| |
Age
|
| |
0 wk
|
1 wk
|
2 wk
|
3 wk
|
4 mo
|
| Molecule |
L |
SC |
G |
L |
SC |
G |
L |
SC |
G |
L |
SC |
G |
L |
S |
G |
|
| CYP19 |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+/- |
- |
- |
| CYP11A1 |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
+/- |
| HSD17B4a |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
- |
- |
- |
| CBR1 |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
| CYP17A |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
+ |
- |
- |
| ALR2 |
+ |
+ |
- |
+ |
+ |
- |
+ |
+ |
- |
+ |
+ |
- |
+/- |
+ |
- |
| HSD3Ba |
+/- |
+ |
- |
+ |
+ |
- |
+ |
+ |
- |
+/- |
+ |
- |
+/- |
+/-b |
- |
|
Abbreviations: +, positive; +/-, weakly positive; -, negative. ALR2, aldose
reductase; CBR1, carbonyl reductase 1; CYP11A1, cytochrome P450 side-chain
cleavage; CYP17A, 17 -hydroxylase; CYP19, cytochrome P450 aromatase; G,
germ cell; HSD17B4, 17β-hydroxysteroid dehydrogenase 4; HSD3B,
3β-hydroxysteroid dehydrogenase; L, Leydig cell; S, Sertoli cell; SC, sex
cord. |
| aPositive immunoreaction on blood-testis barrier at 4 months of age. |
| bNot all cells immunopositive. |
|