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Gautam R, Pardhiya S, Nirala JP, Sarsaiya P, Rajamani P. Effects of 4G mobile phone radiation exposure on reproductive, hepatic, renal, and hematological parameters of male Wistar rat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:4384-4399. [PMID: 38102429 DOI: 10.1007/s11356-023-31367-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 11/30/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND AND OBJECTIVE Mobile phones have become a vital part of human life. Due to drastic increase in the number of mobile phone subscribers, exposure to radiofrequency radiation (RFR) emitted from these phones has increased dramatically. Hence, the effect of RFR on humans is an area of concern. This study was performed to determine the impact of 4G mobile phone radiation on the male reproductive system, liver, kidney, and hematological parameters. METHODS Seventy-day-old Wistar rats were exposed to 4G radiation (2350 MHz for 2 h/day for 56 days). Sperm parameters such as sperm count, viability, sperm head morphology, mitochondrial activity, total antioxidant activity, and lipid peroxidation of sperm were evaluated. Histopathology of the testis, prostate, epididymis, seminal vesicle, liver, and kidney was carried out. Complete blood count, liver and kidney function tests, and testosterone hormone analysis were done. RESULTS At the end of the experiment, results showed a significant (p < 0.05) decrease in sperm viability with alterations in the histology of the liver, kidney, testis, and other reproductive organs in the exposed group of rats. A reduced level of testosterone, total antioxidant capacity, and decreased sperm mitochondrial function were also observed in the exposed rats. Moreover, the exposed rats showed an increase in sperm lipid peroxidation and sperm abnormality. Hematological parameters like hemoglobin, red blood cells (RBC), and packed cell volume (PCV) showed a significant (p < 0.05) increase in the exposed rats. CONCLUSION The results indicate that chronic exposure to 4G radiation may affect the male reproductive system, hematological system, liver, and kidney of rats.
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Affiliation(s)
- Rohit Gautam
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Sonali Pardhiya
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Jay Prakash Nirala
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Priyanka Sarsaiya
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Paulraj Rajamani
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India.
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Vijayan K, Eslick GD. A meta-analysis of the risk of salivary gland tumors associated with mobile phone use: the importance of correct exposure assessment. REVIEWS ON ENVIRONMENTAL HEALTH 2023; 38:591-599. [PMID: 35822706 DOI: 10.1515/reveh-2022-0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES To investigate the risk of developing salivary gland tumors associated with the use of mobile phones. CONTENT There have been a number of epidemiological studies conducted to assess for a possible association between mobile phone usage and the development of intracranial tumours, however results have been conflicting. We conducted an extensive literature search across four different databases was conducted. After selecting the articles relevant to the area of study, a total of seven studies were included in this meta-analysis, with no restrictions set on publication date or language. Studies were qualitatively assessed using the Newcastle-Ottawa scale. No significant association between the use of mobile phones and salivary gland tumors was observed (OR=1.06, 95% CI=0.86-1.32). No evidence for publication bias was detected. SUMMARY AND OUTLOOK Our findings indicate no significant association between mobile phone usage and salivary gland tumours. However, there were many limitations encountered in these studies, suggesting that the observed result may not be an accurate estimate of the true carcinogenic risk of mobile phones, especially for heavy long-term users. In fact, the studies included in this meta-analysis highlight the need to correctly define exposure assessment in order to ascertain the risk of a certain variable.
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Affiliation(s)
| | - Guy D Eslick
- Westmead Clinical School, Westmead, NSW 2145, Australia
- Clinical Links Using Evidence-based Data (CLUED Pty Ltd), Sydney, Australia
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Islam MS, Islam MM, Rahman MM, Islam K. 4G mobile phone radiation alters some immunogenic and vascular gene expressions, and gross and microscopic and biochemical parameters in the chick embryo model. Vet Med Sci 2023; 9:2648-2659. [PMID: 37725264 PMCID: PMC10650348 DOI: 10.1002/vms3.1273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 09/21/2023] Open
Abstract
BACKGROUND The risks to human health have grown over the past 10 years due to the excessive use of mobile phones. OBJECTIVES The study was designed to determine the harmful effects of 4G mobile phone radiation on the expression of immunogenic and vascular genes and gross, microscopic and biochemical alterations in the development of chicken embryos. METHODS Sixty individuals in the exposure group were subjected to mobile phones with a specific absorption rate of 1.4 W/kg and a frequency of 2100 MHz positioned at a distance of 12 cm in the incubator for 60 min/night for 14 days. The histopathological examination involved hematoxylin and eosin staining, whereas cresyl violet staining was used to evaluate the condition and number of neurons in the brain. The biochemical parameters of amniotic fluid were analysed using the photometry method, and the expression of VEGF-A and immunity genes (AvBD9, IL6) was measured using the real-time PCR (qPCR) technique. RESULTS Compared to the control, the exposure group's body weight and length significantly decreased (p < 0.05). Subcutaneous bleeding was seen in the exposure group. Urea, creatinine, alkaline phosphatase, aspartate aminotransferase and alanine aminotransferase levels were all significantly higher than in the control group (p < 0.05). The exposed group showed pathological lesions in the liver and degenerated neurons with lightly stained nuclei in the cerebral cortex. Hyperchromatic neurons were significantly higher in the exposure group (58.8 ± 2.28) compared to the control (6.6 ± 0.44) (p < 0.05). 4G exposure reduced lymphocyte count in the caecal tonsil (86.8 ± 5.38) compared to the control (147.2 ± 9.06) (p < 0.05). Vascular gene mRNA expression was higher, but immune gene expression was lower in the exposed group. CONCLUSION Exposure to mobile phone radiation may result in gross, microscopic and biochemical changes, as well as alterations in gene expression that could hinder embryonic development.
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Affiliation(s)
- Md. Sadequl Islam
- Department of Anatomy and HistologyFaculty of Veterinary and Animal ScienceHajee Mohammad Danesh Science and Technology UniversityDinajpurBangladesh
| | - Md. Mominul Islam
- Department of Pathology and ParasitologyFaculty of Veterinary and Animal ScienceHajee Mohammad Danesh Science and Technology UniversityDinajpurBangladesh
| | - Md. Moshiur Rahman
- Graduate School of Biomedical and Health SciencesHiroshima UniversityHiroshimaJapan
| | - Khaleda Islam
- Institute of Nutrition and Food ScienceUniversity of DhakaDhakaBangladesh
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El-Kafoury BMA, Abdel-Hady EA, El Bakly W, Elayat WM, Hamam GG, Abd El Rahman SMM, Lasheen NN. Lipoic acid inhibits cognitive impairment induced by multiple cell phones in young male rats: role of Sirt1 and Atg7 pathway. Sci Rep 2023; 13:18486. [PMID: 37898621 PMCID: PMC10613255 DOI: 10.1038/s41598-023-44134-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 10/04/2023] [Indexed: 10/30/2023] Open
Abstract
The utilization of digital technology has grown rapidly in the past three decades. With this rapid increase, cell phones emit electromagnetic radiation; that is why electromagnetic field (EMF) has become a substantial new pollution source in modern civilization, mainly having adverse effects on the brain. While such a topic attracted many researchers' scopes, there are still minimal discoveries made regarding chronic exposure to EMF. The extensive use of cell phones may affect children's cognition even indirectly if parents and guardians used their phones repeatedly near them. This study aims to investigate possible lipoic acid (LA) effects on cognitive functions and hippocampal structure in young male rats exposed to electromagnetic fields (EMF) emitted from multiple cell phones. Forty young male Wistar rats were randomly allocated into three groups: control, multiple cell phones-exposed and lipoic acid-treated rats. By the end of the experimental period, the Morris water maze was used as a cognitive test. The rats were sacrificed for the collection of serum and hippocampal tissue. These serum samples were then utilized for assessment of Liver function tests. The level ofglutamate, acetylcholine (Ach) and malondialdehyde (MDA) was estimated, in addition to evaluating the expression of autophagy-related protein-7 (Atg7) and Sirt1 genes. The left hippocampal specimens were used for histopathological studies. Results showed that multiple cell phone-exposed rats exhibited shorter latency time to reach the platform by the fifth day of training; additionally, there was a reduction in consolidation of spatial long-term memory. Correspondingly, there was an elevation of hippocampal Ach, glutamate, and MDA levels; accompanied by up-regulation of hippocampal Sirt1 and Atg7 gene expression. Compared to the EMF-exposed group, LA administration improved both learning and memory, this was proved by the significant decline in hippocampal MDA and Ach levels, the higher hippocampal glutamate, the downregulated hippocampal Sirt1 gene expression and the upregulated Atg7 gene expression. In conclusion, EMF exposure could enhance learning ability; however, it interfered with long-term memory consolidation shown by higher hippocampal Ach levels. Lipoic acid treatment improved both learning and memory by enhancing autophagy and hippocampal glutamate level and by the reduced Ach levels and Sirt1 gene expression.
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Affiliation(s)
- Bataa M A El-Kafoury
- Department of Medical Physiology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Enas A Abdel-Hady
- Department of Medical Physiology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Wesam El Bakly
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
- Department of Medical Pharmacology, Faculty of Medicine, AFCM, Cairo, Egypt
| | - Wael M Elayat
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
- Department of Basic Medical Sciences, Faculty of Medicine, Galala University, Galala City, Egypt
| | - Ghada Galal Hamam
- Department of Histology and Cell Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | | | - Noha N Lasheen
- Department of Medical Physiology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
- Department of Basic Medical Sciences, Faculty of Medicine, Galala University, Galala City, Egypt.
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Panagopoulos DJ, Karabarbounis A, Yakymenko I, Chrousos GP. Human‑made electromagnetic fields: Ion forced‑oscillation and voltage‑gated ion channel dysfunction, oxidative stress and DNA damage (Review). Int J Oncol 2021; 59:92. [PMID: 34617575 PMCID: PMC8562392 DOI: 10.3892/ijo.2021.5272] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 08/23/2021] [Indexed: 12/13/2022] Open
Abstract
Exposure of animals/biological samples to human‑made electromagnetic fields (EMFs), especially in the extremely low frequency (ELF) band, and the microwave/radio frequency (RF) band which is always combined with ELF, may lead to DNA damage. DNA damage is connected with cell death, infertility and other pathologies, including cancer. ELF exposure from high‑voltage power lines and complex RF exposure from wireless communication antennas/devices are linked to increased cancer risk. Almost all human‑made RF EMFs include ELF components in the form of modulation, pulsing and random variability. Thus, in addition to polarization and coherence, the existence of ELFs is a common feature of almost all human‑made EMFs. The present study reviews the DNA damage and related effects induced by human‑made EMFs. The ion forced‑oscillation mechanism for irregular gating of voltage‑gated ion channels on cell membranes by polarized/coherent EMFs is extensively described. Dysfunction of ion channels disrupts intracellular ionic concentrations, which determine the cell's electrochemical balance and homeostasis. The present study shows how this can result in DNA damage through reactive oxygen species/free radical overproduction. Thus, a complete picture is provided of how human‑made EMF exposure may indeed lead to DNA damage and related pathologies, including cancer. Moreover, it is suggested that the non‑thermal biological effects attributed to RF EMFs are actually due to their ELF components.
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Affiliation(s)
- Dimitris J. Panagopoulos
- Laboratory of Health Physics, Radiobiology and Cytogenetics, Institute of Nuclear and Radiological Sciences and Technology, Energy and Safety, National Center for Scientific Research 'Demokritos', 15310 Athens, Greece
- Choremeion Research Laboratory, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
- Electromagnetic Field-Biophysics Research Laboratory, 10681 Athens, Greece
| | - Andreas Karabarbounis
- Department of Physics, Section of Nuclear and Particle Physics, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Igor Yakymenko
- Institute of Experimental Pathology, Oncology and Radiobiology of National Academy of Science of Ukraine, 03022 Kyiv, Ukraine
- Department of Public Health, Kyiv Medical University, 02000 Kyiv, Ukraine
| | - George P. Chrousos
- Choremeion Research Laboratory, Medical School, National and Kapodistrian University of Athens, 11527 Athens, Greece
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Almášiová V, Holovská K, Andrašková S, Cigánková V, Ševčíková Z, Raček A, Andrejčáková Z, Beňová K, Tóth Š, Tvrdá E, Molnár J, Račeková E. Potential influence of prenatal 2.45 GHz radiofrequency electromagnetic field exposure on Wistar albino rat testis. Histol Histopathol 2021; 36:685-696. [PMID: 33779980 DOI: 10.14670/hh-18-331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An ever-increasing use of wireless devices over the last decades has forced scientists to clarify their impact on living systems. Since prenatal development is highly sensitive to numerous noxious agents, including radiation, we focused on the assessment of potential adverse effects of microwave radiation (MR) on testicular development. Pregnant Wistar albino rats (3 months old, weighing 282±8 g) were exposed to pulsed MR at a frequency of 2.45 GHz, mean power density of 2.8 mW/cm², and a specific absorption rate of 1.82 W/kg for 2 hours/day throughout pregnancy. Male offspring were no longer exposed to MR following birth. Samples of biological material were collected after reaching adulthood (75 days). In utero MR exposure caused degenerative changes in the testicular parenchyma of adult rats. The shape of the seminiferous tubules was irregular, germ cells were degenerated and often desquamated. The diameters of the seminiferous tubules and the height of the germinal epithelium were significantly decreased (both at ∗∗p<0.01), while the interstitial space was significantly increased (∗∗p<0.01) when compared to the controls. In the group of rats prenatally exposed to MR, the somatic and germ cells were rich in vacuoles and their organelles were often altered. Necrotizing cells were more frequent and empty spaces between Sertoli cells and germ cells were observed. The Leydig cells contained more lipid droplets. An increased Fluoro Jade - C and superoxide dismutase 2 positivity was detected in the rats exposed to MR. Our results confirmed adverse effects of MR on testicular development.
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Affiliation(s)
- Viera Almášiová
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic.
| | - Katarína Holovská
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Sandra Andrašková
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Viera Cigánková
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Zuzana Ševčíková
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Adam Raček
- Department of Morphological Disciplines, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Zuzana Andrejčáková
- Department of Biology and Physiology, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Katarína Beňová
- Department of Biology and Physiology, University of Veterinary Medicine and Pharmacy in Kosice, Kosice, the Slovak Republic
| | - Štefan Tóth
- Department of Histology and Embryology, Faculty of Medicine, Pavol Jozef Safarik University in Kosice, Kosice, the Slovak Republic
| | - Eva Tvrdá
- Department of Animal Physiology, Slovak University of Agriculture in Nitra, Nitra, the Slovak Republic
| | - Ján Molnár
- Department of Theoretical and Industrial Electrical Engineering, Faculty of Electrical Engineering and Informatics, Technical University of Kosice, Kosice, the Slovak Republic
| | - Enikö Račeková
- Institute of Neurobiology of Biomedical Research Center of Slovak Academy of Sciences, the Slovak Republic
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