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Chitosan gel vaccine protects against tumour growth in an intracaecal mouse model of cancer by modulating systemic immune responses

Overview of attention for article published in BMC Immunology, October 2016
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Title
Chitosan gel vaccine protects against tumour growth in an intracaecal mouse model of cancer by modulating systemic immune responses
Published in
BMC Immunology, October 2016
DOI 10.1186/s12865-016-0178-4
Pubmed ID
Authors

Andrew J. Highton, Adam Girardin, Georgia M. Bell, Sarah M. Hook, Roslyn A. Kemp

Abstract

Vaccination generating a robust memory population of CD8(+) T cells may provide protection against cancer. However, immune therapies for cancer are influenced by the local tumour immune microenvironment. An infiltrate of T cells into tumours of people with colorectal cancer has proven to be a significant indicator of good prognosis. We used an intracaecal mouse model of cancer to determine whether a protective immune response against a mucosal gut tumour could be generated using a systemic intervention. We investigated the generation of murine memory CD8(+) T cells using a sustained antigen release vaccine vehicle (chitosan gel; Gel + OVA) containing the model antigen ovalbumin, chitosan gel alone (Gel) or conventional dendritic cell vaccination (DC + OVA) using the same protein antigen. Following vaccination with Gel + OVA, CD8(+) T cell memory populations specific for ovalbumin protein were detected. Only vaccination with Gel + OVA gave decreased tumour burden compared to unvaccinated or DC + OVA-vaccinated mice in the intracaecal cancer challenge model. These results indicate that subcutaneous vaccination with Gel + OVA generates a population of functional CD8(+) memory T cells in lymphoid tissue able to protect against intracaecal tumour challenge. Vaccination with chitosan gel may be valuable in anti-cancer treatment at both peripheral and mucosal sites.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 30 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 3%
Unknown 29 97%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 9 30%
Student > Bachelor 5 17%
Student > Doctoral Student 4 13%
Researcher 3 10%
Student > Master 3 10%
Other 2 7%
Unknown 4 13%
Readers by discipline Count As %
Medicine and Dentistry 8 27%
Agricultural and Biological Sciences 6 20%
Psychology 2 7%
Biochemistry, Genetics and Molecular Biology 2 7%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Other 6 20%
Unknown 5 17%