Surfactant protein D (SFTPD) is an essential component of the lung's innate immune defense system. It belongs to the collectin family of proteins and is primarily produced by alveolar type II cells in the lungs. SFTPD plays a crucial role in the recognition and clearance of pathogens, allergens, and other foreign particles in the respiratory system.The post EZ - Retriever® IR - Antigen Retrieval System - Simplifying IHC appeared first on BioGenex.