Archive

250 posts

Showing results for: in vitro

It is the Frequency that Matters: Effects of Electromagnetic Fields on the Release and Content of Extracellular Vesicles.

Research RF Safe Research Library Jan 1, 2023

This preprint describes an in vitro bioreactor-based system to test whether electromagnetic/electrical stimulation affects extracellular vesicles (EVs). Using proteomics and single-vesicle flow cytometry, the authors report that stimulation at physiological current amplitudes can modulate EV content in a…

Phagocytosis of latex beads by a human monocytic Mono Mac 6 cell line and effects of low-frequency electromagnetic field interaction.

Research RF Safe Research Library Jan 1, 2023

This in vitro study tested whether a low-frequency EMF (7 Hz, 30 mT) alters phagocytosis-related outcomes in the human monocytic Mono Mac 6 cell line. EMF exposure was associated with increased necrosis in cells pre-stimulated with SEB and then undergoing latex bead phagocytosis, while no significant cell-death…

Extremely Low-Frequency Electromagnetic Stimulation (ELF-EMS) Improves Neurological Outcome and Reduces Microglial Reactivity in a Rodent Model of Global Transient Stroke.

Research RF Safe Research Library Jan 1, 2023

This animal and laboratory study evaluated extremely low-frequency electromagnetic stimulation (ELF-EMS) in a rodent ischemia-reperfusion stroke model and related in vitro/slice experiments. The authors report improved neurological and behavioral outcomes, increased neuronal survival, and reduced glial/microglial…

P53 status, and G2/M cell cycle arrest, are determining factors in cell-death induction mediated by ELF-EMF in glioblastoma.

Research RF Safe Research Library Jan 1, 2023

This in vitro study tested ELF-EMF exposure in U87 and U251 glioblastoma cell lines and assessed apoptosis, cell-cycle distribution, cell size, and mRNA expression of cell-cycle genes. The authors report higher apoptosis induction and increased G2/M arrest in U87 compared with U251, alongside increased U87 cell size…

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…

Synergistic cytotoxic effects of an extremely low-frequency electromagnetic field with doxorubicin on MCF-7 cell line.

Research RF Safe Research Library Jan 1, 2023

This in vitro study tested whether a 50 Hz, 20 mT extremely low-frequency electromagnetic field (ELF-EMF) enhances the cytotoxic effects of doxorubicin (DOX) in the MCF-7 breast cancer cell line. The authors report that combining ELF-EMF with low-dose DOX reduced cell viability at lower DOX concentrations than DOX…

Intermittent Exposure to a 16 Hz Extremely Low Frequency Pulsed Electromagnetic Field Promotes Osteogenesis In Vitro through Activating Piezo 1-Induced Ca Influx in Osteoprogenitor Cells.

Research RF Safe Research Library Jan 1, 2023

This in vitro study compared continuous versus intermittent 16 Hz ELF-PEMF exposure strategies in osteoprogenitor (SCP-1) cells. Intermittent exposure (10 min every 8 h) was reported to enhance cell numbers and osteogenic function relative to continuous daily exposure (30 min every 24 h). The authors report increased…

Comparative Study of Extremely Low-Frequency Electromagnetic Field, Radiation, and Temozolomide Administration in Spheroid and Monolayer Forms of the Glioblastoma Cell Line (T98).

Research RF Safe Research Library Jan 1, 2023

This in vitro study assessed 50 Hz, 100 G extremely low-frequency EMF in combination with temozolomide and radiation in T98 glioblastoma cells grown as monolayers and spheroids. Radiation plus EMF increased apoptosis-related gene expression, while temozolomide plus EMF increased autophagy marker expression compared…

Low-energy amplitude-modulated radiofrequency electromagnetic fields as a systemic treatment for cancer: Review and proposed mechanisms of action

Research RF Safe Research Library Sep 8, 2022

This review discusses low-energy amplitude-modulated RF EMF (27.12 MHz carrier with low Hz–kHz envelope modulation) delivered systemically via intrabuccal antenna devices as a potential treatment for advanced hepatocellular carcinoma. It reports preclinical inhibition of cancer growth in vitro and in mouse xenograft…

Mg.ATP-decorated ultrafine magnetic nanofibers: A bone scaffold with high osteogenic and antibacterial properties in the presence of an electromagnetic field.

Research RF Safe Research Library Jan 1, 2022

This in vitro study developed magnetic electrospun nanofibers for bone regeneration and evaluated osteogenic and antibacterial properties. Functionalization with ATP and Mg increased mesenchymal stem cell adhesion, proliferation, and osteogenic marker readouts compared with unmodified fibers. The authors report that…

Effects of repeated exposure to 50 Hz electromagnetic field on breast cancer cells.

Research RF Safe Research Library Jan 1, 2022

This in vitro study exposed two human breast cancer cell lines to a 50 Hz ELF-EMF (20 mT) for 3 hours/day for up to four days. The authors report reduced viability and apoptosis-related findings in MDA-MB-231 cells, with no significant viability change in MCF-7 cells. Cell-cycle effects differed by cell line,…

Enhancement of Fungal Enzyme Production by Radio-Frequency Electromagnetic Fields.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined whether a 2 GHz RF-EMF exposure could enhance enzyme production in a filamentous fungus. A 10-minute exposure was reported to increase extracellular total protein and α-amylase activity in culture media versus controls, alongside increased α-amylase mRNA and changes consistent with…

Effects of prolonged exposure to ELF-EMF on HERVs expression in human melanoma cells.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined whether 96-hour exposure to 50 Hz ELF-EMF affects expression of human endogenous retroviruses (HERV-H, HERV-K, HERV-W) in SK-MEL-37 human melanoma cells. Cells were continuously exposed at 1.5 or 3 mT and HERV env mRNA levels were measured by qPCR. The authors report significant…

Wearable Antennas for Sensor Networks and IoT Applications: Evaluation of SAR and Biological Effects.

Research RF Safe Research Library Jan 1, 2022

This in vitro study evaluated SAR and erythrocyte membrane stability during exposure to a fully textile wearable antenna at 2.41 GHz under realistic (6.3 mW) and conservative (450 mW) input power conditions. It reports 1 g average SARs of 0.5758 W/kg and 41.13 W/kg, respectively. For membrane stability at 6.3 mW,…

Thermomagnetic Resonance Effect of the Extremely Low Frequency Electromagnetic Field on Three-Dimensional Cancer Models.

Research RF Safe Research Library Jan 1, 2022

This in vitro study tested an ELF-EMF at a calculated thermal resonant frequency in 2D and 3D culture models of human pancreatic cancer, glioblastoma, and breast cancer. The authors report reduced cell growth and a metabolic shift, including potentiation of coupled and uncoupled respiration and altered transcription…

Static and Electromagnetic Fields Differently Affect Proliferation and Cell Death Through Acid Enhancement of ROS Generation in Mesenchymal Stem Cells.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined how a 20 mT static magnetic field and a 20 mT 50 Hz electromagnetic field affect mesenchymal stem cells under conditions involving ROS and acidic pH. The authors report increased ROS and antioxidant-response markers (Nrf2, SOD2, GST) across SMF, EMF, and combined exposures, with…

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.…

Extremely Low-Frequency Electromagnetic Fields Increase Cytokines in Human Hair Follicles through Wnt/β-Catenin Signaling.

Research RF Safe Research Library Jan 1, 2022

This in vitro/ex vivo study examined extremely low-frequency EMF exposure in human hair bulb spheroids and hair follicle organ cultures. The authors report no toxicity and increased expression of anagen-related markers and multiple cytokines/growth factors at 5–20 G, with 10 G for 60 minutes associated with increased…

Electromagnetic Fields Generated by the IteraCoil Device Differentiate Mesenchymal Stem Progenitor Cells Into the Osteogenic Lineage.

Research RF Safe Research Library Jan 1, 2022

This in vitro study exposed human adipose-derived mesenchymal stem progenitor cells to an alternating EMF generated by the IteraCoil device at 0.05 and 1 kHz. The authors report that EMF exposure was associated with osteoblastic differentiation in the absence of exogenous pro-osteogenic supplements, assessed by…

Evaluation of Cell Migration and Cytokines Expression Changes under the Radiofrequency Electromagnetic Field on Wound Healing In Vitro Model.

Research RF Safe Research Library Jan 1, 2022

This in vitro study evaluated whether radiofrequency electromagnetic field (RF-EMF) exposure could influence wound-healing-related processes. The authors report increased keratinocyte migration and changes in expression of wound-healing genes, including MMPs, TIMPs, and pro/anti-inflammatory cytokines. The abstract…

Regulation of skeletal myogenesis in C2C12 cells through modulation of Pax7, MyoD, and myogenin via different low-frequency electromagnetic field energies.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined how low-frequency electromagnetic fields (LF-EMF) at different magnetic flux densities influence skeletal myogenesis in C2C12 cells. The authors report that 2.0 mT LF-EMF activated cells and increased PAX7, while 1.5 mT increased MyoD and myogenin expression. They conclude that different…

Anticancer and antibacterial potentials induced post short-term exposure to electromagnetic field and silver nanoparticles and related pathological and genetic alterations: in vitro study.

Research RF Safe Research Library Jan 1, 2022

This in vitro study evaluated short-term extremely low frequency electromagnetic field (ELF-EMF) exposure and silver nanoparticles (AgNPs), alone and combined, for antibacterial effects and apoptosis induction in MCF-7 breast cancer cells. The authors report time-dependent reductions in bacterial viable counts, with…

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…

Morphological and cytophysiological changes in selected lines of normal and cancer human cells under the influence of a radio-frequency electromagnetic field.

Research RF Safe Research Library Jan 1, 2021

This in vitro study exposed human fibroblasts and prostate cancer cells to 2.5 GHz RF-EMF for 24, 48, and 72 hours and assessed viability and morphology. The authors report decreased viability in fibroblasts and increased viability in prostate cancer cells after exposure, while morphology showed no significant…

← Prev Page 4 / 10 Next →