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Cancer Immune Therapy Edited by G. Stuhler and P. Walden ...

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7.5.1 Sources of Polyamines 133<br />

7.5.2 Effects of Polyamines 133<br />

7.5.2.1 Effects of polyamines on monocytes/macrophages 133<br />

7.5.2.2 Effects of polyamines on T lymphocytes 134<br />

7.5.2.3 Effects of polyamines on NK cells 134<br />

7.5.3 Inhibition of Polyamine Biosynthesis: Implications for <strong>Therapy</strong> 134<br />

7.6 Tumor-Shed Immunosuppressive Molecules 134<br />

7.7 Conclusion 135<br />

References 136<br />

8 Interleukin-10 in <strong>Cancer</strong> Immunity 155<br />

Robert Sabat <strong>and</strong> Khusru Asadullah<br />

8.1 Introduction 155<br />

8.2 IL-10 Protein <strong>and</strong> IL-10 Receptor (IL-10R) 155<br />

8.2.1 IL-10 Structure <strong>and</strong> Expression 155<br />

8.2.2 IL-10R 156<br />

8.2.3 IL-10 Homologs 157<br />

8.3 Biological Activities of IL-10 157<br />

8.3.1 Effects on Myeloid Antigen-Presenting Cells (APC) 158<br />

8.3.2 Effects on T Cells 159<br />

8.3.3 Effects on Natural Killer (NK) Cells 160<br />

8.3.4 Effects on other <strong>Immune</strong> Cells 160<br />

8.3.5 IL-10's Role in the <strong>Immune</strong> System 160<br />

8.4 IL-10 Expression in <strong>Cancer</strong> Patients 161<br />

8.4.1 Cellular Sources of IL-10 in <strong>Cancer</strong> Patients 161<br />

8.4.2 Selectivity of IL-10 Production 162<br />

8.4.3 IL-10 Presence: Local or Systemic? 163<br />

8.4.4 Prognostic Value of Enhanced IL-10 Expression 163<br />

8.5 Effects of IL-10 in <strong>Cancer</strong> Models 164<br />

8.5.1 Tumor-Promoting Effects of IL-10 164<br />

8.5.2 Tumor-Inhibiting Effects of IL-10 165<br />

8.6 Conclusions 166<br />

Acknowledgements 167<br />

References 168<br />

Part 3 Strategies for <strong>Cancer</strong> Immunology 177<br />

9 Dendritic Cells <strong>and</strong> <strong>Cancer</strong>: Prospects for <strong>Cancer</strong> Vaccination 179<br />

Derek N. J. Hart, David Jackson <strong>and</strong> Frank Nestle<br />

9.1 Introduction 179<br />

9.2 DC Properties 179<br />

9.3 DC in Human <strong>Cancer</strong> 182<br />

9.4 Blood DC Counts <strong>and</strong> DC Mobilization 183<br />

9.5 DC Preparations for Immunotherapy 184<br />

Contents<br />

XI

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