Beta Zone
Transferrin and beta lipoprotein (LDL) comprises the beta-1. Increased beta-1 protein due to the increased level of free transferrin is typical of iron deficiency anemia, pregnancy, and oestrogen therapy. Increased beta-1 protein due to LDL elevation occurs in hypercholesterolemia.
Beta-2 comprises C3 (Complement protein 3). It is raised in the acute phase response. Depression of C3 occurs in autoimmune disorders as the complement system is activated and the C3 becomes bound to immune complexes and removed from plasma. Fibrinogen, a beta 2 protein, is found in normal plasma but also absent from normal serum. Occasionally, blood drawn from heparinized patients does not fully clot, resulting in a visible fibrinogen band between the beta and gamma globulins.
Read more about this topic: Serum Protein Electrophoresis
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—Guy Debord (b. 1931)