The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.
Regulation of FOXOs and p53 by SIRT1 Modulators under Oxidative Stress
Open accessAbstract
Excessive reactive oxygen species (ROS) induce apoptosis and are associated with various diseases and with aging. SIRT1 (sirtuin-1), an NAD+-dependent protein deacetylase, decreases ROS levels and participates in cell survival under oxidative stress conditions. SIRT1 modulates the transcription factors p53, a tumor suppressor and inducer of apoptosis, and the forkhead O (FOXO) family, both of which play roles for cell survival and cell death. In this study, we aimed to know which is working greatly among p53 and FOXOs transcription factors in SIRT1's cell protective functions under oxidative stress conditions. The antimycin A-induced increase in ROS levels and apoptosis was enhanced by SIRT1 inhibitors nicotinamide and splitomicin, whereas it was suppressed by a SIRT1 activator, resveratrol, and a SIRT1 cofactor, NAD+. SIRT1-siRNA abolished the effects of splitomicin and resveratrol. p53-knockdown experiment in C2C12 cells and experiment using p53-deficient HCT116 cells showed that splitomicin and resveratrol modulated apoptosis by p53-dependent and p53-independent pathways. In p53-independent cell protective pathway, we found that FOXO1, FOXO3a, and FOXO4 were involved in SOD2's upregulation by resveratrol. The knockdown of these three FOXOs by siRNAs completely abolished the SOD2 induction, ROS reduction, and anti-apoptotic function of resveratrol. Our results indicate that FOXO1, FOXO3a and FOXO4, are indispensable for SIRT1-dependent cell survival against oxidative stress, although deacetylation of p53 has also some role for cell protective function of SIRT1.
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Cites
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Cited by
Redox regulation of FoxO transcription factors
Klotz, L.-O., Sánchez-Ramos, C., Prieto-Arroyo, I., Urbánek, P., Steinbrenner, H., & Monsalve, M. (2015) · Redox Biology · doi:10.1016/j.redox.2015.06.019 · Cited by 747
Emerging roles of SIRT1 in fatty liver diseases
Ding, R.-B., Bao, J., & Deng, C.-X. (2017) · International Journal of Biological Sciences · doi:10.7150/ijbs.19370 · Cited by 359
Ketogenic Diet in Alzheimer’s Disease
Rusek, M., Pluta, R., Ułamek-Kozioł, M., & Czuczwar, S. J. (2019) · International Journal of Molecular Sciences · doi:10.3390/ijms20163892 · Cited by 319
Tatone, C., Di Emidio, G., Barbonetti, A., Carta, G., Luciano, A. M., Falone, S., & Amicarelli, F. (2018) · Human Reproduction Update · doi:10.1093/humupd/dmy003 · Cited by 294
Possible Adverse Effects of High-Dose Nicotinamide: Mechanisms and Safety Assessment
Hwang, E., & Song, S. (2020) · Biomolecules · doi:10.3390/biom10050687 · Cited by 144
Metadata
- Authors
- Hori, Y. S., Kuno, A., Hosoda, R., & Horio, Y.
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2013-09-11
- Volume
- 8
- Issue
- 9
- Pages
- e73875
- ISSN
- 1932-6203 (ISSN-L)
- OpenAlex
- W2010312807
- Cited by
- 358
- References
- 28
- FWCI
- 10.48
- Type
- journal article
- Language
- en
- Open access
- gold
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