Clinical Significance of M1/M2 Macrophages and Related Cytokines in Patients with Spinal Tuberculosis

Figure 3

The IHC of macrophage polarization characteristic molecules and cytokines. (a1) IL-10 is close to the TB lesion tissue, and the positive area is brown (×400). (a2) IL-10 distance to the TB lesion tissue and negative expression (×400). (b1) TNF-α is close to the TB lesion tissue, and the positive area is dark yellow (×400). (b2). TNF-α distance to the TB lesion tissue and negative expression (×400). (c1) IFN-γ is close to the TB lesion tissue, and the positive area is dark yellow (×400). (c2) IFN-γ distance to the TB lesion tissue and negative expression (×400). (d1) CD68 is close to the TB lesion tissue, and the positive area is brown (×400). (d2) CD68 distance to the TB lesion tissue and the positive area is light yellow (×400). (e1) iNOS is close to the TB lesion tissue, and the positive area is brown (×400). (e2) iNOS distance to the TB lesion tissue and the positive area is light yellow (×400). (f1) CD163 is close to the TB lesion tissue, and the positive area is dark yellow (×400). (f2) CD163 distance to the TB lesion tissue and the positive area is light yellow (×400).