Table 1 Regions of Wnt pathway gene expression in the embryonic chick forebrain
From: Complex and dynamic patterns of Wnt pathway gene expression in the developing chick forebrain
| Â | Pallium | PSB | Subpallium | Hypothalamus | Prethalamus | ZLI | Epithalamus | Epiphysis | Thalamus | Pretectum | Basal diencephalon | DMB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wnt1 | HH19: dorsal | - | - | - | - | - | Dorsal | - | - | Dorsal only | - | - |
Wnt2B | HH19: dorsal | - | - | Posterior end | - | + | ++ | ++ | Wedge | Dorsal only | Anterior end | - |
Wnt3 | - | - | - | - | - | + | Posterior | - | Wedge | Dorsal only | - | - |
Wnt3A | - | - | - | - | - | + | Posterior | - | Wedge | Dorsal only | - | - |
Wnt4 | - | - | - | - | - | + | ++ | - | Broad wedge | Early stages | - | - |
Wnt5A | Diffuse | +/- | Anterior | +/- | + | Flanking | + | + | + | Ventral only | HH17: vZLI | - |
Wnt5B | + | + | Around bos | - | ++ | Flanking | Weak | - | Mostly weak | Weak | - | Weak |
Wnt6 | - | - | - | - | - | - | Dorsal | ++ | - | Dorsal only | - | - |
Wnt7A | - | - | - | - | - | - | - | - | - | Ventropost. | Posterior | Ventral |
Wnt7B | Dorsal | Posterior | Posterior | Posteriolat. | ++ | Flanking | + | - | + | Ventral | +/- | - |
Wnt8B | Dorsal | - | - | Posterior end | - | ++ | + | - | - | - | Anterior | - |
Wnt9A | Dorsal | - | - | - | - | + | Punctate | +/- | Punctate | Dorsal only | + | - |
Fz1 | AP gradient | ++ | + | ++ | + | - | Dorsoanterior | ++ | Ventropost. | Ventral | Posterior | Downreg. |
Fz2 | AP gradient | + | + | Posterior | Partly | Weak? | Dorsal | ++ | Ventropost. | Ventral | Patches | Downreg. |
Fz4 | + | + | + | Posterior | ++ | +/- | Spot | +/- | Weak | - | Weak | + |
Fz7 | + | +/- | + | ++ | Partly | ++ | + | + | Weak | Ventral | ++ | Downreg. |
Fz8 | ++ | ++ | ++ | Ventroant. | - | - | - | - | Weak? | Weak? | - | - |
Fz9 | + | + | + | + | + | Flanking | ++ | + | Wedge | Ventral | + | Downreg. |
Fz10 | - | - | - | - | - | Flanking | + | - | Wedge | Dorsal | - | +/- |
Sfrp1 | ++ | + | Posterior | Posterior | Anterior | - | Anterior | - | - | Ventropost. | Posterior | Ventral only |
Sfrp2 | Along border | ++ | Diffuse | ++ | ++ | Flanking | Weak post. | - | + | ++ | + | ++ |
Sfrp3 | + | ++ | + | +/- | + | + | Weak | - | Wedge | Weak | ++ | ++ |
Axin1 | - | - | - | - | - | + | + | - | + | Dorsal only | - | - |
Axin2 | HH19: weak | HH19: weak | HH19: weak | HH19: weak | HH19: weak | + | + | - | + | Dorsal | HH19: weak | + |
Idax | - | Weak, diffuse | Around bos | +/- | + | + | Dorsoanterior | - | Anterior only | - | +/- | Weak |
Lef1 | AP gradient | +/- | +/- | Late | + | + | + | ? | + | + | +/- | Weak |
Tcf1 | + | + | + | + | + | + | + | + | + | + | + | + |
Tcf3 | + Excl. dors. | ++ | ++ | Anterior | + | - | - | - | Ventropost. | + | - | + |
Tcf4 | HH19: weak | Diffuse | Anterior | ++ | HH19: + | Flanking | + | +/- | ++ | ++ | - | - |
Ctbp1 | Weak | +/- | Weak | Weak | Weak | ++ | Dorsal | - | Stronger ant. | ++ | + | ++ |
Ctbp2 | + | +/- | +/- | +/- | Weak | Flanking | + | +/- | AP gradient | + | +/- | Flanking |
Drapc | Dorsal | - | - | - | - | ++ | Dorsal | - | - | - | Weak | - |
Axud1 | +/- | +/- | +/- | +/- | +/- | + | Dorsal | - | Weak | Ventral | +/- | + |