Related Experiment Video
Updated: May 20, 2026
09:15
Electrochemiluminescence Assays for Human Islet Autoantibodies
Published on: March 23, 2018
Autoantibodies in autoimmune pancreatitis
Daniel S Smyk1, Eirini I Rigopoulou, Andreas L Koutsoumpas
1Institute of Liver Studies, King's College London School of Medicine, King's College Hospital, Denmark Hill, London SE5 9RS, UK.
International Journal of Rheumatology
|July 31, 2012
Summary
Autoimmune pancreatitis (AIP) is a distinct condition characterized by specific pancreatic changes and autoantibodies. Research identifies pancreas-specific autoantigens, aiding in AIP diagnosis and understanding its pathogenesis.
Area of Science:
- Gastroenterology
- Immunology
- Pathology
Background:
- Autoimmune pancreatitis (AIP) presents with pancreatic duct narrowing, organ enlargement, and positive antinuclear antibody (ANA) tests.
- Distinguishing AIP from pancreatic cancer requires comprehensive radiological, serological, and histological evaluation.
Purpose of the Study:
- To review findings on pancreas-specific autoantigens in autoimmune pancreatitis.
- To discuss the relevance of these autoantigens in AIP diagnosis, management, and pathogenesis.
Main Methods:
- Review of serological investigations for autoantibodies in AIP.
- Analysis of studies identifying pancreas-specific autoantigens.
Main Results:
- ANA targets in AIP differ from those in rheumatological diseases; dsDNA, SS-A, and SS-B are rarely detected.
- Disease-specific autoantibodies (antimitochondrial, antineutrophil cytoplasmic, diabetes-specific) are generally absent in AIP.
- Significant reactivity observed against lactoferrin, carbonic anhydrase, pancreas secretory trypsin inhibitor, amylase-alpha, heat-shock protein, and plasminogen-binding protein.
Conclusions:
- Identification of pancreas-specific autoantigens is crucial for understanding AIP.
- These autoantigens hold potential for improved diagnostic markers and therapeutic targets for autoimmune pancreatitis.
Related Concept Videos
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...
01:25Acute 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...
01:27Acute 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:
01:17Gastritis-II: Pathophysiology
Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
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...