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For: Wang H, Tan S, Dong J, Zhang J, Yao B, Xu X, Hao Y, Yu C, Zhou H, Zhao L, Peng R. iTRAQ quantitatively proteomic analysis of the hippocampus in a rat model of accumulative microwave-induced cognitive impairment. Environ Sci Pollut Res Int 2019;26:17248-17260. [PMID: 31012066 DOI: 10.1007/s11356-019-04873-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 03/13/2019] [Indexed: 06/09/2023]

For:	Wang H, Tan S, Dong J, Zhang J, Yao B, Xu X, Hao Y, Yu C, Zhou H, Zhao L, Peng R. iTRAQ quantitatively proteomic analysis of the hippocampus in a rat model of accumulative microwave-induced cognitive impairment. Environ Sci Pollut Res Int 2019;26:17248-17260. [PMID: 31012066 DOI: 10.1007/s11356-019-04873-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 03/13/2019] [Indexed: 06/09/2023]

Number

Cited by Other Article(s)

Men J, Zhang L, Peng R, Li Y, Li M, Wang H, Zhao L, Zhang J, Wang H, Xu X, Dong J, Wang J, Yao B, Guo J. Metformin Ameliorates 2.856 GHz Microwave- Radiation-Induced Reproductive Impairments in Male Rats via Inhibition of Oxidative Stress and Apoptosis. Int J Mol Sci 2023;24:12250. [PMID: 37569626 PMCID: PMC10418945 DOI: 10.3390/ijms241512250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open

Affiliation(s)

Junqi Men PLA Center for Disease Control and Prevention, Beijing 100071, China; (J.M.); (L.Z.) Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.) School of Public Health, China Medical University, Shenyang 110122, China
Li Zhang PLA Center for Disease Control and Prevention, Beijing 100071, China; (J.M.); (L.Z.)
Ruiyun Peng Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Yanyang Li Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Meng Li Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Hui Wang Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Li Zhao Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Jing Zhang Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Haoyu Wang Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Xinping Xu Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Ji Dong Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Juan Wang Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Binwei Yao Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, China; (R.P.); (Y.L.); (M.L.); (H.W.); (L.Z.); (J.Z.); (H.W.); (X.X.); (J.D.); (J.W.)
Jiabin Guo PLA Center for Disease Control and Prevention, Beijing 100071, China; (J.M.); (L.Z.) School of Public Health, China Medical University, Shenyang 110122, China

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Yao C, Dong J, Ren K, Sun L, Wang H, Zhang J, Wang H, Xu X, Yao B, Zhou H, Zhao L, Peng R. Accumulative Effects of Multifrequency Microwave Exposure with 1.5 GHz and 2.8 GHz on the Structures and Functions of the Immune System. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023;20:4988. [PMID: 36981897 PMCID: PMC10049199 DOI: 10.3390/ijerph20064988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]

Bayat M, Karimi N, Karami M, Haghighi AB, Bayat K, Akbari S, Haghani M. Chronic exposure to 2.45 GHz microwave radiation improves cognition and synaptic plasticity impairment in vascular dementia model. Int J Neurosci 2023;133:111-122. [PMID: 33635159 DOI: 10.1080/00207454.2021.1896502] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]

Microwave radiation induces neuronal autophagy through miR-30a-5p/AMPKα2 signal pathway. Biosci Rep 2022;42:231072. [PMID: 35322852 PMCID: PMC9069443 DOI: 10.1042/bsr20212584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 12/09/2022] Open

Abstract

The potential health hazards of microwaves have attracted much more attention. Our previous study found that 2856 MHz microwave radiation damaged synaptic plasticity and activated autophagy in neurons. However, the mechanisms underlying microwave-induced autophagy were still unclear. In the present study, we established neuronal damage models by exposing rat hippocampal neurons and rat adrenal pheochromocytoma (PC12) cell-derived neuron-like cells to 30 mW/cm² microwaves, which resulted in miR-30a-5p (‘miR-30a’ for short) down-regulation and autophagy activation in vivo and in vitro. Bioinformatics analysis was conducted, and Beclin1, Prkaa2, Irs1, Pik3r2, Rras2, Ddit4, Gabarapl2 and autophagy-related gene 12 (Atg12) were identified as potential downstream genes of miR-30a involved in regulating autophagy. Based on our previous findings that microwave radiation could lead to abnormal energy metabolism in neurons, Prkaa2, encoding adenosine 5′-monophosphate-activated protein kinase (AMPK) α2 (AMPKα2, an important catalytic subunit of energy sensor AMPK), was selected for further analysis. Dual-luciferase reporter assay results showed that Prkaa2 was a downstream gene of miR-30a. Moreover, microwave radiation increased the expression of AMPKα2 and the phosphorylation of AMPKα (Thr¹⁷²) both in vivo and in vitro. The transfection of PC12 cells with miR-30a mimics increased miR-30a levels, reduced AMPKα2 expression, suppressed AMPKα (Thr¹⁷²) phosphorylation, and inhibited autophagy occurrence in neuron-like cells. Importantly, miR-30a overexpression abolished microwave-activated autophagy and inhibited microwave-induced AMPKα2 up-regulation and AMPKα (Thr¹⁷²) phosphorylation. In conclusion, microwave radiation promoted the occurrence of autophagy in neurons through the miR-30a/AMPKα2 signal pathway.

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Zhi WJ, Qiao SM, Zou Y, Peng RY, Yan HT, Ma LZ, Dong J, Zhao L, Yao BW, Zhao XL, Feng XX, Hu XJ, Wang LF. Low p-SYN1 (Ser-553) Expression Leads to Abnormal Neurotransmitter Release of GABA Induced by Up-Regulated Cdk5 after Microwave Exposure: Insights on Protection and Treatment of Microwave-Induced Cognitive Dysfunction. Curr Issues Mol Biol 2021;44:206-221. [PMID: 35723394 PMCID: PMC8929049 DOI: 10.3390/cimb44010015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/23/2022] Open

Abstract

With the wide application of microwave technology, concerns about its health impact have arisen. The signal transmission mode of the central nervous system and neurons make it particularly sensitive to electromagnetic exposure. It has been reported that abnormal release of amino acid neurotransmitters is mediated by alteration of p-SYN1 after microwave exposure, which results in cognitive dysfunction. As the phosphorylation of SYN1 is regulated by different kinases, in this study we explored the regulatory mechanisms of SYN1 fluctuations following microwave exposure and its subsequent effect on GABA release, aiming to provide clues on the mechanism of cognitive impairment caused by microwave exposure. In vivo studies with Timm and H&E staining were adopted and the results showed abnormality in synapse formation and neuronal structure, explaining the previously-described deficiency in cognitive ability caused by microwave exposure. The observed alterations in SYN1 level, combined with the results of earlier studies, indicate that SYN1 and its phosphorylation status (ser-553 and ser62/67) may play a role in the abnormal release of neurotransmitters. Thus, the role of Cdk5, the upstream kinase regulating the formation of p-SYN1 (ser-553), as well as that of MEK, the regulator of p-SYN1 (ser-62/67), were investigated both in vivo and in vitro. The results showed that Cdk5 was a negative regulator of p-SYN1 (ser-553) and that its up-regulation caused a decrease in GABA release by reducing p-SYN1 (ser-553). While further exploration still needed to elaborate the role of p-SYN1 (ser-62/67) for neurotransmitter release, MEK inhibition had was no impact on p-Erk or p-SYN1 (ser-62/67) after microwave exposure. In conclusion, the decrease of p-SYN1 (ser-553) may result in abnormalities in vesicular anchoring and GABA release, which is caused by increased Cdk5 regulated through Calpain-p25 pathway after 30 mW/cm² microwave exposure. This study provided a potential new strategy for the prevention and treatment of microwave-induced cognitive dysfunction.

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Affiliation(s)

Wei-Jia Zhi Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Si-Mo Qiao Beijing Institute of Pharmacology and Toxicology, 27 Taiping Road, Beijing 100850, China; (S.-M.Q.); (H.-T.Y.)
Yong Zou Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Rui-Yun Peng Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Hai-Tao Yan Beijing Institute of Pharmacology and Toxicology, 27 Taiping Road, Beijing 100850, China; (S.-M.Q.); (H.-T.Y.)
Li-Zhen Ma Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Ji Dong Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Li Zhao Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Bin-Wei Yao Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Xue-Long Zhao Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.)
Xin-Xing Feng Endocrine and Cardiovascular Center, Cardiovascular Institute and Fuwai Hospital of Chinese Academy of Medical Sciences, Beijing 100850, China;
Xiang-Jun Hu Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.) Correspondence: (X.-J.H.); (L.-F.W.)
Li-Feng Wang Beijing Institute of Radiation Medicine, 27 Taiping Road, Beijing 100850, China; (W.-J.Z.); (Y.Z.); (R.-Y.P.); (L.-Z.M.); (J.D.); (L.Z.); (B.-W.Y.); (X.-L.Z.) Correspondence: (X.-J.H.); (L.-F.W.)

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The Role of NMDAR and BDNF in Cognitive Dysfunction Induced by Different Microwave Radiation Conditions in Rats. RADIATION 2021. [DOI: 10.3390/radiation1040023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open

Hu Q, He Y, Wang F, Wu J, Ci Z, Chen L, Xu R, Yang M, Lin J, Han L, Zhang D. Microwave technology: a novel approach to the transformation of natural metabolites. Chin Med 2021;16:87. [PMID: 34530887 PMCID: PMC8444431 DOI: 10.1186/s13020-021-00500-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 09/04/2021] [Indexed: 12/13/2022] Open

Zhu R, Wang H, Xu X, Zhao L, Zhang J, Dong J, Yao B, Wang H, Zhou H, Gao Y, Peng R. Effects of 1.5 and 4.3 GHz microwave radiation on cognitive function and hippocampal tissue structure in Wistar rats. Sci Rep 2021;11:10061. [PMID: 33980913 PMCID: PMC8115682 DOI: 10.1038/s41598-021-89348-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 04/05/2021] [Indexed: 12/23/2022] Open

Wang X, Tao T, Song D, Mao H, Liu M, Wang J, Liu X. Calreticulin stabilizes F-actin by acetylating actin and protects microvascular endothelial cells against microwave radiation. Life Sci 2019;232:116591. [PMID: 31228513 DOI: 10.1016/j.lfs.2019.116591] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 06/06/2019] [Accepted: 06/18/2019] [Indexed: 02/07/2023]

Abstract

AIMS

Calreticulin (CRT) is a multifunctional protein that protects endothelial cells by alleviating actin cytoskeleton injury, but the underlying mechanism remains unclear. CRT was recently identified as a novel acyltransferase; acetylation at the N-terminus of actin monomers strengthens actin polymerization. This study was undertaken to determine whether CRT protects human microvascular endothelial cells (HMECs) against microwave radiation through actin acetylation.

MATERIALS AND METHODS

We prepared a eukaryotic-derived recombinant CRT and incubated the HMECs with it prior to microwave exposure. We then assessed cell injury and endothelial function, detected actin polymerization and acetylation after HMECs exposure to S-band high-power microwaves. Coimmunoprecipitation, pull-down, and ex vitro acetylation reaction were performed to determine whether actin is a novel substrate of CRT acyltransferase. Finally, we employed the mutant experiments to demonstrate the acetylation sites contributing to CRT acetyltransferase activity.

KEY FINDINGS

Microwave radiation induced severe cell injury and endothelial contact dysfunction, reduced the polymerization of actin filaments, and destroyed the actin arrangement, ultimately reducing acetylated actin expression. CRT treatment upregulated actin acetylation levels, promoted polymerization, and facilitated thicker and longer F-actin stress fibre formation. Pre-incubation with CRT rescued microwave-induced cell injury, decreased actin acetylation, and rendered the actin cytoskeleton radiation-retardant. The level of acetyl-actin was positively correlated with actin polymerization. Actin was identified as a novel substrate of CRT, being acetylated mainly through the CRT P-domain at lys-206 and -207.

SIGNIFICANCE

This work provides a better understanding of the underlying mechanism of CRT-induced cytoprotection, and suggests a novel therapeutic target for microwave radiation-related diseases with endothelial dysfunction.

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