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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/28656
Title: Proteome changes in human monocytes upon interaction with calcium oxalate monohydrate crystals
Authors: Nilubon Singhto
Kitisak Sintiprungrat
Supachok Sinchaikul
Shui Tein Chen
Visith Thongboonkerd
Mahidol University
Genomics Research Center, Academia Sinica
National Taiwan University
Keywords: Biochemistry, Genetics and Molecular Biology;Chemistry
Issue Date: 6-Aug-2010
Citation: Journal of Proteome Research. Vol.9, No.8 (2010), 3980-3988
Abstract: Monocytic infiltration in renal interstitium is commonly found surrounding the site of calcium oxalate (CaOx) crystal deposition in the kidney. Monocytes are supposed to eliminate the deposited crystals. However, effects of CaOx crystals on the infiltrating monocytes remain unknown. Therefore, this study investigated the altered cellular proteome of human monocytes in response to interaction with CaOx monohydrate (COM) crystals. After 24-h culture with or without 100 μg/mL COM crystals, U937 cells were harvested and subjected to 2-DE analysis with Deep Purple fluorescence staining (n = 5 gels/group; each was derived from independent culture). Spot matching, quantitative intensity analysis, and statistics revealed 22 differentially expressed proteins (9 up-regulated and 13 down-regulated proteins), which were successfully identified by Q-TOF MS and MS/MS analyses, including those involved in cell cycle, cellular structure, carbohydrate metabolism, lipid metabolism, mRNA processing, and protein synthesis, stabilization, and degradation. Randomly selected changes [up-regulated ALG-2 interacting protein 1 (Alix), elongation factor-2 (EF-2), and down-regulated β-actin] were confirmed by Western blot analysis. Our data may help to understand how monocytes interact with COM crystals. These processes are proposed to cause subsequent inflammatory response in kidney stone disease through oxidative stress pathway(s). © 2010 American Chemical Society.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77955456260&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/28656
ISSN: 15353907
15353893
Appears in Collections:Scopus 2006-2010

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