Influences of exposure to 915-MHz radiofrequency identification signals on serotonin metabolites in rats: a pilot study.

Autor: Kim HS; Department of Neurosurgery, Ajou University School of Medicine, Suwon, Republic of Korea.; Neuroscience Graduate Program, Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, Republic of Korea., Paik MJ; College of Pharmacy, Sunchon National University, Suncheon, Republic of Korea., Seo C; College of Pharmacy, Sunchon National University, Suncheon, Republic of Korea., Choi HD; Radio Technology Research Department, Electronics and Telecommunications Research Institute, Daejeon, Republic of Korea., Pack JK; Department of Radio Sciences and Engineering, College of Engineering, Chungnam National University, Daejeon, Republic of Korea., Kim N; School of Electrical and Computer Engineering, Chungbuk National University, Cheongju, Republic of Korea., Ahn YH; Department of Neurosurgery, Ajou University School of Medicine, Suwon, Republic of Korea.; Neuroscience Graduate Program, Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, Republic of Korea.
Jazyk: angličtina
Zdroj: International journal of radiation biology [Int J Radiat Biol] 2021; Vol. 97 (2), pp. 282-287. Date of Electronic Publication: 2020 Nov 16.
DOI: 10.1080/09553002.2021.1844336
Abstrakt: Purpose: The influences of radiofrequency electromagnetic exposure on animal health, particularly on serotonin metabolism, are not well-elucidated. In this in vivo study, we studied the influences of exposure to radiofrequency identification (RFID) signals on serotonin metabolism.
Materials and Methods: Twenty-two male Sprague-Dawley rats were assigned to sham ( n  = 10) and RFID-exposed ( n  = 12) groups. Rats in the RFID-exposed group were exposed to RFID signals at an average whole-body specific absorption rate of 2 W/kg for 8 h/day, 5 days/week for 2 weeks. Before and after RFID exposure, 24-h urine was collected from each rat. Urinary tryptophan, 5-hydroxytryptophan, serotonin, 5-hydroxyindoleacetic acid, and 5-methoxyindole-3-acetic acid concentrations were examined using gas chromatography-mass spectrometry, and changes in the patterns of values were compared between the two groups.
Results: Urinary levels of serotonin decreased by 20% ( p  = .041, Student's t -test) and 40% ( p  = .024, Student's t -test) in both the sham and RFID-exposed groups, respectively. The level of 5-methoxyindole-3-acetic acid decreased by 30% in the RFID-exposed group ( p  = .039, Student's t -test).
Conclusion: Our results indicate that exposure to RFID signals at a specific absorption rate of 2 W/kg is sufficient to alter serotonin metabolism in rats regardless of whether the exposure level is considered biohazardous.
Databáze: MEDLINE
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