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Vasostatin-1 antige...
Vasostatin-1 antigenic epitope mapping for induction of cellular and humoral immune responses to chromogranin A autoantigen in NOD mice
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Nikoopour, Enayat (författare)
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Cheung, Rebecca (författare)
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Bellemore, Stacey (författare)
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Krougly, Olga (författare)
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Lee-Chan, Edwin (författare)
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- Stridsberg, Mats (författare)
- Uppsala universitet,Biokemisk endokrinologi
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Singh, Bhagirath (författare)
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(creator_code:org_t)
- 2014-01-20
- 2014
- Engelska.
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Ingår i: European Journal of Immunology. - : Wiley. - 0014-2980 .- 1521-4141. ; 44:4, s. 1170-1180
- Relaterad länk:
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https://onlinelibrar...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The chromogranin A (ChgA) 29-42 sequence is the antigenic epitope for the BDC2.5 CD4(+) T-cell receptor in NOD mice (H-2(g7)). We have now characterized the binding register of the ChgA 29-42 peptide for the I-A(g7) molecule. Truncation of the peptide demonstrated that the KCVLEVISD sequence 34-42 is the binding register and extension of this sequence by flanking residues increased its binding affinity and antigenic capacity. We employed anti-ChgA peptide antibodies generated against different fragments of ChgA for immunostaining of pancreatic islet sections from NOD mice. A strong immuno-staining pattern was observed for the ChgA 17-38 peptide antibodies that overlap with the ChgA 29-42 sequence. Moreover, sera from diabetic NOD mice showed elevated titers of autoantibodies to the ChgA 29-42 peptide. These findings indicate that peptides from the N-terminal region of ChgA are able to induce cellular and humoral immune responses in NOD mice.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
Nyckelord
- BDC2
- 5 T cells
- Chromogranin A
- I-A(g7) peptide binding motif
- Type 1 diabetes
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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