Article Publish Status: FREE
Abstract Title:

Curcumin improves synaptic plasticity impairment induced by HIV-1gp120 V3 loop.

Abstract Source:

Neural Regen Res. 2015 Jun ;10(6):925-31. PMID: 26199609

Abstract Author(s):

Ling-Ling Shen, Ming-Liang Jiang, Si-Si Liu, Min-Chun Cai, Zhong-Qiu Hong, Li-Qing Lin, Yan-Yan Xing, Gui-Lin Chen, Rui Pan, Li-Juan Yang, Ying Xu, Jun Dong

Article Affiliation:

Ling-Ling Shen


Curcumin has been shown to significantly improve spatial memory impairment induced by HIV-1 gp120 V3 in rats, but the electrophysiological mechanism remains unknown. Using extracellular microelectrode recording techniques, this study confirmed that the gp120 V3 loop could suppress long-term potentiation in the rat hippocampal CA1 region and synaptic plasticity, and that curcumin could antagonize these inhibitory effects. Using a Fura-2/AM calcium ion probe, we found that curcumin resisted the effects of the gp120 V3 loop on hippocampal synaptosomes and decreased Ca(2+) concentration in synaptosomes. This effect of curcumin was identical to nimodipine, suggesting that curcumin improved the inhibitory effects of gp120 on synaptic plasticity, ameliorated damage caused to the central nervous system, and might be a potential neuroprotective drug.

Study Type : Animal Study, In Vitro Study

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