[Serum levels of tumor necrosis factor α and interferon γ in patients with hemophagocytic syndrome and its clinical significance].

In order to explore the serum levels and clinical significance of tumor necrosis factor alpha (TNF-α) and interferon gamma (IFN-γ) in patients with hemophagocytic syndrome (HPS). The clinical data of HPS patients in Capital Medical University Beijing Friendship Hospital from October 2008 to October 2010 were collected. The serum concentration of TNF-α and IFN-γ in HPS patients and 20 healthy controls was measured with enzyme-linked immunosorbent assay (ELISA). The correlations between the levels of TNF-α and primary disease were analyzed, the levels of hemoglobin, ferritin, triglyceride, NK cell activity and sCD25 were detected on the same day, the correlations between the concentrations of TNF-α and IFN-γ and these laboratory indicators were analyzed. The results indicated that the serum levels of TNF-α and IFN-γ in 30 cases of HPS was higher than that in control group (p < 0.05, p < 0.01); the difference of TNF-α concentration was statistically significant in rheumatism-related and tumor-related HPS groups(p = 0.04), the level of TNF-α in HPS patients showed negative correlation with hemoglobin. It is concluded that the high levels of TNF-α and IFN-γ in HPS patients may play certain roles in the pathogenesis and progress of HPS. These data indicated that the high level of TNF-α may be the main factor for anemia in patients with HPS.