Probe:

Meteorin probe1

Structure	Level	Pattern	Image	Note
TS17: optic cup	Present	Regionally restricted	2A	Expression was detected in all cell layers of the developing retina.

Structure	Level	Pattern	Image	Note
TS22: retina	Present	Regionally restricted	2C , 2B	Expression was restricted to the external layer, where the retinal progenitor cells are located. No staining was detected in the inner layer (postmitotic neurons).

Structure	Level	Pattern	Image	Note
TS15: future spinal cord	Present	Regionally restricted	2D	Expression was detected in all layers in the spinal cord.

Structure	Level	Pattern	Image	Note
TS17: future spinal cord	Present	Regionally restricted	2E	Expression was limited to the ventricular zone and was not detected in the mantle layer.

Structure	Level	Pattern	Image	Note
TS15: migrating neural crest	Present	Regionally restricted	2F	Expression was detected in migrating neural crest in the peripheral nervous system.
TS15: peripheral nervous system	Present	Regionally restricted	2F	Expression was detected in migrating neural crest in the peripheral nervous system.

Structure	Level	Pattern	Image	Note
TS19: dorsal root ganglion	Present	Regionally restricted	2G	Expression was detected in nerve roots, the site of Schwann cell progenitors.

Structure	Level	Pattern	Image	Note
TS20: dorsal root ganglion	Present	Regionally restricted	2I	Expression was detected in the newly emergent satellite glial cells and in Schwann cells, but was not apparent in neurons.

Structure	Level	Pattern	Image	Note
TS28: telencephalon	Present	Regionally restricted	2K	Expression was detected in the subventricular zone of the lateral ventricle. Expression was not detected in the parenchyma.
TS28: corpus callosum	Present		2K

Structure	Level	Pattern	Image	Note
TS28: cerebellum Purkinje cell layer	Present	Regionally restricted	2M	Expression was detected in the radial glia but not in the Purkinje cells.
TS28: cerebellum internal granule cell layer	Absent		2M	Expression was not detected in astrocytes in the inner granule cell layer.

Structure	Level	Pattern	Image	Note
TS20: spinal cord ventricular layer	Present	Regionally restricted	2O	Expression was detected in radial glia.

Structure	Level	Pattern	Image	Note
TS22: spinal cord mantle layer	Present	Regionally restricted	2Q	Expression was detected in astrocytes.

Structure	Level	Pattern	Image	Note
TS21: spinal cord ventricular layer	Present	Regionally restricted	S1A , S1D	Expression is detected in along the entire dorsoventral axis of the ventricular zone.
TS21: spinal cord mantle layer	Present	Regionally restricted	S1A , S1D	A few cells have started to migrate toward the ventral portion of the mantle layer.

Structure	Level	Pattern	Image	Note
TS22: spinal cord ventricular layer	Present	Regionally restricted	S1J , S1G	Expression was detected in many cells in the ventricular zone.
TS22: spinal cord mantle layer	Present	Regionally restricted	S1G , S1J	Expression was detected in the ventral region of the mantle layer.

Structure	Level	Pattern	Image	Note
TS22: cerebral cortex ventricular layer	Present		S2A , S2B
TS22: ganglionic eminence	Present	Regionally restricted	S2A , S2B	Expression was detected in the ventricular zone of the ganglionic eminence but not in the subventricular zone.

Structure	Level	Pattern	Image	Note
TS20: telencephalon	Absent		S2I	Expression was not detected in the prospective amygdala.

Structure	Level	Pattern	Image	Note
TS22: cerebellum ventricular layer	Present		S3A

Structure	Level	Pattern	Image	Note
TS24: cerebellum	Present	Regionally restricted	S3C	Expression was detected in migrating glial precursors.

Structure	Level	Pattern	Image	Note
TS26: cerebellum	Present		S3E

Structure	Level	Pattern	Image	Note
TS28: cerebral cortex	Absent		S3G

Structure	Level	Pattern	Image	Note
TS28: cerebellum Purkinje cell layer	Present	Regionally restricted	S3I , S3H	Expression was detected in Bergmann glial cells in the Purkinje cell layer.

Structure	Level	Pattern	Image	Note
TS27: retina	Present		S3J

Structure	Level	Pattern	Image	Note
TS28: retina inner nuclear layer	Present	Regionally restricted	S3K	Expression was detected in the inner granular layer where Muller glia cell bodies exist.
TS28: retina ganglion cell layer	Absent		S3K	Expression is not detected in astrocytes in the ganglion cell layer.

Structure	Level	Pattern	Image	Note
TS27: sciatic nerve	Present	Regionally restricted	S3M	Expression was detected in Schwann cells in the sciatic nerve.

Structure	Level	Pattern	Image	Note
TS27: trigeminal ganglion	Absent		S3O	Expression was not detected in the satellite glia in the trigeminal sensory ganglia.