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Changes in serum cytokine levels during induced whole body hyperthermia
Critical Care volume 3, Article number: P082 (2000)
Recent data from our laboratory demonstrated a significant decrease in the number of circulating T helper cells and monocytes as well as in the expression of IL-2. receptors on T cells during induced whole body hyperthermia [1,2]. The aim of further investigations was to analyze the influence of these effects on the function of TH1 cells, TH2 cells and monocytes. Therefore, we measured the levels of IL-2, IL-4, IL-6 and IFN-? in the blood of cancer-patients, undergoing whole body hyperthermia of 42°C. This is used as part of so called `systemische Krebs-Mehrschritt-Therapie' (sKMT) in our clinic.
Cytokine levels of 9 patients were measured by an ELISA technique. Blood samples were obtained before beginning of therapy at 37°C, at 40°C, at the end of the plateau of 42°C, at 37°C again, as well as after 20 h (on the next morning). Time between the first four investigations was about 2 h. Cytokine levels were compared by using a Wilcoxon rank sum test.
Despite a similar decrease in the number of both circulating T helper cells and monocytes, there seems to be a different change in the function of these cells during whole body hyperthermia up to 42°C. IL-2, which is postulated to be mainly produced in TH1 cells, decreased significantly; IL-4 and IFN-?, mainly produced in TH2 cells, decreased slightly and IL-6, one of the main products of monocytes, showed a significant increase. Further investigations are necessary to verify these results.
Critical Care 1998, 2 (Suppl. 1): 2.
BMA 1998, 80 (Suppl. 1): A301.
Supported by: Deutsche Krebshilfe, Deutsche Forschungsgemeinschaft (SFB 331, GraKo 273)
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Ahlers, O., Boehnke, T., Kerner, T. et al. Changes in serum cytokine levels during induced whole body hyperthermia. Crit Care 3, P082 (2000). https://doi.org/10.1186/cc456
- Public Health
- Blood Sample
- Emergency Medicine
- Main Product
- Cytokine Level