Antigen Recognition by T Cells Flashcards
1
Q
What type of microbes do T cells fight and give examples
A
Intracellular microbes
1) Intracellular bacteria - in phagosomes of phagocytes
2) Viruses - free in cytoplasm
3) Cancer cells
2
Q
How do T cells recognise antigens?
A
- T cells recognise antigen processed and presented by APC
- APCs process antigens into peptides
- Peptides bind to MHC molecules and the complex is presented on the APC
3
Q
A
CD4 T helper cells - antigens displayed by MHC class II
4
Q
APCs
A
5
Q
A
