Department of Urology, Seoul National University College of Medicine, Seoul, Republic of Korea.
Department of Urology, Seoul National University Bundang Hospital, Gyeonggi-do, Republic of Korea.
Biomed Res Int. 2018 Jan 29;2018:1801798. doi: 10.1155/2018/1801798. eCollection 2018.
OBJECTIVE: To investigate the effect of long duration exposure to electromagnetic field from mobile phones on spermatogenesis in rats using 4G-LTE. METHODS: Twenty Sprague-Dawley male rats were placed into 4 groups according to the intensity and exposure duration: Group 1 (sham procedure), Group 2 (3 cm distance + 6 h exposure daily), Group 3 (10 cm distance + 18 h exposure daily), and Group 4 (3 cm distance + 18 h exposure daily). After 1 month, we compared sperm parameters and histopathological findings of the testis. RESULTS: The mean spermatid count (×10/ml) was 398.6 in Group 1, 365.40 in Group 2, 354.60 in Group 3, and 298.60 in Group 4 ( = 0.041). In the second review, the mean count of spermatogonia in Group 4 (43.00) was significantly lower than in Group 1 (57.00) and Group 2 (53.40) ( < 0.001 and = 0.010, resp.). The sum of the germ cell counts was decreased in Group 4 compared to Groups 1, 2, and 3 ( = 0.032). The mean Leydig cell count was significantly decreased in Group 4 ( < 0.001). CONCLUSIONS: The longer exposure duration of electromagnetic field decreased the spermatogenesis. Our findings warrant further investigations on the potential effects of EMF from mobile phones on male fertility.
目的:使用 4G-LTE 研究手机长时间暴露于电磁场对大鼠生精功能的影响。
方法:根据强度和暴露时间,将 20 只 Sprague-Dawley 雄性大鼠分为 4 组:第 1 组(假手术)、第 2 组(3cm 距离+每日 6 小时暴露)、第 3 组(10cm 距离+每日 18 小时暴露)和第 4 组(3cm 距离+每日 18 小时暴露)。1 个月后,比较各组大鼠精子参数和睾丸组织学检查结果。
结果:第 1 组的平均精子细胞计数(×10/ml)为 398.6,第 2 组为 365.40,第 3 组为 354.60,第 4 组为 298.60( = 0.041)。第二次复查时,第 4 组的精原细胞计数(43.00)明显低于第 1 组(57.00)和第 2 组(53.40)( < 0.001 和 = 0.010)。与第 1 组、第 2 组和第 3 组相比,第 4 组的生殖细胞计数总和减少( = 0.032)。第 4 组的睾丸间质细胞计数明显减少( < 0.001)。
结论:暴露时间的延长会降低生精功能。我们的研究结果表明,有必要进一步研究手机电磁场对男性生育能力的潜在影响。
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