Probe:	Foxp1 probe1
Probe preparation:	Antisense labelled with S35 RNA
Visualized with:	Autoradiography

Structure	Level	Pattern	Image	Note
TS15: future spinal cord	Present	Regionally restricted	1A	Expression first detected in the ventral horn (motor column) at cervical level of the spinal cord.

Structure	Level	Pattern	Image	Note
TS15: future spinal cord	Present	Regionally restricted	1B	No expression at thoracic level of spinal cord.

Structure	Level	Pattern	Image	Note
TS15: future spinal cord	Present	Regionally restricted	1C	Expression first detected in the ventral horn (motor column) at lumbar level of the spinal cord.

Structure	Level	Pattern	Image	Note
TS19: future spinal cord	Present	Regionally restricted	1D	Strong expression in the ventral horn (motor column) of cervical spinal cord.

Structure	Level	Pattern	Image	Note
TS19: future spinal cord	Present	Regionally restricted	1E	No expression at thoracic level of spinal cord.

Structure	Level	Pattern	Image	Note
TS19: future spinal cord	Present	Regionally restricted	1F	Strong expression in the ventral horn (motor column) of lumbar spinal cord.

Structure	Level	Pattern	Image	Note
TS27: spinal cord ventral horn	Weak

Structure	Level	Pattern	Image	Note
TS21: forebrain	Present	Regionally restricted	2A
TS21: corpus striatum	Strong	Regionally restricted	2A	Strong expression in the caudate-putamen.
TS21: lateral ganglionic eminence	Absent		2A	No expression in lateral and medial ganglionic eminences.
TS21: medial ganglionic eminence	Absent		2A	No expression in lateral and medial ganglionic eminences.

Structure	Level	Pattern	Image	Note
TS23: caudate-putamen	Strong		2B
TS23: lateral preoptic area	Present		2B
TS23: paraventricular thalamic nucleus	Present		2B
TS23: preoptic area	Present		2B

Structure	Level	Pattern	Image	Note
TS25: caudate-putamen	Strong		2C
TS25: paraventricular thalamic nucleus	Strong		2C
TS25: lateral preoptic area	Weak		2C
TS25: preoptic area	Weak		2C
TS25: hippocampus	Present	Regionally restricted	2C	Expression in the CA1.

Structure	Level	Pattern	Image	Note
TS23: cortical plate	Present	Regionally restricted	3B	Expression in the superficial cortical plate.
TS23: cerebral cortex intermediate zone	Absent		3B
TS23: cortical subplate	Absent		3B

Structure	Level	Pattern	Image	Note
TS25: cortical plate	Present	Regionally restricted	3C	Expression in the deeper cortical plate.
TS25: cerebral cortex intermediate zone	Absent		3C
TS25: cortical subplate	Absent		3C

Structure	Level	Pattern	Image	Note
TS27: cortical plate	Present	Regionally restricted	3D	Expression in the deeper cortical plate.
TS27: cortical subplate	Absent		3D

Structure	Level	Pattern	Image	Note
TS21: midbrain	Present	Regionally restricted	4A	Expression in the inferior colliculus.
TS21: midbrain-hindbrain junction	Present		4A	Expression in the isthmus.
TS21: hindbrain	Present	Regionally restricted	4A	Expression in the facial nucleus.
TS21: medulla oblongata	Present	Regionally restricted	4A	Expression in the medullary reticular formation.

Structure	Level	Pattern	Image	Note
TS21: medulla oblongata	Present	Regionally restricted	4B	Expression in the medullary reticular formation, prepositus hypoglossal nucleus, vestibular nucleus and caudal interstitial nucleus of medial longitudinal fasciculus.

Structure	Level	Pattern	Image	Note
TS21: medulla oblongata	Present	Regionally restricted	4C	Expression in the inferior olive and caudal interstitial nucleus of medial longitudinal fasciculus.

Structure	Level	Pattern	Image	Note
TS21: medulla oblongata	Present	Regionally restricted		Expression in hypoglossal nucleus.

Structure	Level	Pattern	Image	Note
TS27: inferior olivary nucleus	Very strong		4D

Structure	Level	Pattern	Image	Note
TS27: medulla oblongata	Present	Regionally restricted		Expression in regions other than inferior olive were decreased.

Structure	Level	Pattern	Image	Note
TS21: cerebellum	Present	Regionally restricted	5A	Expression first observed in the cortical transitional zone. Weak expression in the nuclear transitory zone, which gives rise to the deep cerebellar nucleus.

Structure	Level	Pattern	Image	Note
TS23: cerebellum	Strong	Regionally restricted	5B	Increased expression in the Purkinje cell layer.
TS23: deep cerebellar nucleus	Present		5B

Structure	Level	Pattern	Image	Note
TS27: cerebellum Purkinje cell layer	Strong		5C
TS27: deep cerebellar nucleus	Present		5C