FcR on Leukocytes Flashcards
FcgR1
IgG
CD64
HIGH
Mo, PMNs, Monos, DC
Phag
FcgRIIA
IgG
CD32 low
Mo, PMNs, Eos, Platelets
Cell activation, poor phag
FcgRIIB1/2
IgG
CD32 low
Monos, DCs, Bcell
Feedback inhib of various cell responses
FcgRIIC
IgG
CD32 low
Mo, PMNs, NK
Cell act, phag
FcgIIIA
IgG
CD16 low
Mo, NK
ADCC
FcgRIIIB
IgG
CD16 low
Mo, PMNs Eos
Phag (poor)
FceRI
IGE
HIGH
mast, basos, Eos
Degranulation, ADCC
FceRII
IgE
CD23 low
Monos, B cell, DC
Prevent IgE binding to FceRI, inhibit excess IgE levels
FcaR
IgA
CD89 low
PMNs, Eos, Monos
?cell activation
Macrophages
All IgG Fc
PMNs
FcgR: I, IIA, IIC, IIIB
FcaR
Monos
FcgRI
FceRII
FcaR
Dendritic Cells
FcgRI, FcgRIIB1/2
FceRII
Eosinophils
FcgRIIA, FcgRIIIB
FceRI
FcaR
Platelet
FcgRIIA
B cells
FcgRIIB1/2
FceRII
NK cells
FcgRIIC, FcgRIIIA
Basophils
FceRI