Cellular immune response against tropomyosin isoform 5 in ulcerative colitis

(c)2001 Elsevier Science.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 101(2001), 3 vom: 07. Dez., Seite 289-95
1. Verfasser: Taniguchi, M (VerfasserIn)
Weitere Verfasser: Geng, X, Glazier, K D, Dasgupta, A, Lin, J J, Das, K M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2001
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, U.S. Gov't, P.H.S. Autoantibodies Calmodulin-Binding Proteins TPM3 protein, human Tropomyosin Interferon-gamma 82115-62-6
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245 1 0 |a Cellular immune response against tropomyosin isoform 5 in ulcerative colitis 
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500 |a Date Revised 21.11.2008 
500 |a published: Print 
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520 |a We have reported an autoantibody response in ulcerative colitis (UC) against human tropomyosin isoform 5 (hTM5), the predominant colonic epithelial cell hTM isoform. In this report, we determined the number of IFN-gamma-secreting cells (spot-forming cells, SFC) against hTM5 by an enzyme-linked immunospot (ELISPOT) assay. Another cytoskeletal protein, caldesmon, CaD40, was used as a control antigen. Peripheral blood mononuclear cells were separated by a Ficoll density gradient from 28 patients with UC, 13 patients with Crohn's disease (CD), and 9 healthy subjects (HS). The mean (+/-SEM) SFC values against hTM5 in UC, CD, and HS were 48.8 +/- 8.1, 18.6 +/- 4.6, and 20.8 +/- 8.6, respectively. The value in UC was significantly higher than those in CD (P < 0.005) and HS (P < 0.025). SFC values in CD did not differ from those in HS. None of the 50 samples (except 1 UC) reacted to the CaD40 antigen. This study demonstrates, for the first time, a defined colon epithelial cell antigen, hTM5, that is capable of inducing a significant T cell response in UC but not in CD 
650 4 |a Journal Article 
650 4 |a Research Support, U.S. Gov't, P.H.S. 
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650 7 |a TPM3 protein, human  |2 NLM 
650 7 |a Tropomyosin  |2 NLM 
650 7 |a Interferon-gamma  |2 NLM 
650 7 |a 82115-62-6  |2 NLM 
700 1 |a Geng, X  |e verfasserin  |4 aut 
700 1 |a Glazier, K D  |e verfasserin  |4 aut 
700 1 |a Dasgupta, A  |e verfasserin  |4 aut 
700 1 |a Lin, J J  |e verfasserin  |4 aut 
700 1 |a Das, K M  |e verfasserin  |4 aut 
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