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Proteomic Analysis of Serum Amyloid A as a Potential Marker in Intestinal Behçet's Disease

Authors
 Hyun Jung Lee  ;  Jae Hyun Kim  ;  Seung Won Kim  ;  Hyun Ah Joo  ;  Hye Won Lee  ;  You Sun Kim  ;  Soo Jung Park  ;  Sung Pil Hong  ;  Tae Il Kim  ;  Won Ho Kim  ;  Young-Ho Kim  ;  Jae Hee Cheon 
Citation
 DIGESTIVE DISEASES AND SCIENCES, Vol.62(8) : 1953-1962, 2017 
Journal Title
 DIGESTIVE DISEASES AND SCIENCES 
ISSN
 0163-2116 
Issue Date
2017
MeSH
Adult ; Apolipoproteins A/blood ; Behcet Syndrome/blood* ; Biomarkers/blood ; Case-Control Studies ; Enzyme-Linked Immunosorbent Assay ; Female ; Fibrin/analysis ; HT29 Cells ; Humans ; Interleukin-1beta/blood ; Intestinal Diseases/blood* ; Male ; Mass Spectrometry ; Middle Aged ; Proteomics/methods* ; Serum Amyloid A Protein/analysis*
Keywords
Biomarkers ; Intestinal Behçet’s disease ; Proteomics ; Serum amyloid A
Abstract
BACKGROUND/AIMS: Data regarding biomarkers to understand disease pathogenesis and to assess disease activity of intestinal Behçet's disease (BD) are limited. Therefore, we aimed to investigate the differentially expressed proteins in sera from patients with intestinal BD and to search for biomarkers using mass spectrometry-based proteomic analysis. METHODS: Serum samples were pooled for the screening study, and two-dimensional electrophoresis (2-DE) was performed to characterize the proteins present in intestinal BD patients. Candidate protein spots were identified using matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF/TOF MS) and bioinformatic analysis. To validate the proteomic results, serum samples from an independent cohort were assessed by enzyme-linked immunosorbent assay. RESULTS: Pooled serum samples were used for 2-DE, and approximately 400 protein spots were detected in the sera of intestinal BD patients. Of the 22 differentially expressed proteins, 3 were successfully identified using MALDI-TOF/TOF MS. The three up-regulated proteins identified in the intestinal BD group included fibrin, apolipoprotein A-IV, and serum amyloid A (SAA). Serum SAA in intestinal BD patients (2.76 ± 2.50 ng/ml) was significantly higher than that in controls (1.68 ± 0.90 ng/ml, p = 0.007), which is consistent with the proteomic results. In addition, the level of IL-1β in patients with intestinal BD (8.96 ± 1.23 pg/ml) was higher than that in controls (5.40 ± 0.15 pg/ml, p = 0.009). SAA released by HT-29 cells was markedly increased by tumor necrosis factor-α (TNF-α) and lipopolysaccharides stimulation. CONCLUSIONS: Our proteomic analysis revealed that SAA was up-regulated in intestinal BD patients.
Full Text
https://link.springer.com/article/10.1007%2Fs10620-017-4606-y
DOI
10.1007/s10620-017-4606-y
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Seung Won(김승원) ORCID logo https://orcid.org/0000-0002-1692-1192
Kim, Won Ho(김원호) ORCID logo https://orcid.org/0000-0002-5682-9972
Kim, Tae Il(김태일) ORCID logo https://orcid.org/0000-0003-4807-890X
Park, Soo Jung(박수정)
Lee, Hyun Jung(이현정)
Lee, Hye Won(이혜원) ORCID logo https://orcid.org/0000-0002-3552-3560
Cheon, Jae Hee(천재희) ORCID logo https://orcid.org/0000-0002-2282-8904
Hong, Sung Pil(홍성필)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/160989
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