Journal
CELLULAR IMMUNOLOGY
Volume 290, Issue 1, Pages 145-151Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.cellimm.2014.06.002
Keywords
IL10; Immunotherapy; Cervical cancer
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IL-10 signalling blockade by intra-peritoneal injection of anti-IL-10 receptor antibodies at the time of immunization enhances vaccine induced CD8+ T cell responses and promotes bacteria, parasitic and viral control. We now show that blockade of IL-10 signalling at the time of immunization enhances vaccine induced antigen specific CD8+ T cell responses to both dominant and subdominant CTL epitopes. Injection of anti-IL-10 receptor antibodies subcutaneous at the time of immunization also enhances CD8+ T cell responses. Furthermore, IL-10 signalling blockade at the time of a Human papillomavirus 16 E7 peptide/LPS immunization, prevents HPV16 E7 transformed TC-1 tumour growth in mice. Immunization in the presence of anti-IL-10R antibodies and Monophosphoryl lipid A, generates antigen specific CD8+ T cell responses similar to immunization with LPS. Our results suggest that immunization and IL-10 signalling blockade may provide a novel way for the development of therapeutic vaccines against cancer. (C) 2014 Elsevier Inc. All rights reserved.
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