Cited by 40Gout, Hyperuricemia, Uric AcidAntioxidant Activity and Oxidative StressGenetics, Aging, and Longevity in Model Organisms

Pro-Aging Effects of Xanthine Oxidoreductase Products

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Battelli, Maria Giulia, Bortolotti, Massimo, Bolognesi, Andrea, Polito, Letizia·2020·Antioxidants

Abstract

The senescence process is the result of a series of factors that start from the genetic constitution interacting with epigenetic modifications induced by endogenous and environmental causes and that lead to a progressive deterioration at the cellular and functional levels. One of the main causes of aging is oxidative stress deriving from the imbalance between the production of reactive oxygen (ROS) and nitrogen (RNS) species and their scavenging through antioxidants. Xanthine oxidoreductase (XOR) activities produce uric acid, as well as reactive oxygen and nitrogen species, which all may be relevant to such equilibrium. This review analyzes XOR activity through in vitro experiments, animal studies and clinical reports, which highlight the pro-aging effects of XOR products. However, XOR activity contributes to a regular level of ROS and RNS, which appears essential for the proper functioning of many physiological pathways. This discourages the use of therapies with XOR inhibitors, unless symptomatic hyperuricemia is present.

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Crossref · 10.3390/antiox9090839

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  • Xanthine oxidoreductase, an enzyme involved in production of UA, ROS and RNS, promotes aging and cellular senescence in vitro as well as in animal and clinical investigations.

    “Moreover, xanthine oxidoreductase, an enzyme involved in the production of UA, ROS and RNS, has been shown to promote aging and cellular senescence in vitro as well as in animal and clinical investigations [222].”

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Authors
Battelli, M. G., Bortolotti, M., Bolognesi, A., & Polito, L.
Affiliations
University of Bologna (IT)
Corresponding author
  • Bolognesi, Andrea
  • Polito, Letizia
Venue
Antioxidants
Publisher
MDPI AG
Published
2020-09-08
Volume
9
Issue
9
Pages
839
ISSN
2076-3921 (ISSN-L)
OpenAlex
W3084249236
Cited by
38
References
92
Citations by year
2026: 4 · 2025: 7 · 2024: 11 · 2023: 8 · 2022: 5 · 2021: 3
FWCI
0.64
Type
journal article
Language
en
Open access
Locations
  • Antioxidants (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Health Sciences › Medicine › Nephrology › Gout, Hyperuricemia, Uric Acid
  • Health Sciences › Medicine › Biochemistry › Antioxidant Activity and Oxidative Stress
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
Keywords
xanthine oxidoreductase, aging, oxidative stress, reactive oxygen species, reactive nitrogen species, uric acid, hyperuricemia, xanthine oxidoreductase inhibitors, epigenetic modifications, cellular senescence

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