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Cancer & the Immune System. Hugh B. Fackrell. Cancer & the Immune System. Assigned Reading Content Outline Performance Objectives Key terms Key Concepts Short Answer Questions. Assigned Reading. Janis Kuby’s Immunology 4th Ed Chapter: 22 pp 539-561 Janis Kuby’s Immunology 3rd Ed
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Cancer & the Immune System Hugh B. Fackrell
Cancer & the Immune System • Assigned Reading • Content Outline • Performance Objectives • Key terms • Key Concepts • Short Answer Questions
Assigned Reading • Janis Kuby’s Immunology 4th Ed Chapter: 22 pp 539-561 • Janis Kuby’s Immunology 3rd Ed • Chapter: 24 pp 573-596
Origins & Terms Malignant Transformation Tumours of the Immune System Tumour Antigens TATAs on human melanomas Immune Response to Tumours Tumour Evasion of Immune Response Cancer Immunotherapy Content Outline
Diameter of Tumour (mm) Tumour Cell doubling Growth of Breast Cancer Death of Patient 1012cells Tumour first palpable 109cells Tumour visible by X rays 108cells
Tumour Antigens • Tumour specific Antigens • chemically induced • virally induced • Tumour associated antigens • oncofetal tumour antigens • oncogene proteins
Malignant Transformation • Oncogenes • Induction of cell proliferation • Inhibition of cell proliferation • Regulation of apoptosis
Immune Response to Tumours • NK cells & macrophages • Immune surveillance theory
Tumour Evasion of Immune Response • Immunologic enhancement • Modulation of tumour antigens • Reduce MHC-I • No co-stimulatory signal
Cancer Immunotherapy • Modify Co-stimulatory signal • Enhance APC activity • Cytokine therapy • MABs • Tumour cell vaccines
Allogenic/syngenic Transplant Breast cancer aplastic anemia leukemia ALL CML Myeolodysplasia multiple myeloma Non- Hodgkin’s lymphoma Hodgkin’s disease Autologous Transplants Leukemia AML ALL Multiple Myeloma Non Hodgkin’s lymphoma Hodkin’s disease Solid tumours Breast ovarian testicular Neuroblastoma Cancers Treatable by Bone Marrow Transplants
Transplant killed cells of MCA induced sarcoma A Challenge with Sarcoma A- No Growth Challenge with Sarcoma B- growth Transplant killed cells of Polyoma Virus induced sarcoma A Challenge with sarcoma A no growth challenge with sarcoma B no growth SV40 induced sarcoma C- growth Tumour Cell VaccineImmune Response to MCA or PV