Cited by 303Pancreatic function and diabetesPancreatic and Hepatic Oncology ResearchPancreatitis Pathology and Treatment

Preexisting pancreatic acinar cells contribute to acinar cell, but not islet β cell, regeneration

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Desai, Biva M., Oliver-Krasinski, Jennifer, De Leon, Diva D., Farzad, Cyrus, Hong, Nankang, Leach, Steven D., Stoffers, Doris A.·2007·Journal of Clinical Investigation

Abstract

It has been suggested that pancreatic acinar cells can serve as progenitors for pancreatic islets, a concept with substantial implications for therapeutic efforts to increase insulin-producing beta cell mass in patients with diabetes. We report what we believe to be the first in vivo lineage tracing approach to determine the plasticity potential of pancreatic acinar cells. We developed an acinar cell-specific inducible Cre recombinase transgenic mouse, which, when mated with a reporter strain and pulsed with tamoxifen, resulted in permanent and specific labeling of acinar cells and their progeny. During various time periods of observation and using several models to provoke injury, we failed to observe any chase of the labeled cells into the endocrine compartment, indicating that acinar cells do not normally transdifferentiate into islet beta cells in vivo in adult mice. In contrast, we observed a substantial role for replication of preexisting acinar cells in the regeneration of new acinar cells after partial pancreatectomy. These results indicate that mature acinar cells harbor a facultative acinar but not endocrine progenitor capacity.

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  • Lineage tracing studies in mice confirmed that acinar cells can repopulate damaged tissue.

    “lineage tracing studies in mice confirmed that acinar cells can repopulate damaged tissue112.”

    From Pancreatic cancer: Advances and challenges (2023) · cites this paper as [112]

  • Normal β-cell growth primarily occurs by self-renewal of mature β-cells-not by replication of specialized progenitors.

    “the findings of recent studies by several groups (including ours) indicate that normal β-cell growth primarily occurs by self-renewal of mature β-cells—not by replication of specialized progenitors (8–12).”

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Authors
Desai, B. M., Oliver-Krasinski, J., De Leon, D. D., Farzad, C., Hong, N., Leach, S. D., & Stoffers, D. A.
Affiliations
  • University of Pennsylvania (US)
  • Johns Hopkins University (US)
Corresponding author
Stoffers, Doris A.
Venue
Journal of Clinical Investigation
Published
2007-04-02
Volume
117
Issue
4
Pages
971-977
ISSN
0021-9738 (ISSN-L)
OpenAlex
W1967081779
Cited by
303
References
32
Citations by year
2026: 2 · 2025: 9 · 2024: 7 · 2023: 10 · 2022: 6 · 2021: 19 · 2020: 17 · 2019: 12 · 2018: 12 · 2017: 8 · 2016: 21 · 2015: 17 · 2014: 20 · 2013: 23 · 2012: 16
FWCI
25.96
Type
journal article
Language
en
Open access
Locations
  • Journal of Clinical Investigation (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • American Diabetes Association
  • National Institutes of Health (5f31hl071273-02)
  • National Heart, Lung, and Blood Institute (5F31HL071273, F31 HL071273)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK56211, R01DK056211, DK-50306, P01-DK49210, DK61215, P01DK049210, R01DK061215, P30DK50306, P30DK019525, P30DK050306)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Oncology › Pancreatic and Hepatic Oncology Research
  • Health Sciences › Medicine › Surgery › Pancreatitis Pathology and Treatment
Keywords
pancreatic acinar cells, beta cell regeneration, islet regeneration, transdifferentiation, lineage tracing, inducible Cre recombinase, partial pancreatectomy, pancreatic progenitor cells, cellular plasticity, diabetes mellitus
MeSH terms
Animals, Digestive System Physiological Phenomena, Mice, Transgenic, Organ Specificity, Pancreas, Regeneration, Tamoxifen, Integrases, Reverse Transcriptase Polymerase Chain Reaction, Insulin-Secreting Cells, Mice, Rats

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