Cited by 137Telomeres, Telomerase, and SenescenceAngiogenesis and VEGF in CancerNitric Oxide and Endothelin Effects

Hyperglycemia Accelerated Endothelial Progenitor Cell Senescence via the Activation of p38 Mitogen-Activated Protein Kinase

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Kuki, Shintaro, Imanishi, Toshio, Kobayashi, Katsunobu, Matsuo, Yoshiki, Obana, Masahiro, Akasaka, Takashi·2006·Circulation Journal

Abstract

BACKGROUND: Both the number and function of bone marrow-derived endothelial progenitor cells (EPCs) have been shown to be impaired in patients with diabetes mellitus. Therefore, we investigated the effect of glucose on the senescence of EPCs. METHODS AND RESULTS: EPCs were isolated from human peripheral blood and characterized to evaluate the effect of glucose (in 5-12.5 mmol/L) on the rate of senescence by acidic beta-galactosidase staining. The phosphorylation of p38 mitogen-activated protein kinase (MAPK) level was analyzed by ELISA. The exposure of cultured EPC to high glucose (HG; 12.5 mmol/L) significantly accelerated the rate of senescence compared with that in osmolar control (L-glucose) during 10 days culture. An inhibitory effect of HG on EPC proliferation disclosed by an MTS assay. The phosphorylation of p38 MAPK in EPCs was also increased by glucose compared with control in a dose-dependent manner. HG-induced EPC senescence was significantly inhibited by the addition of an inhibitor of the p38 MAPK, SB203580. CONCLUSIONS: HG accelerates the onset of EPCs senescence leading to the impairment of proliferative activity, which might be related to the phosphorylation of p38 MAPK.

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Crossref · 10.1253/circj.70.1076

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  • Elevated glucose and lipid levels themselves, like inflammation, can induce cellular senescence.

    “For example, elevated glucose and lipid levels themselves, like inflammation, can induce cellular senescence [11, 37].”

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Research works printed but not linked: 3

  1. Imanishi T, Hano T, Matsuo Y, Nishio I. Oxidized LDL inhibits vas- cular endothelial growth factor-induced endothelial progenitor cell differentiation. Clin Exp Pharmacol Physiol 2003; 30: 665 -670.
  2. Imanishi T, Hano T, Nishio I. Angiotensin II potentiates VEGF-in- duced proliferation, and network formation in endothelial progenitor cells. Hypertension Res 2004; 27: 101 -108.
  3. Adams RH, Porras A, Alonso G, Jones M, Vinterstewn K, Panelli S, et al. Essential role of p38αMAP kinase in placental but not embry- onic cardiovascular development. Mol Cell 2000; 6: 106 -116.

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Authors
Kuki, S., Imanishi, T., Kobayashi, K., Matsuo, Y., Obana, M., & Akasaka, T.
Affiliations
Wakayama Medical University (JP)
Venue
Circulation Journal
Published
2006
Volume
70
Issue
8
Pages
1076-1081
ISSN
  • 1346-9843 (ISSN-L)
  • 1347-4820
OpenAlex
W2067349642
Cited by
137
References
41
Citations by year
2026: 3 · 2025: 6 · 2024: 2 · 2023: 4 · 2022: 9 · 2021: 11 · 2020: 2 · 2019: 3 · 2018: 4 · 2017: 8 · 2016: 6 · 2015: 7 · 2014: 5 · 2013: 6 · 2012: 7
FWCI
6.15
Type
journal article
Language
en
Open access
Locations
  • Circulation Journal (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
endothelial progenitor cells, hyperglycemia, cellular senescence, p38 MAPK, diabetes mellitus, high glucose, cell proliferation, SB203580, beta-galactosidase staining
MeSH terms
Cell Differentiation, Cells, Cultured, Dose-Response Relationship, Drug, Enzyme Activation, Enzyme Inhibitors, Glucose, Humans, Hyperglycemia, Imidazoles, Mitosis, Phosphorylation, Pyridines, Stem Cells, Signal Transduction, Cellular Senescence, Endothelial Cells, p38 Mitogen-Activated Protein Kinases, Cell Proliferation

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