title: Fifty hertz magnetic fields individually affect chromatin conformation in human lymphocytes: dependence on amplitude, temperature, and initial chromatin state.
abstract: Effects of magnetic field (MF) at 50 Hz on chromatin conformation were studied by the method of anomalous viscosity time dependence (AVTD) in human lymphocytes from two healthy donors. MF within the peak amplitude range of 5-20 µT affected chromatin conformation. These MF effects differed significantly between studied donors, and depended on magnetic flux density and initial condensation of chromatin. While the initial state of chromatin was rather stable in one donor during one calendar year of measurements, the initial condensation varied significantly in cells from another donor. Both this variation and the MF effect depended on temperature during exposure. Despite these variations, the general rule was that MF condensed the relaxed chromatin and relaxed the condensed chromatin. Thus, in this study we show that individual effects of 50 Hz MF exposure at peak amplitudes within the range of 5-20 µT may be observed in human lymphocytes in dependence on the initial state of chromatin and temperature.
authors.affiliation: Department of Genetics, Microbiology and Toxicology, Stockholm University, Stockholm, Sweden.
authors.forename: Ruslan
authors.initials: R
authors.lastname: Sarimov
authors.forename: Eugene D
authors.initials: ED
authors.lastname: Alipov
authors.forename: Igor Y
authors.initials: IY
authors.lastname: Belyaev
mesh_terms: D000328:Adult; D002478:Cells, Cultured; D002843:Chromatin / Q000737:chemistry* / Q000528:radiation effects*; D004249:DNA Damage / Q000528:radiation effects; D006801:Humans; D008214:Lymphocytes / Q000528:radiation effects*; D060526:Magnetic Fields; D008297:Male; D013696:Temperature; D014783:Viscosity / Q000528:radiation effects*
chemical_list: D002843:Chromatin