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Curr Opin Immunol. 2006 Apr;18(2):206-13. Epub 2006 Feb 7.

Principles and use of anti-CTLA4 antibody in human cancer immunotherapy.

Author information

1
Howard Hughes Medical Institute, Department of Immunology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10021, USA.

Abstract

Cytotoxic T lymphocyte antigen-4 has become recognized as one of the key negative regulators of adaptive immune responses, having a central role in the maintenance of peripheral tolerance and in shaping the repertoire of emergent T cell responses. Concurrent recognition of the potential importance of inhibitory immune regulators in limiting antitumor responses, either as a result of chronic antigenic stimulation or the self-nature of many tumor-selective target antigens, has led to the development of cytotoxic T lymphocyte antigen-4-blocking antibodies as therapeutic anticancer agents. Following extensive preclinical modeling, these agents have entered clinical trials, where they are showing encouraging activity in heavily pretreated patients with advanced-stage disease, particularly with melanoma or renal carcinoma. Finding ways to dissociate antitumor activity from adverse immune events should enable actualization of their therapeutic potential in the coming years.

PMID:
16464564
DOI:
10.1016/j.coi.2006.01.011
[Indexed for MEDLINE]

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