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[The effect of glucocorticoid on neural system development]
Sheng Li Ke Xue Jin Zhan [Progress in Physiology]
|January 21, 2003
Summary
Glucocorticoids impact the developing, adult, and aged central nervous system. These hormones influence neural development, plasticity, and survival, but can be detrimental in aging.
Area of Science:
- Neuroendocrinology
- Developmental Neuroscience
Context:
- Glucocorticoids are key regulators of the hypothalamic-pituitary-adrenocortical (HPA) axis.
- Their effects vary significantly across different life stages, from development to aging.
Purpose:
- To elucidate the multifaceted roles of glucocorticoids in neural system development and function.
- To highlight the differential impact of glucocorticoids on neural survival, plasticity, and aging.
Summary:
- In early development, glucocorticoids modulate neural survival, outgrowth, and programmed cell death via HPA axis regulation.
- In adults, they influence neuronal plasticity by altering gene expression.
- In aged individuals, glucocorticoids often exhibit neurotoxic effects.
Impact:
- Understanding glucocorticoid's neurobiological roles is crucial for addressing developmental disorders and age-related neurological decline.
- This research underscores the critical importance of glucocorticoids throughout the lifespan of the neural system.