The impact of chronic exposure to a magnetic field on energy metabolism and locomotion of Blaptica dubia
D Todorović, L Ilijin, M Mrdaković… - … Journal of Radiation …, 2020 - Taylor & Francis
D Todorović, L Ilijin, M Mrdaković, M Vlahović, A Grčić, B Petković, V Perić-Mataruga
International Journal of Radiation Biology, 2020•Taylor & FrancisPurpose: This study deals with a comparative analysis of the effects of chronic exposure to a
static magnetic field (SMF) and an extremely low frequency magnetic field (ELF MF) in
Blaptica dubia nymphs. The outcome of such treatment on insect and fat body mass,
glycogen and total lipid content in the fat body and locomotion, as an energy demanding
process, were examined. Materials and methods: One-month-old nymphs of B. dubia were
exposed to an SMF (110 mT) or ELF MF (50 Hz, 10 mT) for 5 months. Their locomotion was …
static magnetic field (SMF) and an extremely low frequency magnetic field (ELF MF) in
Blaptica dubia nymphs. The outcome of such treatment on insect and fat body mass,
glycogen and total lipid content in the fat body and locomotion, as an energy demanding
process, were examined. Materials and methods: One-month-old nymphs of B. dubia were
exposed to an SMF (110 mT) or ELF MF (50 Hz, 10 mT) for 5 months. Their locomotion was …
Abstract
Purpose: This study deals with a comparative analysis of the effects of chronic exposure to a static magnetic field (SMF) and an extremely low frequency magnetic field (ELF MF) in Blaptica dubia nymphs. The outcome of such treatment on insect and fat body mass, glycogen and total lipid content in the fat body and locomotion, as an energy demanding process, were examined.
Materials and methods: One-month-old nymphs of B. dubia were exposed to an SMF (110 mT) or ELF MF (50 Hz, 10 mT) for 5 months. Their locomotion was monitored in the ‘open-field’ test for 10 min and expressed as travel distance, time in movement and average speed while in motion. After that, fat body mass and content of its main components (glycogen and total lipids) were determined. Nymph body mass was also estimated after 1 and 5 months of MF treatment.
Results: Chronic exposure to the SMF and ELF MF decreased nymph body mass and glycogen content in the fat body but increased all examined parameters of locomotion. In addition, chronic SMF treatment elevated total lipid content in the fat body, while chronic ELF MF treatment reduced fat body mass and total lipid content.
Conclusions: These findings indicate that B. dubia nymphs are sensitive to the applied MFs and possess different strategies for fuel usage in response to the SMF and ELF MF in order to satisfy increased energy demands and to overcome stressful conditions.
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