Pancreatic Progenitors: There and Back Again

Juan Domínguez-Bendala, Mirza Muhammad Fahd Qadir, Ricardo Luis Pastori

Research output: Contribution to journalReview articlepeer-review

13 Scopus citations


Adult pancreatic regeneration is one of the most contentious topics in modern biology. The long-held view that the islets of Langerhans can be replenished throughout adult life through the reactivation of ductal progenitor cells has been replaced over the past decade by the now prevailing notion that regeneration does not involve progenitors and occurs only through the duplication of pre-existing mature cells. Here we dissect the limitations of lineage tracing (LT) to draw categorical conclusions about pancreatic regeneration, especially in view of emerging evidence that traditional lineages are less homogeneous and cell fates more dynamic than previously thought. This new evidence further suggests that the two competing hypotheses about regeneration are not mutually exclusive.

Original languageEnglish (US)
Pages (from-to)4-11
Number of pages8
JournalTrends in Endocrinology and Metabolism
Issue number1
StatePublished - Jan 2019


  • dedifferentiation
  • ductal cells
  • human pancreatic progenitor cells
  • islet regeneration
  • type 1 diabetes

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Endocrinology


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