 
 
It is the function of a liberal
university not to give right answers, but to ask right questions
Cynthia Ozick
Who Am I? I
discovered that antigens must first be processed by macrophages
before the antigen can be recognized by T cells
    
        | Presentation | Slide show | Web animation | Download | 
    
        | Antigen Processing |  |  |  | 
 

Kuby's Immunology 4th Ed \chapter 8 pg201-214
Kuby's Immunology 3rd Ed Chapter 10: pp 249-262 

    - Self MHC Restriction of T Cells 
- Role of Antigen Presenting Cells 
- Two Presentation Pathways 
- Cytosolic Pathway: Endogenous Antigens
            - proteasomes 
- peptide transport 
- assembly of peptides in MHC-I
 
- Endocytic Pathway: Exogenous Antigens
            - endocytic vesicles 
- peptide transport 
- Assembly of peptides in MHC-II
 
- Clinical Applications 
    
        | DEFINE
        THE FOLLOWING KEY TERMS: | 
    
        | antigen presenting cells | cytosolic pathway[] | endocytic pathway[] | 
    
        | professional antigen presenting cells | ubiquitin [] | proteosome[] | 
    
        | nonprofessional antigen presenting cells | calnexin[] | invariant (Ii) chain [] | 
    
        | Transportors associated with antigen processing (TAP) | CLIP | molecular chaperones[] | 
QUESTIONS
    - Describe self MHC restriction. 
- Compare the cytosolic pathway for antigen presentation
        with the endocytic pathway for antigen presentation 
- Compare professional with non professional antigen
        presenting cells. 
- Draw a flow diagram comparing cytosolic and endocytic
        pathways for processing antigens 
- Describe peptide generation by proteasomes. 
- Describe transport of antigenic peptides from the cytosol
        to the Rough Endoplasmic reticulum 
- Draw a concept map for the separate antigen presenting
        pathways for endogenous and exogenous antigens. 
- Describe the assembly of MHC-II molecules within the
        Rough endoplasmic reticulum. 
- Describe the development of a viral vaccine that uses the
        cytosolic pathway. 
- Describe the development of a vaccine that used