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Disease-specific proteins from rheumatoid arthritis patients

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Authors
Kim, Choong Won; Cho, Eun Hye; Lee, Yun Jong; Kim, Yoon Hee; Hah, Young Sool; Kim, Deok Ryong
Issue Date
2006-06-17
Publisher
Korean Academy of Medical Science
Citation
J Korean Med Sci. 2006 Jun;21(3):478-84.
Keywords
AdultAgedArthritis, Rheumatoid/*metabolismAutoantigens/metabolismCollagen Type II/biosynthesisFemale*Gene Expression RegulationHumans*InflammationMaleMiddle AgedProteomics/methodsSepharose/chemistrySynovial Fluid/metabolism
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease that mainly destroys cartilages or bones at the joints. This inflammatory disorder is initiated by self-attack using own immune system, but the detail of pathological mechanism is unclear. Features of autoantigens leading to autoimmune disease are also under veil although several candidates including type II collagen have been suggested to play a role in pathogenesis. In this report, we tried to identify proteins responding to antibodies purified from RA patients and screen proteins up-regulated or down-regulated in RA using proteomic approach. Fibronectin, semaphorin 7A precursor, growth factor binding protein 7 (GRB7), and immunoglobulin mu chain were specifically associated with antibodies isolated from RA synovial fluids. In addition, some metabolic proteins such as adipocyte fatty acid binding protein, galectin-1 and apolipoprotein A1 precursor were overexpressed in RA synovium. Also, expression of peroxiredoxin 2 was up-regulated in RA. On the contrary, expression of vimentin was severely suppressed in RA synoviocytes. Such findings might give some insights into understanding of pathological mechanism in RA.
ISSN
1011-8934 (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=16778393

https://hdl.handle.net/10371/29359
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College of Medicine/School of Medicine (의과대학/대학원)Internal Medicine (내과학전공)Journal Papers (저널논문_내과학전공)
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