Cited by 31Chemotherapy-induced cardiotoxicity and mitigationChemotherapy-induced organ toxicity mitigationBioactive Compounds and Antitumor Agents

Effects of Water-Soluble Antioxidant from Spinach, NAO, on Doxorubicin-Induced Heart Injury

Breitbart, E, Lomnitski, L, Nyska, A, Malik, Z, Bergman, M, Sofer, Y, Haseman, J K, Grossman, S·2001·Human & Experimental Toxicology

Abstract

Doxorubicin (DOX) produces clinically restorative responses in numerous human cancers, but its cardiotoxicity has limited its usefulness. Because reactive oxygen species may affect DOX-induced antitumor activity and cardiotoxicity, we evaluated the prophylactic effect of spinach natural antioxidant (NAO) on DOX-induced cardiotoxicity and oxidative stress in female Balb/c mice using histological, electron microscopical and biochemical parameters. Mice were treated with NAO for 7 days prior to and/or for 6 days after DOX administration. Pretreatment with NAO (cumulative dose: 130 mg/kg) did not hinder the effectiveness of DOX. Light and electron microscopy of DOX-treated heart revealed myocardial degeneration. When administered combined before and after DOX, NAO conferred the most significant cardiac protection. The effects of NAO on the lipid peroxidation product, malondialdehyde, and on H2O2/ hydroperoxides were examined on day 6 following DOX administration; levels of both were elevated in DOX-treated mice, compared to control. Pretreatment with NAO prevented these changes. Pretreatment with NAO before DOX administration decreased catalase and increased superoxide dismutase activities compared to the DOX group. Our results suggest usage of NAO in combination with DOX as a prophylactic strategy to protect heart muscle from DOX-induced cellular damage.

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Crossref · 10.1191/096032701680350604

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  • Spinach is associated with numerous health advantages, such as antioxidant characteristics, lipid-lowering effects, appetite regulation, tissue regeneration, and protection against oxidative stress-induced damage.

    “These results show that spinach is associated with numerous health advantages, such as antioxidant characteristics, lipid-lowering effects, appetite regulation, tissue regeneration, and protection against oxidative stress-induced damage [156,162,164,165,166,167,168,169,170].”

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Authors
Breitbart, E., Lomnitski, L., Nyska, A., Malik, Z., Bergman, M., Sofer, Y., Haseman, J. K., & Grossman, S.
Affiliations
  • Bar-Ilan University (IL)
  • National Institute of Environmental Health Sciences (US)
  • Ariel University (IL)
Venue
Human & Experimental Toxicology
Published
2001-07
Volume
20
Issue
7
Pages
337-345
ISSN
  • 0960-3271 (ISSN-L)
  • 1477-0903
OpenAlex
W2157864692
Cited by
31
References
45
Citations by year
2024: 1 · 2023: 2 · 2021: 1 · 2018: 2 · 2017: 2 · 2014: 1 · 2013: 3
FWCI
1.95
Type
journal article
Language
en
Open access
closed
Locations
  • Human & Experimental Toxicology (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Environmental Health Sciences
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Chemotherapy-induced cardiotoxicity and mitigation
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Chemotherapy-induced organ toxicity mitigation
  • Life Sciences › Pharmacology, Toxicology and Pharmaceutics › Toxicology › Bioactive Compounds and Antitumor Agents
Keywords
doxorubicin, cardiotoxicity, spinach, natural antioxidants, oxidative stress, reactive oxygen species, lipid peroxidation, malondialdehyde, hydrogen peroxide, superoxide dismutase, catalase, cardioprotection, myocardial degeneration, chemoprevention
MeSH terms
Animals, Antineoplastic Agents, Antioxidants, Doxorubicin, Female, Heart Diseases, Mice, Inbred BALB C, Microscopy, Electron, Myocardium, Plant Extracts, Solubility, Lipid Peroxidation, Reactive Oxygen Species, Oxidative Stress, Spinacia oleracea, Mice

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