Iodine Intake Increases IP-10 Expression in the Serum and Thyroids of Rats with Experimental Autoimmune Thyroiditis

Figure 3

CD4⁺ T cell expression and localization in thyroid tissues from EAT rats. (A) Section of thyroid tissue from the normal group, showing absence of staining for CD4⁺ T cells. (B) Section of thyroid tissue from the TG group, showing immunostaining for CD4⁺ T cells in many mononuclear cells (yellowish-brown). (C) Section of thyroid tissue from the HI group. (D) Immunostaining for CD4⁺ T cells in many mononuclear infiltrating cells in the thyroid tissue from the HI+TG group. (E) Section of thyroid tissue from the HII group. (F) High immunoreactivity for CD4⁺ T cells in thyroid tissues from the HI group. (G) Section of thyroid tissue with negative control staining. Original magnification: 200x.