ch_16_(part2)

ch_16_(part2) - Chapter 16 Adaptive Immunity Part II 1...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Chapter 16 Adaptive Immunity Part II 1 Infection by bacteria virus or toxin Antigen picked up by dendritic Detected by B cells in lymphatic system dendritic cells 2 molecule Dendritic cells – the scouts p. 381 • Found in peripheral tissues • Samples all material for “foreign” proteins • displays information on MHC 3 Major Histocompatibility Complex s MHC molecules on human cells present antigen fragments (protein, etc.) from inside cell s MHC molecules: class I and class II s Class I – all human cells present endogenous (self) proteins s Class II – macrophages, dendritic cells, B cells present exogenous (other than self) proteins antigen 4 T cells 5 T Cells p. 380-383 s T cells have T-cell receptors on surface • When activated they become T c or T H s Killer or cytotoxic T cells (T C ) • Attack virus –infected cells • Have CD8 protein associated with T-cell receptor • Have CD8 protein associated with T-cell receptor • Binds MHC I on other cells • Triggers apoptosis or cytolysis by release of...
View Full Document

This note was uploaded on 06/11/2010 for the course MIBO 2500 taught by Professor Walker during the Spring '08 term at UGA.

Page1 / 20

ch_16_(part2) - Chapter 16 Adaptive Immunity Part II 1...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online