Research Article

Electroacupuncture versus Moxibustion for Irritable Bowel Syndrome: A Randomized, Parallel-Controlled Trial

Figure 3

Comparison of 5-HT expressions before and after treatment. (a) Immunohistochemistry for 5-HT expressions in sigmoid mucosa tissue of IBS patients before and after treatments in the EA and Mox groups (IHC staining, ×20). Arrows represent immunohistochemistry positive expressions. (b) 5-HT expressions in the EA and Mox groups before treatment comparing to the NC group, (c) 5-HT expression before and after the treatment in the EA group (), and (d) 5-HT expression before and after the treatment in the Mox group (). NC: the normal control group, EA: the electroacupuncture group, and Mox: the mild moxibustion group.
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