|
|
Noradrenaline
|
Acetylcholinesterase Activity
|
| Tissue
|
Age, d
|
pg/Total Tissue
|
pg/mg Tissue
|
AU/Total Tissue
|
AU/mg Tissue
|
|
| Caput
|
40
|
5.3 ± 0.1 a
|
189.7 ± 4.9
|
18.1 ± 1.8 a
|
0.59 ± 0.05 a
|
|
60
|
15.3 ± 1.9 b
|
172.7 ± 21.1
|
123.1 ± 4.5 b
|
1.04 ± 0.08 b
|
|
120
|
29.1 ± 3.3 c
|
135.3 ± 14.4
|
158.6 ± 11.0 c
|
0.57 ± 0.03 a
|
| Cauda
|
40
|
151.9 ± 6.5 a
|
5107.0 ± 354.0 a
|
132.9 ± 7.6 a
|
6.7 ± 0.7 a
|
|
60
|
238.8 ± 34.4 a
|
3852.3 ± 505.3 a
|
218.8 ± 20.2 b
|
3.2 ± 0.2 b
|
|
120
|
658.6 ± 56.6 b
|
3231.0 ± 309.9 b
|
426.0 ± 27.7 c
|
1.5 ± 0.1 c
|
|
|
| *Data are expressed as mean plus or minus standard error of the
mean from 3-5 experiments.
|
 AU indicates arbitrary units of enzymatic activity.
|
| Different letters indicate significant differences among ages in the
same tissue (P <.05).
|
|
