Cited by 73Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsAntioxidants, Aging, Portulaca oleracea

Characterization of cellular senescence in doxorubicin-induced aging mice

Sun, Tianyue, Zhang, Lanxin, Feng, Jiali, Bao, Lingyuan, Wang, Jiqun, Song, Zhouzhi, Mao, Zhifan, Li, Jian +1 more·2022·Experimental Gerontology

Abstract

With a rise in the need to develop anti-aging drugs, a growing number of in vivo studies evaluating the efficacy of potential drug candidates have used doxorubicin-induced aging mice. However, changes in the biomarkers of senescent cells have not been reported in detail in these animals. To lay a foundation for the use of doxorubicin-induced aging mice, we examined the biomarkers of hepatic and renal senescent cells in these mice. We found that the 5 mg/kg doxorubicin dose is optimal to induce cellular senescence in mice. Subsequently, using this dose, we found that doxorubicin-induced an increase in senescence-associated β-galactosidase (SA-β-gal) positive cells in the kidney and lipofuscin accumulation in the liver. Some markers of senescent cells (p21 WAF1/CIP1, p16 INK4A, and γH2AX) were also significantly upregulated by doxorubicin and then counteracted by metformin treatment. These preliminary findings support the application of doxorubicin-induced aging mice as an animal model to evaluate the efficacy of anti-aging drug candidates.

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Crossref · 10.1016/j.exger.2022.111800

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Authors
Sun, T., Zhang, L., Feng, J., Bao, L., Wang, J., Song, Z., Mao, Z., Li, J., & Hu, Z.
Affiliations
  • East China University of Science and Technology (CN)
  • Tongji University (CN)
Corresponding author
Hu, Zelan
Venue
Experimental Gerontology
Publisher
Elsevier BV
Published
2022-06
Volume
163
Pages
111800
ISSN
0531-5565 (ISSN-L)
OpenAlex
W4223440962
Cited by
73
References
47
Citations by year
2026: 13 · 2025: 24 · 2024: 19 · 2023: 14 · 2022: 3
FWCI
9.28
Type
journal article
Language
en
Open access
closed
Locations
  • Experimental Gerontology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Antioxidants, Aging, Portulaca oleracea
Keywords
cellular senescence, senescence biomarkers, senescence-associated β-galactosidase, lipofuscin accumulation, p21, p16INK4a, γH2AX, metformin, animal models of aging, liver, kidney
MeSH terms
Aging, Animals, beta-Galactosidase, Doxorubicin, Biomarkers, Cellular Senescence, Cyclin-Dependent Kinase Inhibitor p16, Cyclin-Dependent Kinase Inhibitor p21, Mice

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