angiotensin converting enzyme activity was raised in most ( 29/32 ) patients with ra and interleukin 1 activity ( most of which was interleukin 1 beta ) was enhanced in 11/32 patients with ra , while monocytes from only two patients with osteoarthritis , but from none of the controls , secreted a small amount of ace alone in the culture condition .
C0021755
interleukin 1
C0021753
interleukin 1 beta