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

Figure 5

Comparison of 5-HT₄R expressions before and after treatment. (a) Immunohistochemistry for 5-HT₄R 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-HT₄R expressions in the EA and Mox groups before treatment comparing to the NC group, (c) 5-HT₄R expression before and after the treatment in the EA group, and (d) 5-HT₄R 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.

(a)

(b)

(c)

(d)