... 1 Expression of RANK-L, OPG, RANK, and TRAF6 mRNAs by synovial fluid (SF) neutrophils isolated from patients with rheumatoid arthritis (RA) and by normal blood cellsExpression of RANK-L, OPG, RANK, ... value of less than 0.05.Results Expression of RANK-L, OPG, RANK, and TRAF6 mRNAs by SF neutrophils from patients with RA and by healthy human blood cellsFreshly isolated neutrophils from SF of ... Rochester, NY, USA).CytofluorometryThe expression of RANK-L and RANK at the membrane wasevaluated by cytofluorometry. Freshly separated healthy human blood or SF neutrophils from patients with RA and healthy...