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Proteomic changes in articular cartilage of human endemic osteoarthritis in China.
Medical College of Xi'an Jiaotong University, Key Laboratory of Environment and Genes Related to Diseases, Xi'an, Shaanxi, China.
Medical College of Xi'an Jiaotong University, Key Laboratory of Environment and Genes Related to Diseases, Xi'an, Shaanxi, China.
Medical College of Xi'an Jiaotong University, Key Laboratory of Environment and Genes Related to Diseases, Xi'an, Shaanxi, China.
Medical College of Xi'an Jiaotong University, Key Laboratory of Environment and Genes Related to Diseases, Xi'an, Shaanxi, China.
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2011 (English)In: Proteomics, ISSN 1615-9853, E-ISSN 1615-9861, Vol. 11, no 14, 2881-90 p., 21681992Article in journal (Refereed) Published
Abstract [en]

Kashin-Beck disease (KBD) is a chronic endemic osteochondropathy with unclear pathogenesis. It is a degenerative disease similar to osteoarthritis, but with different manifestations of cartilage damage. The aim of this investigation was to show the protein changes in KBD cartilage and to identify the candidate proteins in order to understand the pathogenesis of the disease. Proteins were extracted from the media of primary cell cultures of KBD and normal chondrocytes, and separated by two-dimensional fluorescence difference gel electrophoresis (2-D DIGE). MALDI-TOF/TOF analysis revealed statistically significant differences in 27 proteins from KBD chondrocyte cultures, which consisted of 17 up-regulated and ten down-regulated proteins. The results were further validated by Western blot analysis. The proteins identified are mainly involved in cellular redox homeostasis and stress response (MnSOD, Hsp27, Peroxiredoxin-1, and Cofilin-1), glycolysis (PGK-1, PGM-1, α-enolase), and cell motility and cytoskeletal organization (Actin, Calponin-2, and Keratin). These KBD-associated proteins indicate that cytoskeletal remodeling, glycometabolism, and oxidative stress are abnormal in KBD articular cartilage.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2011. Vol. 11, no 14, 2881-90 p., 21681992
National Category
Cell and Molecular Biology Orthopedics Biochemistry and Molecular Biology
Research subject
Biochemistry; Orthopaedics; cellforskning
Identifiers
URN: urn:nbn:se:umu:diva-104955DOI: 10.1002/pmic.201000636PubMedID: 21681992OAI: oai:DiVA.org:umu-104955DiVA: diva2:821932
Available from: 2015-06-16 Created: 2015-06-16 Last updated: 2017-12-04

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