Antibody:	Anti-Pax7
Detection system:	Secondary antibody

Structure	Cell Type	Level	Pattern	Image	Note
TS21: extrinsic ocular pre-muscle mass	muscle precursor cell	Present		2E , 2A
TS21: tongue muscle	muscle precursor cell	Present		2E , 2A
TS21: cranial muscle	muscle precursor cell	Present	Regionally restricted	2A	Expressed in the masseter.

Structure	Cell Type	Level	Pattern	Image	Note
TS21: cranial muscle	muscle precursor cell	Absent		2B , 2F
TS21: extrinsic ocular pre-muscle mass	muscle precursor cell	Absent		2B
TS21: tongue muscle	muscle precursor cell	Absent		2B

Structure	Cell Type	Level	Pattern	Image	Note
TS26: masseter	muscle precursor cell	Present		2C , 2G
TS26: extrinsic ocular muscle	muscle precursor cell	Present		2C
TS26: tongue muscle	muscle precursor cell	Present		2C

Structure	Cell Type	Level	Pattern	Image	Note
TS26: masseter	muscle precursor cell	Absent		2D , 2H
TS26: extrinsic ocular muscle	muscle precursor cell	Absent		2D
TS26: tongue muscle	muscle precursor cell	Absent		2D

Structure	Cell Type	Level	Pattern	Image	Note
TS26: extrinsic ocular muscle	muscle precursor cell	Absent		5A
TS26: masseter	muscle precursor cell	Absent		5A
TS26: tongue extrinsic muscle	muscle precursor cell	Absent		5A , 5A Ex
TS26: tongue intrinsic muscle	muscle precursor cell	Absent		5A In , 5A

Structure	Cell Type	Level	Pattern	Image	Note
TS26: tongue intrinsic muscle	muscle precursor cell	Trace	Single cells	5B In , 5B	Expressed in only few cells.
TS26: tongue extrinsic muscle	muscle precursor cell	Present		5B Ex , 5B	Positive cells were abundant.
TS26: extrinsic ocular muscle	muscle precursor cell	Present		5B	The rescue of the progenitor pool was extensive but not complete.
TS26: masseter	muscle precursor cell	Present		5B	Similar as in the MyoD-/-.

Structure	Cell Type	Level	Pattern	Image	Note
TS26: tongue extrinsic muscle	muscle precursor cell	Present		5C , 5C Ex
TS26: tongue intrinsic muscle	muscle precursor cell	Present		5C In , 5C
TS26: extrinsic ocular muscle	muscle precursor cell	Present		5C
TS26: masseter	muscle precursor cell	Present		5C

Structure	Cell Type	Level	Pattern	Image	Note
TS26: masseter	muscle precursor cell	Present		5D

Structure	Level	Pattern	Image	Note
TS26: masseter	Absent		5E

Structure	Cell Type	Level	Pattern	Image	Note
TS26: masseter	muscle precursor cell	Present		5F	Number of positive cells was higher than controls and similar as in MyoD-/- (summarized in 5H).

Structure	Cell Type	Level	Pattern	Image	Note
TS26: masseter	muscle precursor cell	Present		5G	Number of positive cells was higher than controls (summarized in 5H).

Structure	Cell Type	Level	Pattern	Image	Note
TS26: tongue extrinsic muscle	muscle precursor cell	Present		5D'

Structure	Cell Type	Level	Pattern	Image	Note
TS26: tongue extrinsic muscle	muscle precursor cell	Absent		5E'

Structure	Cell Type	Level	Pattern	Image	Note
TS26: tongue extrinsic muscle	muscle precursor cell	Present		5F'	Number of positive cells was higher than controls and similar as in MyoD-/- (summarized in 5H').

Structure	Level	Pattern	Image	Note
TS26: tongue extrinsic muscle	Present		5G'	Number of positive cells was higher than controls (summarized in 5H).

Structure	Cell Type	Level	Pattern	Image	Note
TS26: extrinsic ocular muscle	muscle precursor cell	Present		5D"

Structure	Level	Pattern	Image	Note
TS26: extrinsic ocular muscle	Absent		5E"

Structure	Cell Type	Level	Pattern	Image	Note
TS26: extrinsic ocular muscle	muscle precursor cell	Present		5F"	The rescue of the progenitor pool was extensive but not complete (summarized in 5H").

Structure	Cell Type	Level	Pattern	Image	Note
TS26: extrinsic ocular muscle	muscle precursor cell	Present		5G"	Number of positive cells was higher than controls (summarized in 5H").