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Cited by 627

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A humanized antibody that binds to the interleukin 2 receptor.

Open access
Queen, C, Schneider, W P, Selick, H E, Payne, P W, Landolfi, N F, Duncan, J F, Avdalovic, N M, Levitt, M, Junghans, R P, Waldmann, T A·1989·Proceedings of the National Academy of Sciences

Abstract

The anti-Tac monoclonal antibody is known to bind to the p55 chain of the human interleukin 2 receptor and to inhibit proliferation of T cells by blocking interleukin 2 binding. However, use of anti-Tac as an immunosuppressant drug would be impaired by the human immune response against this murine antibody. We have therefore constructed a "humanized" antibody by combining the complementarity-determining regions (CDRs) of the anti-Tac antibody with human framework and constant regions. The human framework regions were chosen to maximize homology with the anti-Tac antibody sequence. In addition, a computer model of murine anti-Tac was used to identify several amino acids which, while outside the CDRs, are likely to interact with the CDRs or antigen. These mouse amino acids were also retained in the humanized antibody. The humanized anti-Tac antibody has an affinity for p55 of 3 x 10(9) M-1, about 1/3 that of murine anti-Tac.

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Crossref · 10.1073/pnas.86.24.10029

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Metadata

Authors
Queen, C., Schneider, W. P., Selick, H. E., Payne, P. W., Landolfi, N. F., Duncan, J. F., Avdalovic, N. M., Levitt, M., Junghans, R. P., & Waldmann, T. A.
Venue
Proceedings of the National Academy of Sciences
Published
1989-12
Volume
86
Issue
24
Pages
10029-10033
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2052150715
Cited by
627
References
1
FWCI
24.05
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: A humanized antibody that binds to the interleukin 2 receptor. https://app.cochat.ai/papers/10.1073/pnas.86.24.10029
The paper
Queen, C., Schneider, W. P., Selick, H. E., Payne, P. W., Landolfi, N. F., Duncan, J. F., Avdalovic, N. M., Levitt, M., Junghans, R. P., & Waldmann, T. A. (1989). A humanized antibody that binds to the interleukin 2 receptor. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.86.24.10029

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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