The bactericidal ability of HBP as well as the heparin-binding ability are related to its strong positive charge. HBP, as a chemotactic substance, can activate monocytes and macrophages, induce vascular leakage and tissue edema. Inactivating HBP blocks endothelial hyperosmocyte hyperpermeability caused by neutrophils. At present, HBP, as an acute phase protein, is an effective biomarker to assess ...