Cited by 160DNA Repair MechanismsEffects of Radiation ExposureRedox biology and oxidative stress

Hypothesis: Ataxia‐telangiectasia: Is ATM a sensor of oxidative damage and stress?

Rotman, Galit, Shiloh, Yosef·1997·BioEssays

Abstract

Ataxia‐telangiectasia (A‐T) is a pleiotropic recessive disorder characterized cerebellar ataxia, immunodeficiency, specific developmental defects, profound predisposition to cancer and acute radiosensitivity. Functional inactivation of single gene product, ATM, accounts for this compound phenotype. We suggest that ATM acts as a sensor of reactive oxygen species and/or oxidative damage cellular macromolecules, including DNA. In turn, ATM induces signalling through multiple pathways, thereby coordinating acute phase stress responses with cell cycle checkpoint control and repair of oxidative damage. Absence of ATM is proposed to limit the repair of insidious oxidative damage that can occur under normal physiological conditions, ultimately leading to apoptosis of particularly sensitive cells, such as neurons and thymocytes.

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Crossref · 10.1002/bies.950191011

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Authors
Rotman, G., & Shiloh, Y.
Affiliations
Tel Aviv University (IL)
Corresponding author
Rotman, Galit
Venue
BioEssays
Publisher
Wiley
Published
1997-10
Volume
19
Issue
10
Pages
911-917
ISSN
  • 0265-9247 (ISSN-L)
  • 1521-1878
OpenAlex
W2140913553
Cited by
160
References
84
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 3 · 2022: 3 · 2021: 6 · 2020: 3 · 2019: 2 · 2018: 3 · 2016: 2 · 2015: 5 · 2014: 6 · 2013: 4 · 2012: 3
FWCI
0.97
Type
journal article
Language
en
Open access
closed
Locations
  • BioEssays (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Israel Science Foundation
  • National Institute of Neurological Disorders and Stroke (R01NS031763, NS 31763)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Redox biology and oxidative stress
Keywords
ataxia telangiectasia, ATM kinase, oxidative stress, reactive oxygen species, DNA repair, cell cycle checkpoints, apoptosis, radiosensitivity, cancer susceptibility, immunodeficiency, cerebellar ataxia, neurons, thymocytes
MeSH terms
Ataxia Telangiectasia, DNA Damage, DNA-Binding Proteins, Humans, Models, Biological, Neurons, Proteins, T-Lymphocytes, Signal Transduction, Leucine Zippers, Apoptosis, Protein Serine-Threonine Kinases, Oxidative Stress, Cell Cycle Proteins, Tumor Suppressor Proteins, Ataxia Telangiectasia Mutated Proteins

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