使荷瘤小鼠免疫力降低Objective: To observe the influence of moxibustion on the immunological function of the tumor-bearing mice. Methods: 40 tumor-bearing mice were randomly and evenly divided into control group
moxibustion group
5Fu (5-fluorouracil) group
5Fu plus moxibustion group. Herbal cake-separated moxibustion was applied to"Guanyuan" (CV 4)
"Shenque"(CV 8) and "Zhongwan" (CV 12)(herbal cake about 0.5 thick)
3 cones each time
once every other day for eight treatments. 0.25 mg/0.1 mL of 5Fu was injected intraperitoneally for 5Fu group and 5Fu plus moxibustion group
once every 3 days
four times in succession. At the end of the treatment as well as 24 hr after completion of treatment
the mice were killed by extraction of the eyeball for collection of blood samples. The tumor tissue was taken for weighting the tumor body. The spleen was taken to be processed into cell suspension for examining the function of T lymphocytes with direct immunofluorescence marking method and flow cytometer. Natural killer cell (NK) activity and lymphokine-activated killer cell(LAK) activity (lethal rates) were detected with an enzyme-linked immunosorbent assay reader for recording OD values. Results: CD3% and CD4%
NK cell and LAK activity of 5FU group were lower than those of control group
suggesting decline of the immunity after injection of 5FU. Comparison between 5FU and moxibustion groups showed that CD3%
CD4% and CD4/CD8 of moxibustion group were significantly higher (P<0.05~0.005) or higher (CD4/CD8) than 5FU group. CD4% of moxibustion plus 5FU group was also significantly higher than that of 5FU group (P<0.005). NK cell activity of moxibustion group
NK cell and LAK cell activity of 5FU plus moxibustion group were all significantly higher than those of 5FU group (P<0.05~0.01)
showing an enhancement of the activity of NK and LAK cells by moxibustion. Conclusion: Moxibusion can improve the immune function in tumor-bearing mice.