemicals such as neurotrophin and neuromodulators) on newly adult-generated neurons in the mammalian brain.
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