ORiginal Article : Proteomic Identification of Proteins Suggestive of Immune-Mediated Response or Neuronal Degeneration in Serum of Achalasia Patients
분야
의약학 > 내과학
저자
( Seon Kyo Im ) , ( Mari Yeo ) , ( Kwang Jae Lee )
발행기관
대한간학회
간행물정보
Gut and Liver 2013년, 제7권 제4호, 411~416페이지(총6페이지)
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27405919.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Background/Aims: The primary pathophysiologic abnormal¬ity in achalasia is known to be a loss of inhibitory myenteric ganglion cells, which may result from an immune-mediated response or neuronal degeneration. The aim of this study was to identify proteins suggestive of an immune-mediated response or neuronal degeneration in the serum of achalasia patients using a proteomic analysis. Methods: Blood sam¬ples were collected from five symptomatic achalasia patients and five sex- and age-matched healthy controls. Serum pro¬teomic analysis was conducted, and the protein spots were identified using matrix-assisted laser desorption ionization/time-of-flight and a proteomics analyzer. The serum level of C3 was measured by enzyme-linked immunosorbent assay in nine patients with achalasia and 18 sex- and age-matched healthy controls. Results: Of the 658 matched protein spots, 28 spots were up-regulated over 2-fold in the serum from achalasia patients compared with that from controls. The up-regulated proteins included complement C4B5, complement C3, cyclin-dependent kinase 5, transthyretin, and alpha 2 macroglobulin. The serum levels of C3 in achalasia patients were significantly higher than those of controls. Conclusions: The serum proteomic analysis of achalasia patients suggests an immune-mediated response or neuronal degeneration. Further validation studies in larger samples and the esopha¬geal tissue of achalasia patients are required.
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