Research Article

Age-Associated Changes in the Vascular Renin-Angiotensin System in Mice

Figure 14

Immunohistochemistry for 3-nitrotyrosine. (a) Representative images of immunohistochemistry for 3-nitrotyrosine (original magnification, 400x). (b) There was marked increase in the 3-nitrotyrosine-positive area in the 24 M group (%) compared with 2 M group (%) and 12 M group (%). ; . Values are shown as mean ± SD.
(a)
(b)