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CorrigendumOncology Free access | 10.1172/JCI32205C1

Microbial translocation augments the function of adoptively transferred self/tumor-specific CD8+ T cells via TLR4 signaling

Chrystal M. Paulos, Claudia Wrzesinski, Andrew Kaiser, Christian S. Hinrichs, Marcello Chieppa, Lydie Cassard, Douglas C. Palmer, Andrea Boni, Pawel Muranski, Zhiya Yu, Luca Gattinoni, Paul A. Antony, Steven A. Rosenberg, and Nicholas P. Restifo

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Published October 1, 2007 - More info

Published in Volume 117, Issue 10 on October 1, 2007
J Clin Invest. 2007;117(10):3140–3140. https://doi.org/10.1172/JCI32205C1.
© 2007 The American Society for Clinical Investigation
Published October 1, 2007 - Version history
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Microbial translocation augments the function of adoptively transferred self/tumor-specific CD8+ T cells via TLR4 signaling
Chrystal M. Paulos, … , Steven A. Rosenberg, Nicholas P. Restifo
Chrystal M. Paulos, … , Steven A. Rosenberg, Nicholas P. Restifo
Research Article Oncology

Microbial translocation augments the function of adoptively transferred self/tumor-specific CD8+ T cells via TLR4 signaling

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Abstract

Lymphodepletion with total body irradiation (TBI) increases the efficacy of adoptively transferred tumor-specific CD8+ T cells by depleting inhibitory lymphocytes and increasing homeostatic cytokine levels. We found that TBI augmented the function of adoptively transferred CD8+ T cells in mice genetically deficient in all lymphocytes, indicating the existence of another TBI mechanism of action. Additional investigation revealed commensal gut microflora in the mesenteric lymph nodes and elevated LPS levels in the sera of irradiated mice. These findings correlated with increased dendritic cell activation and heightened levels of systemic inflammatory cytokines. Reduction of host microflora using antibiotics, neutralization of serum LPS using polymyxin B, or removal of LPS signaling components using mice genetically deficient in CD14 and TLR4 reduced the beneficial effects of TBI on tumor regression. Conversely, administration of microbial ligand–containing serum or ultrapure LPS from irradiated animals to nonirradiated antibody-lymphodepleted mice enhanced CD8+ T cell activation and improved tumor regression. Administration of ultrapure LPS to irradiated animals further enhanced the number and function of the adoptively transferred cells, leading to long-term cure of mice with large B16F10 tumors and enhanced autoimmune vitiligo. Thus, disruption of the homeostatic balance between the host and microbes can enhance cell-based tumor immunotherapy.

Authors

Chrystal M. Paulos, Claudia Wrzesinski, Andrew Kaiser,, Christian S. Hinrichs, Marcello Chieppa, Lydie Cassard, Douglas C. Palmer, Andrea Boni, Pawel Muranski, Zhiya Yu, Luca Gattinoni, Paul A. Antony, Steven A. Rosenberg, Nicholas P. Restifo

×

Original citation: J. Clin. Invest.117:2197-2204 (2007). doi:10.1172/JCI32205.

Citation for this corrigendum: J. Clin. Invest.117:3140 (2007). doi:10.1172/JCI32205C1.

During the preparation of the manuscript, two m symbols were omitted from the data on page 2203. The correct text appears below.

Administration of rhIL-2 was performed by i.p. injection twice daily at 3.6-36 mg/dose for a total of 5 doses. Ultrapure LPS (1 mg i.v.; Invivogen) was administered 1 day after ACT.

The authors regret the error.

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