Figure 4.
Quantification of F4/80-positive macrophages in quadriceps and saphenous nerves of P0+/+ op/wt (black bars, n = 5), P0+/+ op/op (white bars, n = 3), P0+/− op/wt (dark gray bars, n = 9), and P0+/− op/op mice (bright gray bars, n = 3) at the age of 6 mo. The op genotype has no influence on the number of resident macrophages in quadriceps nerves of P0+/+ mice. In quadriceps nerves of P0+/− op/wt mice, the number of macrophages is similarly increased, as shown in Fig. 1 C, whereas homozygosity for op prevents the increase of macrophage numbers in quadriceps nerves of the myelin mutants (P0+/− op/op). In the nondemyelinating saphenous nerves, the number of macrophages is never increased. Bars indicate mean values ± SD. * P < 0.05.
