Cited by 308Pancreatic function and diabetesDiabetes and associated disordersMetabolism, Diabetes, and Cancer

Glucose stimulates proinsulin biosynthesis by a dose-dependent recruitment of pancreatic beta cells

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Schuit, F C, In't Veld, P A, Pipeleers, D G·1988·Proceedings of the National Academy of Sciences

Abstract

Glucose is a well-known stimulus of proinsulin biosynthesis. In purified beta cells, the sugar induces a 25-fold increase in the synthesis of insulin immunoreactive material over 60-min incubation. Autoradiographic analysis of the individual cells shows that this effect is achieved via dose-dependent recruitment of pancreatic beta cells to biosynthetic activity. Recruitment of beta cells is also seen in isolated islets exposed to glucose. The sigmoidal dose-response curve for glucose-induced proinsulin biosynthesis thus reflects a heterogeneous responsiveness of pancreatic beta cells rather than a progressively increasing activity of functionally homogeneous cells. Dose-dependent recruitment of functionally diverse cells may be a ubiquitous mechanism in tissue function.

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Crossref · 10.1073/pnas.85.11.3865

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  • The β-cell population is heterogeneous, and aging may change the composition of the β-cell population.

    “It is also worth pointing out that the β-cell population is heterogeneous, and aging may change the composition of the β-cell population (34).”
  • GLP-1-induced increased β-cell mass may not be achievable in typical middle-aged patients because their capacity for β-cell expansion is low.

    “It has been suggested that incretin hormone therapy might serve to foster β-cell regeneration in humans with either type 1 or type 2 diabetes, but it is likely that GLP-1–induced increased β-cell mass may not be achievable in typical middle-aged patients with the capacity for β-cell expansion so predictably low in these human subjects (34).”

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Authors
Schuit, F. C., In't Veld, P. A., & Pipeleers, D. G.
Affiliations
  • Vrije Universiteit Brussel (BE)
  • Department of Metabolism, Vrije Universiteit Brussel, Belgium.
Venue
Proceedings of the National Academy of Sciences
Published
1988-06
Volume
85
Issue
11
Pages
3865-3869
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2032487852
Cited by
308
References
37
Citations by year
2026: 3 · 2025: 9 · 2024: 4 · 2023: 13 · 2022: 6 · 2021: 18 · 2020: 6 · 2019: 14 · 2018: 13 · 2017: 15 · 2016: 12 · 2015: 13 · 2014: 13 · 2013: 7 · 2012: 14
FWCI
9.12
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • VUBIR (Vrije Universiteit Brussel) (submittedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
glucose, proinsulin biosynthesis, pancreatic beta cells, dose-response relationship, islets, insulin secretion, beta-cell heterogeneity, cell-to-cell variability
MeSH terms
Animals, Autoradiography, Cell Separation, Cells, Cultured, Dose-Response Relationship, Drug, Glucose, Islets of Langerhans, Proinsulin, Rats, In Vitro Techniques

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