Related Experiment Video
Updated: Apr 6, 2026
12:07
A Thin-skull Window Technique for Chronic Two-photon In vivo Imaging of Murine Microglia in Models of Neuroinflammation
Published on: September 19, 2010
24.6K
Curcumin improves synaptic plasticity impairment induced by HIV-1gp120 V3 loop
Ling-Ling Shen1, Ming-Liang Jiang2, Si-Si Liu2
1Department of Pathophysiology, Key Laboratory of the State Administration of Traditional Chinese Medicine, Medical College of Jinan University, Guangzhou, Guangdong Province, China.
Neural Regeneration Research
|July 23, 2015
Summary
Curcumin combats HIV-1 gp120 V3-induced spatial memory loss in rats by preserving synaptic plasticity and reducing calcium levels in the hippocampus. This suggests curcumin as a potential neuroprotective agent against central nervous system damage.
Area of Science:
- Neuroscience
- Pharmacology
- Molecular Biology
Background:
- HIV-1 gp120 V3 loop is implicated in spatial memory impairment.
- The electrophysiological mechanisms underlying this impairment are not fully understood.
- Curcumin has demonstrated potential in mitigating cognitive deficits.
Purpose of the Study:
- To investigate the electrophysiological mechanisms by which HIV-1 gp120 V3 affects hippocampal synaptic plasticity.
- To determine if curcumin can antagonize the inhibitory effects of gp120 V3 on synaptic plasticity.
- To explore the role of calcium ions in the neuroprotective effects of curcumin.
Main Methods:
- Extracellular microelectrode recordings in the rat hippocampal CA1 region.
- Assessment of long-term potentiation (LTP) and synaptic plasticity.
- Fura-2/AM calcium ion probe utilized to measure intracellular calcium concentrations in synaptosomes.
Main Results:
- HIV-1 gp120 V3 suppressed LTP and synaptic plasticity in the rat hippocampus.
- Curcumin antagonized the inhibitory effects of gp120 V3 on synaptic plasticity.
- Curcumin resisted gp120 V3's effects on hippocampal synaptosomes and decreased Ca(2+) concentration, similar to nimodipine.
Conclusions:
- Curcumin ameliorates HIV-1 gp120 V3-induced synaptic plasticity impairment.
- Curcumin exhibits neuroprotective effects against central nervous system damage.
- Curcumin shows potential as a therapeutic agent for neuroprotection.
