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Related Concept Videos

Pancreatic Juice and Secretion01:26

Pancreatic Juice and Secretion

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Pancreatic juice is a clear fluid produced by the pancreas, containing water, salts, sodium bicarbonate, and enzymes vital for digestion in the small intestine. It helps break down large molecules, facilitating nutrient absorption.
When acidic chyme from the stomach enters the duodenum, it triggers the release of secretin, a hormone that prompts pancreatic juice secretion. After a fatty meal, cholecystokinin, another hormone, stimulates gallbladder contraction and enhances enzyme-rich...
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Acute Pancreatitis I: Introduction01:27

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Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
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Chronic Pancreatitis I: Introduction01:24

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The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
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Chronic Pancreatitis II: Collaborative Care01:29

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The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
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Differentiation of Common Myeloid Progenitor Cells01:15

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Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
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Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

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Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
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Related Experiment Video

Updated: Feb 1, 2026

Efficient Differentiation of Pluripotent Stem Cells to NKX6-1+ Pancreatic Progenitors
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Pancreatic Progenitors: There and Back Again.

Juan Domínguez-Bendala1, Mirza Muhammad Fahd Qadir1, Ricardo Luis Pastori2

  • 1Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA; Department of Cell Biology and Anatomy, University of Miami Miller School of Medicine, Miami, FL 33136, USA.

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|December 4, 2018
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Summary

Adult pancreatic regeneration is debated. New evidence suggests that pancreatic regeneration may involve both ductal progenitor cells and mature cell duplication, challenging previous assumptions.

Keywords:
dedifferentiationductal cellshuman pancreatic progenitor cellsislet regenerationtype 1 diabetes

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Area of Science:

  • Cell biology
  • Developmental biology
  • Endocrinology

Background:

  • The replenishment of pancreatic islets in adult life is a contentious topic.
  • Historically, ductal progenitor cells were believed to regenerate islets, but recent theories favor mature cell duplication.
  • Existing lineage tracing (LT) methods have limitations in resolving these competing hypotheses.

Purpose of the Study:

  • To critically evaluate the limitations of lineage tracing (LT) in the context of adult pancreatic regeneration.
  • To reconcile the two main hypotheses regarding pancreatic islet regeneration.

Main Methods:

  • Dissection of lineage tracing (LT) methodologies.
  • Analysis of emerging evidence on cell homogeneity and fate dynamics.

Main Results:

  • Traditional lineage tracing (LT) has inherent limitations for drawing definitive conclusions on pancreatic regeneration.
  • Emerging data indicate that cell lineages are not as homogeneous as previously assumed, with more dynamic cell fates.
  • The prevailing hypotheses on pancreatic regeneration may not be mutually exclusive.

Conclusions:

  • Re-evaluation of lineage tracing (LT) is crucial for understanding adult pancreatic regeneration.
  • Pancreatic regeneration might involve a combination of progenitor cell activation and mature cell duplication.
  • Future research should consider the dynamic nature of cell fates in the pancreas.