Increased Production of Tumor Necrosis Factor Activity by Hemodialysis but Not Peritoneal Dialysis Patients

Abstract
The production of tumor necrosis factor alpha (TNFα) activity by peripheral blood mononuclear cells (PBMC) was determined in uremic patients on chronic hemodialysis (HD; n = 27), continuous ambulatory peritoneal dialysis (CAPD; n = 19), and in patients with chronic renal failure who were not yet on dialysis (CRF-ND; n = 18). In the HD group blood was taken immediately prior to and immediately following an HD session utilizing a cellulose acetate dialyzer. Post-HD PBMC spontaneously (i.e. in serum free media) produced significantly more TNFα activity than the PB MC of all other patient groups as well as those of the normal controls (n = 41) (p

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