Cited by 41Effects of Radiation ExposurePluripotent Stem Cells ResearchTelomeres, Telomerase, and Senescence

Responses of human embryonic stem cells and their differentiated progeny to ionizing radiation

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Zou, Ying, Zhang, Ningzhe, Ellerby, Lisa M., Davalos, Albert R., Zeng, Xianmin, Campisi, Judith, Desprez, Pierre-Yves·2012·Biochemical and Biophysical Research Communications

Abstract

Human embryonic stem cells (hESCs) hold promise for the treatment of many human pathologies. For example, hESCs and the neuronal stem cells (NSCs) and neurons derived from them have significant potential as transplantation therapies for a variety of neurodegenerative diseases. Two concerns about the use of hESCs and their differentiated derivatives are their ability to function and their ability to resist neoplastic transformation in response to stresses that inevitably arise during their preparation for transplantation. To begin to understand how these cells handle genotoxic stress, we examined the responses of hESCs and derived NSCs and neurons to ionizing radiation (IR). Undifferentiated hESCs were extremely sensitive to IR, with nearly all the cells undergoing cell death within 5-7 h. NSCs and neurons were substantially more resistant to IR, with neurons showing the most resistant. Of interest, NSCs that survived IR underwent cellular senescence and acquired astrocytic characteristics. Unlike IR-treated astrocytes, however, the NSC-derived astrocytic cells that survived IR did not display the typical pro-inflammatory, pro-carcinogenic senescence-associated secretory phenotype. These findings suggest distinct genotoxic stress-responses of hESCs and derived NSC and neuronal populations, and suggest that damaged NSCs, while failing to function, may not cause local inflammation.

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Crossref · 10.1016/j.bbrc.2012.08.043

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  1. [23]Filion TM Qiao M Ghule PN Mandeville M van Wijnen AJ Stein JL Lian JB Altieri DC Stein GS Survival responses of human embryonic stem cells to DNA damage J Cell Physiol 2009 220 586 592 19373864 PMC2925401

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Authors
Zou, Y., Zhang, N., Ellerby, L. M., Davalos, A. R., Zeng, X., Campisi, J., & Desprez, P.-Y.
Affiliations
Buck Institute for Research on Aging (US)
Corresponding author
Desprez, Pierre-Yves
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
2012-09
Volume
426
Issue
1
Pages
100-105
ISSN
0006-291X (ISSN-L)
OpenAlex
W1966056603
Cited by
41
References
36
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 5 · 2021: 4 · 2020: 4 · 2019: 6 · 2018: 3 · 2017: 2 · 2016: 4 · 2015: 1 · 2014: 2 · 2013: 1
FWCI
0.97
Type
journal article
Language
en
Open access
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (AG09909, AG017242, CA126540)
  • Department of Defense (BC096367, CL1-00501)
  • California Institute for Regenerative Medicine
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pluripotent Stem Cells Research
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
Keywords
human embryonic stem cells, ionizing radiation, neuronal stem cells, neurons, genotoxic stress response, cellular senescence, senescence-associated secretory phenotype, radiation-induced cell death, oncogenic transformation
MeSH terms
Astrocytes, Cell Differentiation, Cell Survival, Cells, Cultured, DNA Damage, Humans, Neurons, Radiation Tolerance, Biomarkers, Cellular Senescence, Embryonic Stem Cells, Neural Stem Cells

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