1921
Volume 53, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645
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Abstract

Abstract

The levels of tumor necrosis factor-α (TNF-α) in sera from -infected patients from the endemic region of Boko Songho (Bouenza focus in Congo) were measured. An increase was observed in sera from patients (geometric mean = 53.75 pg/ml, n = 69) compared with control subjects from the same endemic area (6.72 pg/ml, n = 31). The patients were classified as being in the early (blood lymphatic) stage and late (meningo-encephalitic) stage of disease according to the presence of parasites and cells in cerebrospinal fluid (CSF). An increase in TNF-α was noted in late stage patients (68.42 pg/ml, n = 28) compared with early stage patients (43.68 pg/ml, n = 41). Those patients with fever, asthenia, and edema and those with neurologic signs had higher levels of TNF-α (89.36 pg/ml, n = 26) than others (38.07 pg/ml, n = 43). No differences in TNF-α levels were seen when trypanosomes were detected in one location (blood, lymph nodes, or CSF) or two or three locations. These data show that the levels of TNF-α in serum of -infected patients were correlated with disease severity (presence of signs of inflammation or presence of major neurologic signs) and indicate that TNF-α could be involved in some aspects of human African trypanosomiasis physiopathology.

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/content/journals/10.4269/ajtmh.1995.53.539
1995-11-01
2017-11-25
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