T-cell selective interleukin-4 agonists

Abstract

This invention realizes a less toxic IL-4 mutant that allows greater therapeutic use of interleukin 4. Further, the invention is directed to IL-4 muteins having single and double mutations represented by the designators R121E and T13D/R121E, numbered in accordance with wild type IL-4 (His=1). The invention also includes polynucleotides coding for the muteins of the invention, vectors containing the polynucleotides, transformed host cells, pharmaceutical compositions comprising the muteins, and therapeutic methods of treatment.

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