Target intelligence / Profile preview

Intestinal Inflammation Mediators: Prostaglandin Synthesis

Molecular classification
Enzyme, Lipid mediator, G protein-coupled receptor ligand
01

Overview

Prostaglandins are lipid-derived mediators synthesized from arachidonic acid via the cyclooxygenase (COX) pathway. They play a crucial role in intestinal inflammation, pain, and mucosal defense. Excessive or dysregulated prostaglandin synthesis contributes to chronic intestinal inflammation, particularly in IBD, by inhibiting Tregs and promoting pro-inflammatory cytokine production. Pharmacological modulation of prostaglandin synthesis, primarily through NSAIDs, can alleviate symptoms but also carries risks of gastrointestinal injury.

Other names
Prostaglandin PathwayCOX PathwayArachidonic Acid MetabolismProstanoid Synthesis
02

Mechanism of action

NSAIDs inhibit cyclooxygenase (COX) enzymes (COX-1 and COX-2), reducing the synthesis of prostaglandins from arachidonic acid. This alleviates pain and inflammation but can compromise mucosal protection.

03

Biological functions

InflammationPain modulationMucosal defenseVasodilationImmune responseTissue regeneration
04

Disease associations

Inflammatory Bowel Disease (IBD)Gastrointestinal ulcerationColorectal cancerOther Inflammation
05

Safety considerations

Gastrointestinal ulcerationIncreased risk of bleedingCardiovascular events
06

Interacting drugs

NSAIDs (Nonsteroidal anti-inflammatory drugs)

1 more in the full profile.

07

Biomarkers

PGE2 levels in intestinal tissueExpression of COX-2 in intestinal cells

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