Research Article

Mild Moxibustion Decreases the Expression of Prokineticin 2 and Prokineticin Receptor 2 in the Colon and Spinal Cord of Rats with Irritable Bowel Syndrome

Figure 2

PK2 expression in the colon of chronic visceral hypersensitivity model rats (immunohistochemical detection). Yellow stains denote PK2-positive expression as shown by the arrows. PK2 was mainly expressed in the mucosal epithelium, the proximal glands of the mucosal epithelium, the interstitium, and the muscle layer of the colon. (A1) normal group, (B1) model group, and (C1) mild moxibustion group. Scale bar: 20 μm.
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