Volume 202, Issue 1 p. 8-32

Interferons, interferon-like cytokines, and their receptors

Sidney Pestka

Corresponding Author

Sidney Pestka

Department of Molecular Genetics, Microbiology, and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, Piscataway, NJ, USA.

PBL Biomedical Laboratories, Piscataway, NJ, USA.

Cancer Institute of New Jersey, New Brunswick, NJ, USA.

* Sidney Petska
Department of Molecular Genetics, Microbiology, and Immunology
University of Medicine and Dentistry of New Jersey
Robert Wood Johnson Medical School
675 Hoes Lane
Piscataway, NJ 08854-5635, USA
Tel.: +1 732 235 4567
Fax: +1 732 235 5223
E-mail: [email protected]Search for more papers by this author
Christopher D. Krause

Christopher D. Krause

Department of Molecular Genetics, Microbiology, and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, Piscataway, NJ, USA.

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Mark R. Walter

Mark R. Walter

Department of Molecular Genetics, Microbiology, and Immunology, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, Piscataway, NJ, USA.

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First published: 11 November 2004
Citations: 487

Abstract

Summary: Recombinant interferon-α (IFN-α) was approved by regulatory agencies in many countries in 1986. As the first biotherapeutic approved, IFN-α paved the way for the development of many other cytokines and growth factors. Nevertheless, understanding the functions of the multitude of human IFNs and IFN-like cytokines has just touched the surface. This review summarizes the history of the purification of human IFNs and the key aspects of our current state of knowledge of human IFN genes, proteins, and receptors. All the known IFNs and IFN-like cytokines are described [IFN-α, IFN-β, IFN-ε, IFN-κ, IFN-ω, IFN-δ, IFN-τ, IFN-γ, limitin, interleukin-28A (IL-28A), IL-28B, and IL-29] as well as their receptors and signal transduction pathways. The biological activities and clinical applications of the proteins are discussed. An extensive section on the evolution of these molecules provides some new insights into the development of these proteins as major elements of innate immunity. The overall structure of the IFNs is put into perspective in relation to their receptors and functions.

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