CD14

CD14 is a protein found on the surface of certain immune cells, especially white blood cells called monocytes and macrophages. It acts as a receptor that helps the immune system recognize bacteria and other pathogens by binding to components of their outer surfaces, such as pieces of bacteria’s cell walls. This recognition triggers the immune response, leading to inflammation and the activation of other immune defenses to fight infection. CD14 plays a crucial role in initiating immune reactions, helping the body detect and respond to microbial threats effectively.