Moxibustion helps ulcerative colitis

Methods: A total of 51 C57BL/6N mice were randomized into a 7-day control group (n=8), a 7-day model group (n=7), a 7-day moxibustion group (n=7), a 14-day control group (n=6), a 14-day model group (n=14) and a 14-day moxibustion group (n=9). In the model groups and the moxibustion groups, 2% dextran sulfate sodium (DSS) was given for 7-day free drinking to establish the UC model. Three days into modeling, moxibustion was applied at “Zusanli” (ST 36) in the 7-day moxibustion group and the 14-day moxibustion group, once a day, 10 min a time for 5 days and 12 days respectively. HE staining was used to observe the morphology of colonic tissue, the percentages of distal, middle and proximal colonic mucosal injury were calculated. Immunofluorescence staining was used to detected the expressions of positive nerve fibers of distal, middle and proximal colonic mucosa and CGRP positive nerve fibers of distal colonic mucosa.

Results: Mucosal injury can be observed in mice after modeling, displaying epithelial layer disappearance, abnormal crypt structure or crypt disappearance. Compared with the 7-day control group, colon length was shortened (P<0.001), percentages of overall, distal, middle colonic mucosal injury were increased (P<0.001), the expressions of positive nerve fibers of distal, middle and proximal colonic mucosa and CGRP positive nerve fibers of distal colonic mucosa were increased (P<0.001, P<0.05, P<0.01) in the 7-day model group. Compared with the 7-day model group, the expressions of positive nerve fibers of middle and distal colonic mucosa and CGRP positive nerve fibers of distal colonic mucosa were decreased in the 7-day moxibustion group (P<0.05). Compared with the 14-day control group, the colon length was shortened (P<0.01), percentage of overall colonic mucosal injury was increased (P<0.001) in the 14-day model group. Compared with the 14-day model group, colon length was lengthened (P<0.05), percentage of overall colonic mucosal injury was decreased (P<0.05) in the 14-day moxibustion group.

Conclusion: Moxibustion at “Zusanli” (ST 36) can reduce the expressions of positive nerve fibers of colonic mucosa and CGRP positive nerve fibers of distal colonic mucosa, thus, improve the colonic mucosal injury.

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About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

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