Unknown authors · 2022
Researchers exposed human cells to 1.8 GHz radiofrequency radiation (similar to cell phone signals) and found it triggered the formation of harmful reactive oxygen species (ROS) within just 15 minutes. The study revealed that cellular damage doesn't increase linearly with signal strength - instead, certain amplitudes caused no measurable effects while others triggered significant responses. This suggests that even everyday wireless exposures can disrupt normal cellular function through oxidative stress.
Touitou Y, Selmaoui B, Lambrozo J · 2022
Researchers investigated the effects of ELF-EMFs on cortisol secretion in 14 men working in extra-high voltage substations. Magnetic field exposure was measured over seven days with geometric means ranging from 0.1 to 2.6 μT. Blood samples were taken hourly from 20:00 to 08:00 the next morning. Compared to unexposed controls, higher field intensity had a significant effect on cortisol secretory pattern. This study strongly suggests that chronic exposure to ELF-EMFs alters peak-time serum cortisol levels.
Unknown authors · 2022
The study investigated changes in neuronal activity and synaptic transmission after a 60-minute exposure to 3.0 GHz RF-EMF at a low dose (SAR < 1 W/kg). RF-EMF exposure decreased the amplitude of action potentials, depolarized resting membrane potential, and increased neuronal excitability and synaptic transmission in cultured primary hippocampal neurons.
Unknown authors · 2022
The study used a 500 μT, 50 Hz extremely low-frequency electromagnetic field generated by a Meritt Coil System. Malondialdehyde and glutathione levels were measured, showing increased lipid peroxidation and decreased antioxidant response after exposure. Raman spectroscopy of brain tissue revealed a shift in amide III vibration peaks, structural changes in lipid CH2 vibrations in both hemispheres, and an increased number of amide III bonds in the cerebellum and left-brain tissue. Liver tissue from the exposed group showed higher Raman intensities and structural lipid changes. Principal component analysis distinguished the ELF-MF and control groups, and hierarchical component analysis showed tissues from each group clustered with their own group.
Unknown authors · 2022
Unknown authors · 2022
Researchers exposed developing zebrafish to 3.5 GHz radiofrequency radiation (used in 5G networks) and found subtle but persistent behavioral abnormalities that lasted into adulthood. The study also revealed disrupted gene expression affecting metabolism pathways. This suggests 5G frequencies may impact developing nervous systems in ways that persist long-term.
Unknown authors · 2022
Rats were exposed to 900 MHz RFR at 2 h/day, 5 days/week for 1 week (acute) or 10 weeks (chronic). The study measured histopathology, PCNA, Bcl-xL, cleaved caspase-3, p-JNK, p-p38, and TUNEL in testis tissue. No histopathological differences or PCNA changes were observed between sham and RFR groups in either period. Cleaved caspase-3 and Bcl-xL showed period-dependent alterations, TUNEL-positive cells increased significantly only after acute exposure, and both p-p38 and p-JNK protein expressions increased significantly in both acute and chronic RFR groups.
Unknown authors · 2022
Unknown authors · 2022
Researchers exposed fruit flies to 2.4 GHz WiFi radiation at non-thermal levels and found it caused DNA damage, increased oxidative stress, behavioral changes, and accelerated tumor growth. The study demonstrated that WiFi signals triggered genetic instability by disrupting normal chromosome structure and silencing mechanisms in both brain and reproductive tissues. These findings suggest WiFi radiation may have biological effects beyond heating that warrant further investigation in humans.
Unknown authors · 2022
Researchers exposed miR-34a-transfected DLD1 colorectal cancer cells to 2.4 GHz RF-EMF for 24 hours and evaluated effects using real-time PCR, scratch assay, and MTS test. Administration of miR-34a decreased expression of per2, bmal1, sirtuin1, and survivin and inhibited proliferation and migration of DLD1 cells. RF-EMF exposure increased cry1 mRNA expression, weakened miR-34a's inhibition of per2, abolished its inhibition of survivin, and eliminated miR-34a's effects on proliferation and migration. The authors concluded that RF-EMF strongly influenced miR-34a-mediated regulation of the peripheral circadian oscillator in DLD1 cells.
Unknown authors · 2022
Researchers exposed rats to 1800 MHz LTE electromagnetic fields for 2 hours under acute neuroinflammation induced by lipopolysaccharide. The mean specific absorption rate in the auditory cortex was 0.5 W/kg. Exposure reduced neuronal response strength to pure tones and natural vocalizations and increased acoustic thresholds at low and medium frequencies, while microglial coverage did not change. In healthy rats without neuroinflammation, the same exposure did not alter response strength or acoustic thresholds.
Tan B, Tan FC, Yalcin B, Dasdag S, Yegin K, Yay AH · 2022
The study created four groups (sham, irradiated female, irradiated male, and irradiated male and female) with one male and three females each. The irradiated groups were whole-body exposed to 2450 MHz continuous wave radiofrequency radiation for 12 hours per day across four generations. The researchers examined fetal brain development, histopathological changes in female rats, and hippocampal MAPK protein levels in male rats. In exposed groups, hemorrhagic areas, irregular cellular localization, and vascular structures were observed in the brains of fetal and adult female rats across all generations. In adult male rats, phosphorylated ERK, tau, JNK, and p38 were significantly increased in the brain across all generations.
Unknown authors · 2022
Tan B, Tan FC, Yalcin B, Dasdag S, Yegin K, Yay AH · 2022
Turkish researchers exposed rats to WiFi-frequency radiation (2450 MHz) for 12 hours daily across four generations, starting before conception. They found brain hemorrhaging and irregular cell patterns in fetuses and adult females, plus elevated stress proteins linked to memory problems in males. The effects persisted and potentially worsened across generations.
Unknown authors · 2022
The study used 24 adult male Swiss-Albino mice divided into Four groups of 6. The radiofrequency and adaptive response groups were exposed to a 900 MHz GSM signal at 0.339 W/kg for 4 h/day over 7 days. After the final exposure, bleomycin was injected intraperitoneally at 37.5 mg/kg and the mice were sacrificed 30 minutes later. Oxidative damage and antioxidant mechanisms were examined in blood, DNA-repair gene expression was measured in liver, and apoptosis was assessed in liver using the TUNEL method. The adaptive response group showed increased ROS and p53 and OGG-1 expression, decreased SOD, CAT and TAC levels, and reduced apoptosis.
Unknown authors · 2022
Researchers continuously exposed pregnant Sprague-Dawley rats and their offspring to 900 MHz GSM-modulated RF-EMR for 24 hours per day and assessed liver oxidative stress at postnatal days 1, 9, and 21. Exposure significantly raised MDA levels at PND9 and PND21, lowered catalase activity at all ages, reduced catalase amount and mRNA at PND1 and PND9, and decreased GPx activity at PND21. CytoSOD levels increased at PND9 and 21 while mitoSOD levels decreased at PND21, and both GPx level and mitoSOD activity were elevated at all ages. SOD1 mRNA expression rose at PND1 but fell at PND9 and 21, whereas GPx1 expression was consistently reduced in the exposed group.
Unknown authors · 2022
Scientists exposed mice to 900 MHz cell phone radiation for 7 days, then administered a DNA-damaging drug called bleomycin. The RF-exposed mice showed increased DNA repair activity and reduced cell death compared to unexposed mice. This suggests low-level RF exposure may trigger protective cellular responses.
Salameh M et al. · 2022
Researchers exposed pregnant and newborn rats to 900 MHz radiofrequency radiation (the same frequency used by many cell phones) 24 hours per day and found significant liver damage in the offspring. The radiation caused oxidative stress, reduced protective antioxidant enzymes, and altered gene expression in the developing liver. This suggests continuous RF exposure during pregnancy and early development may harm liver function in offspring.
Unknown authors · 2022
Researchers randomly assigned pregnant Sprague-Dawley rats to a control group or a 900-MHz EMF exposure group, with the EMF group exposed daily until birth. Newborn rats were sacrificed by anesthesia on days 7, 10, 15, and 30. Structural damage in cochlear nuclear neurons and oligodendrocytes and increased caspase-3 activity were observed in the EMF groups compared to controls. However, no significant difference was found between groups in structural damage or caspase-3 activity across postnatal stages, and auditory brainstem response latencies did not differ. The authors concluded that prenatal 900-MHz EMF exposure has no harmful effects on ventral cochlear nucleus development.
Unknown authors · 2022
EMF exposure increased cell viability compared with control, while zinc co-treatment reduced viability relative to EMF alone. EMF also significantly raised NF-κB and DNMT activities, and zinc supplementation significantly lowered these activities compared with EMF alone.
Unknown authors · 2022
Researchers exposed purified BMSCs to sinusoidal or square waveform electromagnetic fields at 400 µT and 75 Hz for either 1 hour per week or 7 hours per day, then injected them into the left substantia nigra of Parkinsonian rats. Cell morphology analysis showed that sinusoidal EMF exposure caused most BMSCs to differentiate into neurons, including large and small neurons with apparent synapses. Square EMF exposure produced mainly astrocytes, microglia, and oligodendrocytes, while both BMSCs alone and sinusoidal EMF-exposed BMSCs improved locomotor activity in the rats.
Unknown authors · 2022
Unknown authors · 2022
The study aimed to examine the 96-hour effects of ELF-EMF on HERV-H, K, and W expression in human melanoma cells. SK-MEL-37 cells were continuously exposed to ELF-EMF at 50 Hz and intensities of 1.5 and 3 mT for 96 hours, and HERV expression was measured by qPCR after mRNA extraction. Exposure to ELF-EMF for 96 hours significantly downregulated HERV-H, K, and W env gene expression (P<0.001). The researchers suggested that low intensity and long-term exposure to ELF-EMF may pave using this type of radiation as a novel therapeutic approach by neutralizing the HERVs upregulated expression in melanoma cells.
Unknown authors · 2021
Researchers isolated spermatogonial stem cells and Sertoli cells from neonate mouse testes. The stem cells were exposed to 50 Hz electromagnetic fields at 2.5 mT for one hour daily over five days and then treated with exosomes from pre-pubertal Sertoli cells. Electromagnetic field exposure increased reactive oxygen species, reduced catalase expression, cell viability, and colonization, and increased apoptosis and Caspase-3 expression while decreasing GFRα1 expression. Sertoli-derived exosomes significantly improved these adverse effects by regulating oxidative stress.
Unknown authors · 2021
Researchers exposed mouse sperm stem cells to 50 Hz electromagnetic fields (like power lines) and found it caused oxidative damage and cell death. However, protective molecules called exosomes from neighboring Sertoli cells could reverse this damage. The study suggests EMF exposure harms male reproductive cells, but natural protective mechanisms exist.
