An increased concentration in the urine of alpha-1-acid glycoprotein (AGP), also known as orosomucoid (ORM). AGP is a 41-43-kDa glycoprotein with a pI of 2.8-3.8. AGP is an acute-phase protein that has many activities including, but not limited to, acting as an acute-phase reactant and disease marker, modulating immunity, binding and carrying drugs, maintaining the barrier function of capillary, and mediating the sphingolipid metabolism. [from
HPO]