Antibodies to C reactive protein

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Abstract

Background:

C reactive protein (CRP) is a known indicator of inflammation. Serum CRP is often raised in patients with inflammatory conditions.

Objective:

To determine whether individuals make antibodies to CRP and whether this might affect serum CRP concentrations.

Methods:

An enzyme linked immunosorbent assay was developed for the detection of antibodies to CRP. Specificity of the reaction was determined by inhibition of the reaction.

Results:

Sera from 413 patients were tested and 25 were found to be positive, particularly in patients with rheumatic diseases. Levels of anti-CRP did not correlate with serum CRP levels.

Conclusions:

The presence of low CRP levels may not reflect the presence of antibodies to CRP.

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