Rheumafołd factor andotherigtoantibotfes I
I Interleukin- 4
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Th2
Macrophage
B celi
Synovium
T
JCD1 li rCD69
Osteoaast
Chondrocyte)
» r r
Productlon of metalloproteinases and other effector molecules
Migration of polymorphonuclear cells EM
a