Sex-dependent impact of perinatal 5G electromagnetic field exposure in the adolescent rat behavior - Université de Picardie Jules Verne Accéder directement au contenu
Article Dans Une Revue Environmental Science and Pollution Research Année : 2023

Sex-dependent impact of perinatal 5G electromagnetic field exposure in the adolescent rat behavior

Résumé

The fifth generation (5G) network is currently being worldwide spread out, raising questions about the potential impact of this new technology, particularly on immature organisms. The current study aimed to investigate the effects of daily 5G electromagnetic field (EMF) perinatal exposure on the neurodevelopment of rats. The exposure level was set to the limit of whole-body public exposure defined by the International Commission on Non-Ionizing Radiation Protection. The mother rat specific absorption rate (SAR) was 0.07 W/kg for 22 h/day at 3500 MHz continuous wave from gestational day (GD) 8 to post-natal day (PND) 21. Clinical observations were performed on weight, length, sex ratio, number of pups per litter, and number of stillborn in sham and EMF-exposed groups (n = 7). The age of pinna ear detachment, incisor eruption, and eye opening were recorded. Behavior was assessed on righting, gripping, and negative geotaxis reflexes at PND 3 or 7 and on stereotyped and horizontal movements in the open field at PND 43. Our results indicated that both male and female pups showed delayed incisor eruption in the EMF-exposed group compared to the sham group (+ 1 day). Regarding activity in the open field, adolescent females showed less stereotyped movements (- 70%), while adolescent males showed more stereotyped movements (+ 50%) compared to the sham-exposed adolescent rats. Thus, the present study suggested that perinatal exposure to 5G at SAR level below reglementary threshold led to perturbations in the descendants seen in juveniles and adolescents.
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Dates et versions

hal-04250387 , version 1 (30-11-2023)

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Raphaël Bodin, Chandreshwar Seewooruttun, Aurélie Corona, Stéphane Delanaud, Amandine Pelletier, et al.. Sex-dependent impact of perinatal 5G electromagnetic field exposure in the adolescent rat behavior. Environmental Science and Pollution Research, 2023, ⟨10.1007/s11356-023-30256-7⟩. ⟨hal-04250387⟩
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