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Showing results for: magnetic field exposure

Effects of moderate static magnetic fields on voltage-gated potassium ion channels in sympathetic neuron-like PC12 cells

Research RF Safe Research Library Jan 1, 2025

This in vitro study examined effects of moderate static magnetic field exposure on sympathetic neuron-like PC12 cells. The authors report a significant reduction in voltage-gated potassium (Kv) channel current density after 18 hours of exposure, with the reduction persisting after the field was removed. RNA…

Dose Estimation for Indoor Radon, Occupational Radiation, and Electromagnetic Field Exposure in a Nuclear Medicine Department in Turkiye.

Research RF Safe Research Library Jan 1, 2025

This 1-year monitoring study assessed occupational ionizing radiation dose, indoor radon, and EMF-related electric field levels in a nuclear medicine department in Turkiye. Radiation worker doses were tracked with electronic personnel dosimeters, radon was measured at 2-month intervals to estimate annual dose and…

Alleviation of Inflammatory Conditions Caused by Extremely Low-Frequency Electromagnetic Field Exposure by .

Research RF Safe Research Library Jan 1, 2025

This in vitro study exposed RAW 264.7 cells to extremely low-frequency electromagnetic fields (ELF-EMF) and evaluated inflammatory signaling and related endpoints. The authors report that ELF-EMF increased nitric oxide and pro-inflammatory cytokines and was associated with increased NF-κB translocation and NFAT2…

Effect of 900 MHz Electromagnetic Field Exposure During Different Trimesters of Pregnancy on TRPM2-Mediated Ferroptosis and Neurotoxicity in the Trigeminal Ganglion of Rats: Protective Role of Ferrostatin-1.

Research RF Safe Research Library Jan 1, 2025

This animal study examined prenatal 900 MHz EMF exposure during different pregnancy trimesters and measured oxidative stress, inflammatory, apoptotic, and TRPM2-related markers in rat offspring trigeminal ganglia at postnatal day 28. The abstract reports increased oxidative stress/lipid peroxidation, inflammation,…

Microglial Response to Inflammatory Stimuli Under Electromagnetic Field Exposure.

Research RF Safe Research Library Jan 1, 2025

This in vitro study examined whether extremely low frequency EMF exposure alters responses of TNF-α-stimulated human microglial cells (HMC3). Cells exposed to 2.5 or 5 Hz EMF for 3 minutes showed increased survival under high TNF-α conditions and reduced migration compared with TNF-α treatment alone. EMF also…

Effects of radiofrequency electromagnetic field exposure on cancer in laboratory animal studies, a systematic review

Research RF Safe Research Library Jan 1, 2025

This systematic review evaluated RF-EMF exposure and cancer outcomes in experimental animals, including 52 studies (20 chronic cancer bioassays), using narrative synthesis due to substantial heterogeneity. The review reports no or minimal evidence of RF-EMF-related cancer outcomes for many organ systems, but reports…

Comparison of a radiofrequency electric and magnetic field source-based job-exposure matrix with personal radiofrequency exposure measurements.

Research RF Safe Research Library Jan 1, 2024

This study compared historical occupational RF-EMF exposure estimates from the INTEROCC RF job-exposure matrix (RF-JEM) with recent personal RF-EMF measurements from the OccRF-Health study in two countries. Agreement between the two approaches was poor for both exposure prevalence and 8-hour time-weighted average…

Investigating the effect of radiofrequency electromagnetic field exposure on molecular pathways related to insulin resistance and adipogenesis in zebrafish embryos - A pilot study without quantitative exposure metrics.

Research RF Safe Research Library Jan 1, 2024

This pilot animal study exposed zebrafish embryos to 900 MHz RF-EMF for 30 or 60 minutes per day until 96 hours post-fertilization and assessed gene expression and physiological endpoints. The authors report reduced expression of lepa, ins, and pparg, changes in oxidative stress markers consistent with increased…

Anthropogenic electromagnetic radiation alters the transcription levels of the genes encoding the SIFamide and myoinhibitory peptide and their receptors in Ixodes ricinus synganglion.

Research RF Safe Research Library Jan 1, 2024

This animal study used qRT-PCR to assess whether 900 MHz radiofrequency electromagnetic field exposure alters neuropeptide-related gene transcription in Ixodes ricinus synganglia. The abstract reports that 40 V/m exposure for at least 60 minutes significantly suppressed transcript levels of sifa, mip, and their…

Alternating current electromagnetic field exposure lessens intramyocellular lipid accumulation due to high-fat feeding via enhanced lipid metabolism in mice.

Research RF Safe Research Library Jan 1, 2023

This mouse study tested whether alternating current electromagnetic field (EMF) exposure modifies muscle lipid accumulation during long-term high-fat feeding. Mice exposed to EMF (8 hours/day for 16 weeks; maximum 180 mT) while on a high-fat diet had lower intramyocellular lipid levels than high-fat diet controls.…

Sex-dependent impact of perinatal 5G electromagnetic field exposure in the adolescent rat behavior.

Research RF Safe Research Library Jan 1, 2023

This animal study examined daily perinatal 5G EMF exposure in rats at the ICNIRP whole-body public exposure limit (maternal SAR 0.07 W/kg) from gestational day 8 to post-natal day 21. The authors report a 1-day delay in incisor eruption in both sexes and sex-dependent changes in stereotyped behavior in the open field…

Assessing the effect of selenium on cyclin D1 level and nuclear factor kappa b activity in NIH/3T3 fibroblast cells at 2100 MHz electromagnetic field exposure.

Research RF Safe Research Library Jan 1, 2023

This in vitro study examined NIH/3T3 fibroblast cells exposed to 2100 MHz EMF and evaluated cell viability, cyclin D1, and NF-κB activity, with and without 200 nM selenium. The abstract reports reduced cell viability and increased cyclin D1 and NF-κB activity after EMF exposure. Selenium supplementation was reported…

Extremely low-frequency electromagnetic field exposure alters DNA methylation levels in the endometrium of pigs during the peri-implantation period.

Research RF Safe Research Library Jan 1, 2023

This in vitro study exposed porcine endometrial slices from the peri-implantation period (days 15–16 of pregnancy) to 50 Hz ELF-EMF for 2 hours and assessed promoter DNA methylation in selected genes. The authors report increased methylation for EGR2, ID2, and PTGER4, decreased methylation for IL1RAP and NOS3, and no…

Ameliorative effects of crocin against electromagnetic field-induced oxidative stress and liver and kidney injuries in mice.

Research RF Safe Research Library Jan 1, 2023

This mouse experiment evaluated whether crocin (50 mg/kg) mitigates liver and kidney injury associated with 2100 MHz electromagnetic field exposure. EMF exposure was associated with increased serum markers of kidney and liver injury, reduced antioxidant enzyme activity, and histopathological/ultrastructural changes…

Low-energy amplitude-modulated electromagnetic field exposure: Feasibility study in patients with hepatocellular carcinoma.

Research RF Safe Research Library Jan 1, 2023

This single-site feasibility trial evaluated repeated 90-minute amplitude-modulated EMF exposure (AutEMdev) in 66 patients with advanced hepatocellular carcinoma. The primary focus was safety and hemodynamic variability during exposure, with exploratory outcomes including quality of life, survival, and tumor…

50 Hz Magnetic Field Exposure Inhibited Spontaneous Movement of Zebrafish Larvae through ROS-Mediated syn2a Expression.

Research RF Safe Research Library Jan 1, 2023

This zebrafish study exposed embryos to a 50 Hz magnetic field at 100–800 μT for 1 h or 24 h daily over 5 days. The authors report no changes in hatching, mortality, or malformation rates, but report reduced spontaneous movement at 200 μT along with brain histological abnormalities. They also report increased ROS and…

Impact of ketamine administration on chronic unpredictable stress-induced rat model of depression during extremely low-frequency electromagnetic field exposure: Behavioral, histological and molecular study.

Research RF Safe Research Library Jan 1, 2023

This animal study evaluated ketamine administration combined with extremely low-frequency electromagnetic field (ELF-EMF) exposure in a chronic unpredictable stress (CUS) rat model. The authors report that the combined treatment increased depression-like behavior and neuronal degeneration, reduced GFAP(+) cells in…

Effect of extremely low frequency electromagnetic field on the pathogenicity of Magnaporthe oryzae.

Research RF Safe Research Library Jan 1, 2023

This laboratory study examined Magnaporthe oryzae pathogenicity under extremely low frequency electromagnetic field exposure (50 Hz, 3 mT). The authors report increased infection ability, growth rate, and conidia generation with ELF-EMF exposure. They also report increased tolerance to a cell wall-perturbing agent…

An Out-of-Phase Wireless Power Transfer System for Implantable Medical Devices to Reduce Human Exposure to Electromagnetic Field and Increase Power Transfer Efficiency.

Research RF Safe Research Library Jan 1, 2022

This engineering study proposes an out-of-phase coupled wireless power transfer system for implantable medical devices intended to reduce electromagnetic field exposure in the tissue region between transmitting and receiving coils. The authors report, via simulation and measurements, lower EMF and higher power…

Protein expression changes during phagocytosis influenced by low-frequency electromagnetic field exposure.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined whether a low-frequency EMF (30 mT, 7 Hz for 3 h) alters phagocytosis of latex beads and immune-related protein/gene expression in the human Mono Mac 6 macrophage cell line. The authors report that EMF exposure influenced phagocytosis-associated molecular markers, with notable changes in…

Improved osteogenic differentiation by extremely low electromagnetic field exposure: possible application for bone engineering.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined intermittent extremely low-frequency electromagnetic field (ELF-EMF) exposure (6 h/day) in human periodontal ligament mesenchymal stem cells during osteogenic differentiation. After 10 days, ELF-EMF-exposed cells showed increased proliferation and calcium deposition versus sham.…

Changes in Free Radical Processes under the Influence of Low-Frequency Electromagnetic Field in Rats.

Research RF Safe Research Library Jan 1, 2022

This in vivo animal study examined how low-frequency electromagnetic field exposure affects antioxidant status in Wistar rats. The authors report frequency-dependent changes in antioxidant enzyme activity and hydroperoxide content in blood plasma. They also propose that LF EMF may stimulate low levels of ROS that…

Cancer on-target: Selective enhancement of 3-bromopyruvate action by an electromagnetic field in vitro.

Research RF Safe Research Library Jan 1, 2022

This in vitro study tested continuous or pulsed ELF electromagnetic field exposure in human cancer cells treated with the anticancer agent 3-bromopyruvate (3BP). The authors report that ELF-EMF enhanced 3BP anti-cancer activity, which they link to reduced TNFα secretion, p21/p27-associated G2/M arrest, and cancer…

Pulsed and Discontinuous Electromagnetic Field Exposure Decreases Temozolomide Resistance in Glioblastoma by Modulating the Expression of O-Methylguanine-DNA Methyltransferase, Cyclin-D1, and p53.

Research RF Safe Research Library Jan 1, 2021

This in vitro study evaluated 50 Hz, 70 G electromagnetic field exposure in combination with temozolomide (TMZ) in T98 and A172 glioblastoma cell lines. The authors report that EMF plus TMZ increased cell death and reduced migration potential compared with controls. They also report increased p53 gene expression and…

Electromagnetic Field Exposure in Kindergarten Children: Responsive Health Risk Concern.

Research RF Safe Research Library Jan 1, 2021

This exposure assessment measured EMF emission levels around 24 kindergartens in relation to nearby underground transmission lines using an EMDEX II meter. The abstract reports maximum mean EMF levels of 13.5 mG around kindergartens and 17.7 mG from the UGTL point to kindergartens, with a significant association…

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