Cited by 74Pancreatic function and diabetesDiabetes and associated disordersDiabetes Management and Research

β cells persist in T1D pancreata without evidence of ongoing β-cell turnover or neogenesis

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Lam, Carol J, Jacobson, Daniel R, Rankin, Matthew M, Cox, Aaron R, Kushner, Jake A·2017·The Journal of Clinical Endocrinology & Metabolism

Abstract

Context: The cellular basis of persistent β-cell function in type 1 diabetes (T1D) remains enigmatic. No extensive quantitative β-cell studies of T1D pancreata have been performed to test for ongoing β-cell regeneration or neogenesis. Objective: We sought to determine the mechanism of β-cell persistence in T1D pancreata. Design: We studied T1D (n = 47) and nondiabetic control (n = 59) pancreata over a wide range of ages from the Juvenile Diabetes Research Foundation Network of Pancreatic Organ Donors with Diabetes via high-throughput microscopy. Intervention and Main Outcome Measures: We quantified β-cell mass, β-cell turnover [via Ki-67 and terminal deoxynucleotide transferase-mediated dUTP nick end labeling (TUNEL)], islet ductal association, and insulin/glucagon coexpression in T1D and control pancreata. Results: Residual insulin-producing β cells were detected in some (but not all) T1D cases of varying disease duration. Several T1D pancreata had substantial numbers of β cells. Although β-cell proliferation was prominent early in life, it dramatically declined after infancy in both nondiabetic controls and T1D individuals. However, β-cell proliferation was equivalent in control and T1D pancreata. β-cell death (assessed by TUNEL) was extremely rare in control and T1D pancreata. Thus, β-cell turnover was not increased in T1D. Furthermore, we found no evidence of small islet/ductal neogenesis or α-cell to β-cell transdifferentiation in T1D pancreata, regardless of disease duration. Conclusion: Longstanding β-cell function in patients with T1D appears to be largely a result of β cells that persist, without any evidence of attempted β-cell regeneration, small islet/ductal neogenesis, or transdifferentiation from other islet endocrine cell types.

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Crossref · 10.1210/jc.2016-3806

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  • Analysis of pancreatic sections from individuals with long-term type 1 diabetes shows the presence of residual β cells decades after diagnosis.

    “However, analysis of pancreatic sections from individuals with long-term type 1 diabetes show the presence of residual β cells decades after diagnosis.62,63”

    From Type 1 diabetes (2018) · cites this paper as [63]

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Authors
Lam, C. J., Jacobson, D. R., Rankin, M. M., Cox, A. R., & Kushner, J. A.
Affiliations
  • Baylor College of Medicine (US)
  • Children's Hospital of Philadelphia (US)
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2017-02-27
Volume
102
Issue
8
Pages
2647-2659
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2742483070
Cited by
68
References
40
Citations by year
2026: 2 · 2025: 7 · 2024: 6 · 2023: 8 · 2022: 7 · 2021: 15 · 2020: 3 · 2019: 9 · 2018: 10 · 2017: 1
FWCI
6.44
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute on Aging (R01AG040110)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK079638)
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 Management and Research
Keywords
type 1 diabetes, pancreatic beta cells, beta-cell turnover, beta-cell proliferation, beta-cell death, islet neogenesis, beta-cell mass, disease duration
MeSH terms
Adolescent, Adult, Aged, Child, Child, Preschool, Diabetes Mellitus, Type 1, Female, Glucagon, Humans, Infant, Infant, Newborn, Insulin, Islets of Langerhans, Male, Middle Aged, Pancreas, Regeneration, Time Factors, Case-Control Studies, Ki-67 Antigen, In Situ Nick-End Labeling, Glucagon-Secreting Cells, Insulin-Secreting Cells, Cell Transdifferentiation, Young Adult

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