Bexin-1

Bexin-1 is a specific inhibitor that targets Munc13-4, a protein critical for regulated exocytosis, particularly in secretory cells such as immune cells (e.g., cytotoxic T lymphocytes, mast cells) and neuroendocrine cells. Munc13-4 plays a key role in vesicle priming and fusion with the plasma membrane, a process essential for the release of secretory granules containing hormones, neurotransmitters, or immune mediators.