Serum Amyloid A (SAA) antigen,Recombinant

Similar to CRP, it is used to evaluate the acute reaction process. Serum amyloid An is a sensitive parameter. It begins to increase after about 8 hours of inflammatory reaction, and the time to exceed the upper limit of the reference range is earlier than that of CRP. However, the difference between the median value of CRP in normal subjects and the upper limit of the reference range is about 10 times. It was only 5-fold in serum amyloid A. In mild infections, such as many viral infections, elevated serum amyloid An is more common than CRP. In infectious diseases, the absolute increase of serum amyloid An is higher than that of CRP, so the determination of serum amyloid A can provide better differentiation between "normal" and minor acute reaction.