Reduction of Phosphorylated Synapsin I (Ser-553) Leads to Spatial Memory Impairment by Attenuating GABA Release after Microwave Exposure in Wistar Rats
Bioeffects Seen
Qiao S, Peng R, Yan H, Gao Y, Wang C, Wang S, Zou Y, Xu X, Zhao L, Dong J, Su Z, Feng X, Wang L, Hu X ·2014
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Reduction of phosphorylated synapsin I at the ser-553 site appears to mediate impaired GABA release and spatial memory deficits following microwave exposure in rats.
Plain English Summary
Summary written for general audiences
This study examined how microwave radiation exposure affects spatial memory in rats by investigating changes in phosphorylated synapsin I (p-Syn I), a protein involved in neurotransmitter release. The researchers found that microwave exposure (30 mW/cm² for 5 minutes) decreased spatial memory performance and reduced GABA neurotransmitter release, with p-Syn I (ser-553) playing a key role in this cognitive impairment through abnormal synaptic vesicle assembly in presynaptic terminals.
Why This Matters
This mechanistic study uses multiple experimental models (intact rats, isolated synaptosomes, and cell culture) to investigate a specific molecular pathway linking microwave exposure to cognitive effects. The findings suggest a potential biological mechanism involving synaptic protein modification that could explain neurotransmitter dysregulation observed in some electromagnetic field exposure studies.
Exposure Information
Specific exposure levels were not quantified in this study.
Cite This Study
Qiao S, Peng R, Yan H, Gao Y, Wang C, Wang S, Zou Y, Xu X, Zhao L, Dong J, Su Z, Feng X, Wang L, Hu X (2014). Reduction of Phosphorylated Synapsin I (Ser-553) Leads to Spatial Memory Impairment by Attenuating GABA Release after Microwave Exposure in Wistar Rats.
Show BibTeX
@article{qiao_s_peng_r_yan_h_gao_y_wang_c_wang_s_zou_y_xu_x_zhao_l_dong_j_su_z_feng_x_wang_l_hu_x_ce3448,
author = {Qiao S and Peng R and Yan H and Gao Y and Wang C and Wang S and Zou Y and Xu X and Zhao L and Dong J and Su Z and Feng X and Wang L and Hu X},
title = {Reduction of Phosphorylated Synapsin I (Ser-553) Leads to Spatial Memory Impairment by Attenuating GABA Release after Microwave Exposure in Wistar Rats},
year = {2014},
doi = {10.1088/1674-1137/41/1/013002},
}
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