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Updated: Jul 19, 2026
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Preparation of Pancreatic Acinar Cells for the Purpose of Calcium Imaging, Cell Injury Measurements, and Adenoviral Infection
Published on: July 5, 2013
Intracellular regulatory mechanisms in pancreatic acinar cellular function
1Departments of Physiology and Internal Medicine, University of Michigan, Ann Arbor, Michigan 48109, USA. jawillms@umich.edu
Current Opinion in Gastroenterology
|October 7, 2006
Summary
Pancreatic acinar cell function involves complex intracellular mechanisms. New research identifies novel proteins and pathways regulating cell secretion and growth.
Area of Science:
- Cell Biology
- Physiology
- Biochemistry
Background:
- Pancreatic acinar cells balance biosynthesis and secretion.
- Secretagogue receptors acutely increase intracellular calcium (Ca2+).
- Mechanisms linking Ca2+ to zymogen granule secretion are less understood.
Purpose of the Study:
- Elucidate intracellular mechanisms regulating pancreatic acinar cell function.
- Investigate novel proteins involved in zymogen granule-plasma membrane fusion.
- Explore the roles of MAP kinase, mTOR, and FAK pathways in acinar cells.
Main Methods:
- Focus on identifying proteins of the zymogen granule membrane.
- Investigating signaling pathways including MAP kinase cascades.
- Analyzing mTOR-p70S6 kinase and focal adhesion kinase pathways.
Main Results:
- Several novel proteins on the zymogen granule membrane have been identified.
- Increasing understanding of MAP kinase cascades, mTOR-p70S6 kinase, and focal adhesion kinase pathways.
- These pathways are linked to acinar cell mitogenesis, protein synthesis, and cytoskeleton regulation.
Conclusions:
- Intracellular regulation of pancreatic acinar cell function is complex.
- Novel proteins and signaling pathways are crucial for secretion and cell function.
- Further research is needed to fully understand these intricate mechanisms.
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