Figure 6From: Glial TNFα in the spinal cord regulates neuropathic pain induced by HIV gp120 application in rats Colocalization of TNFα and Iba1 in the spinal cord. Double-label immunostaining of Iba1 and TNFα in the spinal dorsal horn was carried out in rats treated with gp120 application for 2 weeks. There was marked colocalization between Iba1 and TNFα imaging. Scale bar, 50 μm.Back to article page