16. Antigen type and memory Flashcards Preview

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Flashcards in 16. Antigen type and memory Deck (11):
1

Antigen type and memory

1. Thymus - independent antigens
2.Thymus- dependent antigens

2

Thymus- independent antigens (structure , mechanism etc)

Antigets lacking a peptide compoment (eg LPS) --> cannot be presented by MHC to T cells --> nonimmunogenic or weakly

3

Autoimmune lymphoproliferative syndrome

Defective Fas - FAsL Interaction

4

B7 protein is AKA

CD80/CD86

5

Antibodies tha fix complents and the region

IgM, IgG
CH2 of Fc

6

GI IgA is produced by (example)

Peyer Patches

7

Cd54

ICAM 1

8

CD 106

V CAM -1

9

ICAM -1 (CD 54) the receptor of

Rhinovirus

10

• A booster shot for the pneumococcal polysaccharide vaccine is often given after 5 years. What type of antigen is in this vaccine?

A thymus-independent antigen, which lacks a peptide component and is not presented to T cells by the MHC

11

• A baby receives a diphtheria vaccine containing a protein component. What kind of antigen is in the vaccine? What is the immune response?

Thymus-dependent antigen; immunologic memory and class switching