Antigen Presentation Flashcards
Where is MHC1 found
On all cells
Function of MHC1
take proteins on inside of cell and present to immune system
- Present intracellular proteins
Where are MHC2 found
on immune cells
What do MHC2 do
present epitopes to outside of T cell
- Present extracellular proteins
Which MH complex presents intracellular proteins
MHC1
Which MHC presents extracellular proteins
MHC2
What is MHC1 like
an ID card- When immune system asks if you are part of yourself, the MHC1 tells the immune system “i am you”
What are the 3 types of APC’s
- Activated dendritic cells
- Activated macrophages
- Activated B cells
Way that dendritic cells work
-Grab pathogen from injury, release chemokines to attract monocytes, travels to lymph nodes and activates immune cells.
Way that macrophages work
-Stay at infection and fight off and phagocytize invaders
Which cells kill intracellular viral infections
T cells
What cell kills bacterial infection cells
B cells
