Electroacupuncture Ameliorates Cognitive Deficit and Improves Hippocampal Synaptic Plasticity in Adult Rat with Neonatal Maternal Separation

Lili Guo, Ximin Liang, Zhanmou Liang, Xilin Liu, Jiang He, Yuanjia Zheng, Lin Yao, Yongjun Chen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Exposure to adverse early-life events is thought to be the risk factors for the development of psychiatric and altered cognitive function in adulthood. The purpose of this study was to investigate whether electroacupuncture (EA) treatment in young adult rat would improve impaired cognitive function and synaptic plasticity in adult rat with neonatal maternal separation (MS). Wistar rats were randomly divided into four groups: control group, MS group, MS with EA treatment (MS + EA) group, and MS with Sham-EA treatment (MS + Sham-EA) group. We evaluated the cognitive function by using Morris water maze and fear conditioning tests. Electrophysiology experiment used in vivo long-term potentiation (LTP) at Schaffer Collateral-CA1 synapses was detected to assess extent of synaptic plasticity. Repeated EA stimulation at Baihui (GV 20) and Yintang (GV 29) during postnatal 9 to 11 weeks was identified to significantly ameliorate poor performance in behavior tests and improve the impaired LTP induction detected at Schaffer Collateral-CA1 synapse in hippocampus. Collectively, the findings suggested that early-life stress due to MS may induce adult cognitive deficit associated with hippocampus, and EA in young adult demonstrated that its therapeutic efficacy may be via ameliorating deficit of hippocampal synaptic plasticity.

Original languageEnglish (US)
Article number2468105
JournalEvidence-based Complementary and Alternative Medicine
Volume2018
DOIs
StatePublished - Jan 1 2018

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Electroacupuncture
Neuronal Plasticity
Mothers
Hippocampus
Cognition
Long-Term Potentiation
Synapses
Young Adult
Electrophysiology
Psychological Stress
Fear
Psychiatry
Wistar Rats
Therapeutics
Placebos
Control Groups
Water

ASJC Scopus subject areas

  • Complementary and alternative medicine

Cite this

Electroacupuncture Ameliorates Cognitive Deficit and Improves Hippocampal Synaptic Plasticity in Adult Rat with Neonatal Maternal Separation. / Guo, Lili; Liang, Ximin; Liang, Zhanmou; Liu, Xilin; He, Jiang; Zheng, Yuanjia; Yao, Lin; Chen, Yongjun.

In: Evidence-based Complementary and Alternative Medicine, Vol. 2018, 2468105, 01.01.2018.

Research output: Contribution to journalArticle

Guo, Lili ; Liang, Ximin ; Liang, Zhanmou ; Liu, Xilin ; He, Jiang ; Zheng, Yuanjia ; Yao, Lin ; Chen, Yongjun. / Electroacupuncture Ameliorates Cognitive Deficit and Improves Hippocampal Synaptic Plasticity in Adult Rat with Neonatal Maternal Separation. In: Evidence-based Complementary and Alternative Medicine. 2018 ; Vol. 2018.
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