Cited by 28Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsSirtuins and Resveratrol in Medicine

Senescence-like phenotype in post-mitotic cells of mice entering middle age

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Raffaele, Marco, Kovacovicova, Kristina, Bonomini, Francesca, Rezzani, Rita, Frohlich, Jan, Vinciguerra, Manlio·2020·Aging

Abstract

Staining mice tissues for β-galactosidase activity is a fundamental tool to detect age- or disease-associated cellular senescence. However, reported analyses of positivity for senescence-associated β-galactosidase activity or for other markers of senescence in post-mitotic cells of healthy murine tissues have been fragmentary or inconclusive. Here, we attempted to independently deepen this knowledge using multiple senescence markers within the same cells of wild type mice entering middle age (9 months of age). A histochemistry protocol for the pH-dependent detection of β-galactosidase activity in several tissues was used. At pH 6, routinely utilized to detect senescence-associated β-galactosidase activity, only specific cellular populations in the mouse body (including Purkinje cells and choroid plexus in the central nervous system) were detected as strongly positive for β-galactosidase activity. These post-mitotic cells were also positive for other established markers of senescence (p16, p21 and DPP4), detected by immunofluorescence, confirming a potential senescent phenotype. These data might contribute to understanding the functional relation between the senescence-associated β-galactosidase activity and senescence markers in post-mitotic cells in absence of disease or advanced aging.

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  • A senescence-like phenotype is present in various post-mitotic cells of mice entering middle age in the absence of disease or advanced ageing.

    “and a senescence-like phenotype is present in various post-mitotic cells of mice entering middle age in the absence of disease or advanced ageing.110”

    From The costs and benefits of senotherapeutics for human health (2022) · cites this paper as [110]

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Authors
Raffaele, M., Kovacovicova, K., Bonomini, F., Rezzani, R., Frohlich, J., & Vinciguerra, M.
Affiliations
  • University Hospital Brno (CZ)
  • International Clinical Research Center (FNUSA-ICRC), St’ Anne University Hospital, Brno, Czech Republic
  • University of Brescia (IT)
  • Masaryk University (CZ)
Venue
Aging
Published
2020-07-31
Volume
12
Issue
14
Pages
13979-13990
ISSN
1945-4589 (ISSN-L)
OpenAlex
W3041036117
Cited by
28
References
48
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 5 · 2022: 7 · 2021: 6 · 2020: 1
FWCI
2.86
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Aging (publishedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Research Information System (Università degli Studi di Brescia) (submittedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Geriatrics and Gerontology › Sirtuins and Resveratrol in Medicine
Keywords
cellular senescence, senescence-associated β-galactosidase, postmitotic cells, middle age (human life stage), p16, p21, dipeptidyl peptidase IV, Purkinje cells, choroid plexus, senescence markers, healthy aging, mice
MeSH terms
Aging, Animals, beta-Galactosidase, Hydrogen-Ion Concentration, Immunohistochemistry, Mice, Inbred C57BL, Mitosis, Biomarkers, Cellular Senescence, Mice

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