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Chinese Journal of Ophthalmologic Medicine(Electronic Edition) ›› 2022, Vol. 12 ›› Issue (02): 120-124. doi: 10.3877/cma.j.issn.2095-2007.2022.02.011

• Review • Previous Articles    

Research progress on the mechanism of serum amyloid A in ophthalmic diseases

Xiaona Liu1, Wei Wang1, Feng Wu1, Tao Song1, Meiqin Zheng2,(), Laibao Zheng3   

  1. 1. Clinical Laboratory, Mesee Eye Hospital, Jinan 250200, China
    2. Laboratory Pathology Centre, Zhejiang Eye Hospital, Wenzhou 325000, China
    3. Department of Health Inspection and Testing, College of Laboratory Medicine, Wenzhou Medical University, Key Laboratory of Laboratory Medicine of Ministry of Education, Wenzhou Key Laboratory of Microbiological Inspection of Environmental Health, Wenzhou 325002, China
  • Received:2021-09-13 Online:2022-04-28 Published:2022-07-04
  • Contact: Meiqin Zheng

Abstract:

Serum amyloid A (SAA) is a nonspecific acute reactive protein. There is usually a very low level in the blood of healthy people. During the period of acute inflammation for patients, the plasma concentration of SAA could increase by more than 1000 times. The increase of SAA levels is resulted from the physical damage for cells, including infection, trauma, inflammation and cancer. When the body occurs a small area of inflammation stimulation, the SAA level will be significantly higher than the normal range. Therefore, SAA has become the most sensitive marker reflecting inflammatory infection at present. SAA combined with detection of blood routine examination and C-reactive protein had been widely used in systemic inflammatory diseases in the recent years, which could provide a strong diagnostic basis for the differential diagnosis of bacterial and viral infection in the early stage. However, the advances on the clinical application of SAA in local inflammatory diseases is rarely reported. Thus, the clinical application of SAA in ophthalmology were reviewed.

Key words: Serum amyloid A, Ophthalmic diseases, Infectious keratitis

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