B Cell Immunity Flashcards
What are the Co-BCR receptors?
CD19, CD81 and CR2/CD21
Naive B cells entering lymph nodes express
L selectin, CXCR5 and LFA-1
What is the B cell adaptor protein?
Syk-B
TfH secrete what cytokine for B cell survival
IL-21
IL-4 primary isotype switch
IgG1 and IgE
Il-5 primary isotype switch
IgA
IFN-Y primary isotype switch
IgG2a and IgG3
TGF-B primary isotype switch
IgG2b and IgA
AID function
Involved in somatic hypermutation that converts Cs to Us
CD27
B plasma cell marker
Memory B cell markers
Cd27 and CD45
Memory B cell anti-apoptotic protein
Bcl-2
What is unique about t independent b cell act?
No class switching, no affinity matu and little to no memory. IgM uses for short term antibody protection.
B cell inhibitory receptor
FcyRIIB
FcYRI also known as
CD64