Inflammation Flashcards
mediators of vasodilation
PGI, PGE, PGD
mediators of vasoconstriction
thromboxane A2, LTC4, LTD4, LTE4
mediators of increased vascular permeability
LTC4, LTD4, LTE4
mediators of chemotaxis and leukocyte adhesion
LTB4, HETE (precursor to LTs)
source of histamine
mast cells
basophils
platelets
action of histamine
vasodilation
increased vascular permeability
endothelial activation
source of prostaglandins
mast cells
leukocytes
actions of prostaglandins
vasodilation
pain
fever
source of leukotrienes
mast cells
leukocytes
actions of leukotrienes
increased vascular permeability
chemotaxis
leukocyte adhesion
activation
source of cytokines
macrophages
endothelial cells
mast cells
action of cytokines
endothelial activation
fever
metabolic abnormalities
hypotension
source of chemokines
leukocytes
activated macrophages
source of platelet-activating factor
leukocytes
mast cells
actions of platelet-activating factor
vasodilation increased vascular permeability leukocyte adhesion chemotaxis degranulation oxidative burst
source of compliment
plasma (liver)
actions of complement
leukocyte chemotaxis/ activation
MAC complex
vasodilation
source of kinins
plasma (liver)
actions of kinins
increased vascular permeability
smooth muscle contraction
vasodilation
pain
cytokines of acute inflammation
TNF IL-1 IL-6 Chemokines IL-17
Chemokines of chronic inflammation
IL-12
INF-y
IL-17
sources of TNF
macrophages
mast cells
T lymphocytes
actions of TNF
stimulates expression of endothelial adhesion molecules and secretions of other cytokines, systemic effects
sources of IL-1
macrophages
endothelial cells
epithelial cells
actions of IL-1
fever
sources of IL-6
macrophages
actions of IL-6
acute phase reactant
source of chemokines
macrophages
endothelial cells
T lymphocytes
mast cells
actions of chemokines
recruitment of leukocytes to sites of inflammation
migration od cells into normal tissues
source of IL-17
T lymphocytes
action of IL-17
recruitment of neutrophils and monocytes
source of IL-12
dendritic cells
macrophages
actions of IL-12
increased production of IFN-y
source of IFN-y
T lymphocytes
NK cells
actions of IFN-y
activation of macrophages to kill microbes and tumor cells