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Article Publish Status: FREE
Abstract Title:

Elevation of plasma corticosterone levels and hippocampal glucocorticoid receptor translocation in rats: a potential mechanism for cognition impairment following chronic low-power-density microwave exposure.

Abstract Source:

J Radiat Res. 2008 Mar ;49(2):163-70. Epub 2008 Jan 16. PMID: 18198477

Abstract Author(s):

Maoquan Li, Yanyan Wang, Yanwen Zhang, Zhou Zhou, Zhengping Yu

Article Affiliation:

Maoquan Li

Abstract:

The goal of this study was to investigate whether glucocorticoids (GCs) take part in cognition impairment after exposure to chronic low-power-density microwave (MW) fields. We exposed Wistar rats to a 2.45-GHz pulsed MW field at an average power density of 1 mW/cm(2) for 3 h daily, for up to 30 days. Our results show that MW-exposed rats had significant deficits in spatial learning and memory performance. MW exposure increased levels of plasma corticosterone, and consequently GC receptor (GR) nuclear translocation and apoptosis in the hippocampus. However, co-administration of the GR antagonist RU486 with MW exposure partially reversed the cognitive impairment and neuronal loss. These data indicate that GCs might contribute to the cognition deficit induced by chronic low-power-density MW exposure.

Study Type : Animal Study

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Sayer Ji
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