The “Window Effect” Study on the Effect of 1800 MHz Electromagnetic Radiation Irradiation on GFAP Expression in the Hippocampus of Rats

Xiaoshuang XU; Qing XIONG; Yuan ZHANG; Huixin WU; Limei HE; Yunzhen MU

doi:10.12259/j.issn.2095-610X.S20240304

Volume 45 Issue 3

Mar. 2024

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Xiaoshuang XU, Qing XIONG, Yuan ZHANG, Huixin WU, Limei HE, Yunzhen MU. The “Window Effect” Study on the Effect of 1800 MHz Electromagnetic Radiation Irradiation on GFAP Expression in the Hippocampus of Rats[J]. Journal of Kunming Medical University, 2024, 45(3): 30-34. doi: 10.12259/j.issn.2095-610X.S20240304

Citation:

Xiaoshuang XU, Qing XIONG, Yuan ZHANG, Huixin WU, Limei HE, Yunzhen MU. The “Window Effect” Study on the Effect of 1800 MHz Electromagnetic Radiation Irradiation on GFAP Expression in the Hippocampus of Rats[J]. Journal of Kunming Medical University, 2024, 45(3): 30-34. doi: 10.12259/j.issn.2095-610X.S20240304

Citation:

Xiaoshuang XU, Qing XIONG, Yuan ZHANG, Huixin WU, Limei HE, Yunzhen MU. The “Window Effect” Study on the Effect of 1800 MHz Electromagnetic Radiation Irradiation on GFAP Expression in the Hippocampus of Rats[J]. Journal of Kunming Medical University, 2024, 45(3): 30-34. doi: 10.12259/j.issn.2095-610X.S20240304

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The “Window Effect” Study on the Effect of 1800 MHz Electromagnetic Radiation Irradiation on GFAP Expression in the Hippocampus of Rats

doi: 10.12259/j.issn.2095-610X.S20240304

1.
School of Public Health，Kunming Medical University，Kunming Yunnan 650500
2.
Enviromental Health Center，Yunnan Provincial Center for Disease Control and Prevention，Kunming Yunnan 650500
3.
Biomedical Engineering Research Center，Kunming Medical University，Kunming Yunnan 650500，China

Received Date: 2023-03-20
Available Online: 2024-03-11
Publish Date: 2024-03-30

Abstract

Abstract

Objective To investigate the effect of electromagnetic wave power density on the expression of glial fibrillary acidic protein（GFAP） in the hippocampus of SD rats under 1800 MHz electromagnetic wave irradiation, and whether it exhibits a “window effect”. Methods Ninety-eight 4-week-old SPF-grade SD rats were randomly divided into 14 groups, with 7 rats in each group. Seven groups were exposed groups （frequency: 1800 MHz, power densities: 0.1 mW/cm², 0.3 mW/cm², 0.5 mW/cm², 0.7 mW/cm², 0.9 mW/cm², 1.0 mW/cm², 1.2 mW/cm²） and corresponding 7 groups were control groups（power density: 0 mW/cm²）. Exposure was conducted for 12 hours daily for 3 weeks. After exposure, Western Blot was used to detect the expression level of GFAP in the hippocampal tissue, and immunohistochemistry staining was performed to determine the average optical density（MOD） value of GFAP-positive expression products in the DG, CA3, and CA1 regions of the hippocampal tissue, to determine the power density window of GFAP expression in the hippocampus of SD rats under 1800 MHz exposure. Results At power densities of 0.1 mW/cm² and 0.3 mW/cm², Western Blot results showed increased expression of GFAP in the rat hippocampus（P < 0.05）, and immunohistochemistry staining demonstrated increased MOD values of GFAP in the three regions（P < 0.05）. Conclusion Long-term exposure to 1800 MHz electromagnetic radiation has a “window effect” on the expression of GFAP in the DG, CA3, and CA1 regions of the hippocampus in SD rats, with power density windows of 0.1 mW/cm² and 0.3 mW/cm².
- Electromagnetic wave,
- Glial fibriliary acidic protein（GFAP）,
- The window effect,
- 1 800 MHz

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References(15)

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