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Monitoring Astrocyte Reactivity and Proliferation in Vitro Under Ischemic-Like Conditions
Published on: October 21, 2017
Resveratrol modulates astroglial functions: neuroprotective hypothesis
André Quincozes-Santos1, Carmem Gottfried
1Department of Biochemistry, Institute of Health's Basic Science, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
Annals of the New York Academy of Sciences
|January 26, 2011
Summary
Resveratrol, found in grapes, offers neuroprotection by improving astrocyte function. This study explores its effects on brain plasticity, focusing on key parameters like glutamate uptake and antioxidant defenses.
Area of Science:
- Neuroscience
- Cell Biology
- Pharmacology
Background:
- Resveratrol, a natural polyphenol from grapes and wine, exhibits diverse biological activities.
- It crosses the blood-brain barrier, demonstrating potential neuroprotective effects.
- Astrocytes play crucial roles in neuronal support, synaptic plasticity, and neuroprotection.
Purpose of the Study:
- To review the effects of resveratrol on astrocyte functions relevant to brain plasticity.
- To investigate resveratrol's impact on astroglial responses to oxidative stress.
- To highlight resveratrol's potential in modulating key parameters like glutamate uptake and antioxidant capacity.
Main Methods:
- Literature review focusing on resveratrol's action on astrocytes.
- Analysis of studies examining resveratrol's influence on glutamate uptake.
- Examination of research on resveratrol's effects on glutamine synthetase activity and glutathione levels.
Main Results:
- Resveratrol modulates glutamate uptake by astrocytes, influencing neurotransmission.
- It impacts glutamine synthetase activity, crucial for glutamate homeostasis.
- Resveratrol enhances glutathione content, bolstering antioxidant defense in astrocytes.
- The compound affects the secretion of the neurotrophic factor S100B.
Conclusions:
- Resveratrol exerts significant neuroprotective effects by modulating astrocyte functions.
- It enhances the brain's resilience to oxidative insult through improved glial parameters.
- Resveratrol shows promise as a therapeutic agent for neurological conditions involving astroglial dysfunction.
