the levels of immunoglobulins , complement components and apr proteins including alpha 1-antitrypsin ( alpha 1-at ) , alpha 1-acid glycoprotein ( alpha 1-ag ) , alpha 2-macroglobulin ( alpha 2-mg ) and haptoglobin ( hpt ) in the sera , as well as glycosylated or nonglycosylated protein fractions of these proteins in the sera , were examined by laser nephelometry in 49 patients with diabetes mellitus .
C0001347
apr proteins
C0029297
alpha 1-acid glycoprotein