Ibio Limited

Matt Lundberg

Mohan Srinivasan

Bing Li

Matthew Paul Greving

Phung Tu Gip

Provided herein are antibodies that specifically bind to CD25. Also provided herein are methods of making the antibodies described, and methods of use thereof. For example, the CD25 antibodies may be used therapeutically to treat cancer or autoimmune diseases, and in certain aspects: disrupt the trimerization of the beta, gamma, and alpha (CD25) chains of the IL-2 receptor, bind to a different epitope than to which Daclizumab or Baciliximab bind, exhibit a higher affinity of binding to CD25 at a pH lower than 7.4, when compared to the affinity of binding to CD25 at a pH of 7.4, and/or exhibit a higher affinity of binding to CD25 at a pH of about 6.5.

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San Mateo, CA, United States of America

Matt Lundberg