👉 Macroglobulinemia is a type of inherited metabolic disorder that affects the immune system, specifically affecting the production and function of white blood cells. It is characterized by an excessive production of a protein called macrophage-related protein 1 (MMP-1). This protein is produced in large quantities by macrophages, which are found throughout the body. Macroglobulinemia can lead to several complications, including infections such as pneumonia and bloodstream infections, as well as organ damage. The