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Rouleau, N.; Dotta, B.T. |
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Electromagnetic fields as structure-function zeitgebers in biological systems : environmental orchestrations of morphogenesis and consciousness |
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2014 |
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Frontiers in integrative neuroscience |
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8 |
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November |
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1-9 |
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cell aggregation; consciousness; electromagnetic fields; structure-function; environmental influences |
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WP5 In vitro |
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UNIBAS @ david.schuermann @ |
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570 |
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Usselman, R.J.; Hill, I.; Singel, D.J.; Martino, C.F. |
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Spin biochemistry modulates reactive oxygen species (ROS) production by radio frequency magnetic fields |
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Journal Article |
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2014 |
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PLoS ONE |
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9 |
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3 |
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1-12 |
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The effects of weak magnetic fields on the biological production of reactive oxygen species (ROS) from intracellular superoxide (O2•-) and extracellular hydrogen peroxide (H2O2) were investigated in vitro with rat pulmonary arterial smooth muscle cells (rPASMC). A decrease in O2•- and an increase in H2O2 concentrations were observed in the presence of a 7 MHz radio frequency (RF) at 10 μTRMS and static 45 μT magnetic fields. We propose that O2•- and H2O2 production in some metabolic processes occur through singlet-triplet modulation of semiquinone flavin (FADH•) enzymes and O2•- spin-correlated radical pairs. Spin-radical pair products are modulated by the 7 MHz RF magnetic fields that presumably decouple flavin hyperfine interactions during spin coherence. RF flavin hyperfine decoupling results in an increase of H2O2 singlet state products, which creates cellular oxidative stress and acts as a secondary messenger that affects cellular proliferation. This study demonstrates the interplay between O2•- and H2O2 production when influenced by RF magnetic fields and underscores the subtle effects of low-frequency magnetic fields on oxidative metabolism, ROS signaling, and cellular growth. |
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UNIBAS @ david.schuermann @ |
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632 |
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Mo, W.C.C.; Liu, Y.; Bartlett, P.F.; He, R.Q.Q. |
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Transcriptome profile of human neuroblastoma cells in the hypomagnetic field |
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Miscellaneous |
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Year |
2014 |
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Science China Life Sciences |
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57 |
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4 |
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448-461 |
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Cry2; Mapk1; geomagnetic field; hypomagnetic field; massively parallel sequencing; transcriptome profile |
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Research has shown that the hypomagnetic field (HMF) can affect embryo development, cell proliferation, learning and memory, and in vitro tubulin assembly. In the present study, we aimed to elucidate the molecular mechanism by which the HMF exerts its effect, by comparing the transcriptome profiles of human neuroblastoma cells exposed to either the HMF or the geomagnetic field. A total of 2464 differentially expressed genes (DEGs) were identified, 216 of which were up-regulated and 2248 of which were down-regulated after exposure to the HMF. These DEGs were found to be significantly clustered into several key processes, namely macromolecule localization, protein transport, RNA processing, and brain function. Seventeen DEGs were verified by real-time quantitative PCR, and the expression levels of nine of these DEGs were measured every 6 h. Most notably, MAPK1 and CRY2, showed significant up- and down-regulation, respectively, during the first 6 h of HMF exposure, which suggests involvement of the MAPK pathway and cryptochrome in the early bio-HMF response. Our results provide insights into the molecular mechanisms underlying the observed biological effects of the HMF. |
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UNIBAS @ david.schuermann @ |
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605 |
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Author |
Kuster, N. |
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Title |
Increasing Bias towards False Negative Replications? |
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2011 |
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BEMS NEWSLETTER, www.bems.org |
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217 |
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1-5 |
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WP9 Epidemiology |
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IT'IS @ kuster @ Kuster:2011tt |
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20 |
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European Health Risk Assessment Network on Electromagnetic Fields Exposure |
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D3 – Report on the analysis of risks associated to exposure to EMF: in vitro and in vivo (animals) studies |
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2010 |
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EFHRAN |
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IT'IS @ kuster @ |
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53 |
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