Related Experiment Video
Updated: Jul 8, 2026
14:39
A Simple and Rapid Method for Simultaneous Isolation of Primary Islets and Primary Pancreatic Acinar Cells from Mice
Published on: January 9, 2026
Mitochondrial injury in pancreatitis
R Mukherjee1, D N Criddle, A Gukovskaya
1Division of Surgery and Oncology, University of Liverpool, Royal Liverpool University Hospital, Daulby Street, Liverpool, United Kingdom.
Cell Calcium
|January 22, 2008
Summary
Pancreatitis involves abnormal calcium signaling and mitochondrial dysfunction, leading to cell death. Understanding these mechanisms offers new therapeutic targets for this common disease.
Area of Science:
- Biochemistry
- Cell Biology
- Pathology
Background:
- Pancreatitis is a prevalent and often fatal condition lacking targeted treatments.
- Pathological calcium signaling and mitochondrial inhibition are key factors in initiating pancreatic acinar cell injury.
- Disordered cell signaling and mitochondrial dysfunction result in cell death via apoptosis or necrosis.
Purpose of the Study:
- To explore the role of pancreatic acinar calcium signaling and mitochondrial inhibition in pancreatitis.
- To identify potential therapeutic targets based on current understanding of disease mechanisms.
Main Methods:
- Review of existing literature on pancreatitis pathophysiology.
- Analysis of cellular signaling pathways, particularly calcium.
- Examination of mitochondrial function and its role in cell death.
Main Results:
- Pathological calcium signaling contributes significantly to pancreatitis-induced cell injury.
- Mitochondrial dysfunction, including calcium overload, promotes necrotic cell death.
- The mitochondrial permeability transition pore may mediate necrotic injury.
Conclusions:
- Disordered pancreatic acinar calcium signaling is a critical factor in pancreatitis.
- Mitochondrial inhibition plays a significant role in the pathogenesis of pancreatitis.
- Targeting calcium signaling and mitochondrial function presents promising therapeutic avenues for pancreatitis.
Related Concept Videos
01:21Acute Pancreatitis II: Pathophysiology
The pathophysiology of acute pancreatitis centers on injury to pancreatic acinar cells, which initiates a cascade of harmful intracellular events.This injury leads to premature activation of trypsinogen to trypsin in the pancreas. Trypsin then activates other digestive enzymes, such as chymotrypsin, elastase, and phospholipase A2, which begin breaking down pancreatic tissue. The resulting autodigestion causes local inflammation, tissue swelling, hemorrhage, and fat necrosis.Injured acinar cells...
01:27Acute Pancreatitis I: Introduction
Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
01:25Acute Pancreatitis I: Introduction
Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
01:25Chronic Pancreatitis I: Introduction
Chronic pancreatitis is a long-standing, relapsing inflammation of the pancreas, characterized by irreversible damage to the gland. It results in progressive destruction of the pancreatic parenchyma, fibrosis, and eventual loss of both exocrine and endocrine function. The disease may evolve gradually after multiple episodes of acute pancreatitis or develop independently.EtiologyChronic pancreatitis can arise from a variety of causes:Alcohol use is the leading cause, accounting for 70–80% of...
01:24Chronic Pancreatitis I: Introduction
The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
01:21Chronic Pancreatitis II: Pathophysiology
Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...