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Tumor immunology
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Content IMMUNOLOGICAL SURVEILLANCE TUMOR ANTIGENS
EFFECTOR MECHANISMS IN ANTI-TUMOR IMMUNITY MECHANISMS OF EVASION OF THE IMMUNE SYSTEM BY TUMORS TUMOR IMMUNOTHERAPY
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Immunosurveillance Physiological function of the immune system to recognize and destroy malignantly transformed cells before they grow into tumors, or to kill tumors after they are formed
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Tumor antigens Tumor-specific antigens (TSA)
Antigens expressed on tumor cells but not on normal cells Tumor-associated antigens (TAA) Antigens expressed concurently on normal cells
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Figure 14-12
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Figure 14-12
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Figure 14-13
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Effector mechanisms in anti-tumor immunity
T lymphocytes NK cells Antibodies Macrophages
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Effector mechanisms in anti-tumor immunity
T lymphocytes NK cells Antibodies Macrophages
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Figure 1-6
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Figure 9-34 part 1 of 2
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Figure 9-34 part 2 of 2
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Effector mechanisms in anti-tumor immunity
T lymphocytes NK cells Antibodies Macrophages
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Effector mechanisms in anti-tumor immunity
T lymphocytes NK cells Antibodies Macrophages
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Mechanisms of evasion of the immune response by tumors
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IMPORTANT ISSUES IN DESIGNING EFFECTIVE CANCER VACCINE
Too less good things for initiation of antitumor immune response Failure to produce and/or present antigen Failure to activate T cells Too many bad things for maintenance of an effective antitumor immune response Immunosuppresive cytokines Induction of immunoprivileges Induction of regulatory cells
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Figure part 1 of 2
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Figure part 2 of 2
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Tumor immunotherapy Nonspecific Specific Passive Active Vaccination
Monoclonal Abs adoptive (LAK, TIL) Active Vaccination
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Figure 14-17
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IMPORTANT ISSUES IN DESIGNING EFFECTIVE CANCER VACCINE
To identify potent tumor rejection antigens To stimulate an effective antitumor immune response To avoid autoimmune pathology
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