3H-noradrenaline release potentiated in a clonal nerve cell line by low-intensity pulsed magnetic fields

Dixey, Richard J. C.; Rein, Glen

doi:10.1038/296253a0

Cited by 141 publications

(32 citation statements)

References 18 publications

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“…In detail, 30,000 cells were plated in 25-cm 2 flasks with 5 ml of medium [three flasks/group/calculation day; 3 (flasks/day) ϫ 2 (MR vs control) ϫ 8 (calculation days) ϭ 48 (flasks/group)]. On days 2,4,8,12,14,16,18, and 21, cell numbers of the MR and control groups were calculated by using a cell counter system (Casy 1, Schärfe Systems, Reutlingen, Germany).…”

Section: Methodsmentioning

confidence: 99%

“…With the advent of interventional MR imaging, patients may be exposed more often and for longer periods. Several studies in the past have shown contradictory biological effects on exposed organisms or cells depending on the biological system used in the study and the strength of the magnetic fields applied (1)(2)(3)(4)(5)(6). However, most of the studies focused on single exposures to magnetic fields.…”

Section: Since the Introduction Of Magnetic Resonance (Mr)mentioning

confidence: 97%

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Long-term effects of repetitive exposure to a static magnetic field (1.5 T) on proliferation of human fetal lung fibroblasts

et al. 1999

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The aim of the study was to assess the effects of repetitive exposures to a static magnetic field (1.5 T) on human fetal lung fibroblast (HFL) proliferation. HFL were exposed three times a week for 1 hr to a static magnetic field for 3 weeks. Cells were subcultured every week. Population doublings (PD) and cumulative population doublings (CPD) were calculated weekly. Colony formation assays, bromodeoxyuridine enzyme‐linked immunosorbent assay, and cell cycle analysis were performed weekly. After the third week, proliferation kinetics were assessed. Over a period of 3 weeks no statistically significant differences between the PD and CPD of exposed and control cells could be detected. Clonogenic activity, DNA synthesis, cell cycle, and proliferation kinetics were not altered by magnetic field exposure. The data do not provide evidence that repetitive exposures to a static magnetic field (1.5 T) exert effects on HFL proliferation. Magn Reson Med 41:464–468, 1999. © 1999 Wiley‐Liss, Inc.

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Section: Methodsmentioning

confidence: 99%

Section: Since the Introduction Of Magnetic Resonance (Mr)mentioning

confidence: 97%

Long-term effects of repetitive exposure to a static magnetic field (1.5 T) on proliferation of human fetal lung fibroblasts

et al. 1999

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“…t3H]Noradrenaline release from PC12 cells is stimulated by an inductively coupled SOO-Hz EMF with a magnitude comparable with certain cholinergic stimuli in this system [3]. Effects of low EMF in cultures have been studied to test the theories on EMF electrochemical action 141.…”

Section: Introductionmentioning

confidence: 99%

Reduced mitogenic stimulation of human lymphocytes by extremely low frequency electromagnetic fields

et al. 1983

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Blastogenesis of human peripheral blood lymphocytes stimulated in vitro by non-specific mitogens (PHA, ConA, PWM) upon exposure to extremely low frequency EMF has been studied. Different frequencies of square waveforms have been used. PHA-stimulation resulted in strong inhibitions as measured by [3H]thymidine incorporation. A frequency window (3-50 Hz) within which ConA-induced blastogenesis was significantly inhibited has been individuated. The mitogenic effect of PWM was significantly affected only at 3 Hz. © 1983

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“…Therefore, the ELF EMF could be able to force the ions through the channels present in the membranes. Moreover, much experimental evidence of biological effects in the ELF region has been reported for pulsed EMF containing many lowand high-frequency components [1,6]. In particular, the square wave form used here contains all low-frequency multiples of the repetition frequency (e.g.…”

Section: Discussionmentioning

confidence: 99%

Mitogen dose‐dependent effect of weak pulsed electromagnetic field on lymphocyte blastogenesis

et al. 1986

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The effects of pulsed extremely low frequency electromagnetic fields on human peripheral blood lymphocyte mitogenesis induced by phytohaemoagglutinin, concanavalin A or calcium ionophore A23187 were studied. The dependence of the field effect on mitogen concentrations was investigated. Field exposure produced strong inhibition of DNA synthesis when optimal doses of mitogens were used, confirming our previous findings. Opposite effects were observed at suboptimal concentration of mitogens. Experiments performed by exposing cell cultures to the field for short periods indicated that a field application of at least 6 h is needed to influence irreversibly lymphocyte blastogenesis.Electromagnetic field Lymphocyte Mitogenesis Lectin Ionophore A23187

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3H-noradrenaline release potentiated in a clonal nerve cell line by low-intensity pulsed magnetic fields

Cited by 141 publications

References 18 publications

Long-term effects of repetitive exposure to a static magnetic field (1.5 T) on proliferation of human fetal lung fibroblasts

Long-term effects of repetitive exposure to a static magnetic field (1.5 T) on proliferation of human fetal lung fibroblasts

Reduced mitogenic stimulation of human lymphocytes by extremely low frequency electromagnetic fields

Mitogen dose‐dependent effect of weak pulsed electromagnetic field on lymphocyte blastogenesis

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