Lipid-mediated activation of BLT2 promotes membrane repair to prevent cell death.

Lipid mediator 12-HHT activates BLT2 to promote membrane repair and prevent cell death in alveolar epithelial cells.

• Why it matters: Understanding how epithelial cells resist membrane damage from bacterial toxins is crucial for developing therapies against infections that compromise the epithelial barrier.
• What they did: The study examined the role of BLT2 and 12-HHT in membrane repair using cellular and molecular approaches, including inhibition of 12-HHT production and BLT2 antagonism.
• The result: BLT2 activation by 12-HHT enhances membrane repair via extracellular vesicle release and actin polymerization, suggesting new therapeutic strategies for bacterial infections.