Summary: Im-H
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1 Elements of the immune system and their role in defense
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What is the immune system?
A diffuse, complex network ofinteracting cells, cell products andcell-forming tissues that protect the body. -
What happens to the immunity balance in case of disease?
- non self harmful can cause an infection
- non self harmless can cause an allergy
- self harmless can cause an auto-immune disease
- self harmful can cause cancer -
How to treat immune related disease in other words how to restore the balance between inflammation and tolerance?
- in case of infection: vaccines
- in case of autoimmune disease or cancer: the immunotherapy -
1.1 Innate versus adaptive immunity: components
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What are the epithelial barriers?
Physicalbarriers from the first line of defence againstpathogens . -
What are the secondary lymphoid organs and the function?
Activation of adaptive immune cells.
- Lymph nodes
- Spleen
- Gut Associated Lymphoid Tissues (GALT) -
What is correct concerning your innate immune system?
It forms the first and the second line of defence -
1.2 Innate versus adaptive immunity: function
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What is the function of innate immune cell receptors?
- used for activation and pathogen uptake
- equal expression per cell subset
- can differentiate between major pathogen species
- using associated molecular patterns: >pathogen (PAMPS) >danger(DAMPS) -
What is the function of the adaptive immune cell receptors?
- used for activation and effector functions
> B cell: B cell receptor BCR becomes soluble: antibody
>T cells: T cell receptor TCR
- can differentiate within major pathogen species
- using antigens
> highly specific for each pathogen
> receptor is highly specific per cell -
Neutrophils are recruited by macrophages from the...
Bone marrow by chemokines
Note: recruit then chemokine -
2 Immediate response to infection: complement
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2.1 Inflammation complement
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What is the function of the alternative pathway?
Activates soluble C3 convertase starting with hydrolysis
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Topics related to Summary: Im-H
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Immediate response to infection: complement - Inflammation complement
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Innate immunity: The induced response to infection - Innate immunity: NK CELLS
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Antigen recognition by T lymphocytes - T cell receptor
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Antigen recognition by T lymphocytes - Antigen processing and presentation (T helper cell activation
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The development of B lymphocytes - Induction of immune responses (I)
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The development of T lymphocytes - The HLA-system
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T cell mediated immunity