| 2.45 GHz Microwave Irradiation-Induced Oxidative Stress Affects Implantation or Pregnancy in Mice, Mus musculus. | |
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MedLine Citation:
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PMID: 23334843 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The present experiment was designed to study the 2.45 GHz low-level microwave (MW) irradiation-induced stress response and its effect on implantation or pregnancy in female mice. Twelve-week-old mice were exposed to MW radiation (continuous wave for 2 h/day for 45 days, frequency 2.45 GHz, power density = 0.033549 mW/cm(2), and specific absorption rate = 0.023023 W/kg). At the end of a total of 45 days of exposure, mice were sacrificed, implantation sites were monitored, blood was processed to study stress parameters (hemoglobin, RBC and WBC count, and neutrophil/lymphocyte (N/L) ratio), the brain was processed for comet assay, and plasma was used for nitric oxide (NO), progesterone and estradiol estimation. Reactive oxygen species (ROS) and the activities of ROS-scavenging enzymes- superoxide dismutase, catalase, and glutathione peroxidase-were determined in the liver, kidney and ovary. We observed that implantation sites were affected significantly in MW-irradiated mice as compared to control. Further, in addition to a significant increase in ROS, hemoglobin (p < 0.001), RBC and WBC counts (p < 0.001), N/L ratio (p < 0.01), DNA damage (p < 0.001) in brain cells, and plasma estradiol concentration (p < 0.05), a significant decrease was observed in NO level (p < 0.05) and antioxidant enzyme activities of MW-exposed mice. Our findings led us to conclude that a low level of MW irradiation-induced oxidative stress not only suppresses implantation, but it may also lead to deformity of the embryo in case pregnancy continues. We also suggest that MW radiation-induced oxidative stress by increasing ROS production in the body may lead to DNA strand breakage in the brain cells and implantation failure/resorption or abnormal pregnancy in mice. |
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Authors:
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Saba Shahin; Vineet Prakash Singh; Ritesh K Shukla; Alok Dhawan; Ravi Kumar Gangwar; Surya Pal Singh; Chandra Mohini Chaturvedi |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-22 |
Journal Detail:
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Title: Applied biochemistry and biotechnology Volume: - ISSN: 1559-0291 ISO Abbreviation: Appl. Biochem. Biotechnol. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8208561 Medline TA: Appl Biochem Biotechnol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Zoology, Banaras Hindu University, Varanasi, 221005, India, shahin07saba@gmail.com. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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