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Molecular Analysis of the Variant Alloantigen HLA-B27d Identifies a Unique Single Amino Acid Substitution

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Immunobiology of HLA
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Abstract

HLA-B27 is a human major histocompatibility complex class I product defined by its antigenic specificity with conventional alloantisera. Detailed studies using monoclonal antibodies (MAb), cytotoxic T lymphocytes (CTL), and isoelectric focusing (IEF) gel electrophoresis have demonstrated heterogeneity in the B27 antigen. We have previously identified a unique variant molecule of B27 designated B27d which is distinguished from other B27 variants by isoelectric point, serologic reactivity, and by a cloned CTL recognition (1). In this study, we report the cloning and sequencing of the gene encoding B27d.

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References

  1. Choo SY, Antonelli P, Nisperos B, Nepom GT, Hansen JA. Six variants of HLA-B27 identified by isoelectric focusing. Immunogenetics 1986; 23: 24–29.

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  2. Weiss EH, Kuon W, Dorner C, Lang M, Riethmuller G. Organization, sequence and expression of the HLA-B27 gene: A molecular approach to analyze HLA and disease associations. Immunobiol 1985; 170: 367–380.

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  3. Rojo S, Aparicio P, Choo SY, Hansen JA, Levez de Castro JA. Structural analysis of an HLA-B27 population variant, B27f: Multiple patterns of amino acid changes within a single polypeptide segment generate polymorphism in HLAB27. J Immunol 1987; 139: 831–836.

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© 1989 Springer Science+Business Media New York

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Choo, S.Y., John, T.S., Orr, H.T., Hansen, J.A. (1989). Molecular Analysis of the Variant Alloantigen HLA-B27d Identifies a Unique Single Amino Acid Substitution. In: Dupont, B. (eds) Immunobiology of HLA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-39946-0_22

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  • DOI: https://doi.org/10.1007/978-3-662-39946-0_22

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-38980-5

  • Online ISBN: 978-3-662-39946-0

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