1 Transplant Immunology

Innate immunity:Immunological memory: yes or no

no

Adaptive immunity:immunological memory: yes or no

yes

Innate immunity:nonspecific/rapid: yes or no

yes

Adaptive immunity: Ag specific/slower: yes or no

yes

Innate immune system causes1.2.3.

1. graft injury during reperfusion2. inflammation/scarring3. primes/enhances activity of adaptive immune system

Adaptive immune system causes:1. 2. 3.

1. graft recognition2. rejection3. tolerance

cytokines are chemical ____

messengers

Inflammatory cytokine examples

TNF alphaIL-1, 6, 17chemochines

proliferation, differentiation of cells cytokine examples

TGF-betaIL-2, 4, 5, 10, `1INF-gamma

only ____ cells express cytokine receptor components

activated

IL2 receptor affinity:gamma + beta

intermediate

IL2 receptor affinity:alpha only

low

IL2 receptor affinity:gamma, beta, + alpha

high

IL-2 receptor aka...

CD25

B lymphocytes go through ___ to become mature B lymphocytes

bone marrow

T lymphocytes go through ___ to become mature T lymphocytes

thymus

Helper T cells: phenotypic markers CD___

CD3 aka TCRCD4

cytotoxic T cells: phenotypic markers CD____

CD3 aka TCR CD8