Cited by 180Mesenchymal stem cell researchTelomeres, Telomerase, and SenescenceHematopoietic Stem Cell Transplantation

The DOI matches its Crossref record; 73 of the 74 references it cites were found in a registry or an index.

FOXP1 controls mesenchymal stem cell commitment and senescence during skeletal aging

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Abstract

A hallmark of aged mesenchymal stem/progenitor cells (MSCs) in bone marrow is the pivot of differentiation potency from osteoblast to adipocyte coupled with a decrease in self-renewal capacity. However, how these cellular events are orchestrated in the aging progress is not fully understood. In this study, we have used molecular and genetic approaches to investigate the role of forkhead box P1 (FOXP1) in transcriptional control of MSC senescence. In bone marrow MSCs, FOXP1 expression levels declined with age in an inverse manner with those of the senescence marker p16INK4A. Conditional depletion of Foxp1 in bone marrow MSCs led to premature aging characteristics, including increased bone marrow adiposity, decreased bone mass, and impaired MSC self-renewal capacity in mice. At the molecular level, FOXP1 regulated cell-fate choice of MSCs through interactions with the CEBPβ/δ complex and recombination signal binding protein for immunoglobulin κ J region (RBPjκ), key modulators of adipogenesis and osteogenesis, respectively. Loss of p16INK4A in Foxp1-deficient MSCs partially rescued the defects in replication capacity and bone mass accrual. Promoter occupancy analyses revealed that FOXP1 directly represses transcription of p16INK4A. These results indicate that FOXP1 attenuates MSC senescence by orchestrating their cell-fate switch while maintaining their replicative capacity in a dose- and age-dependent manner.

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Metadata

Authors
Li, H., Liu, P., Xu, S., Li, Y., Dekker, J. D., Li, B., Fan, Y., Zhang, Z., Hong, Y., Yang, G., Tang, T., Ren, Y., Tucker, H. O., Yao, Z., & Guo, X.
Affiliations
  • Shanghai Jiao Tong University (CN)
  • Fudan University (CN)
  • The University of Texas at Austin (US)
  • Shanghai Sixth People's Hospital (CN)
  • Nanjing First Hospital (CN)
Corresponding author
Guo, Xizhi
Venue
Journal of Clinical Investigation
Published
2017-02-27
Volume
127
Issue
4
Pages
1241-1253
ISSN
  • 0021-9738 (ISSN-L)
  • 1558-8238
OpenAlex
W2591050028
Cited by
180
References
74
Citations by year
2026: 8 · 2025: 22 · 2024: 24 · 2023: 33 · 2022: 27 · 2021: 18 · 2020: 18 · 2019: 9 · 2018: 18 · 2017: 3
FWCI
7.54
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Lymphoma Research Foundation (300463)
  • Cancer Prevention and Research Institute of Texas (RP120459, RP120348 and RP120459, RP120348)
  • National Natural Science Foundation of China (973 Program, 31171396, 31100624, 2012CB966903, 31271553, 81421061, 81200586, 2014CB942902, R01CA31534)
  • National Institutes of Health (31100624, 31271553, 2014CB942902, 31171396, 81421061, 2012CB966903)
  • National Key Research and Development Program of China (31271553, 2012CB966903, R01CA31534, 31100624, 31171396, 2014CB942902, 81421061)
  • National Cancer Institute (R01CA031534)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Mesenchymal stem cell research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Hematology › Hematopoietic Stem Cell Transplantation
Keywords
FOXP1, mesenchymal stem cells, skeletal aging, cellular senescence, p16INK4a, bone marrow adiposity, bone formation, adipogenesis, lineage commitment, transcriptional repression, replicative capacity, bone mass
MeSH terms
Animals, Bone Marrow Cells, Cell Line, Humans, Osteogenesis, Repressor Proteins, Cellular Senescence, Mice, Knockout, Cyclin-Dependent Kinase Inhibitor p16, CCAAT-Enhancer-Binding Protein-beta, Adipogenesis, Mice, CCAAT-Enhancer-Binding Protein-delta, Forkhead Transcription Factors, Mesenchymal Stem Cells

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