While essential in protecting the body against ... in 55% of macrophages in the latter, but <6% of patients with OA. It was present at twofold higher levels in synovial fluid macrophages from ...

OBJECTIVES The aim of the present study was to identify M1 and M2 macrophages in bronchoalveolar lavage (BAL) fluid from patients with sarcoidosis and assess the effect of smoking on these cells.