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Biological Effects of Low-Dose and Low-Dose-Rate Ionizing Radiation Exposure 2.0

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biophysics".

Deadline for manuscript submissions: closed (15 April 2024) | Viewed by 1714

Special Issue Editors


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Guest Editor
State Research Center-Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency (SRC-FMBC), 123098 Moscow, Russia
Interests: DNA damage and repair; DNA double-strand breaks; cell death; cellular radiobiology; genotoxicity; carcinogenesis
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Guest Editor
1. Institut de Radioprotection et de Sureté Nucléaire (IRSN), 92260 Fontenay-aux-Roses, France
2. Department of Biochemistry, Microbiology and Immunology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
Interests: ionizing radiation; genotoxicity; DNA damage; DNA repair; mutagenesis; carcinogenesis; radioprotection
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Evaluation of the health risks associated with exposures of humans to low-dose and low-dose-rate ionizing radiation is prone to uncertainties due to the lack of knowledge of molecular mechanisms that underlie long-term health effects. This Special Issue will highlight the latest research on cellular and molecular effects of low-dose and low-dose-rate ionizing radiation exposures, such as DNA damage and repair, signal transduction, translation regulation, epigenetic rearrangement, and how they convert to cancer and non-cancer disease. We therefore invite research articles presenting novel results, reviews, and/or perspectives addressing or systematizing pertaining knowledge in this area. The specific topics that can be covered include but are not limited to:

  • Links between initial DNA damage and subsequent mutagenesis and carcinogenesis;
  • Mechanisms of radioadaptive responses and hormetic effects;
  • The effect of dose rate on a choice of a DNA damage response pathway;
  • Molecular biomarkers of exposure and bioindicators of health risks;
  • Molecular responses to internal vs. external irradiation; radionuclide-specific effects;
  • Effects of chronic cosmic radiation exposures associated with long-term manned space missions;
  • Advances in molecular epidemiology;
  • Application of artificial intelligence/machine learning to decoding low-dose and low-dose-rate molecular mechanisms;
  • Consolidation of the knowledge of molecular mechanisms within the concept of adverse outcome pathways.

We look forward to your valuable contributions.

Prof. Dr. Andreyan N. Osipov
Dr. Dmitry Klokov
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • ionizing radiation
  • low dose
  • low dose rate
  • DNA damage and repair
  • molecular mechanisms
  • cellular radiation effects
  • radioadaptive response
  • radiation hormesis
  • bystander effect
  • biomarkers
  • molecular epidemiology
  • carcinogenesis
  • radioprotection

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Published Papers (1 paper)

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Research

14 pages, 2345 KiB  
Article
Early and Late Effects of Low-Dose X-ray Exposure in Human Fibroblasts: DNA Repair Foci, Proliferation, Autophagy, and Senescence
by Andrey Osipov, Anna Chigasova, Elizaveta Yashkina, Maxim Ignatov, Natalia Vorobyeva, Nikolay Zyuzikov and Andreyan N. Osipov
Int. J. Mol. Sci. 2024, 25(15), 8253; https://doi.org/10.3390/ijms25158253 - 28 Jul 2024
Viewed by 1177
Abstract
The effects of low-dose radiation exposure remain a controversial topic in radiation biology. This study compares early (0.5, 4, 24, 48, and 72 h) and late (5, 10, and 15 cell passages) post-irradiation changes in γH2AX, 53BP1, pATM, and p-p53 (Ser-15) foci, proliferation, [...] Read more.
The effects of low-dose radiation exposure remain a controversial topic in radiation biology. This study compares early (0.5, 4, 24, 48, and 72 h) and late (5, 10, and 15 cell passages) post-irradiation changes in γH2AX, 53BP1, pATM, and p-p53 (Ser-15) foci, proliferation, autophagy, and senescence in primary fibroblasts exposed to 100 and 2000 mGy X-ray radiation. The results show that exposure to 100 mGy significantly increased γH2AX, 53BP1, and pATM foci only at 0.5 and 4 h post irradiation. There were no changes in p-p53 (Ser-15) foci, proliferation, autophagy, or senescence up to 15 passages post irradiation at the low dose. Full article
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