CCK and gastrin-related peptides and their receptors play roles in multiple GI diseases including gallbladder dysfunction, pancreatic disorders, and potentially gastrointestinal cancers.
Peptides in GI diseaseCCK receptor dysfunction drives gallbladder and pancreatic disease, while gastrin receptors may contribute to GI cancer — peptide targets for common conditions
What the researchers found
CCK/CCK-A receptor dysfunction is implicated in gallbladder and pancreatic diseases, while gastrin/CCK-B receptor abnormalities may contribute to GI cancer development, positioning these peptide systems as therapeutic targets.
Why it matters
GI diseases are extremely common. Understanding the peptide signaling dysfunction underlying them could enable targeted treatments that address root causes rather than symptoms.
How the study worked
Review of clinical and experimental evidence for CCK, gastrin, and their receptor roles across GI diseases including biliary, pancreatic, and neoplastic conditions.
What this study cannot tell us
Review with varying evidence levels across diseases. The causal role of peptide receptor dysfunction versus being a consequence of disease is not always clear.
How to read the evidence
Moderate evidence from a review synthesizing clinical and experimental data across multiple GI disease categories.
When this study was published
Published in 2002. CCK and gastrin biology in GI disease continues to inform drug development and cancer screening.
The bigger picture
Gut peptide signaling disorders may underlie many common digestive diseases. Moving from symptom management to peptide-targeted therapy represents a paradigm shift in gastroenterology.
Questions still open
- Can CCK agonists treat gallbladder motility disorders?
- Should gastrin receptor status guide GI cancer screening?
- Could CCK receptor modulators prevent certain GI cancers?
Common questions
Do gut peptides cause digestive diseases?
Could targeting these peptides treat disease?
Read the original research
Involvement of cholecystokinin/gastrin-related peptides and their receptors in clinical gastrointestinal disorders.
Pharmacology & toxicology, 91(6), 333-50
Citation
Jensen, Robert T. (2002). Involvement of cholecystokinin/gastrin-related peptides and their receptors in clinical gastrointestinal disorders.. Pharmacology & toxicology, 91(6), 333-50.