UDP-glucose sensing P2Y₁₄R: A novel target for inflammation.

Area of Science:

• Immunology
• Molecular Biology
• Pharmacology

Background:

• Extracellular UDP-sugars, particularly UDP-G, act as damage-associated molecular patterns (DAMPs) during cell injury and apoptosis.
• UDP-G is a potent endogenous agonist with high affinity for the P2Y14 receptor (P2Y14R).

Purpose of the Study:

• To review the expression and function of P2Y14Rs in conjunction with UDP-G.
• To summarize the roles of UDP-G/P2Y14R signaling in modulating inflammatory responses.
• To discuss P2Y14R activation mechanisms in inflammation-related diseases and therapeutic potential.

Main Methods:

• Literature review focusing on UDP-G, P2Y14R, and inflammatory pathways.
• Analysis of signaling cascades including cAMP, NLRP3 inflammasome, MAPKs, and STAT1.
• Examination of P2Y14R agonists/antagonists in inflammatory conditions.

Main Results:

• UDP-G binding to P2Y14R regulates inflammation via specific signaling pathways.
• UDP-G/P2Y14R signaling modulates immune responses, including neutrophil recruitment and chemokine release.
• Emerging evidence links UDP-G/P2Y14R pathways to various inflammation-related diseases.

Conclusions:

• The P2Y14R plays a significant role in immune system and inflammatory processes.
• UDP-G/P2Y14R signaling represents a promising therapeutic target for anti-inflammatory strategies.
• Novel agonists and antagonists of P2Y14Rs show potential applications in managing inflammatory conditions.