Cited by 921Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsSirtuins and Resveratrol in Medicine

The DOI matches its Crossref record; 68 of the 68 references it cites were found in a registry or an index.

JAK inhibition alleviates the cellular senescence-associated secretory phenotype and frailty in old age

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Abstract

Significance: A hallmark of aging is chronic sterile inflammation, which is closely associated with frailty and age-related diseases. We found that senescent fat progenitor cells accumulate in adipose tissue with aging and acquire a senescence-associated secretory phenotype (SASP), with increased production of proinflammatory cytokines compared with nonsenescent cells. These cells provoked inflammation in adipose tissue and induced macrophage migration. The JAK pathway is activated in adipose tissue with aging, and the SASP can be suppressed by inhibiting the JAK pathway in senescent cells. JAK1/2 inhibitors reduced inflammation and alleviated frailty in aged mice. One possible mechanism contributing to reduced frailty is SASP inhibition. Our study points to the JAK pathway as a potential target for countering age-related dysfunction.

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Metadata

Authors
Xu, M., Tchkonia, T., Ding, H., Ogrodnik, M., Lubbers, E. R., Pirtskhalava, T., White, T. A., Johnson, K. O., Stout, M. B., Mezera, V., Giorgadze, N., Jensen, M. D., LeBrasseur, N. K., & Kirkland, J. L.
Affiliations
  • Mayo Clinic (US)
  • Robert and Arlene Kogod Center on Aging,Mayo Clinic, Rochester, MN 55905;
Venue
Proceedings of the National Academy of Sciences
Published
2015-11-02
Volume
112
Issue
46
Pages
E6301-10
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W1932046626
Cited by
915
References
68
Citations by year
2026: 104 · 2025: 110 · 2024: 112 · 2023: 98 · 2022: 110 · 2021: 115 · 2020: 72 · 2019: 70 · 2018: 59 · 2017: 30 · 2016: 33 · 2015: 1
FWCI
30.20
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Funders
HHS | NIH | National Institute on Aging (AG041122, AG013925)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › 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
JAK inhibition, cellular senescence, senescence-associated secretory phenotype, frailty, aging, age-related inflammation, adipose tissue, preadipocytes, macrophage migration, conditioned medium, endothelial cells, physical function, JAK inhibitors
MeSH terms
Adipose Tissue, Animals, Cell Movement, Extracellular Matrix, Humans, Macrophages, Signal Transduction, Cellular Senescence, Adipocytes, RNA, Small Interfering, Mice, Janus Kinases, Human Umbilical Vein Endothelial Cells

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