Monocytes (MO) from cancer patients present functional abnormalities, such
as an altered secretion of soluble factors. In the present study, our aim w
as to evaluate the levels of interleukin-1 beta (IL-1 beta). tumour necrosi
s factor-alpha (TNF-alpha) and prostaglandin-E-2 (PGE2) secreted in vitro b
y MO from lung cancer patients (LCP), spontaneously or after stimulation wi
th lipopolysaccharide (LPS). Results showed that cytokine secretion was hig
her for MO from LCP than for MO from healthy controls, while in the of resp
onse to LPS treatment was Found. (C) 2001 HARCOURT PUBLISHERS LTD.