RRC ID |
17700
|
著者 |
Mitsuyama K, Niwa M, Masuda J, Kuwaki K, Yamasaki H, Takedatsu H, Kobayashi T, Sata M.
|
タイトル |
Isolation and characterization of a novel short peptide associated with Crohn's disease.
|
ジャーナル |
Clin Exp Immunol
|
Abstract |
Phage display technology has been utilized to select target molecules against circulating antibodies. The aims of this study were to isolate a peptide that binds with serum from Crohn's disease (CD) patients and to examine its diagnostic and pathogenic significance. A phage display library was constructed using cDNA from Caco-2 cells. Affinity selection using this cDNA library and serum samples from patients with CD was then performed. Phage clones that specifically reacted with the CD sera were then selected using a phage enzyme-linked immunosorbent assay (ELISA). After the DNA sequences of the selected phages were determined and converted to amino acid sequences, the synthesized peptides were examined using an ELISA. The effect of the synthesized peptides on cytokine release from cultured blood mononuclear cells was investigated. An ELISA analysis for TCP-353 demonstrated that while 61·7% of the samples from CD patients were seroreactive, seroreactivity was less common among patients with ulcerative colitis (7·3%), acute colitis (0%) or colon cancer (11·4%) and among normal subjects (2·8%). The induction of interleukin (IL)-1β, IL-6 and tumour necrosis factor (TNF)-α release, but not IL-10 release, in response to TCP-353 peptide was enhanced in CD mononuclear cells only. We isolated a novel peptide that specifically binds to CD sera and stimulates the proinflammatory responses of CD mononuclear cells. TCP-353 may have diagnostic, pathogenic and therapeutic significance with regard to the treatment of CD.
|
巻・号 |
166(1)
|
ページ |
72-9
|
公開日 |
2011-10-1
|
DOI |
10.1111/j.1365-2249.2011.04444.x
|
PMID |
21797848
|
PMC |
PMC3193921
|
MeSH |
Adult
Antibodies / blood
Antibodies / immunology
Caco-2 Cells
Case-Control Studies
Colitis, Ulcerative / blood
Colitis, Ulcerative / diagnosis
Colitis, Ulcerative / immunology
Colitis, Ulcerative / pathology
Colonic Neoplasms / blood
Colonic Neoplasms / diagnosis
Colonic Neoplasms / immunology
Colonic Neoplasms / pathology
Crohn Disease / blood*
Crohn Disease / diagnosis
Crohn Disease / immunology
Crohn Disease / pathology
DNA, Complementary / analysis
Enzyme-Linked Immunosorbent Assay
Epitopes
Female
Humans
Interleukin-1beta / biosynthesis*
Interleukin-1beta / metabolism
Interleukin-6 / biosynthesis*
Interleukin-6 / metabolism
Leukocytes, Mononuclear / immunology*
Leukocytes, Mononuclear / pathology
Male
Peptide Library
Peptides* / chemistry
Peptides* / immunology
Peptides* / isolation & purification
Peptides* / pharmacology
ROC Curve
Sequence Analysis, DNA
Serum / chemistry*
Tumor Necrosis Factor-alpha / biosynthesis*
Tumor Necrosis Factor-alpha / metabolism
|
IF |
3.532
|
引用数 |
5
|
WOS 分野
|
IMMUNOLOGY
|
リソース情報 |
ヒト・動物細胞 |
CACO-2(RCB0988) |