Related Experiment Video
Updated: Jun 28, 2025

Performing Colonoscopic-Guided Pinch Biopsies in Mice and Evaluating Subsequent Tissue Changes
Published on: February 5, 2021
Formyl peptide receptor 1 mitigates colon inflammation and maintains mucosal homeostasis through the inhibition of
Tingting Li1, Xiaojun Zhou2, Qian Zhang1
1Department of Pharmacology, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, China.
Formyl peptide receptor 1 (FPR1) plays a key role in ulcerative colitis (UC) development. Targeting FPR1 with agonists may offer a new therapeutic strategy for treating colon inflammation in UC patients.
Area of Science:
- Immunology
- Gastroenterology
- Pharmacology
Background:
- Ulcerative colitis (UC) is characterized by excessive inflammatory responses.
- The role and therapeutic potential of formyl peptide receptor 1 (FPR1) in UC are not well understood.
Purpose of the Study:
- To investigate the role of FPR1 in a mouse model of colitis.
- To explore the therapeutic potential of FPR1 agonists in treating UC.
Main Methods:
- Assessed FPR1 expression in a mouse model of colitis.
- Examined the effects of FPR1 deficiency on UC severity and inflammatory mediator secretion.
- Administered an FPR agonist (Cmpd43) to mice with UC to evaluate its therapeutic effects.
Main Results:
- FPR1 expression was increased in the colitis model.
- FPR1 deficiency worsened UC and increased S100a8 secretion from macrophages.
- FPR1 agonist administration ameliorated colon injury by inhibiting specific signaling pathways and suppressing S100a8.
Conclusions:
- FPR1 plays a significant role in colitis development.
- FPR1 modulation presents a promising therapeutic target for UC pharmacotherapy.
More Related Videos
06:57Development of an Antigen-driven Colitis Model to Study Presentation of Antigens by Antigen Presenting Cells to T Cells
Published on: September 18, 2016
09:24Functional Assessment of Intestinal Permeability and Neutrophil Transepithelial Migration in Mice using a Standardized Intestinal Loop Model
Published on: February 11, 2021
Related Concept Videos
Inflammatory Response
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
Role of Ephrin-Eph Signalling in Intestinal Stem Cell Renewal
Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors
Drugs for Peptic Ulcer Disease: Prostaglandin Analogs as Mucosal Protective Agents
Non-steroidal anti-inflammatory drugs (NSAIDs) can induce peptic ulcers by inhibiting cyclooxygenase, decreasing...
Drugs for Treatment of Ulcerative Colitis in IBD