Cited by 90Telomeres, Telomerase, and SenescenceReproductive System and PregnancyPreterm Birth and Chorioamnionitis

F4/80+ macrophages contribute to clearance of senescent cells in the mouse postpartum uterus

Egashira, Mahiro, Hirota, Yasushi, Shimizu-Hirota, Ryoko, Saito-Fujita, Tomoko, Haraguchi, Hirofumi, Matsumoto, Leona, Matsuo, Mitsunori, Hiraoka, Takehiro +7 more·2017·Endocrinology

Abstract

Cellular senescence, defined as an irreversible cell cycle arrest, exacerbates the tissue microenvironment. Our previous study demonstrated that mouse uterine senescent cells were physiologically increased according to gestational days and that their abnormal accumulation was linked to the onset of preterm delivery. We hypothesized that there is a mechanism for removal of senescent cells after parturition to maintain uterine function. In the current study, we noted abundant uterine senescent cells and their gradual disappearance in wild-type postpartum mice. F4/80+ macrophages were present specifically around the area rich in senescent cells. Depletion of macrophages in the postpartum mice using anti-F4/80 antibody enlarged the area of senescent cells in the uterus. We also found excessive uterine senescent cells and decreased second pregnancy success rate in a preterm birth model using uterine p53-deleted mice. Furthermore, a decrease in F4/80+ cells and an increase in CD11b+ cells with a senescence-associated inflammatory microenvironment were observed in the p53-deleted uterus, suggesting that uterine p53 deficiency affects distribution of the macrophage subpopulation, interferes with senescence clearance, and promotes senescence-induced inflammation. These findings indicate that the macrophage is a key player in the clearance of uterine senescent cells to maintain postpartum uterine function.

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Crossref · 10.1210/en.2016-1886

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  • F4/80+ macrophages are key players in removal of senescent uterine cells after parturition to keep postpartum uterine functionality in wild-type mice and maintain success rate of a second pregnancy in a preterm birth mouse model.

    “F4/80+ macrophages are also key players in the removal of senescent uterine cells after parturition to keep postpartum uterine functionality in wild-type mice and maintain the success rate of a second pregnancy in a preterm birth mouse model [135].”

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Authors
Egashira, M., Hirota, Y., Shimizu-Hirota, R., Saito-Fujita, T., Haraguchi, H., Matsumoto, L., Matsuo, M., Hiraoka, T., Tanaka, T., Akaeda, S., Takehisa, C., Saito-Kanatani, M., Maeda, K.-I., Fujii, T., & Osuga, Y.
Affiliations
  • The University of Tokyo (JP)
  • Japan Science and Technology Agency (JP)
Venue
Endocrinology
Published
2017-05-18
Volume
158
Issue
7
Pages
2344-2353
ISSN
  • 0013-7227 (ISSN-L)
  • 1945-7170
OpenAlex
W2616605368
Cited by
90
References
50
Citations by year
2026: 9 · 2025: 11 · 2024: 13 · 2023: 11 · 2022: 11 · 2021: 10 · 2020: 11 · 2019: 7 · 2018: 7
FWCI
5.05
Type
journal article
Language
en
Open access
closed
Locations
  • Endocrinology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (16K15701, 16K15700, 17K16833, 16H06279, 15J40160, 15K10660, 17H06640, 16K10668, 16H05469, 16H04679)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Immunology and Microbiology › Immunology › Reproductive System and Pregnancy
  • Health Sciences › Medicine › Epidemiology › Preterm Birth and Chorioamnionitis
Keywords
cellular senescence, senescent cell clearance, F4/80+ macrophages, postpartum uterus, uterine macrophages, p53 deficiency, senescence-associated inflammation, preterm birth, CD11b+ macrophages, macrophage depletion, uterine function, pregnancy success
MeSH terms
Animals, Antigens, Differentiation, Female, Macrophages, Male, Mice, Inbred ICR, Mice, Transgenic, Pregnancy, Uterus, Genes, p53, Cellular Senescence, Postpartum Period, Mice, Cytophagocytosis

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