ArticleDose-response : a publication of International Hormesis Society
Gamma Low-Dose-Rate Ionizing Radiation Stimulates Adaptive Functional and Molecular Response in Human Aortic Endothelial Cells in a Threshold-, Dose-, and Dose Rate-Dependent Manner.
Article in Dose-response : a publication of International Hormesis Society. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 23 citations in OpenAlex.
- Nonlinear Redox-Immune Coupling Under Low-Dose-Rate Radiation: A Compartment-Specific Framework for Biological Responses-A Narrative Review.Antioxidants (Basel, Switzerland) · 2026Review
- Biological effects of conventional and ultra high dose rate radiation in human cells.Scientific reports · 2026Article
- Adverse Outcome Pathways Applied to Space Radiation Research.Environmental and molecular mutagenesis · 2025Review
- A Landscape of Cancer Initiation and Cancer Stem Cells.Cancers · 2025Article
- Article
- Low-Dose Radiation Affects Cardiovascular Disease Risk in Human Aortic Endothelial Cells by Altering Gene Expression under Normal and Diabetic Conditions.International journal of molecular sciences · 2022Article
- Mitochondria as Target for Tumor Management of Hemangioendothelioma.Antioxidants & redox signaling · 2021Article
- Grape Seed Proanthocyanidins Exert a Radioprotective Effect on the Testes and Intestines Through Antioxidant Effects and Inhibition of MAPK Signal Pathways.Frontiers in medicine · 2021Article
- Quantification of DNA Double Strand Breaks and Oxidation Response in Children and Adults Undergoing Dental CBCT Scan.Scientific reports · 2020Article
- Single and fractionated ionizing radiation induce alterations in endothelial connexin expression and channel function.Scientific reports · 2019Article
- Adaptive responses to low doses of radiation or chemicals: their cellular and molecular mechanisms.Cellular and molecular life sciences : CMLS · 2019Review
- Influence of Individual Radiosensitivity on the Hormesis Phenomenon: Toward a Mechanistic Explanation Based on the Nucleoshuttling of ATM Protein.Dose-response : a publication of International Hormesis SocietyReview
- Repeated 0.2-Gy γ-Ray Irradiation Attenuates the Inflammatory Process and Endotoxin Damage Induced by Lipopolysaccharides.Dose-response : a publication of International Hormesis SocietyArticle
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A central question in radiation protection research is whether low-dose and low-dose-rate (LDR) exposures to ionizing radiation play a role in progression of cardiovascular disease. The response of endothelial cells to different LDR exposures may help estimate risk of cardiovascular disease by providing the biological mechanism involved. We investigated the effect of chronic LDR radiation on functional and molecular responses of human aorta endothelial cells (HAoECs). Human aorta endothelial cells were continuously irradiated at LDR (6 mGy/h) for 15 days and analyzed at time points when the cumulative dose reached 0.05, 0.5, 1.0, and 2.0 Gy. The same doses were administered acutely at high-dose rate (HDR; 1 Gy/min). The threshold for the loss of angiogenic capacity for both LDR and HDR radiations was between 0.5 and 1.0 Gy. At 2.0 Gy, angiogenic capacity returned to normal only for HAoEC exposed to LDR radiation, associated with increased expression of antioxidant and anti-inflammatory genes. Pre-LDR, but not pre-HDR, radiation, followed by a single acute 2.0 Gy challenge dose sustained the expression of antioxidant and anti-inflammatory genes and stimulated angiogenesis. Our results suggest that dose rate is important in cellular response and that a radioadaptive response is involved for a 2.0 Gy dose at LDR.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.