SETD4-expressing cells contribute to pancreatic development and response to cerulein induced pancreatitis injury

In the adult pancreas, the presence of progenitor or stem cells and their potential involvement in homeostasis and regeneration remains unclear. Here, we identify that SET domain-containing protein 4 (SETD4), a histone lysine methyltransferase, is expressed in a small cell population in the adult mo...

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Bibliographic Details
Published in:Scientific reports 2021-06, Vol.11 (1), p.12614-12614, Article 12614
Main Authors: Tian, Jin-Ze, Xing, Sheng, Feng, Jing-Yi, Yang, Shu-Hua, Ding, Yan-Fu, Huang, Xue-Ting, Yang, Jin-Shu, Yang, Wei-Jun
Format: Article
Language:English
Subjects:
631/136
631/80
Acinar cells
Histone methyltransferase
Homeostasis
Humanities and Social Sciences
Lysine
Methyltransferase
multidisciplinary
Pancreas
Pancreatic diseases
Pancreatitis
Science
Science (multidisciplinary)
Stem cell transplantation
Stem cells
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Summary:In the adult pancreas, the presence of progenitor or stem cells and their potential involvement in homeostasis and regeneration remains unclear. Here, we identify that SET domain-containing protein 4 (SETD4), a histone lysine methyltransferase, is expressed in a small cell population in the adult mouse pancreas. Genetic lineage tracing shows that during pancreatic development, descendants of SETD4 + cells make up over 70% of pancreatic cells and then contribute to each pancreatic lineage during pancreatic homeostasis. SETD4 + cells generate newborn acinar cells in response to cerulein-induced pancreatitis in acinar compartments. Ablation of SETD4 + cells compromises regeneration of acinar cells, in contrast to controls. Our findings provide a new cellular narrative for pancreatic development, homeostasis and response to injury via a small SETD4 + cell population. Potential applications may act to preserve pancreatic function in case of pancreatic disease and/or damage.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-021-92075-5