Lecture 2 - Innate Immunity Flashcards
Function of lysozyme
Degrade peptidoglycan
Which type of bacteria is lysozyme particularly effective against?
Gram +
Which type of bacteria is lysozyme less effective against?
Gram -
Auxillary cells
1)
2)
3)
1) Megakaryocyte
2) Basophil
3) Mast cell
Phagocytic cells
1)
2)
3)
1) Monocyte/Macrophage
2) Neutrophil
3) Dendritic cell
Difference between macrophages and monocytes
Monocytes citculate in the blood
Macrophages reside in tissues
What do RIG-like helicases detect?
dsRNA
What do NOD-like receptors detect?
Peptidoglycan
What does TLR4 detect?
Lipopolysaccharide
What detects lipopolysaccharide?
TLR4
What detects peptidoglycan?
NOD-like receptor
What detects surface proteins?
1)
2)
1) TLR1/TLR2 complex
2) TLR2/TLR6 complex
What detects dsRNA?
TLR-3, RIG-like helicase
What does TLR-3 detect?
dsRNA
What do TLR-7 and TLR-8 detect?
ssRNA
What detects ssRNA?
TLR-7 and TLR-8
What detects CpG DNA?
TLR-9
What does TLR-9 detect?
CpG DNA
What does TLR-5 detect?
Flagellin
What detects flagellin?
TLR-5
What detects uropathogenic bacteria?
TLR-11
What does TLR-11 detect?
Uropathogenic bacteria
Where is TLR-5 expressed?
Basolateral surface of epithelial cells
Which toll-like receptors are expressed within an endosome?
TLR-3
TLR-7
TLR-9
What is NLRP?
Nod-like receptor family with N-terminal PYD domain
What makes up an inflammosome complex?
Nod-like receptor, PYHIN
What do inflammosomes do?
Activate pro-caspase1