Clinical and nutritional aspects of changes in acute-phase proteins during inflammation.
1. When assessing the significance of altered plasma protein concentrations the various physiological factors, including posture and hormones which affect the amount and distribution of fluid in the body and the synthesis and catabolism of plasma proteins, must be kept in mind. 2. Although several cytokines, including IL-1 and TNF, are implicated in the acute-phase response, recent evidence is that the synthesis of the major acute-phase proteins (e.g. CRP) is induced by IL-6. 3. The positive acute-phase plasma proteins are useful non-specific indicators of tissue damage. 4. When there is evidence of an acute-phase response (e.g. increased CRP), decreased concentrations of plasma proteins such as albumin, transferrin, retinol-binding protein and pre-albumin cannot be assumed to reflect malnutrition. 5. Plasma albumin concentration can be a good indicator of prognosis.
Fleck
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Department of Chemical Pathology, Charing Cross and Westminster Medical School, London.
D000209:Acute-Phase Proteins / Q000378:metabolism*; D000210:Acute-Phase Reaction / Q000097:blood*; D000818:Animals; D006801:Humans; D007249:Inflammation / Q000097:blood*; D009748:Nutrition Disorders / Q000097:blood*
D000209:Acute-Phase Proteins