| 释义 | DictionarySee1 serum protein electrophoresis
 serum protein electrophoresisA method for determining protein homeostasis in the body. Serum proteins are divided into prealbumin/albumin, alpha1, alpha2, beta and gamma zones; regions of the SPEP are increased or decreased in specific conditions, or vary according to gene polymorphisms.serum protein electrophoresisA method for determining protein 'homeostasis'; serum proteins are divided into prealbumin/albumin, α1 and α2, β, and γ zones; regions of the SPEP are ↑ or ↓ in certain conditions, or variable with gene polymorphisms  Serum protein electrophoresis  Fraction Clinical conditions  Normal–6.5-8.0 g/dL↑ Dehydration, vomiting, diarrhea, myeloma, respiratory distress syndrome  ↓ Burns, cancer–GI tract, liver disease, malnutrition, malabsorption, renal failure, ulcerative colitis  ↓ Prealbumin ↓ Functional hepatic mass, inflammation, malnutrition  Albumin–4.0-6.0 g/dL
 ↑ Dehydration, exercise  ↓  Burns, cancer–GI tract, CHF, eclampsia, ↑ extracellular volume, inflammation, liver disease, malignancy, malnutrition, malabsorption, nephrotic syndrome, renal failure, SLE, ulcerative colitis  α1 –0.1-0.5 g/dL
 ↑ antitrypsin Inflammation, hepatocellular injury, malignancy, pregnancy, necrosis  ↓ antitrypsin Deficient allelle causing emphysema  ± antitrypsin Polymorphism of α1antitrypsin  α2 –0.4-1.0 g/dL
 ↑ macroglobulin Biliary cirrhosis, burns, malignancy, inflammation, acute MI, nephrotic syndrome, rheumatic fever, selective proteinuria in age extremes  ↑ haptoglobulin Inflammation  ↓ haptoglobulin Hemolysis, hepatosplenic sequestration, liver disease  Total β–0.3-1.2 g/dL
 β1   ↑ transferrin Iron deficiency, estrogens  ↓ transferrin Malnutrition, burns, inflammation  ↓ lipoprotein Hypercholesterolemia  ± Polymorphisms of transferrin  β2  ↑ C3 Chronic inflammation, bile obstruction  ↑ IgA Malignancy, infection of mucosal surfaces, rheumatoid arthritis, ethanol, cirrhosis  ↓ C3 Complement activation  ± C3 Polymorphism of C3  γ–0.4-1.0 g/dL
 ↑ Collagen vascular disease, inflammation, monoclonal antibody production, polyclonal stimulation, SLE  ↓ Hypogammaglobulinemia, nephrotic syndrome See SPEP
 See SPE
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