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  4. Analysis of protein profiles in human epithelial ovarian cancer tissues by proteomic technology
 
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Analysis of protein profiles in human epithelial ovarian cancer tissues by proteomic technology

Journal
European Journal of Gynaecological Oncology
Journal Volume
31
Journal Issue
1
Pages
55-62
Date Issued
2010
Author(s)
SONG-NAN CHOW  
RUEY-JIEN CHEN  
CHI-HAU CHEN  
TING-CHEN CHANG  
Chen L.C
Lee W.J
Shen J
LU-PING CHOW  
URI
https://scholars.lib.ntu.edu.tw/handle/123456789/459812
Abstract
Background: Screening in ovarian cancer is progressively finding out candidate genes and proteins which may work as screening biomarkers and play a role in tumor progression. We examined the protein expression patterns of ovarian cancer tissues using two-dimensional gel electrophoresis (2-DE) and matrix-assisted laser desorption/ionization-time of fight mass spectrometry (MALDI-TOF MS). Methods: Tissues from 36 ovarian cancers and 20 normal ovaries were examined by 2-DE. The images of silver stained gels were analyzed by ImageMaster 2D Elite. The peptide mixtures, after in-gel digestion, were determined by MALDI-TOF MS for fingerprinting. The de-isotope tryptic peptide profiles were matched by using the Mascot search engine based on the entire NCBI and Swiss-Prot protein databases. Western/dot blots were then applied to verify the findings. Results: In ovarian cancer, 12 proteins that showed differential expressions were identified unequivocally. Among these proteins, five proteins (galectin-1, cathepsin B, ubiquitin carboxy-terminal hydrolase L1, HLA class II antigen DRB1-11 and heat shock protein 27) were up-regulated and seven proteins (cellular retinol-binding protein, transthyretin, SH3 binding glutamic-rich-like protein, tubulin-specific chaperone A, DJ-1, gamma-actin and tropomyosin 4) were down-regulated. Conclusion: The present study is the first to report the up-regulation of ubiquitin carboxy-terminal hydrolase L1 and the down-regulation of SH3 binding glutamic-rich-like protein, tubulin-specific chaperone A, and tropomyosin 4 in human ovarian cancer tissues. Further cloning and functional analysis of these salient proteins will provide more information on their pathophysiologic roles in ovarian cancer.
SDGs

[SDGs]SDG3

Other Subjects
cathepsin B; cellular retinol binding protein; DJ 1 protein; galectin 1; gamma actin; heat shock protein 27; HLA antigen class 2; prealbumin; protein; SH3 binding glutamic rich like protein; tropomyosin 4; tubulin specific chaperone A; ubiquitin thiolesterase; unclassified drug; amino acid sequence; article; cancer tissue; controlled study; down regulation; female; finger dermatoglyphics; human; human tissue; matrix assisted laser desorption ionization time of flight mass spectrometry; ovary cancer; polyacrylamide gel electrophoresis; protein database; protein expression; proteomics; search engine; two dimensional gel electrophoresis; upregulation; Western blotting; Adult; Aged; Aged, 80 and over; Blotting, Western; Electrophoresis, Gel, Two-Dimensional; Electrophoresis, Polyacrylamide Gel; Female; Humans; Middle Aged; Neoplasm Proteins; Ovarian Neoplasms; Proteomics; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
Type
journal article

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