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YKL-40 in health and disease: a challenge for joint inflammation

Maria Kazakova, Victoria Sarafian

Abstract

There is a need of biomarkers to detect early joint inflammation and destruction of cartilage in different types of arthritis. YKL-40, a 39 kD heparin- and chitin-binding secreted glycoprotein (also known as cartilage gp39), was recently discovered. Its exact biological function is still unclear. Specific receptors for YKL-40 have not been identified yet. The clinical significance of YKL-40 as a biomarker is discussed in different aspects. High level of YKL-40 was found in various human diseases associated with inflammatory and neoplastic processes. The review highlights the information available about YKL-40 and its significance in inflammatory joint diseases. We suggest that this glycoprotein might have a promising value as a novel biomarker and could provide additional evidence for inflammation activity in different types of arthritis.

Biomedical Reviews 2013, 24: 49-56.


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DOI: http://dx.doi.org/10.14748/bmr.v24.21

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About The Authors

Maria Kazakova
Medical University of Plovdiv
Bulgaria

Victoria Sarafian
Medical University of Plovdiv
Bulgaria

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