An engineered interleukin-11 decoy cytokine as a cancer therapeutic

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Abstract/Contents

Abstract
Cytokines are key signaling molecules in the body and can be exploited by cancer to drive unregulated growth. Chapter 1 focuses on the role of engineered cytokines as therapeutics and their benefits and drawbacks compared to more traditional antibody therapeutics. Chapter 2 focuses on the interleukin (IL)-6 family cytokine, IL-11, which has been shown to be highly expressed in lung adenocarcinoma among other cancer types. As the main goal of this thesis, an engineered high affinity IL-11 antagonist was developed using yeast surface display and directed evolution. This IL-11 variant binds with high affinity to human and mouse IL-11 receptor while lacking binding to the signaling co-receptor gp130. Furthermore, the engineered IL-11 variant potently blocks downstream phospho-STAT3 signaling in cancer cells and significantly reduced tumor growth in a xenograft mouse model of lung cancer. Chapter 3 describes additional efforts to develop a cross-reactive IL-11 antibody that could be developed as a parallel therapeutic approach to the engineered IL-11 cytokine. This antibody work provides a starting point for further antibody campaigns against IL-11 and highlights some of the benefits that engineering cytokines have over antibodies.

Description

Type of resource text
Form electronic resource; remote; computer; online resource
Extent 1 online resource.
Place California
Place [Stanford, California]
Publisher [Stanford University]
Copyright date 2023; ©2023
Publication date 2023; 2023
Issuance monographic
Language English

Creators/Contributors

Author McIntosh, Brianna
Degree supervisor Cochran, Jennifer R
Thesis advisor Cochran, Jennifer R
Thesis advisor Jackson, Peter K. (Peter Kent)
Thesis advisor Kim, Peter, 1958-
Thesis advisor Sage, Julien
Degree committee member Jackson, Peter K. (Peter Kent)
Degree committee member Kim, Peter, 1958-
Degree committee member Sage, Julien
Associated with Stanford University, School of Medicine
Associated with Stanford University, Cancer Biology Program

Subjects

Genre Theses
Genre Text

Bibliographic information

Statement of responsibility Brianna Jin-Sun McIntosh.
Note Submitted to the Cancer Biology Program.
Thesis Thesis Ph.D. Stanford University 2023.
Location https://purl.stanford.edu/sh448gc2188

Access conditions

Copyright
© 2023 by Brianna McIntosh
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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