Geomagnetic Shielding Enhances Radiation Resistance by Promoting DNA Repair Process in Human Bronchial Epithelial Cells

With the advent of long-duration space explorations, ionizing radiation (IR) may pose a constant threat to astronauts without the protection of Earth's magnetic field, or hypomagnetic field (HMF). However, the potential biological effects of a HMF on the cellular response to IR have not been we...

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Bibliographic Details
Published in:International journal of molecular sciences 2020-12, Vol.21 (23), p.9304
Main Authors: Xue, Xunwen, Ali, Yasser F, Liu, Caorui, Hong, Zhiqiang, Luo, Wanrong, Nie, Jing, Li, Bingyan, Jiao, Yang, Liu, Ning-Ang
Format: Article
Language:English
Subjects:
Apoptosis
Astronauts
Biological effects
Brief Report
Bronchi - cytology
Cell culture
Cell cycle
Cell Line
Deoxyribonucleic acid
DNA
DNA Breaks, Double-Stranded
DNA damage
DNA damage response
DNA Repair
Earth
Epithelial cells
Epithelial Cells - metabolism
Epithelial Cells - radiation effects
Genotoxicity
Geomagnetic field
Geomagnetism
Histones - metabolism
human lung epithelial cells
Humans
hypomagnetic field
Ionizing radiation
Magnetic Fields
Magnetic shielding
Radiation shielding
Radiation Tolerance
Radiation, Ionizing
Repair
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Summary:With the advent of long-duration space explorations, ionizing radiation (IR) may pose a constant threat to astronauts without the protection of Earth's magnetic field, or hypomagnetic field (HMF). However, the potential biological effects of a HMF on the cellular response to IR have not been well characterized so far. In this study, immortalized human bronchial epithelial cells were exposed to X-rays under either a geomagnetic field (GMF, ~50 uT) or HMF (
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms21239304