Cited by 198Pancreatic function and diabetesDiabetes and associated disordersDiabetes Treatment and Management

β Cell Aging Markers Have Heterogeneous Distribution and Are Induced by Insulin Resistance

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Aguayo-Mazzucato, Cristina, van Haaren, Mark, Mruk, Magdalena, Lee, Terence B., Crawford, Caitlin, Hollister-Lock, Jennifer, Sullivan, Brooke A., Johnson, James W. +5 more·2017·Cell Metabolism

Abstract

We hypothesized that the known heterogeneity of pancreatic β cells was due to subpopulations of β cells at different stages of their life cycle with different functional capacities and that further changes occur with metabolic stress and aging. We identified new markers of aging in β cells, including IGF1R. In β cells IGF1R expression correlated with age, dysfunction, and expression of known age markers p16 ink4a, p53BP1, and senescence-associated β-galactosidase. The new markers showed striking heterogeneity both within and between islets in both mouse and human pancreas. Acute induction of insulin resistance with an insulin receptor antagonist or chronic ER stress resulted in increased expression of aging markers, providing insight into how metabolic stress might accelerate dysfunction and decline of β cells. These novel findings about β cell and islet heterogeneity, and how they change with age, open up an entirely new set of questions about the pathogenesis of type 2 diabetes.

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Crossref · 10.1016/j.cmet.2017.03.015

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Authors
Aguayo-Mazzucato, C., van Haaren, M., Mruk, M., Lee, T. B., Crawford, C., Hollister-Lock, J., Sullivan, B. A., Johnson, J. W., Ebrahimi, A., Dreyfuss, J. M., Van Deursen, J., Weir, G. C., & Bonner-Weir, S.
Affiliations
  • Joslin Diabetes Center (US)
  • Boston University (US)
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2017-04
Volume
25
Issue
4
Pages
898-910.e5
ISSN
1550-4131 (ISSN-L)
OpenAlex
W2604579271
Cited by
198
References
66
Citations by year
2026: 9 · 2025: 25 · 2024: 19 · 2023: 26 · 2022: 20 · 2021: 25 · 2020: 24 · 2019: 25 · 2018: 19 · 2017: 6
FWCI
20.74
Type
journal article
Language
en
Open access
Locations
  • Cell Metabolism (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
Funders
  • NIH (R01 DK093909, P30 DK036836, P30 DK057521)
  • Diabetes Research and Wellness Foundation
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Treatment and Management
Keywords
beta-cell heterogeneity, IGF-1 receptor, insulin resistance, islet heterogeneity, cellular senescence, p16INK4a, senescence-associated β-galactosidase, endoplasmic reticulum stress, insulin receptor antagonist, type 2 diabetes pathogenesis, metabolic stress
MeSH terms
Tumor Suppressor p53-Binding Protein 1, Adolescent, Adult, Aged, Aging, Animals, Diabetes Mellitus, Type 2, Female, Flow Cytometry, Glucose, Hemolytic Plaque Technique, Humans, Insulin, Insulin Resistance, Male, Mice, Inbred C57BL, Middle Aged, RNA, Messenger, Stress, Physiological, Biomarkers, Cellular Senescence, Receptor, IGF Type 1, Gene Expression Regulation, Developmental, Green Fluorescent Proteins, Insulin-Secreting Cells, Young Adult

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